CHeckstyle and JUnit for base package in ONAP-REST
[policy/engine.git] / ONAP-REST / src / main / java / org / onap / policy / rest / util / MSModelUtils.java
index 1a62ccc..29fb635 100644 (file)
@@ -2,14 +2,16 @@
  * ============LICENSE_START=======================================================
  * ONAP-REST
  * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
+ * Modified Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ * Modifications Copyright (C) 2019 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,6 +22,8 @@
 
 package org.onap.policy.rest.util;
 
+import com.att.research.xacml.util.XACMLProperties;
+import com.google.gson.Gson;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
@@ -34,9 +38,8 @@ import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
 import java.util.Map.Entry;
-
+import java.util.Set;
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -61,1320 +64,1422 @@ import org.eclipse.emf.ecore.resource.ResourceSet;
 import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
 import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
 import org.json.JSONObject;
-import org.onap.policy.rest.XACMLRestProperties;
+import org.onap.policy.rest.XacmlRestProperties;
+import org.onap.policy.rest.dao.CommonClassDao;
+import org.onap.policy.rest.jpa.DictionaryData;
 import org.yaml.snakeyaml.Yaml;
 
-import com.att.research.xacml.util.XACMLProperties;
-import com.google.gson.Gson;
-
 
 public class MSModelUtils {
 
-       private static final Log logger = LogFactory.getLog(MSModelUtils.class);
-
-       private HashMap<String,MSAttributeObject > classMap = new HashMap<>();
-       private HashMap<String, String> enumMap = new HashMap<>();
-       private HashMap<String, String> matchingClass = new HashMap<>();
-       private String configuration = "configuration";
-       private String dictionary = "dictionary";
-       private String onap = "";
-       private String policy = "";
-       private String eProxyURI = "eProxyURI:";
-       private List<String> orderedElements = new ArrayList<>();
-       private String dataOrderInfo = null;
-       private Set<String> uniqueDataKeys= new HashSet<>();
-       private Set<String> uniqueKeys= new HashSet<>();
-       private String listConstraints = null;
-       private String referenceAttributes;
-       private LinkedHashMap<String, Object> retmap = new LinkedHashMap<>();
-       private Map<String, String>  matchableValues;
-       public static final String PROPERTIES=".properties.";
-       public static final String DATATYPE  = "data_types.policy.data.";
-       public static final String TYPE=".type";
-       public static final String REQUIRED=".required";
-       public static final String MATCHABLE=".matchable";
-       public static final String STRING="string";
-       public static final String INTEGER="integer";
-       public static final String LIST="list";
-       public static final String MAP="map";
-       public static final String DEFAULT=".default";
-       public static final String MANYFALSE=":MANY-false";
-       public static final String MANYTRUE=":MANY-true";
-       public static final String DEFAULTVALUE=":defaultValue-";
-       public static final String REQUIREDVALUE=":required-";
-       public static final String MATCHABLEKEY="matchable";
-       public static final String REQUIREDFALSE=":required-false";
-       public static final String REQUIREDTRUE=":required-true";
-       public static final String MATCHINGTRUE="matching-true";
-
-       private StringBuilder dataListBuffer=new StringBuilder();
-       private List<String> dataConstraints= new ArrayList <>();
-       private String attributeString = null;
-       
-       public MSModelUtils(){
-       }
-       
-       public MSModelUtils(String onap, String policy){
-               this.onap = onap;
-               this.policy = policy;
-       }
-
-       private enum ANNOTATION_TYPE{
-               MATCHING, VALIDATION, DICTIONARY
-       };
-
-       public enum MODEL_TYPE {
-               XMI
-       };
-
-
-       public Map<String, MSAttributeObject> processEpackage(String file, MODEL_TYPE model){
-               if (model == MODEL_TYPE.XMI ){
-                       processXMIEpackage(file);
-               }
-               return classMap;
-
-       } 
-
-       private void processXMIEpackage(String xmiFile){
-               EPackage root = getEpackage(xmiFile);
-               TreeIterator<EObject> treeItr = root.eAllContents();
-               String className;
-               String returnValue;
-
-               //    Pulling out dependency from file
-               while (treeItr.hasNext()) {         
-                       EObject obj = treeItr.next();
-                       if (obj instanceof EClassifier) {
-                               EClassifier eClassifier = (EClassifier) obj;
-                               className = eClassifier.getName();
-
-                               if (obj instanceof EEnum) {
-                                       enumMap.putAll(getEEnum(obj));
-                               }else if (obj instanceof EClass) {
-                                       String temp = getDependencyList(eClassifier).toString();
-                                       returnValue = StringUtils.replaceEach(temp, new String[]{"[", "]"}, new String[]{"", ""});
-                                       getAttributes(className, returnValue, root);
-                               }                                       
-                       }
-               }
-
-               if (!enumMap.isEmpty()){
-                       addEnumClassMap();
-               }
-               if (!matchingClass.isEmpty()){
-                       CheckForMatchingClass();
-               }
-       }
-
-       private void CheckForMatchingClass() {
-               HashMap<String, String> tempAttribute = new HashMap<>();
-
-               for (Entry<String, String> set : matchingClass.entrySet()){
-                       String key = set.getKey();
-                       if (classMap.containsKey(key)){
-                               Map<String, String> listAttributes = classMap.get(key).getAttribute();
-                               Map<String, String> listRef = classMap.get(key).getRefAttribute();
-                               for (  Entry<String, String> eSet : listAttributes.entrySet()){
-                                       String key2 = eSet.getKey();
-                                       tempAttribute.put(key2, MATCHINGTRUE);
-                               }
-                               for (  Entry<String, String> eSet : listRef.entrySet()){
-                                       String key3 = eSet.getKey();
-                                       tempAttribute.put(key3, MATCHINGTRUE);
-                               }
-
-                       }
-                       UpdateMatching(tempAttribute, key);
-               }
-
-       }
-
-
-
-       private void UpdateMatching(HashMap<String, String> tempAttribute, String key) {
-               Map<String, MSAttributeObject> newClass = classMap;
-
-               for (Entry<String, MSAttributeObject> updateClass :  newClass.entrySet()){
-                       Map<String, String> valueMap = updateClass.getValue().getMatchingSet();
-                       String keymap = updateClass.getKey();
-                       if (valueMap.containsKey(key)){
-                               Map<String, String> modifyMap = classMap.get(keymap).getMatchingSet();
-                               modifyMap.remove(key);
-                               modifyMap.putAll(tempAttribute);
-                               classMap.get(keymap).setMatchingSet(modifyMap);
-                       }
-
-               }
-       }
-
-       private void addEnumClassMap() {
-               for (Entry<String, MSAttributeObject> value :classMap.entrySet()){
-                       value.getValue().setEnumType(enumMap);
-               }
-       }
-
-       private EPackage getEpackage(String xmiFile) {
-               ResourceSet resSet = new ResourceSetImpl();
-               Resource.Factory.Registry reg = Resource.Factory.Registry.INSTANCE;
-               Map<String, Object> m = reg.getExtensionToFactoryMap();
-               m.put("xmi", new XMIResourceFactoryImpl());
-               Resource resource = resSet.getResource(URI.createFileURI(xmiFile), true);
-               try {
-                       resource.load(Collections.emptyMap());
-               } catch (IOException e) {
-                       logger.error("Error loading Encore Resource for new Model" + e);
-               }
-
-               return (EPackage) resource.getContents().get(0);
-       }
-
-       private HashMap<String, String> getEEnum(EObject obj) {
-               List<String> valueList = new ArrayList<>();
-               HashMap<String, String> returnMap = new HashMap<>();
-               EEnum eenum = (EEnum)obj;
-
-               String name = eenum.getName();
-               for (EEnumLiteral eEnumLiteral : eenum.getELiterals())
-               {
-                       Enumerator instance = eEnumLiteral.getInstance();
-                       String value = instance.getLiteral();
-                       valueList.add(value);
-               }
-               returnMap.put(name, valueList.toString());
-               return returnMap;
-       }
-
-       public void getAttributes(String className, String dependency, EPackage root) {
-               List<String> dpendList = new ArrayList<>();
-               if (dependency!=null){
-                       dpendList = new ArrayList<>(Arrays.asList(dependency.split(",")));
-               }
-               MSAttributeObject msAttributeObject = new MSAttributeObject();
-               msAttributeObject.setClassName(className);
-               String extendClass = getSubTypes(root, className);
-               Map<String, String> returnRefList = getRefAttributeList(root, className, extendClass);
-               Map<String, String> returnAttributeList = getAttributeList(root, className, extendClass);
-               Map<String, Object> returnSubList = getSubAttributeList(root, className, extendClass);
-               HashMap<String, String> returnAnnotation = getAnnotation(root, className, extendClass);
-               msAttributeObject.setAttribute(returnAttributeList);
-               msAttributeObject.setRefAttribute(returnRefList);
-               msAttributeObject.setSubClass(returnSubList);
-               msAttributeObject.setDependency(dpendList.toString());
-               msAttributeObject.addMatchingSet(returnAnnotation);
-               msAttributeObject.setPolicyTempalate(isPolicyTemplate(root, className));
-
-               this.classMap.put(className, msAttributeObject);        
-       }
-
-       private HashMap<String, String> getAnnotation(EPackage root, String className, String extendClass) {
-               TreeIterator<EObject> treeItr = root.eAllContents();
-               boolean requiredAttribute = false; 
-               boolean requiredMatchAttribute = false;
-               HashMap<String, String> annotationSet = new HashMap<>();
-               String  matching;
-               String range;
-               String annotationDict;
-
-               //    Pulling out dependency from file
-               while (treeItr.hasNext()) {         
-                       EObject obj = treeItr.next();
-                       if (obj instanceof EClassifier) {
-                               requiredAttribute = isRequiredAttribute(obj,  className );
-                               requiredMatchAttribute = isRequiredAttribute(obj,  extendClass );
-                       }
-
-                       if (requiredAttribute){
-                               if (obj instanceof EStructuralFeature) {
-                                       EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
-                                       if (!eStrucClassifier.getEAnnotations().isEmpty()) {
-                                               matching  = annotationValue(eStrucClassifier, ANNOTATION_TYPE.MATCHING, policy);
-                                               if (matching!=null){
-                                                       annotationSet.put(eStrucClassifier.getName(), matching);
-                                               }
-                                               range  = annotationValue(eStrucClassifier, ANNOTATION_TYPE.VALIDATION, policy);
-                                               if (range!=null){
-                                                       annotationSet.put(eStrucClassifier.getName(), range);
-                                               }
-                                               annotationDict = annotationValue(eStrucClassifier, ANNOTATION_TYPE.DICTIONARY, policy);
-                                               if (annotationDict!=null){
-                                                       annotationSet.put(eStrucClassifier.getName(), annotationDict);
-                                               }
-                                       }
-                               }
-                       } else if (requiredMatchAttribute && (obj instanceof EStructuralFeature)) {
-                                       EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
-                                       if (!eStrucClassifier.getEAnnotations().isEmpty()) {
-                                               matching  = annotationValue(eStrucClassifier, ANNOTATION_TYPE.MATCHING, policy);
-                                               if (matching!=null){
-                                                       if (obj instanceof EReference){
-                                                               EClass refType = ((EReference) obj).getEReferenceType();
-                                                               annotationSet.put(refType.getName(), matching);
-                                                               matchingClass.put(refType.getName(), matching);
-                                                       }else{
-                                                               annotationSet.put(eStrucClassifier.getName(), matching);
-                                                       }
-                                               }
-                                       }
-                       }
-               }
-               return annotationSet;
-       }
-
-       private Map<String, Object> getSubAttributeList(EPackage root, String className , String superClass) {
-               TreeIterator<EObject> treeItr = root.eAllContents();
-               boolean requiredAttribute = false; 
-               Map<String, Object> subAttribute = new HashMap<>();
-               int rollingCount = 0;
-               int processClass = 0;
-               boolean annotation;
-
-               //    Pulling out dependency from file
-               while (treeItr.hasNext() && rollingCount < 2) {  
-
-                       EObject obj = treeItr.next();
-                       if (obj instanceof EClassifier) {
-                               if (isRequiredAttribute(obj,  className ) || isRequiredAttribute(obj,  superClass )){
-                                       requiredAttribute = true;
-                               }else {
-                                       requiredAttribute = false;
-                               }
-                               if (requiredAttribute){
-                                       processClass++;
-                               }
-                               rollingCount = rollingCount+processClass;
-                       }
-
-                       if (requiredAttribute && (obj instanceof EStructuralFeature)) {
-                               EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
-                               if (!eStrucClassifier.getEAnnotations().isEmpty()) {
-                                       annotation = annotationTest(eStrucClassifier, configuration, onap);
-                                       if (annotation &&  obj instanceof EReference) {
-                                               EClass refType = ((EReference) obj).getEReferenceType();
-                                               if(!refType.toString().contains(eProxyURI)){
-                                                       String required = REQUIREDFALSE;
-                                                       if(eStrucClassifier.getLowerBound() == 1){
-                                                               required = REQUIREDTRUE;
-                                                       }
-                                                       subAttribute.put(eStrucClassifier.getName(), refType.getName() + required);                                             
-                                               }
-                                       }       
-                               }
-                       }
-               }
-               return subAttribute;
-       }
-
-       public String checkDefultValue(String defultValue) {
-               if (defultValue!=null){
-                       return DEFAULTVALUE+ defultValue;
-               }
-               return ":defaultValue-NA";
-
-       }
-
-       public String checkRequiredPattern(int upper, int lower) {      
