[POLICY-73] replace openecomp for policy-engine
[policy/engine.git] / ONAP-REST / src / main / java / org / onap / policy / rest / util / MSModelUtils.java
diff --git a/ONAP-REST/src/main/java/org/onap/policy/rest/util/MSModelUtils.java b/ONAP-REST/src/main/java/org/onap/policy/rest/util/MSModelUtils.java
new file mode 100644 (file)
index 0000000..fa2c51d
--- /dev/null
@@ -0,0 +1,701 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP-REST
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.rest.util;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.apache.commons.lang.StringUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.common.util.EMap;
+import org.eclipse.emf.common.util.Enumerator;
+import org.eclipse.emf.common.util.TreeIterator;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.EAnnotation;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EClassifier;
+import org.eclipse.emf.ecore.EEnum;
+import org.eclipse.emf.ecore.EEnumLiteral;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+import org.eclipse.emf.ecore.EStructuralFeature;
+import org.eclipse.emf.ecore.impl.EAttributeImpl;
+import org.eclipse.emf.ecore.impl.EEnumImpl;
+import org.eclipse.emf.ecore.resource.Resource;
+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 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:";
+       
+       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 HashMap<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 = null;
+               String returnValue = null;
+
+               //    Pulling out dependency from file
+               while (treeItr.hasNext()) {         
+                       EObject obj = (EObject) 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, className).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, "matching-true");
+                               }
+                               for (  Entry<String, String> eSet : listRef.entrySet()){
+                                       String key3 = eSet.getKey();
+                                       tempAttribute.put(key3, "matching-true");
+                               }
+
+                       }
+                       UpdateMatching(tempAttribute, key);
+               }
+
+       }
+
+
+
+       private void UpdateMatching(HashMap<String, String> tempAttribute, String key) {
+               Map<String, MSAttributeObject> newClass = null;
+
+               newClass = classMap;
+
+               for (Entry<String, MSAttributeObject> updateClass :  newClass.entrySet()){
+                       HashMap<String, String> valueMap = updateClass.getValue().getMatchingSet();
+                       String keymap = updateClass.getKey();
+                       if (valueMap.containsKey(key)){
+                               HashMap<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.EMPTY_MAP);
+               } catch (IOException e) {
+                       logger.error("Error loading Encore Resource for new Model" + e);
+               }
+
+               EPackage root = (EPackage) resource.getContents().get(0);
+
+               return root;
+       }
+
+       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<String>(Arrays.asList(dependency.split(",")));
+               }
+               MSAttributeObject msAttributeObject = new MSAttributeObject();
+               msAttributeObject.setClassName(className);
+               String extendClass = getSubTypes(root, className);
+               HashMap<String, String> returnRefList = getRefAttributeList(root, className, extendClass);
+               HashMap<String, String> returnAttributeList = getAttributeList(root, className, extendClass);
+               HashMap<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  = null;
+               String range   = null;
+               String dictionary = null;
+
+               //    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().size() != 0) {
+                                               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);
+                                               }
+                                               dictionary = annotationValue(eStrucClassifier, ANNOTATION_TYPE.DICTIONARY, policy);
+                                               if (dictionary!=null){
+                                                       annotationSet.put(eStrucClassifier.getName(), dictionary);
+                                               }
+                                       }
+                               }
+                       } else if (requiredMatchAttribute){
+                               if (obj instanceof EStructuralFeature) {
+                                       EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
+                                       if (eStrucClassifier.getEAnnotations().size() != 0) {
+                                               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 HashMap<String, Object> getSubAttributeList(EPackage root, String className , String superClass) {
+               TreeIterator<EObject> treeItr = root.eAllContents();
+               boolean requiredAttribute = false; 
+               HashMap<String, Object> subAttribute = new HashMap<String, Object>();
+               int rollingCount = 0;
+               int processClass = 0;
+               boolean annotation = false;
+
+               //    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)   {
+                               if (obj instanceof EStructuralFeature) {
+                                       EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
+                                       if (eStrucClassifier.getEAnnotations().size() != 0) {
+                                               annotation = annotationTest(eStrucClassifier, configuration, onap);
+                                               if (annotation &&  obj instanceof EReference) {
+                                                       EClass refType = ((EReference) obj).getEReferenceType();
+                                                       if(!refType.toString().contains(eProxyURI)){
+                                                               subAttribute.put(eStrucClassifier.getName(), refType.getName());                                                
+                                                       }
+                                               }       
+                                       }
+                               }
+                       }
+               }
+               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 ":required-true";
+                       }
+               }
+
+               return ":required-false";
+       }
+
+       public JSONObject buildJavaObject(HashMap<String, String> map, String attributeType){
+
+               JSONObject returnValue = new JSONObject(map);
+
+               return returnValue;
+
+       }
+
+       public HashMap<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 = false;
+               //    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)   {
+                               if (obj instanceof EStructuralFeature) {
+                                       EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
