ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/CreateNewMicroServiceModel.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP-PAP-REST
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.policy.pap.xacml.rest.components;
  22
  23 import java.io.BufferedInputStream;
  24 import java.io.BufferedOutputStream;
  25 import java.io.File;
  26 import java.io.FileOutputStream;
  27 import java.io.IOException;
  28 import java.util.ArrayList;
  29 import java.util.Arrays;
  30 import java.util.Enumeration;
  31 import java.util.HashMap;
  32 import java.util.LinkedHashMap;
  33 import java.util.List;
  34 import java.util.Map;
  35 import java.util.zip.ZipEntry;
  36 import java.util.zip.ZipFile;
  37
  38 import org.apache.commons.io.FileUtils;
  39 import org.apache.commons.lang.StringUtils;
  40 import org.onap.policy.common.logging.eelf.MessageCodes;
  41 import org.onap.policy.common.logging.eelf.PolicyLogger;
  42 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  43 import org.onap.policy.common.logging.flexlogger.Logger;
  44 import org.onap.policy.pap.xacml.rest.XACMLPapServlet;
  45 import org.onap.policy.pap.xacml.rest.daoimpl.CommonClassDaoImpl;
  46 import org.onap.policy.rest.jpa.MicroServiceModels;
  47 import org.onap.policy.rest.jpa.UserInfo;
  48 import org.onap.policy.rest.util.MSAttributeObject;
  49 import org.onap.policy.rest.util.MSModelUtils;
  50 import org.onap.policy.rest.util.MSModelUtils.MODEL_TYPE;
  51
  52 import com.google.gson.Gson;
  53
  54 public class CreateNewMicroServiceModel {
  55     private static final Logger logger = FlexLogger.getLogger(CreateNewMicroServiceModel.class);
  56     private MicroServiceModels newModel = null;
  57     private HashMap<String,MSAttributeObject > classMap = new HashMap<>();
  58
  59
  60     private MSModelUtils utils = new MSModelUtils(XACMLPapServlet.getMsOnapName(), XACMLPapServlet.getMsPolicyName());
  61
  62     public CreateNewMicroServiceModel(String fileName, String serviceName, String string, String version) {
  63         super();
  64     }
  65
  66     public CreateNewMicroServiceModel(String importFile, String  modelName, String description, String version, String randomID) {
  67
  68         this.newModel = new MicroServiceModels();
  69         this.newModel.setVersion(version);
  70         this.newModel.setModelName(modelName);
  71         UserInfo userInfo = new UserInfo();
  72         userInfo.setUserLoginId("API");
  73         this.newModel.setUserCreatedBy(userInfo);
  74         String cleanUpFile = null;
  75
  76         Map<String, MSAttributeObject> tempMap = new HashMap<>();
  77         //Need to delete the file
  78         if (importFile.contains(".zip")){
  79             extractFolder(randomID + ".zip");
  80             File directory = new File("ExtractDir" + File.separator + randomID);
  81             List<File> fileList = listModelFiles(directory.toString());
  82             //get all the files from a director
  83             processFiles(modelName, fileList);
  84             doCleanUpFiles(randomID);
  85         }else {
  86             if(importFile.contains(".yml")){
  87
  88                 processYmlModel("ExtractDir" + File.separator + randomID+".yml", modelName);
  89                 cleanUpFile = "ExtractDir" + File.separator + randomID+".yml";
  90
  91             }else{
  92                 tempMap = utils.processEpackage("ExtractDir" + File.separator + randomID+".xmi", MODEL_TYPE.XMI);
  93                 classMap.putAll(tempMap);
  94                 cleanUpFile = "ExtractDir" + File.separator + randomID+".xmi";
  95             }
  96
  97             File deleteFile = new File(cleanUpFile);
  98             deleteFile.delete();
  99         }
 100     }
 101
 102     private void processFiles(String modelName, List<File> fileList) {
 103         Map<String, MSAttributeObject> tempMap;
 104         for (File file : fileList){
 105             if (file.isFile()){
 106                 int i = file.getName().lastIndexOf('.');
 107                 String type = file.getName().substring(i+1);
 108
 109                 if("yml".equalsIgnoreCase(type)){
 110
 111                     processYmlModel(file.toString(), modelName);
 112
 113                 }else{
 114
 115                     tempMap = utils.processEpackage(file.getAbsolutePath(), MODEL_TYPE.XMI);
 116                     classMap.putAll(tempMap);
 117                 }
 118             }
 119         }
 120     }
 121
 122     private void doCleanUpFiles(String randomID) {
 123         String cleanUpFile;
 124         cleanUpFile = "ExtractDir" + File.separator + randomID + ".zip";
 125         try {
 126             FileUtils.deleteDirectory(new File("ExtractDir" + File.separator + randomID));
 127             FileUtils.deleteDirectory(new File(randomID));
 128             File deleteFile = new File(cleanUpFile);
 129             FileUtils.forceDelete(deleteFile);
 130         } catch (IOException e) {
 131             logger.error("Failed to unzip model file " + randomID, e);
 132         }
 133     }
 134
 135     private void processYmlModel(String fileName, String  modelName){
 136
 137         try {
 138
 139
 140             utils.parseTosca(fileName);
 141
 142             MSAttributeObject msAttributes= new MSAttributeObject();