-
-               String pattern = XACMLProperties.getProperty(XACMLRestProperties.PROP_XCORE_REQUIRED_PATTERN);
-
-               if (pattern!=null){
-                       if (upper == Integer.parseInt(pattern.split(",")[1]) && lower==Integer.parseInt(pattern.split(",")[0])){
-                               return REQUIREDTRUE;
-                       }
-               }
-
-               return REQUIREDFALSE;
-       }
-
-       public JSONObject buildJavaObject(Map<String, String> map){
-
-               return  new JSONObject(map);
-       }
-
-       public Map<String, String> getRefAttributeList(EPackage root, String className, String superClass){
-
-               TreeIterator<EObject> treeItr = root.eAllContents();
-               boolean requiredAttribute = false; 
-               HashMap<String, String> refAttribute = new HashMap<>();
-               int rollingCount = 0;
-               int processClass = 0;
-               boolean annotation;
-               //    Pulling out dependency from file
-               while (treeItr.hasNext()) {         
-                       EObject obj = treeItr.next();
-                       if (obj instanceof EClassifier) {
-                               if (isRequiredAttribute(obj,  className ) || isRequiredAttribute(obj,  superClass )){
-                                       requiredAttribute = true;
-                               }else {
-                                       requiredAttribute = false;
-                               }       
-                               if (requiredAttribute){
-                                       processClass++;
-                               }
-                               rollingCount = rollingCount+processClass;
-                       }
-
-                       if (requiredAttribute && (obj instanceof EStructuralFeature)) {
-                                       EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
-                                       if (!eStrucClassifier.getEAnnotations().isEmpty()) {
-                                               annotation = annotationTest(eStrucClassifier, configuration, onap);
-                                               if ( annotation &&  obj instanceof EReference) {
-                                                       EClass refType = ((EReference) obj).getEReferenceType();
-                                                       if(refType.toString().contains(eProxyURI)){
-                                                               String one = refType.toString().split(eProxyURI)[1];
-                                                               String refValue = StringUtils.replaceEach(one.split("#")[1], new String[]{"//", ")"}, new String[]{"", ""});                                                    
-                                                               refAttribute.put(eStrucClassifier.getName(), refValue);                                                 
-                                                       } else {
-                                                               String array = arrayCheck(((EStructuralFeature) obj).getUpperBound());
-                                                               String required = REQUIREDFALSE;
-                                                               if(((EStructuralFeature) obj).getLowerBound() == 1){
-                                                                       required = REQUIREDTRUE;
-                                                               }
-                                                               refAttribute.put(eStrucClassifier.getName(), refType.getName() + array + required);
-                                                       }
-                                               } else if (annotation &&  obj instanceof EAttributeImpl){
-                                                       EClassifier refType = ((EAttributeImpl) obj).getEType();
-                                                       if (refType instanceof EEnumImpl){
-                                                               String array = arrayCheck(((EStructuralFeature) obj).getUpperBound());
-                                                               String required = REQUIREDFALSE;
-                                                               if(((EStructuralFeature) obj).getLowerBound() == 1){
-                                                                       required = REQUIREDTRUE;
-                                                               }
-                                                               refAttribute.put(eStrucClassifier.getName(), refType.getName() + array + required);                                                     
-                                                       }
-                                               }       
-                                       }
-                       }
-               }
-               
-               return refAttribute;
-       }
-
-       private boolean annotationTest(EStructuralFeature eStrucClassifier, String annotation, String type) {
-               String annotationType;
-               EAnnotation eAnnotation;
-               String onapType;
-               String onapValue;
-
-               EList<EAnnotation> value = eStrucClassifier.getEAnnotations();
-
-               for (int i = 0; i < value.size(); i++){
-                       annotationType = value.get(i).getSource();
-                       eAnnotation = eStrucClassifier.getEAnnotations().get(i);
-                       onapType = eAnnotation.getDetails().get(0).getValue();
-                       onapValue = eAnnotation.getDetails().get(0).getKey();
-                       
-                       if (annotationType.contains(type) && onapType.contains(annotation)){
-                               return true;
-                       }
-                       
-                       if (annotationType.contains(type) && onapValue.contains(annotation)){
-                               return true;
-                       }
-               }
-
-               return false;
-       }
-
-
-       private String annotationValue(EStructuralFeature eStrucClassifier, ANNOTATION_TYPE annotation, String type) {
-               String annotationType;
-               EAnnotation eAnnotation;
-               String onapType;
-               String onapValue = null;
-
-               EList<EAnnotation> value = eStrucClassifier.getEAnnotations();
-
-               for (int i = 0; i < value.size(); i++){
-                       annotationType = value.get(i).getSource();
-                       eAnnotation = eStrucClassifier.getEAnnotations().get(i);
-                       onapType = eAnnotation.getDetails().get(0).getKey();
-                       if (annotationType.contains(type) && onapType.compareToIgnoreCase(annotation.toString())==0){
-                               onapValue = eAnnotation.getDetails().get(0).getValue();
-                               if (annotation == ANNOTATION_TYPE.VALIDATION){
-                                       return onapValue;
-                               } else {
-                                       return onapType + "-" + onapValue;
-                               }
-                       }
-               }
-
-               return onapValue;
-       }
-       public boolean isRequiredAttribute(EObject obj, String className){
-               EClassifier eClassifier = (EClassifier) obj;
-               String workingClass = eClassifier.getName().trim();
-               if (workingClass.equalsIgnoreCase(className)){
-                       return  true;
-               }
-
-               return false;
-       } 
-
-       private boolean isPolicyTemplate(EPackage root, String className){
-
-               for (EClassifier classifier : root.getEClassifiers()){ 
-                       if (classifier instanceof EClass) { 
-                               EClass eClass = (EClass)classifier; 
-                               if (eClass.getName().contentEquals(className)){
-                                       EList<EAnnotation> value = eClass.getEAnnotations();
-                                       for (EAnnotation workingValue : value){
-                                               EMap<String, String> keyMap = workingValue.getDetails();        
-                                               if (keyMap.containsKey("policyTemplate")){
-                                                       return true;
-                                               }
-                                       }       
-                               }
-                       }
-               }
-               return false;
-       }
-       private String getSubTypes(EPackage root, String className) {
-               String returnSubTypes = null;
-               for (EClassifier classifier : root.getEClassifiers()){ 
-                       if (classifier instanceof EClass) { 
-                               EClass eClass = (EClass)classifier; 
-
-                               for (EClass eSuperType : eClass.getEAllSuperTypes()) 
-                               { 
-                                       if (eClass.getName().contentEquals(className)){
-                                               returnSubTypes = eSuperType.getName();
-                                       }
-                               } 
-                       } 
-               } 
-               return returnSubTypes;
-       } 
-
-       public Map<String, String> getAttributeList(EPackage root, String className, String superClass){
-
-               TreeIterator<EObject> treeItr = root.eAllContents();
-               boolean requiredAttribute = false; 
-               HashMap<String, String> refAttribute = new HashMap<>();
-               boolean annotation;
-               boolean dictionaryTest;
-               String defaultValue;
-               String eType;
-
-               //    Pulling out dependency from file
-               while (treeItr.hasNext()) {         
-                       EObject obj = treeItr.next();
-                       if (obj instanceof EClassifier) {
-                               if (isRequiredAttribute(obj,  className ) || isRequiredAttribute(obj,  superClass )){
-                                       requiredAttribute = true;
-                               }else {
-                                       requiredAttribute = false;
-                               }
-
-                       }
-
-                       if (requiredAttribute && (obj instanceof EStructuralFeature)) {
-                                       EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
-                                       if (!eStrucClassifier.getEAnnotations().isEmpty()) {
-                                               annotation = annotationTest(eStrucClassifier, configuration, onap);
-                                               dictionaryTest = annotationTest(eStrucClassifier, dictionary, policy);
-                                               EClassifier refType = ((EStructuralFeature) obj).getEType();
-                                               if (annotation && !(obj instanceof EReference) && !(refType instanceof EEnumImpl)) {
-                                                       String name = eStrucClassifier.getName();
-                                                       if (dictionaryTest){
-                                                               eType = annotationValue(eStrucClassifier, ANNOTATION_TYPE.DICTIONARY, policy);
-                                                       }else {
-                                                               eType = eStrucClassifier.getEType().getInstanceClassName();
-                                                       }
-                                                       defaultValue = checkDefultValue(((EStructuralFeature) obj).getDefaultValueLiteral());
-
-                                                       String array = arrayCheck(((EStructuralFeature) obj).getUpperBound());
-                                                       String required = checkRequiredPattern(((EStructuralFeature) obj).getUpperBound(), ((EStructuralFeature) obj).getLowerBound());
-                                                       String attributeValue =  eType + defaultValue + required + array;
-                                                       refAttribute.put(name, attributeValue); 
-                                               }
-                                       }
-                       }
-               }
-               return refAttribute;
-
-       }
-
-       public String arrayCheck(int upperBound) {
-
-               if (upperBound == -1){
-                       return MANYTRUE;
-               }
-
-               return MANYFALSE;
-       }
-
-       public List<String> getDependencyList(EClassifier eClassifier){
-               List<String> returnValue = new ArrayList<>();;
-               EList<EClass> somelist = ((EClass) eClassifier).getEAllSuperTypes();
-               if (somelist.isEmpty()){
-                       return returnValue;
-               }
-               for(EClass depend: somelist){
-                       if (depend.toString().contains(eProxyURI)){
-                               String one = depend.toString().split(eProxyURI)[1];
-                               String value = StringUtils.replaceEach(one.split("#")[1], new String[]{"//", ")"}, new String[]{"", ""});
-                               returnValue.add(value);
-                       }
-               }
-
-               return returnValue;
-       }
-
-       public Map<String, String> buildSubList(Map<String, String> subClassAttributes, Map<String, MSAttributeObject> classMap, String className){
-               Map<String, String> missingValues = new HashMap<>();
-               Map<String, String> workingMap;
-               boolean enumType;
-
-               for ( Entry<String, String> map : classMap.get(className).getRefAttribute().entrySet()){
-                       String value = map.getValue().split(":")[0];
-                       if (value!=null){
-                               classMap.get(className).getEnumType();
-                               enumType = classMap.get(className).getEnumType().containsKey(value);
-                               if (!enumType){
-                                       workingMap =  classMap.get(value).getRefAttribute();
-                                       for ( Entry<String, String> subMab : workingMap.entrySet()){
-                                               String value2 = subMab.getValue().split(":")[0];
-                                               if (!subClassAttributes.containsValue(value2)){
-                                                       missingValues.put(subMab.getKey(), subMab.getValue());
-                                               }
-                                       }
-
-                               }
-                       }
-               }
-
-               return missingValues;
-       }
-
-       public Map<String, Map<String, String>> recursiveReference(Map<String, MSAttributeObject> classMap, String className){
-
-               Map<String, Map<String, String>> returnObject = new HashMap<>();
-               Map<String, String> returnClass = getRefclass(classMap, className);
-               returnObject.put(className, returnClass);
-               for (Entry<String, String> reAttribute :returnClass.entrySet()){
-                       if (reAttribute.getValue().split(":")[1].contains("MANY") && 
-                                       classMap.get(reAttribute.getValue().split(":")[0]) != null){
-                                       returnObject.putAll(recursiveReference(classMap, reAttribute.getValue().split(":")[0]));
-                       }
-
-               }
-
-               return returnObject;
-
-       }
-
-       public String createJson(Map<String, MSAttributeObject> classMap, String className) {
-               boolean enumType;
-               Map<String, Map<String, String>> myObject = new HashMap<>();
-               for ( Entry<String, String> map : classMap.get(className).getRefAttribute().entrySet()){
-                       String value = map.getValue().split(":")[0];
-                       if (value!=null){
-                               enumType = classMap.get(className).getEnumType().containsKey(value);
-                               if (!enumType && map.getValue().split(":")[1].contains("MANY")){
-                                               Map<String, Map<String, String>> testRecursive = recursiveReference(classMap, map.getValue().split(":")[0] );
-                                               myObject.putAll(testRecursive);
-                               }
-                       }
-               }
-
-               Gson gson = new Gson(); 
-               return gson.toJson(myObject);
-       }
-
-       public Map<String, String> getRefclass(Map<String, MSAttributeObject> classMap, String className){
-               HashMap<String, String> missingValues = new HashMap<>();
-
-               if (classMap.get(className).getAttribute()!=null || !classMap.get(className).getAttribute().isEmpty()){
-                       missingValues.putAll(classMap.get(className).getAttribute());