+                                       if (eStrucClassifier.getEAnnotations().size() != 0) {
+                                               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());
+                                                               refAttribute.put(eStrucClassifier.getName(), refType.getName() + array);
+                                                       }
+                                               } else if (annotation &&  obj instanceof EAttributeImpl){
+                                                       EClassifier refType = ((EAttributeImpl) obj).getEType();
+                                                       if (refType instanceof EEnumImpl){
+                                                               String array = arrayCheck(((EStructuralFeature) obj).getUpperBound());
+                                                               refAttribute.put(eStrucClassifier.getName(), refType.getName() + array);                                                        }
+                                               }       
+                                       }
+                               }
+                       }
+               }
+               return refAttribute;
+       }
+
+       private boolean annotationTest(EStructuralFeature eStrucClassifier, String annotation, String type) {
+               String annotationType = null;
+               EAnnotation eAnnotation = null;
+               String onapType = null;
+               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).getValue();
+                       onapValue = eAnnotation.getDetails().get(0).getKey();
+                       if (annotationType.contains(type) && onapType.contains(annotation)){
+                               return true;
+                       } else if (annotationType.contains(type) && onapValue.contains(annotation)){
+                               return true;
+                       }
+               }
+
+               return false;
+       }
+
+
+       private String annotationValue(EStructuralFeature eStrucClassifier, ANNOTATION_TYPE annotation, String type) {
+               String annotationType = null;
+               EAnnotation eAnnotation = null;
+               String onapType = null;
+               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();
+               workingClass.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 HashMap<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 = false;
+               boolean dictionaryTest = false;
+               String defaultValue = null;
+               String eType = null;
+
+               //    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){
+                               if (obj instanceof EStructuralFeature) {
+                                       EStructuralFeature eStrucClassifier = (EStructuralFeature) obj;
+                                       if (eStrucClassifier.getEAnnotations().size() != 0) {
+                                               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 ":MANY-true";
+               }
+
+               return ":MANY-false";
+       }
+
+       public List<String> getDependencyList(EClassifier eClassifier, String className){
+               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(HashMap<String, String> subClassAttributes, HashMap<String, MSAttributeObject> classMap, String className){
+               Map<String, String> missingValues = new HashMap<>();
+               Map<String, String> workingMap = new HashMap<>();
+               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, HashMap<String, String>> recursiveReference(HashMap<String, MSAttributeObject> classMap, String className){
+
+               Map<String, HashMap<String, String>> returnObject = new HashMap<>();
+               HashMap<String, String> returnClass = getRefclass(classMap, className);
+               returnObject.put(className, returnClass);
+               for (Entry<String, String> reAttribute :returnClass.entrySet()){
+                       if (reAttribute.getValue().split(":")[1].contains("MANY")){
+                               if (classMap.get(reAttribute.getValue().split(":")[0]) != null){
+                                       returnObject.putAll(recursiveReference(classMap, reAttribute.getValue().split(":")[0]));
+                               }
+                       }
+
+               }
+
+               return returnObject;
+
+       }
+
+       public String createJson(HashMap<String, Object> subClassAttributes, HashMap<String, MSAttributeObject> classMap, String className) { 
+               boolean enumType;
+               Map<String, HashMap<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){
+                                       if (map.getValue().split(":")[1].contains("MANY")){
+                                               Map<String, HashMap<String, String>> testRecursive = recursiveReference(classMap, map.getValue().split(":")[0] );
+                                               myObject.putAll(testRecursive);
+                                       }
+                               }
+                       }
+               }
+
+               Gson gson = new Gson(); 
+               String json = gson.toJson(myObject); 
+
+               return json;            
+       }
+
+       public HashMap<String, String> getRefclass(HashMap<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(ArrayList<String> dependency, HashMap<String, MSAttributeObject> classMap, String modelName) {
+
+               HashMap <String,  Object>  workingMap = new HashMap<>();
+               MSAttributeObject tempObject = new MSAttributeObject();
+               if (dependency!=null){
+                       if (dependency.size()==0){
+                               return "{}";
+                       }       
+                       dependency.add(modelName);
+                       for (String element: dependency){
+                               tempObject = classMap.get(element);
+                               if (tempObject!=null){
+                                       workingMap.putAll(classMap.get(element).getSubClass());
+                               }
+                       }
+               }
+
+               String returnValue = createJson(workingMap, classMap, modelName);                       
+               return returnValue;
+       }
+
+       public ArrayList<String> getFullDependencyList(ArrayList<String> dependency, HashMap<String,MSAttributeObject > classMap) {
+               ArrayList<String> returnList = new ArrayList<>();
+               ArrayList<String> workingList = new ArrayList<>();
+               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<String>(Arrays.asList(rawValue.split(",")));        
+                               for(String depend : workingList){
+                                       if (!returnList.contains(depend) && !depend.isEmpty()){
+                                               returnList.add(depend.trim());
+                                       }
+                               }
+                       }
+               }
+
+               return returnList;
+       }
+}