-               }
-
-               if (classMap.get(className).getRefAttribute()!=null || !classMap.get(className).getRefAttribute().isEmpty()){
-                       missingValues.putAll(classMap.get(className).getRefAttribute());
-               }
-
-               return missingValues;   
-       }
-
-       public String createSubAttributes(List<String> dependency, Map<String, MSAttributeObject> classMap, String modelName) {
-
-               HashMap <String,  Object>  workingMap = new HashMap<>();
-               MSAttributeObject tempObject;
-               if (dependency!=null){
-                       if (dependency.isEmpty()){
-                               return "{}";
-                       }       
-                       dependency.add(modelName);
-                       for (String element: dependency){
-                               tempObject = classMap.get(element);
-                               if (tempObject!=null){
-                                       workingMap.putAll(classMap.get(element).getSubClass());
-                               }
-                       }
-               }
-
-               return createJson(classMap, modelName);
-       }
-
-       public List<String> getFullDependencyList(List<String> dependency, Map<String,MSAttributeObject > classMap) {
-               ArrayList<String> returnList = new ArrayList<>();
-               ArrayList<String> workingList;
-               returnList.addAll(dependency);
-               for (String element : dependency ){
-                       if (classMap.containsKey(element)){
-                               MSAttributeObject value = classMap.get(element);
-                               String rawValue = StringUtils.replaceEach(value.getDependency(), new String[]{"[", "]"}, new String[]{"", ""});
-                               workingList = new ArrayList<>(Arrays.asList(rawValue.split(",")));
-                               for(String depend : workingList){
-                                       if (!returnList.contains(depend) && !depend.isEmpty()){
-                                               returnList.add(depend.trim());
-                                       }
-                               }
-                       }
-               }
-
-               return returnList;
-       }
-       
+    private static final Log logger = LogFactory.getLog(MSModelUtils.class);
+
+    private HashMap<String, MSAttributeObject> classMap = new HashMap<>();
+    private HashMap<String, String> enumMap = new HashMap<>();
+    private HashMap<String, String> matchingClass = new HashMap<>();
+    private String configuration = "configuration";
+    private String dictionary = "dictionary";
+    private String onap = "";
+    private String policy = "";
+    private String eProxyURI = "eProxyURI:";
+    private List<String> orderedElements = new ArrayList<>();
+    private String dataOrderInfo = "";
+    private Set<String> uniqueDataKeys = new HashSet<>();
+    private Set<String> uniqueKeys = new HashSet<>();
+    private String listConstraints = null;
+    private String referenceAttributes;
+    private LinkedHashMap<String, Object> retmap = new LinkedHashMap<>();
+    private Map<String, String> matchableValues;
+    private static final String PROPERTIES = ".properties.";
+    private static final String DATATYPE = "data_types.policy.data.";
+    private static final String TYPE = ".type";
+    private static final String REQUIRED = ".required";
+    private static final String DICTIONARYNAME = "dictionaryName";
+    private static final String DICTIONARY = "dictionary:";
+    private static final String MATCHABLE = ".matchable";
+    public static final String STRING = "string";
+    public static final String INTEGER = "integer";
+    private static final String BOOLEAN = "boolean";
+    public static final String LIST = "list";
+    public static final String MAP = "map";
+    private static final String DEFAULT = ".default";
+    private static final String MANYFALSE = ":MANY-false";
+    private static final String DESCRIPTION = ".description";
+
+    private static final String MANYTRUE = ":MANY-true";
+    private static final String DEFAULTVALUE = ":defaultValue-";
+    private static final String REQUIREDVALUE = ":required-";
+    private static final String MATCHABLEKEY = "matchable";
+    private static final String REQUIREDFALSE = ":required-false";
+    private static final String REQUIREDTRUE = ":required-true";
+    private static final String MATCHINGTRUE = "matching-true";
+    private static final String DESCRIPTION_KEY = "description";
+    private static final String DESCRIPTION_TOKEN = ":description-";
+    private static final String PROPERTIES_KEY = "properties";
+    private static final String DATA_TYPE = "data_types";
+    private static final String ERROR = "error";
+    private static final String NODE_TYPE = "node_types";
+    private static final String TOSCA_DEFINITION_VERSION = "tosca_definitions_version";
+    private static final String TOSCA_SIMPLE_YAML_1_0_0 = "tosca_simple_yaml_1_0_0";
+    private static final String JSON_MODEL = "JSON_MODEL";
+    private StringBuilder dataListBuffer = new StringBuilder();
+    private List<String> dataConstraints = new ArrayList<>();
+    private String attributeString = null;
+    private boolean isDuplicatedAttributes = false;
+    private String jsonRuleFormation = null;
+
+    private static CommonClassDao commonClassDao;
+
+    public MSModelUtils() {
+        // Default Constructor
+    }
+
+    public MSModelUtils(CommonClassDao commonClassDao) {
+        MSModelUtils.commonClassDao = commonClassDao;
+    }
+
+    public MSModelUtils(String onap, String policy) {
+        this.onap = onap;
+        this.policy = policy;
+    }
+
+    private enum ANNOTATION_TYPE {
+        MATCHING, VALIDATION, DICTIONARY
+    };
+
+    public enum MODEL_TYPE {
+        XMI
+    };
+
+    public enum SearchType {
+        TOSCA_DEFINITION_VERSION, TOSCA_SIMPLE_YAML_1_0_0, NODE_TYPE, DATA_TYPE, JSON_MODEL
+    }
+
+    public Map<String, MSAttributeObject> processEpackage(String file, MODEL_TYPE model) {
+        if (model == MODEL_TYPE.XMI) {
+            processXMIEpackage(file);
+        }
+        return classMap;
+
+    }
+
+    private void processXMIEpackage(String xmiFile) {
+        EPackage root = getEpackage(xmiFile);
+        TreeIterator<EObject> treeItr = root.eAllContents();
+        String className;
+        String returnValue;
+
+        // Pulling out dependency from file
+        while (treeItr.hasNext()) {
+            EObject obj = treeItr.next();
+            if (obj instanceof EClassifier) {
+                EClassifier eClassifier = (EClassifier) obj;
+                className = eClassifier.getName();
+
+                if (obj instanceof EEnum) {
+                    enumMap.putAll(getEEnum(obj));
+                } else if (obj instanceof EClass) {
+                    String temp = getDependencyList(eClassifier).toString();
+                    returnValue = StringUtils.replaceEach(temp, new String[] {"[", "]"}, new String[] {"", ""});
+                    getAttributes(className, returnValue, root);
+                }
+            }
+        }
+
+        if (!enumMap.isEmpty()) {
+            addEnumClassMap();
+        }
+        if (!matchingClass.isEmpty()) {
+            checkForMatchingClass();
+        }
+    }
+
+    private void checkForMatchingClass() {
+        HashMap<String, String> tempAttribute = new HashMap<>();
+
+        for (Entry<String, String> set : matchingClass.entrySet()) {
+            String key = set.getKey();
+            if (classMap.containsKey(key)) {
+                Map<String, String> listAttributes = classMap.get(key).getAttribute();
+                Map<String, String> listRef = classMap.get(key).getRefAttribute();
+                for (Entry<String, String> eSet : listAttributes.entrySet()) {
+                    String key2 = eSet.getKey();
+                    tempAttribute.put(key2, MATCHINGTRUE);
+                }
+                for (Entry<String, String> eSet : listRef.entrySet()) {
+                    String key3 = eSet.getKey();
+                    tempAttribute.put(key3, MATCHINGTRUE);
+                }
+
+            }
+            updateMatching(tempAttribute, key);
+        }
+
+    }
+
+
+
+    private void updateMatching(HashMap<String, String> tempAttribute, String key) {
+        Map<String, MSAttributeObject> newClass = classMap;
+
+        for (Entry<String, MSAttributeObject> updateClass : newClass.entrySet()) {
+            Map<String, String> valueMap = updateClass.getValue().getMatchingSet();
+            String keymap = updateClass.getKey();
+            if (valueMap.containsKey(key)) {
+                Map<String, String> modifyMap = classMap.get(keymap).getMatchingSet();
+                modifyMap.remove(key);
+                modifyMap.putAll(tempAttribute);
+                classMap.get(keymap).setMatchingSet(modifyMap);
+            }
+
+        }
+    }
+
+    private void addEnumClassMap() {
+        for (Entry<String, MSAttributeObject> value : classMap.entrySet()) {
+            value.getValue().setEnumType(enumMap);
+        }
+    }
+
+    private EPackage getEpackage(String xmiFile) {
+        ResourceSet resSet = new ResourceSetImpl();
+        Resource.Factory.Registry reg = Resource.Factory.Registry.INSTANCE;
+        Map<String, Object> m = reg.getExtensionToFactoryMap();
+        m.put("xmi", new XMIResourceFactoryImpl());
+        Resource resource = resSet.getResource(URI.createFileURI(xmiFile), true);
+        try {
+            resource.load(Collections.emptyMap());
+        } catch (IOException e) {
+            logger.error("Error loading Encore Resource for new Model" + e);
+        }
+
+        return (EPackage) resource.getContents().get(0);
+    }
+
+    private HashMap<String, String> getEEnum(EObject obj) {
+        List<String> valueList = new ArrayList<>();
+        HashMap<String, String> returnMap = new HashMap<>();
+        EEnum eenum = (EEnum) obj;
+
+        String name = eenum.getName();
+        for (EEnumLiteral eEnumLiteral : eenum.getELiterals()) {
+            Enumerator instance = eEnumLiteral.getInstance();
+            String value = instance.getLiteral();
+            valueList.add(value);
+        }
+        returnMap.put(name, valueList.toString());
+        return returnMap;
+    }
+
+    public void getAttributes(String className, String dependency, EPackage root) {
+        List<String> dpendList = new ArrayList<>();
+        if (dependency != null) {
+            dpendList = new ArrayList<>(Arrays.asList(dependency.split(",")));
+        }
+        MSAttributeObject msAttributeObject = new MSAttributeObject();
+        msAttributeObject.setClassName(className);
+        String extendClass = getSubTypes(root, className);
+        Map<String, String> returnRefList = getRefAttributeList(root, className, extendClass);
+        Map<String, String> returnAttributeList = getAttributeList(root, className, extendClass);
+        Map<String, Object> returnSubList = getSubAttributeList(root, className, extendClass);
+        HashMap<String, String> returnAnnotation = getAnnotation(root, className, extendClass);
+        msAttributeObject.setAttribute(returnAttributeList);
+        msAttributeObject.setRefAttribute(returnRefList);
+        msAttributeObject.setSubClass(returnSubList);
+        msAttributeObject.setDependency(dpendList.toString());
+        msAttributeObject.addMatchingSet(returnAnnotation);
+        msAttributeObject.setPolicyTempalate(isPolicyTemplate(root, className));
+
+        this.classMap.put(className, msAttributeObject);
+    }
+
+    private HashMap<String, String> getAnnotation(EPackage root, String className, String extendClass) {
+        TreeIterator<EObject> treeItr = root.eAllContents();
+        boolean requiredAttribute = false;
+        boolean requiredMatchAttribute = false;
+        HashMap<String, String> annotationSet = new HashMap<>();
+
+        // Pulling out dependency from file
+        while (treeItr.hasNext()) {
+            EObject obj = treeItr.next();
+            if (obj instanceof EClassifier) {
+                requiredAttribute = isRequiredAttribute(obj, className);
+                requiredMatchAttribute = isRequiredAttribute(obj, extendClass);
+            }
+
+            if (requiredAttribute) {
+                if (obj instanceof EStructuralFeature) {
+                    checkAnnotation(annotationSet, (EStructuralFeature) obj);
+                }
+            } else if (requiredMatchAttribute && (obj instanceof EStructuralFeature)) {
+                findMatchingAnnotation(annotationSet, obj);
+            }
+        }
+        return annotationSet;
+    }
+
+    private void findMatchingAnnotation(HashMap<String, String> annotationSet, EObject obj) {
+        EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
+        if (eStrucClassifier.getEAnnotations().isEmpty()) {
+            return;
+        }
+        String matching = annotationValue(eStrucClassifier, ANNOTATION_TYPE.MATCHING, policy);
+        if (matching != null) {
+            if (obj instanceof EReference) {
+                EClass refType = ((EReference) obj).getEReferenceType();
+                annotationSet.put(refType.getName(), matching);
+                matchingClass.put(refType.getName(), matching);
+            } else {
+                annotationSet.put(eStrucClassifier.getName(), matching);
+            }
+        }
+
+    }
+
+    private void checkAnnotation(HashMap<String, String> annotationSet, EStructuralFeature obj) {
+        EStructuralFeature eStrucClassifier = obj;
+        if (eStrucClassifier.getEAnnotations().isEmpty()) {
+            return;
+        }
+        String matching = annotationValue(eStrucClassifier, ANNOTATION_TYPE.MATCHING, policy);
+        if (matching != null) {
+            annotationSet.put(eStrucClassifier.getName(), matching);
+        }
+        String range = annotationValue(eStrucClassifier, ANNOTATION_TYPE.VALIDATION, policy);
+        if (range != null) {
+            annotationSet.put(eStrucClassifier.getName(), range);
+        }
+        String annotationDict = annotationValue(eStrucClassifier, ANNOTATION_TYPE.DICTIONARY, policy);
+        if (annotationDict != null) {
+            annotationSet.put(eStrucClassifier.getName(), annotationDict);
+        }
+    }
+
+    private Map<String, Object> getSubAttributeList(EPackage root, String className, String superClass) {
+        TreeIterator<EObject> treeItr = root.eAllContents();
+        boolean requiredAttribute = false;
+        Map<String, Object> subAttribute = new HashMap<>();
+        int rollingCount = 0;
+        int processClass = 0;
+
+        // Pulling out dependency from file
+        while (treeItr.hasNext() && rollingCount < 2) {
+
+            EObject obj = treeItr.next();
+            if (obj instanceof EClassifier) {
+                requiredAttribute = isRequiredAttribute(obj, className) || isRequiredAttribute(obj, superClass);
+                if (requiredAttribute) {
+                    processClass++;
+                }
+                rollingCount = rollingCount + processClass;
+            }
+
+            if (requiredAttribute && (obj instanceof EStructuralFeature)) {
+                EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
+                if (!eStrucClassifier.getEAnnotations().isEmpty()) {
+                    updateSubAttributes(subAttribute, obj, eStrucClassifier);
+                }
+            }
+        }
+        return subAttribute;
+    }
+
+    private void updateSubAttributes(Map<String, Object> subAttribute, EObject obj,
+            EStructuralFeature eStrucClassifier) {
+        if (!(obj instanceof EReference)) {
+            return;
+        }
+        if (annotationTest(eStrucClassifier, configuration, onap)) {
+            EClass refType = ((EReference) obj).getEReferenceType();
+            if (!refType.toString().contains(eProxyURI)) {
+                String required = REQUIREDFALSE;
+                if (eStrucClassifier.getLowerBound() == 1) {
+                    required = REQUIREDTRUE;
+                }
+                subAttribute.put(eStrucClassifier.getName(), refType.getName() + required);
+            }
+        }
+    }
+
+    public String checkDefultValue(String defultValue) {
+        if (defultValue != null) {
+            return DEFAULTVALUE + defultValue;
+        }
+        return ":defaultValue-NA";
+
+    }
+
+    public String checkRequiredPattern(int upper, int lower) {
+        String pattern = XACMLProperties.getProperty(XacmlRestProperties.PROP_XCORE_REQUIRED_PATTERN);
+        if (pattern != null && upper == Integer.parseInt(pattern.split(",")[1])
+                && lower == Integer.parseInt(pattern.split(",")[0])) {
+            return REQUIREDTRUE;
+        }
+        return REQUIREDFALSE;
+    }
+
+    public JSONObject buildJavaObject(Map<String, String> map) {
+        return new JSONObject(map);
+    }
+
+    public Map<String, String> getRefAttributeList(EPackage root, String className, String superClass) {
+
+        TreeIterator<EObject> treeItr = root.eAllContents();
+        boolean requiredAttribute = false;
+        HashMap<String, String> refAttribute = new HashMap<>();
+        int rollingCount = 0;
+        int processClass = 0;
+        boolean annotation;
+        // Pulling out dependency from file
+        while (treeItr.hasNext()) {
+            EObject obj = treeItr.next();
+            if (obj instanceof EClassifier) {
+                requiredAttribute = isRequiredAttribute(obj, className) || isRequiredAttribute(obj, superClass);
+                if (requiredAttribute) {
+                    processClass++;
+                }
+                rollingCount = rollingCount + processClass;
+            }
+
+            if (requiredAttribute && (obj instanceof EStructuralFeature)) {
+                EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
+                if (!eStrucClassifier.getEAnnotations().isEmpty()) {
+                    annotation = annotationTest(eStrucClassifier, configuration, onap);
+                    if (annotation && obj instanceof EReference) {
+                        updRefAttributes(refAttribute, (EStructuralFeature) obj, eStrucClassifier);
+                    } else if (annotation && obj instanceof EAttributeImpl) {
+                        updEnumTypeRefAttrib(refAttribute, (EStructuralFeature) obj, eStrucClassifier);
+                    }
+                }
+            }
+        }
+
+        return refAttribute;
+    }
+
+    private void updEnumTypeRefAttrib(HashMap<String, String> refAttribute, EStructuralFeature obj,
+            EStructuralFeature eStrucClassifier) {
+        EClassifier refType = ((EAttributeImpl) obj).getEType();
+        if (!(refType instanceof EEnumImpl)) {
+            return;
+        }
+
+        String array = arrayCheck(obj.getUpperBound());
+        String required = REQUIREDFALSE;
+        if (obj.getLowerBound() == 1) {
+            required = REQUIREDTRUE;
+        }
+        refAttribute.put(eStrucClassifier.getName(), refType.getName() + array + required);
+    }
+
+    private void updRefAttributes(HashMap<String, String> refAttribute, EStructuralFeature obj,
+            EStructuralFeature eStrucClassifier) {
+        EClass refType = ((EReference) obj).getEReferenceType();
+        if (refType.toString().contains(eProxyURI)) {
+            String one = refType.toString().split(eProxyURI)[1];
+            String refValue =
+                    StringUtils.replaceEach(one.split("#")[1], new String[] {"//", ")"}, new String[] {"", ""});
+            refAttribute.put(eStrucClassifier.getName(), refValue);
+        } else {
+            String required = REQUIREDFALSE;
+            if (obj.getLowerBound() == 1) {
+                required = REQUIREDTRUE;
+            }
+            refAttribute.put(eStrucClassifier.getName(),
+                    refType.getName() + arrayCheck(obj.getUpperBound()) + required);
+        }
+    }
+
+    private boolean annotationTest(EStructuralFeature eStrucClassifier, String annotation, String type) {
+        String annotationType;
+        EAnnotation eAnnotation;
+        String onapType;
+        String onapValue;
+
+        EList<EAnnotation> value = eStrucClassifier.getEAnnotations();
+
+        for (int i = 0; i < value.size(); i++) {
+            annotationType = value.get(i).getSource();
+            eAnnotation = eStrucClassifier.getEAnnotations().get(i);
+            onapType = eAnnotation.getDetails().get(0).getValue();
+            onapValue = eAnnotation.getDetails().get(0).getKey();
+
+            if (annotationType.contains(type) && onapType.contains(annotation)) {
+                return true;
+            }
+
+            if (annotationType.contains(type) && onapValue.contains(annotation)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+
+    private String annotationValue(EStructuralFeature eStrucClassifier, ANNOTATION_TYPE annotation, String type) {
+        String annotationType;
+        EAnnotation eAnnotation;
+        String onapType;
+        String onapValue = null;
+
+        EList<EAnnotation> value = eStrucClassifier.getEAnnotations();
+
+        for (int i = 0; i < value.size(); i++) {
+            annotationType = value.get(i).getSource();
+            eAnnotation = eStrucClassifier.getEAnnotations().get(i);
+            onapType = eAnnotation.getDetails().get(0).getKey();
+            if (annotationType.contains(type) && onapType.compareToIgnoreCase(annotation.toString()) == 0) {
+                onapValue = eAnnotation.getDetails().get(0).getValue();
+                if (annotation == ANNOTATION_TYPE.VALIDATION) {
+                    return onapValue;
+                } else {
+                    return onapType + "-" + onapValue;
+                }
+            }
+        }
+
+        return onapValue;
+    }
+
+    public boolean isRequiredAttribute(EObject obj, String className) {
+        EClassifier eClassifier = (EClassifier) obj;
+        String workingClass = eClassifier.getName().trim();
+        if (workingClass.equalsIgnoreCase(className)) {
+            return true;
+        }
+
+        return false;
+    }
+
+    private boolean isPolicyTemplate(EPackage root, String className) {
+        boolean result = false;
+        for (EClassifier classifier : root.getEClassifiers()) {
+            if (classifier instanceof EClass) {
+                EClass eClass = (EClass) classifier;
+                if (eClass.getName().contentEquals(className)) {
+                    result = checkPolicyTemplate(eClass);
+                    break;
+                }
+            }
+        }
+        return result;
+    }
+
+    private boolean checkPolicyTemplate(EClass eClass) {
+        EList<EAnnotation> value = eClass.getEAnnotations();
+        for (EAnnotation workingValue : value) {
+            EMap<String, String> keyMap = workingValue.getDetails();
+            if (keyMap.containsKey("policyTemplate")) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private String getSubTypes(EPackage root, String className) {
+        String returnSubTypes = null;
+        for (EClassifier classifier : root.getEClassifiers()) {
+            if (classifier instanceof EClass) {
+                returnSubTypes = findSubTypes(className, returnSubTypes, (EClass) classifier);
+            }
+        }
+        return returnSubTypes;
+    }
+
+    private String findSubTypes(String className, String returnSubTypes, EClass classifier) {
+        EClass eClass = classifier;
+
+        for (EClass eSuperType : eClass.getEAllSuperTypes()) {
+            if (eClass.getName().contentEquals(className)) {
+                returnSubTypes = eSuperType.getName();
+            }
+        }
+        return returnSubTypes;
+    }
+
+    public Map<String, String> getAttributeList(EPackage root, String className, String superClass) {
+
+        TreeIterator<EObject> treeItr = root.eAllContents();
+        boolean requiredAttribute = false;
+        HashMap<String, String> refAttribute = new HashMap<>();
+
+        // Pulling out dependency from file
+        while (treeItr.hasNext()) {
+            EObject obj = treeItr.next();
+            if (obj instanceof EClassifier) {
+                requiredAttribute = isRequiredAttribute(obj, className) || isRequiredAttribute(obj, superClass);
+            }
+
+            if (requiredAttribute && (obj instanceof EStructuralFeature)) {
+                EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
+                if (!eStrucClassifier.getEAnnotations().isEmpty()) {
+                    checkStrucClassifier(refAttribute, obj, eStrucClassifier);
+                }
+            }
+        }
+        return refAttribute;
+
+    }
+
+    private void checkStrucClassifier(HashMap<String, String> refAttribute, EObject obj,
+            EStructuralFeature eStrucClassifier) {
+        EClassifier refType = ((EStructuralFeature) obj).getEType();
+        boolean annotation = annotationTest(eStrucClassifier, configuration, onap);
+        boolean dictionaryTest = annotationTest(eStrucClassifier, dictionary, policy);
+        if (annotation && !(obj instanceof EReference) && !(refType instanceof EEnumImpl)) {
+            updEReferenceAttrib(refAttribute, dictionaryTest, (EStructuralFeature) obj, eStrucClassifier);
+        }
+    }
+
+    private void updEReferenceAttrib(HashMap<String, String> refAttribute, boolean dictionaryTest,
+            EStructuralFeature obj, EStructuralFeature eStrucClassifier) {
+        String eType;
+        String name = eStrucClassifier.getName();
+        if (dictionaryTest) {
+            eType = annotationValue(eStrucClassifier, ANNOTATION_TYPE.DICTIONARY, policy);
+        } else {
+            eType = eStrucClassifier.getEType().getInstanceClassName();
+        }
+        String defaultValue = checkDefultValue(obj.getDefaultValueLiteral());
+        String array = arrayCheck(obj.getUpperBound());
+        String required = checkRequiredPattern(obj.getUpperBound(), obj.getLowerBound());
+        refAttribute.put(name, eType + defaultValue + required + array);
+    }
+
+    public String arrayCheck(int upperBound) {
+
+        if (upperBound == -1) {
+            return MANYTRUE;
+        }
+
+        return MANYFALSE;
+    }
+
+    public List<String> getDependencyList(EClassifier eClassifier) {
+        List<String> returnValue = new ArrayList<>();;
+        EList<EClass> somelist = ((EClass) eClassifier).getEAllSuperTypes();
+        if (somelist.isEmpty()) {
+            return returnValue;
+        }
+        for (EClass depend : somelist) {
+            if (depend.toString().contains(eProxyURI)) {
+                String one = depend.toString().split(eProxyURI)[1];
+                String value =
+                        StringUtils.replaceEach(one.split("#")[1], new String[] {"//", ")"}, new String[] {"", ""});
+                returnValue.add(value);
+            }
+        }
+
+        return returnValue;
+    }
+
+    public Map<String, String> buildSubList(Map<String, String> subClassAttributes,
+            Map<String, MSAttributeObject> classMap, String className) {
+        Map<String, String> missingValues = new HashMap<>();
+        Map<String, String> workingMap;
+        boolean enumType;
+
+        for (Entry<String, String> map : classMap.get(className).getRefAttribute().entrySet()) {
+            String value = map.getValue().split(":")[0];
+            if (value != null) {
+                classMap.get(className).getEnumType();
+                enumType = classMap.get(className).getEnumType().containsKey(value);
+                if (!enumType) {
+                    workingMap = classMap.get(value).getRefAttribute();
+                    for (Entry<String, String> subMab : workingMap.entrySet()) {
+                        String value2 = subMab.getValue().split(":")[0];
+                        if (!subClassAttributes.containsValue(value2)) {
+                            missingValues.put(subMab.getKey(), subMab.getValue());
+                        }
+                    }
+
+                }
+            }
+        }
+
+        return missingValues;
+    }
+
+    public Map<String, Map<String, String>> recursiveReference(Map<String, MSAttributeObject> classMap,
+            String className) {
+
+        Map<String, Map<String, String>> returnObject = new HashMap<>();
+        Map<String, String> returnClass = getRefclass(classMap, className);
+        returnObject.put(className, returnClass);
+        for (Entry<String, String> reAttribute : returnClass.entrySet()) {
+            if (reAttribute.getValue().split(":")[1].contains("MANY")
+                    && classMap.get(reAttribute.getValue().split(":")[0]) != null) {
+                returnObject.putAll(recursiveReference(classMap, reAttribute.getValue().split(":")[0]));
+            }
+
+        }
+
+        return returnObject;
+
+    }
+
+    public String createJson(Map<String, MSAttributeObject> classMap, String className) {
+        boolean enumType;
+        Map<String, Map<String, String>> myObject = new HashMap<>();
+        for (Entry<String, String> map : classMap.get(className).getRefAttribute().entrySet()) {
+            String value = map.getValue().split(":")[0];
+            if (value != null) {
+                enumType = classMap.get(className).getEnumType().containsKey(value);
+                if (!enumType && map.getValue().split(":")[1].contains("MANY")) {
+                    Map<String, Map<String, String>> testRecursive =
+                            recursiveReference(classMap, map.getValue().split(":")[0]);
+                    myObject.putAll(testRecursive);
+                }
+            }
+        }
+
+        Gson gson = new Gson();
+        return gson.toJson(myObject);
+    }
+
+    public Map<String, String> getRefclass(Map<String, MSAttributeObject> classMap, String className) {
+        HashMap<String, String> missingValues = new HashMap<>();
+
+        if (classMap.get(className).getAttribute() != null || !classMap.get(className).getAttribute().isEmpty()) {
+            missingValues.putAll(classMap.get(className).getAttribute());
+        }
+
+        if (classMap.get(className).getRefAttribute() != null || !classMap.get(className).getRefAttribute().isEmpty()) {
+            missingValues.putAll(classMap.get(className).getRefAttribute());
+        }
+
+        return missingValues;
+    }
+
+    public String createSubAttributes(List<String> dependency, Map<String, MSAttributeObject> classMap,
+            String modelName) {
+
+        HashMap<String, Object> workingMap = new HashMap<>();
+        MSAttributeObject tempObject;
+        if (dependency != null) {
+            if (dependency.isEmpty()) {
+                return "{}";
+            }
+            dependency.add(modelName);
+            for (String element : dependency) {
+                tempObject = classMap.get(element);
+                if (tempObject != null) {
+                    workingMap.putAll(classMap.get(element).getSubClass());
+                }
+            }
+        }
+
+        return createJson(classMap, modelName);
+    }
+
+    public List<String> getFullDependencyList(List<String> dependency, Map<String, MSAttributeObject> classMap) {
+        ArrayList<String> returnList = new ArrayList<>();
+        ArrayList<String> workingList;
+        returnList.addAll(dependency);
+        for (String element : dependency) {
+            if (classMap.containsKey(element)) {
+                MSAttributeObject value = classMap.get(element);
+                String rawValue =
+                        StringUtils.replaceEach(value.getDependency(), new String[] {"[", "]"}, new String[] {"", ""});
+                workingList = new ArrayList<>(Arrays.asList(rawValue.split(",")));
+                for (String depend : workingList) {
+                    updDependencyList(returnList, depend);
+                }
+            }
+        }
+
+        return returnList;
+    }
+
+    private void updDependencyList(ArrayList<String> returnList, String depend) {
+        if (!returnList.contains(depend) && !depend.isEmpty()) {
+            returnList.add(depend.trim());
+        }
+    }
+
     /*
      * For TOSCA Model
      */
-       public String parseTosca (String fileName){
-               LinkedHashMap<String,String> map= new LinkedHashMap<>();
-    
-       try {
-                       map=load(fileName);
-                       
-                       if(map != null){
-                               if(map.get("error") != null){
-                                       return map.get("error");
-                               }
-                       }
-                       
-                       parseDataAndPolicyNodes(map);
-                       
-                       LinkedHashMap<String,String> dataMapForJson=parseDataNodes(map);
-                       
-                       constructJsonForDataFields(dataMapForJson);     
-                       
-                       LinkedHashMap<String,LinkedHashMap<String,String>> mapKey= parsePolicyNodes(map);
-                       
-                       createAttributes(mapKey);
-               
-       } catch (IOException e) {
-               logger.error(e);
-       }catch(ParserException e){
-               logger.error(e);
-               return e.getMessage();
-       }
-          
-       return null;
-       } 
-       
-       @SuppressWarnings("unchecked")
-       public LinkedHashMap<String, String> load(String fileName) throws IOException,ParserException { 
-               File newConfiguration = new File(fileName);
-               StringBuilder orderInfo = new StringBuilder("[");
-               Yaml yaml = new Yaml();
-               LinkedHashMap<Object, Object> yamlMap = null;
-               try(InputStream is = new FileInputStream(newConfiguration)){
-                       yamlMap = (LinkedHashMap<Object, Object>) yaml.load(is); 
-               } catch (FileNotFoundException e) {
-                       logger.error(e);
-               }catch(Exception e){
-                       throw new ParserException("Invalid TOSCA Model format. Please make sure it is a valid YAML file");
-               }
-
-               StringBuilder sb = new StringBuilder(); 
-               LinkedHashMap<String, String> settings = new LinkedHashMap<>(); 
-               if (yamlMap == null) { 
-                       return settings; 
-               } 
-                               
-               String message = validations(yamlMap);  
-               
-               if(message != null){
-                       settings.put("error", message);
-                       return settings;                                        
-               }
-               
-               findNode(yamlMap);
-               
-               orderedElements.stream().forEach((string) -> {
-                       orderInfo.append(string);
-                       orderInfo.append(",");
-                       logger.info("Content: " + string);
-               });
-               
-               orderInfo.append("]");
-               
-               dataOrderInfo = orderInfo.toString();
-               dataOrderInfo = dataOrderInfo.replace(",]", "]");
-               
-               logger.info("dataOrderInfo :" + dataOrderInfo);
-               
-               List<String> path = new ArrayList <>(); 
-               serializeMap(settings, sb, path, yamlMap); 
-               return settings; 
-       }
-       
-       @SuppressWarnings("unchecked")
-       private String validations(@SuppressWarnings("rawtypes") LinkedHashMap yamlMap){
-               
-               boolean isNoteTypeFound = false;
-               boolean isDataTypeFound = false;
-               boolean isToscaVersionKeyFound = false;
-               boolean isToscaVersionValueFound = false;
-               @SuppressWarnings("rawtypes")
-               Map m1 = new HashMap();
-               short order =0;
-               if(yamlMap != null){
-                       // Get a set of the entries
-                    @SuppressWarnings("rawtypes")
-                       Set set = yamlMap.entrySet();                 
-                    // Get an iterator
-                    @SuppressWarnings("rawtypes")
-                       Iterator i = set.iterator();                  
-                     // Display elements
-                    while(i.hasNext()) {
-                        @SuppressWarnings("rawtypes")                   
-                                Map.Entry me = (Map.Entry)i.next();
-                        
-                        if("tosca_definitions_version".equals(me.getKey())){
-                                isToscaVersionKeyFound = true;
-                                order++;
-                                m1.put("tosca_definitions_version", order);
-                        }
-                        
-                        if("tosca_simple_yaml_1_0_0".equals(me.getValue())){
-                                isToscaVersionValueFound = true;
-                        }
-
-                        if("node_types".equals(me.getKey())){
-                                isNoteTypeFound = true;
-                                order++;
-                                m1.put("node_types", order);
-                        }
-                        
-                        if("data_types".equals(me.getKey())){
-                                isDataTypeFound = true;
-                                order++;
-                                m1.put("data_types", order);
-                        }
-
-                    }
-                    
-                
-                if(!isDataTypeFound){
-                        return "data_types are missing or invalid.";
-                }  
-                
-                if(!isToscaVersionKeyFound || !isToscaVersionValueFound){
-                        return "tosca_definitions_version is missing or invalid.";
-                }  
-                
-                if(!isNoteTypeFound){
-                        return "node_types are missing or invalid.";
-                }  
-                
-                short version = (short) m1.get("tosca_definitions_version");
-                
-                if(version > 1 ){
-                       return "tosca_definitions_version should be defined first.";
-                }
-                
-                short data = (short) m1.get("data_types");
-                short node = (short) m1.get("node_types");
-                if(node > data){
-                       return "node_types should be defined before data_types.";                        
-                }               
-                
-               }
-               
-               return null;
-       }
-       
-       @SuppressWarnings({ "unchecked", "rawtypes" })
-       private void serializeMap(LinkedHashMap<String, String> settings, StringBuilder sb, List<String> path, Map<Object, Object> yamlMap) { 
-               for (Map.Entry<Object, Object> entry : yamlMap.entrySet()) { 
-                                       
-                       if (entry.getValue() instanceof Map) { 
-                               path.add((String) entry.getKey()); 
-                               serializeMap(settings, sb, path, (Map<Object, Object>) entry.getValue()); 
-                               path.remove(path.size() - 1); 
-                       } else if (entry.getValue() instanceof List) { 
-                               path.add((String) entry.getKey()); 
-                               serializeList(settings, sb, path, (List) entry.getValue()); 
-                               path.remove(path.size() - 1); 
-                       } else { 
-                               serializeValue(settings, sb, path, (String) entry.getKey(), entry.getValue()); 
-                       } 
-               } 
-       }
-       
-       @SuppressWarnings("unchecked")
-       private void serializeList(LinkedHashMap<String, String> settings, StringBuilder sb, List<String> path, List<String> yamlList) { 
-               int counter = 0; 
-               for (Object listEle : yamlList) { 
-                       if (listEle instanceof Map) { 
-                               path.add(Integer.toString(counter)); 
-                               serializeMap(settings, sb, path, (Map<Object, Object>) listEle); 
-                               path.remove(path.size() - 1); 
-                       } else if (listEle instanceof List) { 
-                               path.add(Integer.toString(counter)); 
-                               serializeList(settings, sb, path, (List<String>) listEle); 
-                               path.remove(path.size() - 1); 
-                       } else { 
-                               serializeValue(settings, sb, path, Integer.toString(counter), listEle); 
-                       } 
-                       counter++; 
-               } 
-       } 
-
-       private void serializeValue(LinkedHashMap<String, String> settings, StringBuilder sb, List<String> path, String name, Object value) {           
-           if (value == null) { 
-                       return; 
-               } 
-               sb.setLength(0); 
-               for (String pathEle : path) { 
-                       sb.append(pathEle).append('.'); 
-               } 
-               sb.append(name); 
-               settings.put(sb.toString(), value.toString()); 
-       } 
-       
-       
-       void parseDataAndPolicyNodes(LinkedHashMap<String,String> map){
-               for(String key:map.keySet()){
-                       if(key.contains("policy.nodes.Root"))
-                       {
-                               continue;
-                       }
-                       else if(key.contains("policy.nodes")){
-                               String wordToFind = "policy.nodes.";
-                               int indexForPolicyNode=key.indexOf(wordToFind);
-                               String subNodeString= key.substring(indexForPolicyNode+13, key.length());
-
-                               stringBetweenDots(subNodeString);
-                       }
-                       else if(key.contains("policy.data")){
-                               String wordToFind="policy.data.";
-                               int indexForPolicyNode=key.indexOf(wordToFind);
-                               String subNodeString= key.substring(indexForPolicyNode+12, key.length());
-
-                               stringBetweenDotsForDataFields(subNodeString);
-                       }
-               }
-       }
-       
-       // Second index of dot should be returned. 
-       public int stringBetweenDots(String str){
-               String stringToSearch=str;
-               String[]ss=stringToSearch.split("\\.");
-               if(ss!=null){
-                       int len= ss.length;
-                       if(len>2){
-                               uniqueKeys.add(ss[2]);
-                       }
-               }
-               
-               return uniqueKeys.size();
-       }
-       
-       
-       public void stringBetweenDotsForDataFields(String str){
-               String stringToSearch=str;
-               String[]ss=stringToSearch.split("\\.");
-               if(ss!=null){
-                       int len= ss.length;
-
-                       if(len>2){
-                               uniqueDataKeys.add(ss[0]+"%"+ss[2]);
-                       }
-               }
-       }
-       
-       void constructJsonForDataFields(LinkedHashMap<String,String> dataMapForJson){
-               LinkedHashMap<String,LinkedHashMap<String,String>> dataMapKey= new LinkedHashMap <>();
-               LinkedHashMap<String, String> hmSub;
-               for(Map.Entry<String, String> entry: dataMapForJson.entrySet()){
-                       String uniqueDataKey= entry.getKey();
-                       String[] uniqueDataKeySplit=uniqueDataKey.split("%");
-                       String value= dataMapForJson.get(uniqueDataKey);
-                       if(dataMapKey.containsKey(uniqueDataKeySplit[0])){
-                               hmSub = dataMapKey.get(uniqueDataKeySplit[0]);
-                               hmSub.put(uniqueDataKeySplit[1], value);
-                       }
-                       else{
-                               hmSub=new LinkedHashMap <>();
-                               hmSub.put(uniqueDataKeySplit[1], value);
-                       }
-                               
-                       dataMapKey.put(uniqueDataKeySplit[0], hmSub);
-               }
-                               
-               JSONObject mainObject= new JSONObject();
-               JSONObject json;
-               for(Map.Entry<String,LinkedHashMap<String,String>> entry: dataMapKey.entrySet()){
-                       String s=entry.getKey();
-                       json= new JSONObject();
-                       HashMap<String,String> jsonHm=dataMapKey.get(s);
-                       for(Map.Entry<String,String> entryMap:jsonHm.entrySet()){
-                               String key=entryMap.getKey();
-                               json.put(key, jsonHm.get(key));
-                       }
-                       mainObject.put(s,json);
-               }       
-               Iterator<String> keysItr = mainObject.keys();
-               while(keysItr.hasNext()) {
-                       String key = keysItr.next();
-                       String value = mainObject.get(key).toString();
-                       retmap.put(key, value);
-               }
-               
-               logger.info("#############################################################################");
-               logger.info(mainObject);
-               logger.info("###############################################################################"); 
-       }
-       
-       LinkedHashMap<String,String> parseDataNodes(LinkedHashMap<String,String> map){
-               LinkedHashMap<String,String> dataMapForJson=new LinkedHashMap <>(); 
-               matchableValues = new HashMap <>(); 
-               for(String uniqueDataKey: uniqueDataKeys){
-                       if(uniqueDataKey.contains("%")){
-                               String[] uniqueDataKeySplit= uniqueDataKey.split("%");
-                               String findType=DATATYPE+uniqueDataKeySplit[0]+PROPERTIES+uniqueDataKeySplit[1]+TYPE;
-                               String typeValue=map.get(findType);
-                               logger.info(typeValue);
-                               
-                               String findRequired=DATATYPE+uniqueDataKeySplit[0]+PROPERTIES+uniqueDataKeySplit[1]+REQUIRED;
-                               String requiredValue= map.get(findRequired);
-                               
-                               String matchable =DATATYPE+uniqueDataKeySplit[0]+PROPERTIES+uniqueDataKeySplit[1]+MATCHABLE;
-
-                               String matchableValue= map.get(matchable);
-
-                               if(matchableValue != null && matchableValue.equalsIgnoreCase("true")){
-                                       if(uniqueDataKey.contains("%")){
-                                               String[] keys= uniqueDataKey.split("%");
-                                               String key=keys[keys.length -1];
-                                               matchableValues.put(key, MATCHINGTRUE);
-                                       }else{
-                                               matchableValues.put(uniqueDataKey, MATCHINGTRUE);
-                                       }
-                               }
-                                       
-                               if(requiredValue == null || requiredValue.isEmpty()){
-                                       requiredValue = "false";
-                               }
-                               if(typeValue != null && (typeValue.equalsIgnoreCase(STRING)||
-                                               typeValue.equalsIgnoreCase(INTEGER))){
-                                       
-                                       String findDefault=DATATYPE+uniqueDataKeySplit[0]+PROPERTIES+uniqueDataKeySplit[1]+DEFAULT;
-                                       String defaultValue= map.get(findDefault);
-                                       logger.info("defaultValue is:"+ defaultValue);
-                                       logger.info("requiredValue is:"+ requiredValue);
-                                       
-                                       StringBuilder attributeIndividualStringBuilder= new StringBuilder();
-                                       attributeIndividualStringBuilder.append(typeValue+DEFAULTVALUE);
-                                       attributeIndividualStringBuilder.append(defaultValue+REQUIREDVALUE);
-                                       attributeIndividualStringBuilder.append(requiredValue+MANYFALSE);
-                                       dataMapForJson.put(uniqueDataKey, attributeIndividualStringBuilder.toString());         
-                               }
-                               else if(LIST.equalsIgnoreCase(typeValue) || MAP.equalsIgnoreCase(typeValue)){
-                                       logger.info("requiredValue is:"+ requiredValue);
-                                       String findList= DATATYPE+uniqueDataKeySplit[0]+PROPERTIES+uniqueDataKeySplit[1]+".entry_schema.type";
-                                       String listValue=map.get(findList);
-                                       if(listValue!=null){
-                                               logger.info("Type of list is:"+ listValue);
-                                               //Its userdefined
-                                               if(listValue.contains(".")){
-                                                       String trimValue=listValue.substring(listValue.lastIndexOf('.')+1);
-                                                       StringBuilder referenceIndividualStringBuilder= new StringBuilder();
-                                                       referenceIndividualStringBuilder.append(trimValue+REQUIREDVALUE);
-                                                       referenceIndividualStringBuilder.append(requiredValue+MANYTRUE);
-                                                       dataMapForJson.put(uniqueDataKey, referenceIndividualStringBuilder.toString());
-                                               }//Its string
-                                               else{
-                                                       StringBuilder stringListItems= new StringBuilder();
-                                                       if(LIST.equalsIgnoreCase(typeValue)){
-                                                           stringListItems.append(uniqueDataKeySplit[1].toUpperCase()+":required-"+requiredValue +":MANY-false");
-                                                       }else if( MAP.equalsIgnoreCase(typeValue)){
-                                                               stringListItems.append(uniqueDataKeySplit[1].toUpperCase()+":required-"+requiredValue +":MANY-true");
-                                                       }
-                                                       dataMapForJson.put(uniqueDataKey, stringListItems.toString());
-                                                       boolean isConstraintsFound = false;
-                                                       for(int i=0;i<10;i++){
-                                                               String findConstraints= DATATYPE+uniqueDataKeySplit[0]+PROPERTIES+uniqueDataKeySplit[1]+".entry_schema.constraints.0.valid_values."+i;
-                                                               logger.info("findConstraints => " + findConstraints);
-                                                               String constraintsValue=map.get(findConstraints);
-                                                               logger.info("constraintsValue => " + constraintsValue);
-                                                               if((constraintsValue==null || constraintsValue.isEmpty()) && i==0){ //if no constraints at all ( index i as 0 can tell this )
-                                                                       isConstraintsFound = false;
-                                                                       //if type is list but no constraints
-                                                                       String newValue = dataMapForJson.get(uniqueDataKey).replace("MANY-false", "MANY-true"); 
-                                                                       newValue = newValue.replace(uniqueDataKeySplit[1].toUpperCase()+":", "");       
-                                                                       dataMapForJson.put(uniqueDataKey, newValue);
-                                                                       break;
-                                                               } else{
-                                                                       isConstraintsFound = true;
-                                                                       if(i == 0){ // only need to add one time for the same attribute
-                                                                          dataListBuffer.append(uniqueDataKeySplit[1].toUpperCase()+"=[");
-                                                                       }
-
-                                                                       if(constraintsValue.contains("=")){
-                                                                               constraintsValue = constraintsValue.replace("=", "equal-sign");
-                                                                       }
-                                                                       dataConstraints.add(constraintsValue);                                                                  
-                                                                       dataListBuffer.append(constraintsValue+",");
-                                                               }
-                                                       }
-                                                       if(isConstraintsFound){                                                 
-                                                           dataListBuffer.append("]#");
-                                                       }
-                                               }
-                                       }else{
-                                               logger.info("entry_schema.type is not defined correctly");
-                                       }
-                               }
-                               else{
-                                       String findUserDefined=DATATYPE+uniqueDataKeySplit[0]+"."+"properties"+"."+uniqueDataKeySplit[1]+TYPE;
-                                       String userDefinedValue=map.get(findUserDefined);
-                                       String trimValue=userDefinedValue.substring(userDefinedValue.lastIndexOf('.')+1);
-                                       StringBuilder referenceIndividualStringBuilder= new StringBuilder();
-                                       referenceIndividualStringBuilder.append(trimValue+REQUIREDVALUE);
-                                       referenceIndividualStringBuilder.append(requiredValue+MANYFALSE);
-                                       dataMapForJson.put(uniqueDataKey, referenceIndividualStringBuilder.toString());
-                                       
-                               }
-                       }
-               }
-               
-               return dataMapForJson;
-       }
-       
-       
-       LinkedHashMap<String, LinkedHashMap<String, String>> parsePolicyNodes(Map<String,String> map) throws ParserException{
-               LinkedHashMap<String,LinkedHashMap<String,String>> mapKey= new LinkedHashMap <>();
-               for(String uniqueKey: uniqueKeys){
-                       LinkedHashMap<String,String> hm;
-
-                       for(Map.Entry<String,String> entry:map.entrySet()){
-                               String key=entry.getKey();
-                               if(key.contains(uniqueKey) && key.contains("policy.nodes")){
-                                       if(mapKey.containsKey(uniqueKey)){
-                                               hm = mapKey.get(uniqueKey);
-                                               String keyStr= key.substring(key.lastIndexOf('.')+1);
-                                               String valueStr= map.get(key);
-                                               if("type".equalsIgnoreCase(keyStr) && ((key.contains("entry_schema.0.type") || key.contains("entry_schema.type") && valueStr.contains("policy.data.")))){
-                                                  throw new ParserException("For using user defined object type, Please make sure no space between 'type:' and object " + valueStr );
-                                                       
-                                               }       
-                                               if("type".equals(keyStr)){
-                                                       if(!key.contains("entry_schema"))
-                                                       {
-                                                               hm.put(keyStr,valueStr);
-                                                       }
-                                               }else{
-                                                       hm.put(keyStr,valueStr);
-                                               }
-
-                                       } else {
-                                               hm = new LinkedHashMap <>();
-                                               String keyStr= key.substring(key.lastIndexOf('.')+1);
-                                               String valueStr= map.get(key);
-                                               if(key.contains(".objective.")){                                                        
-                                                       throw new ParserException("Attribute objective is a key word. Please use a different name");
-                                               }
-                                               if(("type").equals(keyStr)){
-                                                       if(!key.contains("entry_schema"))
-                                                       {
-                                                               hm.put(keyStr,valueStr);
-                                                       }
-                                               }else{
-                                                       hm.put(keyStr,valueStr);
-                                               }
-                                               mapKey.put(uniqueKey, hm);
-                                       }
-                               }
-                       }
-               }
-               return mapKey;
-       }
-
-       void createAttributes(LinkedHashMap<String,LinkedHashMap<String,String>> mapKey){
-               StringBuilder attributeStringBuilder= new StringBuilder();
-               StringBuilder referenceStringBuilder= new StringBuilder();
-               StringBuilder listBuffer= new StringBuilder();
-               List<String> constraints= new ArrayList<>();
-               for(Map.Entry<String,LinkedHashMap<String,String>> entry: mapKey.entrySet()){
-                       String keySetString= entry.getKey();
-                       LinkedHashMap<String,String> keyValues=mapKey.get(keySetString);
-                       if(STRING.equalsIgnoreCase(keyValues.get("type"))|| 
-                                       INTEGER.equalsIgnoreCase(keyValues.get("type"))){
-                               StringBuilder attributeIndividualStringBuilder= new StringBuilder();
-                               attributeIndividualStringBuilder.append(keySetString+"=");
-                               attributeIndividualStringBuilder.append(keyValues.get("type")+DEFAULTVALUE);
-                               attributeIndividualStringBuilder.append(keyValues.get("default")+REQUIREDVALUE);
-                               attributeIndividualStringBuilder.append(keyValues.get("required")+MANYFALSE);
-                               attributeStringBuilder.append(attributeIndividualStringBuilder+",");    
-                if("true".equalsIgnoreCase(keyValues.get(MATCHABLEKEY))){
-                                   matchableValues.put(keySetString, MATCHINGTRUE);
+    public String parseTosca(String fileName) {
+        Map<String, String> map = new LinkedHashMap<>();
+        try {
+            map = load(fileName);
+            if (map != null && map.get(ERROR) != null) {
+                return map.get(ERROR);
+            }
+            parseDataAndPolicyNodes(map);
+            LinkedHashMap<String, String> dataMapForJson = parseDataNodes(map);
+            constructJsonForDataFields(dataMapForJson);
+            LinkedHashMap<String, LinkedHashMap<String, String>> mapKey = parsePolicyNodes(map);
+            createAttributes(mapKey);
+
+        } catch (IOException e) {
+            logger.error(e);
+        } catch (ParserException e) {
+            logger.error(e);
+            return e.getMessage();
+        }
+
+        return null;
+    }
+
+    @SuppressWarnings("unchecked")
+    public Map<String, String> load(String fileName) throws IOException, ParserException {
+        File newConfiguration = new File(fileName);
+        StringBuilder orderInfo = new StringBuilder("[");
+        Yaml yaml = new Yaml();
+        LinkedHashMap<Object, Object> yamlMap = null;
+        try (InputStream is = new FileInputStream(newConfiguration)) {
+            yamlMap = (LinkedHashMap<Object, Object>) yaml.load(is);
+        } catch (FileNotFoundException e) {
+            logger.error(e);
+        } catch (Exception e) {
+            logger.error(e);
+            throw new ParserException("Invalid TOSCA Model format. Please make sure it is a valid YAML file");
+        }
+
+        StringBuilder sb = new StringBuilder();
+        LinkedHashMap<String, String> settings = new LinkedHashMap<>();
+        if (yamlMap == null) {
+            return settings;
+        }
+
+        String message = validations(yamlMap);
+
+        if (message != null) {
+            settings.put(ERROR, message);
+            return settings;
+        }
+
+        findNode(yamlMap);
+
+        if (!isDuplicatedAttributes && orderedElements != null && !orderedElements.isEmpty()) {
+            orderedElements.stream().forEach(string -> {
+                orderInfo.append(string);
+                orderInfo.append(",");
+                logger.info("Content: " + string);
+            });
+
+            orderInfo.append("]");
+
+            dataOrderInfo = orderInfo.toString();
+            dataOrderInfo = dataOrderInfo.replace(",]", "]");
+
+            logger.info("dataOrderInfo :" + dataOrderInfo);
+        }
+
+        List<String> path = new ArrayList<>();
+        serializeMap(settings, sb, path, yamlMap);
+        return settings;
+    }
+
+    @SuppressWarnings("unchecked")
+    private String validations(@SuppressWarnings("rawtypes") Map yamlMap) {
+
+        boolean isNoteTypeFound = false;
+        boolean isDataTypeFound = false;
+        boolean isToscaVersionKeyFound = false;
+        boolean isToscaVersionValueFound = false;
+        @SuppressWarnings("rawtypes")
+        Map m1 = new HashMap();
+        short order = 0;
+        if (yamlMap != null) {
+            // Get a set of the entries
+            @SuppressWarnings("rawtypes")
+            Set<Entry> entries = yamlMap.entrySet();
+            for (@SuppressWarnings("rawtypes")
+                Map.Entry me : entries) {
+                if (TOSCA_SIMPLE_YAML_1_0_0.equals(me.getValue())) {
+                    isToscaVersionValueFound = true;
                 }
-                       }
-                       else if(LIST.equalsIgnoreCase(keyValues.get("type"))){
-                               
-                if(("true").equalsIgnoreCase(keyValues.get(MATCHABLEKEY))){
-                                   matchableValues.put(keySetString, MATCHINGTRUE);
+
+                switch (me.getKey().toString()) {
+                    case TOSCA_DEFINITION_VERSION:
+                        isToscaVersionKeyFound = true;
+                        order++;
+                        m1.put(TOSCA_DEFINITION_VERSION, order);
+                        break;
+                    case NODE_TYPE:
+                        isNoteTypeFound = true;
+                        order++;
+                        m1.put(NODE_TYPE, order);
+                        break;
+                    case DATA_TYPE:
+                        isDataTypeFound = true;
+                        order++;
+                        m1.put(DATA_TYPE, order);
+                        break;
+                    case JSON_MODEL:
+                        setJsonRuleFormation(me.getValue().toString());
+                        break;
+                    default:
+                        break;
+                }
+            }
+            if (!isDataTypeFound) {
+                return "data_types are missing or invalid.";
+            }
+            if (!isToscaVersionKeyFound || !isToscaVersionValueFound) {
+                return "tosca_definitions_version is missing or invalid.";
+            }
+
+            if (!isNoteTypeFound) {
+                return "node_types are missing or invalid.";
+            }
+
+            short version = (short) m1.get(TOSCA_DEFINITION_VERSION);
+
+            if (version > 1) {
+                return "tosca_definitions_version should be defined first.";
+            }
+
+            short data = (short) m1.get(DATA_TYPE);
+            short node = (short) m1.get(NODE_TYPE);
+            if (isDataTypeFound && node > data) {
+                return "node_types should be defined before data_types.";
+            }
+
+        }
+
+        return null;
+    }
+
+    @SuppressWarnings({"unchecked", "rawtypes"})
+    private void serializeMap(LinkedHashMap<String, String> settings, StringBuilder sb, List<String> path,
+            Map<Object, Object> yamlMap) {
+        for (Map.Entry<Object, Object> entry : yamlMap.entrySet()) {
+
+            if (entry.getValue() instanceof Map) {
+                path.add((String) entry.getKey());
+                serializeMap(settings, sb, path, (Map<Object, Object>) entry.getValue());
+                path.remove(path.size() - 1);
+            } else if (entry.getValue() instanceof List) {
+                path.add((String) entry.getKey());
+                serializeList(settings, sb, path, (List) entry.getValue());
+                path.remove(path.size() - 1);
+            } else {
+                serializeValue(settings, sb, path, (String) entry.getKey(), entry.getValue());
+            }
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    private void serializeList(LinkedHashMap<String, String> settings, StringBuilder sb, List<String> path,
+            List<String> yamlList) {
+        int counter = 0;
+        for (Object listEle : yamlList) {
+            if (listEle instanceof Map) {
+                path.add(Integer.toString(counter));
+                serializeMap(settings, sb, path, (Map<Object, Object>) listEle);
+                path.remove(path.size() - 1);
+            } else if (listEle instanceof List) {
+                path.add(Integer.toString(counter));
+                serializeList(settings, sb, path, (List<String>) listEle);
+                path.remove(path.size() - 1);
+            } else {
+                serializeValue(settings, sb, path, Integer.toString(counter), listEle);
+            }
+            counter++;
+        }
+    }
+
+    private void serializeValue(LinkedHashMap<String, String> settings, StringBuilder sb, List<String> path,
+            String name, Object value) {
+        if (value == null) {
+            return;
+        }
+        sb.setLength(0);
+        for (String pathEle : path) {
+            sb.append(pathEle).append('.');
+        }
+        sb.append(name);
+        settings.put(sb.toString(), value.toString());
+    }
+
+
+    void parseDataAndPolicyNodes(Map<String, String> map) {
+        for (String key : map.keySet()) {
+            if (key.contains("policy.nodes.Root")) {
+                continue;
+            } else if (key.contains("policy.nodes")) {
+                String wordToFind = "policy.nodes.";
+                int indexForPolicyNode = key.indexOf(wordToFind);
+                String subNodeString = key.substring(indexForPolicyNode + 13, key.length());
+
+                stringBetweenDots(subNodeString);
+            } else if (key.contains("policy.data")) {
+                String wordToFind = "policy.data.";
+                int indexForPolicyNode = key.indexOf(wordToFind);
+                String subNodeString = key.substring(indexForPolicyNode + 12, key.length());
+
+                stringBetweenDotsForDataFields(subNodeString);
+            }
+        }
+    }
+
+    // Second index of dot should be returned.
+    public int stringBetweenDots(String str) {
+        String stringToSearch = str;
+        String[] ss = stringToSearch.split("\\.");
+        if (ss != null) {
+            int len = ss.length;
+            if (len > 2) {
+                uniqueKeys.add(ss[2]);
+            }
+        }
+
+        return uniqueKeys.size();
+    }
+
+
+    public void stringBetweenDotsForDataFields(String str) {
+        String stringToSearch = str;
+        String[] ss = stringToSearch.split("\\.");
+        if (ss != null) {
+            int len = ss.length;
+
+            if (len > 2) {
+                uniqueDataKeys.add(ss[0] + "%" + ss[2]);
+            }
+        }
+    }
+
+    void constructJsonForDataFields(LinkedHashMap<String, String> dataMapForJson) {
+        LinkedHashMap<String, LinkedHashMap<String, String>> dataMapKey = new LinkedHashMap<>();
+        LinkedHashMap<String, String> hmSub;
+        for (Map.Entry<String, String> entry : dataMapForJson.entrySet()) {
+            String uniqueDataKey = entry.getKey();
+            String[] uniqueDataKeySplit = uniqueDataKey.split("%");
+            String value = dataMapForJson.get(uniqueDataKey);
+            if (dataMapKey.containsKey(uniqueDataKeySplit[0])) {
+                hmSub = dataMapKey.get(uniqueDataKeySplit[0]);
+                hmSub.put(uniqueDataKeySplit[1], value);
+            } else {
+                hmSub = new LinkedHashMap<>();
+                hmSub.put(uniqueDataKeySplit[1], value);
+            }
+
+            dataMapKey.put(uniqueDataKeySplit[0], hmSub);
+        }
+
+        JSONObject mainObject = new JSONObject();
+        JSONObject json;
+        for (Map.Entry<String, LinkedHashMap<String, String>> entry : dataMapKey.entrySet()) {
+            String s = entry.getKey();
+            json = new JSONObject();
+            HashMap<String, String> jsonHm = dataMapKey.get(s);
+            for (Map.Entry<String, String> entryMap : jsonHm.entrySet()) {
+                String key = entryMap.getKey();
+                json.put(key, jsonHm.get(key));
+            }
+            mainObject.put(s, json);
+        }
+        Iterator<String> keysItr = mainObject.keys();
+        while (keysItr.hasNext()) {
+            String key = keysItr.next();
+            String value = mainObject.get(key).toString();
+            retmap.put(key, value);
+        }
+
+        logger.info("#############################################################################");
+        logger.info(mainObject);
+        logger.info("###############################################################################");
+    }
+
+    LinkedHashMap<String, String> parseDataNodes(Map<String, String> map) {
+        LinkedHashMap<String, String> dataMapForJson = new LinkedHashMap<>();
+        matchableValues = new HashMap<>();
+        for (String uniqueDataKey : uniqueDataKeys) {
+            if (uniqueDataKey.contains("%")) {
+                String[] uniqueDataKeySplit = uniqueDataKey.split("%");
+                String findType = DATATYPE + uniqueDataKeySplit[0] + PROPERTIES + uniqueDataKeySplit[1] + TYPE;
+                String typeValue = map.get(findType);
+                logger.info(typeValue);
+
+                String findRequired = DATATYPE + uniqueDataKeySplit[0] + PROPERTIES + uniqueDataKeySplit[1] + REQUIRED;
+                String requiredValue = map.get(findRequired);
+
+                String matchable = DATATYPE + uniqueDataKeySplit[0] + PROPERTIES + uniqueDataKeySplit[1] + MATCHABLE;
+
+                String matchableValue = map.get(matchable);
+
+                if ("true".equalsIgnoreCase(matchableValue)) {
+                    String key = uniqueDataKeySplit[uniqueDataKeySplit.length - 1];
+                    matchableValues.put(key, MATCHINGTRUE);
                 }
-                               //List Datatype
-                               Set<String> keys= keyValues.keySet();
-                               Iterator<String> itr=keys.iterator();
-                               boolean isDefinedType = false;
-                               while(itr.hasNext()){
-                                       String key= itr.next();
-                                       if((!("type").equals(key) ||("required").equals(key)))
-                                       {
-                                               String value= keyValues.get(key);
-                                               //The "." in the value determines if its a string or a user defined type.  
-                                               if (!value.contains(".")){
-                                                       //This is string
-                                                       if(StringUtils.isNumeric(key) ){  //only integer key for the value of Constrains 
-                                                           constraints.add(keyValues.get(key));
-                                                       }
-                                               }else{
-                                                       //This is user defined type
-                                                       String trimValue=value.substring(value.lastIndexOf('.')+1);
-                                                       StringBuilder referenceIndividualStringBuilder= new StringBuilder();
-                                                       referenceIndividualStringBuilder.append(keySetString+"="+trimValue+MANYTRUE);
-                                                       referenceStringBuilder.append(referenceIndividualStringBuilder+",");
-                                                       isDefinedType = true;
-                                               }
-                                       }                               
-
-                               }
-
-                               if(!isDefinedType && LIST.equalsIgnoreCase(keyValues.get("type"))){ //type is not user defined and is a list but no constraints defined.
-                                       if(constraints == null || constraints.isEmpty()){
-                                               referenceStringBuilder.append(keySetString+"=MANY-true"+",");
-                                       }
-                               }
-                       }else{
-                               //User defined Datatype.
-                if("true".equalsIgnoreCase(keyValues.get(MATCHABLEKEY))){
-                                   matchableValues.put(keySetString, MATCHINGTRUE);
+
+                if (requiredValue == null || requiredValue.isEmpty()) {
+                    requiredValue = "false";
                 }
-                               String value=keyValues.get("type");
-                               if(value != null && !value.isEmpty()){
-                                       String trimValue=value.substring(value.lastIndexOf('.')+1);
-                                       StringBuilder referenceIndividualStringBuilder= new StringBuilder();
-                                       referenceIndividualStringBuilder.append(keySetString+"="+trimValue+MANYFALSE);
-                                       referenceStringBuilder.append(referenceIndividualStringBuilder+",");
-                               }else{
-                                       logger.info("keyValues.get(type) is null/empty");
-                               }
-
-                       }
-                       if(constraints!=null && !constraints.isEmpty()){
-                               //List handling. 
-                               listBuffer.append(keySetString.toUpperCase()+"=[");
-                               for(String str:constraints){
-                                       listBuffer.append(str+",");
-                               }
-                               listBuffer.append("]#");
-                               logger.info(listBuffer);
-
-
-                               StringBuilder referenceIndividualStringBuilder= new StringBuilder();
-                               referenceIndividualStringBuilder.append(keySetString+"="+keySetString.toUpperCase()+MANYFALSE);
-                               referenceStringBuilder.append(referenceIndividualStringBuilder+",");
-                               constraints.clear();
-                       }
-               }
-               
-               dataListBuffer.append(listBuffer);
-               
-
-               logger.info("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
-               logger.info("Whole attribute String is:"+attributeStringBuilder);       
-               logger.info("Whole reference String is:"+referenceStringBuilder);
-               logger.info("List String is:"+listBuffer);
-               logger.info("Data list buffer is:"+dataListBuffer);
-               logger.info("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
-               
-               this.listConstraints=dataListBuffer.toString();
-               this.referenceAttributes=referenceStringBuilder.toString();
-               this.attributeString=attributeStringBuilder.toString();
-       }
-       
-       @SuppressWarnings("unchecked")
-       public void findNode(LinkedHashMap<Object, Object> map) {
-               
-               map.forEach((key,value) -> {
-                       // if the value is properties and its type is map object, then save all the keys
-                       if(key.equals("properties") && value instanceof Map){
-                               saveNodes((LinkedHashMap<?, ?>)value);
-                       }
-                       
-                       if(!key.equals("policy.nodes.Root") && value instanceof Map){
-                               //value is a Map object, then make a recursive call
-                           findNode((LinkedHashMap<Object, Object>) value);   
-                       }
-               });
-
-       }
-       
-       public void saveNodes(LinkedHashMap<?, ?> map) {
-               
-               map.forEach((key,value) -> {
-                       
-                   orderedElements.add((String)key);
-           
-               });
-
-       }
-       
-       public String getAttributeString() {
-               return attributeString;
-       }
-       public void setAttributeString(String attributeString) {
-               this.attributeString = attributeString;
-       }
-       
-       public LinkedHashMap<String, Object> getRetmap() {
-               return retmap;
-       }
-
-       public void setRetmap(LinkedHashMap<String, Object> retmap) {
-               this.retmap = retmap;
-       }
-       public Map<String, String> getMatchableValues() {
-               return matchableValues;
-       }
-
-       public void setMatchableValues(Map<String, String> matchableValues) {
-               this.matchableValues = matchableValues;
-       }
-       public String getReferenceAttributes() {
-               return referenceAttributes;
-       }
-
-       public void setReferenceAttributes(String referenceAttributes) {
-               this.referenceAttributes = referenceAttributes;
-       }
-       public String getListConstraints() {
-               return listConstraints;
-       }
-
-       public void setListConstraints(String listConstraints) {
-               this.listConstraints = listConstraints;
-       }
-       public String getDataOrderInfo() {
-               return dataOrderInfo;
-       }
-
-       public void setDataOrderInfo(String dataOrderInfo) {
-               this.dataOrderInfo = dataOrderInfo;
-       }
-
-}
\ No newline at end of file
+                if (INTEGER.equalsIgnoreCase(typeValue) || STRING.equalsIgnoreCase(typeValue)
+                        || typeValue.equalsIgnoreCase(BOOLEAN)) {
+                    String findDefault =
+                            DATATYPE + uniqueDataKeySplit[0] + PROPERTIES + uniqueDataKeySplit[1] + DEFAULT;
+                    String findDescription =
+                            DATATYPE + uniqueDataKeySplit[0] + PROPERTIES + uniqueDataKeySplit[1] + DESCRIPTION;
+                    String defaultValue = map.get(findDefault);
+                    String descriptionDefined = map.get(findDescription);
+                    logger.info("defaultValue is:" + defaultValue);
+                    logger.info("requiredValue is:" + requiredValue);
+
+                    StringBuilder attributeIndividualStringBuilder = new StringBuilder();
+                    attributeIndividualStringBuilder.append(typeValue + DEFAULTVALUE);
+                    attributeIndividualStringBuilder.append(defaultValue + REQUIREDVALUE);
+                    attributeIndividualStringBuilder.append(requiredValue + MANYFALSE);
+                    attributeIndividualStringBuilder.append(DESCRIPTION_TOKEN + descriptionDefined);
+                    dataMapForJson.put(uniqueDataKey, attributeIndividualStringBuilder.toString());
+                } else if (LIST.equalsIgnoreCase(typeValue) || MAP.equalsIgnoreCase(typeValue)) {
+                    logger.info("requiredValue is:" + requiredValue);
+                    String findList = DATATYPE + uniqueDataKeySplit[0] + PROPERTIES + uniqueDataKeySplit[1]
+                            + ".entry_schema.type";
+                    String findDefaultValue = DATATYPE + uniqueDataKeySplit[0] + PROPERTIES + uniqueDataKeySplit[1]
+                            + ".entry_schema.default";
+                    String findDescription = DATATYPE + uniqueDataKeySplit[0] + PROPERTIES + uniqueDataKeySplit[1]
+                            + ".entry_schema.description";
+                    String listValue = map.get(findList);
+                    String defaultValue = map.get(findDefaultValue);
+                    String description = map.get(findDescription);
+                    if (listValue != null) {
+                        logger.info("Type of list is:" + listValue);
+                        // Its userdefined
+                        if (listValue.contains(".")) {
+                            String trimValue = listValue.substring(listValue.lastIndexOf('.') + 1);
+                            StringBuilder referenceIndividualStringBuilder = new StringBuilder();
+                            referenceIndividualStringBuilder.append(trimValue + REQUIREDVALUE);
+                            referenceIndividualStringBuilder.append(requiredValue + MANYTRUE);
+                            referenceIndividualStringBuilder.append(DESCRIPTION_TOKEN + description);
+                            dataMapForJson.put(uniqueDataKey, referenceIndividualStringBuilder.toString());
+                        } else { // Its string
+                            StringBuilder stringListItems = new StringBuilder();
+                            if (LIST.equalsIgnoreCase(typeValue)) {
+                                stringListItems.append(uniqueDataKeySplit[1].toUpperCase() + DEFAULTVALUE + defaultValue
+                                        + REQUIREDVALUE + requiredValue + MANYFALSE + DESCRIPTION_TOKEN + description);
+                            } else if (MAP.equalsIgnoreCase(typeValue)) {
+                                stringListItems.append(uniqueDataKeySplit[1].toUpperCase() + DEFAULTVALUE + defaultValue
+                                        + REQUIREDVALUE + requiredValue + MANYTRUE + DESCRIPTION_TOKEN + description);
+                            }
+                            dataMapForJson.put(uniqueDataKey, stringListItems.toString());
+                            dataListBuffer.append(uniqueDataKeySplit[1].toUpperCase() + "=[");
+                            for (int i = 0; i < 10; i++) {
+                                String findConstraints = DATATYPE + uniqueDataKeySplit[0] + PROPERTIES
+                                        + uniqueDataKeySplit[1] + ".entry_schema.constraints.0.valid_values." + i;
+                                String constraintsValue = map.get(findConstraints);
+                                logger.info(constraintsValue);
+                                boolean ruleCheck = false;
+                                if (constraintsValue == null) {
+                                    break;
+                                } else if (constraintsValue.startsWith(DICTIONARY)) {
+                                    List<Object> dictFromDB = null;
+                                    String[] dictionaryNameValRule;
+                                    String[] dictionaryName = constraintsValue.split(":");
+                                    String dictionaryNameVal = dictionaryName[1];
+                                    if (dictionaryNameVal.contains("#Rules")) {
+                                        ruleCheck = true;
+                                        dictionaryNameValRule = dictionaryNameVal.split("#");
+                                        dictFromDB = commonClassDao.getDataById(DictionaryData.class, DICTIONARYNAME,
+                                                dictionaryNameValRule[0]);
+                                    } else {
+                                        dictFromDB = commonClassDao.getDataById(DictionaryData.class, DICTIONARYNAME,
+                                                dictionaryName[1]);
+                                    }
+                                    if (dictFromDB != null && !dictFromDB.isEmpty()) {
+                                        DictionaryData data = (DictionaryData) dictFromDB.get(0);
+                                        if (ruleCheck) {
+                                            constraintsValue = DICTIONARY + data.getDictionaryUrl() + "@"
+                                                    + data.getDictionaryDataByName() + "&Rule";
+                                        } else {
+                                            constraintsValue = DICTIONARY + data.getDictionaryUrl() + "@"
+                                                    + data.getDictionaryDataByName();
+                                        }
+                                    }
+                                    dataListBuffer.append(constraintsValue + ",");
+                                } else {
+                                    logger.info("constraintsValue => " + constraintsValue);
+                                    if (constraintsValue.contains("=")) {
+                                        constraintsValue = constraintsValue.replace("=", "equal-sign");
+                                    }
+                                    dataConstraints.add(constraintsValue);
+                                    dataListBuffer.append(constraintsValue + ",");
+                                }
+                            }
+                            dataListBuffer.append("]#");
+                            logger.info(dataListBuffer);
+                        }
+                    }
+                } else {
+                    String findUserDefined = DATATYPE + uniqueDataKeySplit[0] + "." + PROPERTIES_KEY + "."
+                            + uniqueDataKeySplit[1] + TYPE;
+                    String findDescription = DATATYPE + uniqueDataKeySplit[0] + "." + PROPERTIES_KEY + "."
+                            + uniqueDataKeySplit[1] + DESCRIPTION;
+                    String userDefinedValue = map.get(findUserDefined);
+                    String description = map.get(findDescription);
+                    String trimValue = userDefinedValue.substring(userDefinedValue.lastIndexOf('.') + 1);
+                    StringBuilder referenceIndividualStringBuilder = new StringBuilder();
+                    referenceIndividualStringBuilder.append(trimValue + REQUIREDVALUE);
+                    referenceIndividualStringBuilder.append(requiredValue + MANYFALSE);
+                    referenceIndividualStringBuilder.append(DESCRIPTION_TOKEN + description);
+                    dataMapForJson.put(uniqueDataKey, referenceIndividualStringBuilder.toString());
+
+                }
+            } else {
+                matchableValues.put(uniqueDataKey, MATCHINGTRUE);
+            }
+        }
+
+        return dataMapForJson;
+    }
+
+    LinkedHashMap<String, LinkedHashMap<String, String>> parsePolicyNodes(Map<String, String> map)
+            throws ParserException {
+        LinkedHashMap<String, LinkedHashMap<String, String>> mapKey = new LinkedHashMap<>();
+        for (String uniqueKey : uniqueKeys) {
+            LinkedHashMap<String, String> hm;
+
+            for (Entry<String, String> entry : map.entrySet()) {
+                String key = entry.getKey();
+                if (key.contains(uniqueKey) && key.contains("policy.nodes")) {
+                    if (mapKey.containsKey(uniqueKey)) {
+                        hm = mapKey.get(uniqueKey);
+                        String keyStr = key.substring(key.lastIndexOf('.') + 1);
+                        String valueStr = map.get(key);
+                        if ("type".equalsIgnoreCase(keyStr) && key.contains("entry_schema.0.type")
+                                || key.contains("entry_schema.type") && valueStr.contains("policy.data.")) {
+                            throw new ParserException(
+                                    "For user defined object type, Please make sure no space between 'type:' and object "
+                                            + valueStr);
+
+                        }
+                        if ("type".equals(keyStr)) {
+                            if (!key.contains("entry_schema")) {
+                                hm.put(keyStr, valueStr);
+                            }
+                        } else {
+                            hm.put(keyStr, valueStr);
+                        }
+
+                    } else {
+                        hm = new LinkedHashMap<>();
+                        String keyStr = key.substring(key.lastIndexOf('.') + 1);
+                        String valueStr = map.get(key);
+
+                        if (("type").equals(keyStr)) {
+                            if (!key.contains("entry_schema")) {
+                                hm.put(keyStr, valueStr);
+                            }
+                        } else {
+                            hm.put(keyStr, valueStr);
+                        }
+                        mapKey.put(uniqueKey, hm);
+                    }
+                }
+            }
+        }
+        return mapKey;
+    }
+
+    private void createAttributes(LinkedHashMap<String, LinkedHashMap<String, String>> mapKey) {
+        StringBuilder attributeStringBuilder = new StringBuilder();
+        StringBuilder referenceStringBuilder = new StringBuilder();
+        StringBuilder listBuffer = new StringBuilder();
+        List<String> constraints = new ArrayList<>();
+        for (Map.Entry<String, LinkedHashMap<String, String>> entry : mapKey.entrySet()) {
+            String keySetString = entry.getKey();
+            LinkedHashMap<String, String> keyValues = mapKey.get(keySetString);
+            if (keyValues.get("type") != null && (STRING.equalsIgnoreCase(keyValues.get("type"))
+                    || INTEGER.equalsIgnoreCase(keyValues.get("type"))
+                    || BOOLEAN.equalsIgnoreCase(keyValues.get("type")))) {
+                StringBuilder attributeIndividualStringBuilder = new StringBuilder();
+                attributeIndividualStringBuilder.append(keySetString + "=");
+                attributeIndividualStringBuilder.append(keyValues.get("type") + DEFAULTVALUE);
+                attributeIndividualStringBuilder.append(keyValues.get("default") + REQUIREDVALUE);
+                attributeIndividualStringBuilder.append(keyValues.get("required") + MANYFALSE);
+                attributeIndividualStringBuilder.append(DESCRIPTION_TOKEN + keyValues.get(DESCRIPTION_KEY));
+                attributeStringBuilder.append(attributeIndividualStringBuilder + ",");
+                if (keyValues.get(MATCHABLEKEY) != null && "true".equalsIgnoreCase(keyValues.get(MATCHABLEKEY))) {
+                    matchableValues.put(keySetString, MATCHINGTRUE);
+                }
+            } else if (LIST.equalsIgnoreCase(keyValues.get("type"))) {
+                if ("true".equalsIgnoreCase(keyValues.get(MATCHABLEKEY))) {
+                    matchableValues.put(keySetString, MATCHINGTRUE);
+                }
+                // List Data type
+                Set<String> keys = keyValues.keySet();
+                Iterator<String> itr = keys.iterator();
+                boolean isDefinedType = false;
+                while (itr.hasNext()) {
+                    String key = itr.next();
+                    if ((!("type").equals(key) || ("required").equals(key))) {
+                        String value = keyValues.get(key);
+                        // The "." in the value determines if its a string or a user defined type.
+                        if (!value.contains(".")) {
+                            // This is string
+                            if (StringUtils.isNumeric(key)) { // only integer key for the value of Constrains
+                                constraints.add(keyValues.get(key));
+                            }
+                        } else {
+                            // This is user defined type
+                            String trimValue = value.substring(value.lastIndexOf('.') + 1);
+                            StringBuilder referenceIndividualStringBuilder = new StringBuilder();
+                            referenceIndividualStringBuilder.append(keySetString + "=" + trimValue + MANYTRUE
+                                    + DESCRIPTION_TOKEN + keyValues.get(DESCRIPTION_KEY));
+                            referenceStringBuilder.append(referenceIndividualStringBuilder + ",");
+                            isDefinedType = true;
+                        }
+                    }
+
+                }
+
+                if (!isDefinedType && LIST.equalsIgnoreCase(keyValues.get("type"))
+                        && (constraints == null || constraints.isEmpty())) {
+                    referenceStringBuilder.append(keySetString + "=MANY-true" + ",");
+                }
+            } else {
+                // User defined Datatype.
+                if ("true".equalsIgnoreCase(keyValues.get(MATCHABLEKEY))) {
+                    matchableValues.put(keySetString, MATCHINGTRUE);
+                }
+                String value = keyValues.get("type");
+                if (value != null && !value.isEmpty()) {
+                    String trimValue = value.substring(value.lastIndexOf('.') + 1);
+                    StringBuilder referenceIndividualStringBuilder = new StringBuilder();
+                    referenceIndividualStringBuilder.append(keySetString + "=" + trimValue + MANYFALSE
+                            + DESCRIPTION_TOKEN + keyValues.get(DESCRIPTION_KEY));
+                    referenceStringBuilder.append(referenceIndividualStringBuilder + ",");
+                } else {
+                    logger.info("keyValues.get(type) is null/empty");
+                }
+
+            }
+            if (constraints != null && !constraints.isEmpty()) {
+                // List handling.
+                listBuffer.append(keySetString.toUpperCase() + "=[");
+                for (String str : constraints) {
+                    if (str.contains(DICTIONARY)) {
+                        String[] dictionaryName = str.split(":");
+                        List<Object> dictFromDB =
+                                commonClassDao.getDataById(DictionaryData.class, DICTIONARYNAME, dictionaryName[1]);
+                        if (dictFromDB != null && !dictFromDB.isEmpty()) {
+                            DictionaryData data = (DictionaryData) dictFromDB.get(0);
+                            str = DICTIONARY + data.getDictionaryUrl() + "@" + data.getDictionaryDataByName();
+                        }
+                    }
+                    listBuffer.append(str + ",");
+                }
+                listBuffer.append("]#");
+                logger.info(listBuffer);
+
+
+                StringBuilder referenceIndividualStringBuilder = new StringBuilder();
+                referenceIndividualStringBuilder.append(keySetString + "=" + keySetString.toUpperCase() + MANYFALSE);
+                referenceStringBuilder.append(referenceIndividualStringBuilder + ",");
+                constraints.clear();
+            }
+        }
+
+        dataListBuffer.append(listBuffer);
+
+
+        logger.info("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
+        logger.info("Whole attribute String is:" + attributeStringBuilder);
+        logger.info("Whole reference String is:" + referenceStringBuilder);
+        logger.info("List String is:" + listBuffer);
+        logger.info("Data list buffer is:" + dataListBuffer);
+        logger.info("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
+
+        this.listConstraints = dataListBuffer.toString();
+        this.referenceAttributes = referenceStringBuilder.toString();
+        this.attributeString = attributeStringBuilder.toString();
+    }
+
+    @SuppressWarnings("unchecked")
+    private void findNode(LinkedHashMap<Object, Object> map) {
+
+        map.forEach((key, value) -> {
+            // if the value is properties and its type is map object, then save all the keys
+            if (key.equals(PROPERTIES_KEY) && value instanceof Map) {
+                saveNodes((LinkedHashMap<?, ?>) value);
+                if (isDuplicatedAttributes) {
+                    orderedElements = new ArrayList<>();
+                    return;
+                }
+            }
+
+            if (!"policy.nodes.Root".equals(key) && value instanceof Map) {
+                // value is a Map object, then make a recursive call
+                findNode((LinkedHashMap<Object, Object>) value);
+            }
+        });
+
+    }
+
+    private void saveNodes(LinkedHashMap<?, ?> map) {
+
+        for (Entry<?, ?> entry : map.entrySet()) {
+
+            if (orderedElements.indexOf(entry.getKey()) >= 0) { // duplicated attribute names
+                isDuplicatedAttributes = true;
+                return;
+            } else {
+                orderedElements.add((String) entry.getKey());
+            }
+        }
+    }
+
+    public String getAttributeString() {
+        return attributeString;
+    }
+
+    public void setAttributeString(String attributeString) {
+        this.attributeString = attributeString;
+    }
+
+    public LinkedHashMap<String, Object> getRetmap() {
+        return retmap;
+    }
+
+    public void setRetmap(LinkedHashMap<String, Object> retmap) {
+        this.retmap = retmap;
+    }
+
+    public Map<String, String> getMatchableValues() {
+        return matchableValues;
+    }
+
+    public void setMatchableValues(Map<String, String> matchableValues) {
+        this.matchableValues = matchableValues;
+    }
+
+    public String getReferenceAttributes() {
+        return referenceAttributes;
+    }
+
+    public void setReferenceAttributes(String referenceAttributes) {
+        this.referenceAttributes = referenceAttributes;
+    }
+
+    public String getListConstraints() {
+        return listConstraints;
+    }
+
+    public void setListConstraints(String listConstraints) {
+        this.listConstraints = listConstraints;
+    }
+
+    public String getDataOrderInfo() {
+        return dataOrderInfo;
+    }
+
+    public void setDataOrderInfo(String dataOrderInfo) {
+        this.dataOrderInfo = dataOrderInfo;
+    }
+
+    public String getJsonRuleFormation() {
+        return jsonRuleFormation;
+    }
+
+    public void setJsonRuleFormation(String jsonRuleFormation) {
+        this.jsonRuleFormation = jsonRuleFormation;
+    }
+
+}