 143             msAttributes.setClassName(modelName);
 144
 145             LinkedHashMap<String, String> returnAttributeList =new LinkedHashMap<>();
 146             returnAttributeList.put(modelName, utils.getAttributeString());
 147             msAttributes.setAttribute(returnAttributeList);
 148
 149             msAttributes.setSubClass(utils.getRetmap());
 150
 151             msAttributes.setMatchingSet(utils.getMatchableValues());
 152
 153             LinkedHashMap<String, String> returnReferenceList =new LinkedHashMap<>();
 154
 155             returnReferenceList.put(modelName, utils.getReferenceAttributes());
 156             msAttributes.setRefAttribute(returnReferenceList);
 157
 158             if(!PolicyDBDao.isNullOrEmpty(utils.getListConstraints())){
 159                 LinkedHashMap<String, String> enumList =new LinkedHashMap<>();
 160                 String[] listArray=utils.getListConstraints().split("#");
 161                 for(String str:listArray){
 162                     String[] strArr= str.split("=");
 163                     if(strArr.length>1){
 164                         enumList.put(strArr[0], strArr[1]);
 165                     }
 166                 }
 167                 msAttributes.setEnumType(enumList);
 168             }
 169
 170             classMap=new LinkedHashMap<>();
 171             classMap.put(modelName, msAttributes);
 172
 173         } catch (Exception e) {
 174             logger.error("Failed to process yml model" + e);
 175         }
 176
 177     }
 178
 179     private List<File> listModelFiles(String directoryName) {
 180         File directory = new File(directoryName);
 181         List<File> resultList = new ArrayList<>();
 182         File[] fList = directory.listFiles();
 183         for (File file : fList) {
 184             if (file.isFile()) {
 185                 resultList.add(file);
 186             } else if (file.isDirectory()) {
 187                 resultList.addAll(listModelFiles(file.getAbsolutePath()));
 188             }
 189         }
 190         return resultList;
 191     }
 192
 193     @SuppressWarnings("rawtypes")
 194     private void extractFolder(String zipFile) {
 195         int BUFFER = 2048;
 196         File file = new File(zipFile);
 197
 198         try(ZipFile zip = new ZipFile("ExtractDir" + File.separator +file)) {
 199
 200             String newPath =  zipFile.substring(0, zipFile.length() - 4);
 201             new File(newPath).mkdir();
 202             Enumeration zipFileEntries = zip.entries();
 203
 204             // Process each entry
 205             while (zipFileEntries.hasMoreElements()){
 206                 // grab a zip file entry
 207                 ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
 208                 String currentEntry = entry.getName();
 209                 File destFile = new File("ExtractDir" + File.separator + newPath + File.separator + currentEntry);
 210                 File destinationParent = destFile.getParentFile();
 211
 212                 destinationParent.mkdirs();
 213
 214                 if (!entry.isDirectory()){
 215                     BufferedInputStream is = new BufferedInputStream(zip
 216                     .getInputStream(entry));
 217                     int currentByte;
 218
 219                     byte data[] = new byte[BUFFER];
 220                     try(FileOutputStream fos = new FileOutputStream(destFile);
 221                         BufferedOutputStream dest = new BufferedOutputStream(fos, BUFFER)) {
 222
 223                         while ((currentByte = is.read(data, 0, BUFFER)) != -1) {
 224                             dest.write(data, 0, currentByte);
 225                         }
 226                         dest.flush();
 227                     }
 228                     is.close();
 229                 }
 230
 231                 if (currentEntry.endsWith(".zip")){
 232                     extractFolder(destFile.getAbsolutePath());
 233                 }
 234             }
 235         } catch (IOException e) {
 236             logger.error("Failed to unzip model file " + zipFile + e);
 237         }
 238     }
 239
 240     public Map<String, String> addValuesToNewModel(String type) {
 241
 242         Map<String, String> successMap = new HashMap<>();
 243         MSAttributeObject mainClass  = null;
 244         List<String> dependency = null;
 245         String subAttribute = null;
 246
 247         if (!classMap.containsKey(this.newModel.getModelName())){
 248             logger.error("Model Provided does not contain the service name provided in request. Unable to import new model");
 249             PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE, "AddValuesToNewModel", "Unable to pull out required values, file missing service name provided in request");
 250             successMap.put("error", "MISSING");
 251             return successMap;
 252         }
 253         mainClass = classMap.get(this.newModel.getModelName());
 254
 255
 256         if(".yml".equalsIgnoreCase(type)){
 257
 258             newModel.setDependency("[]");
 259             if(mainClass.getSubClass() != null){
 260                String value = new Gson().toJson(mainClass.getSubClass());
 261                newModel.setSub_attributes(value);
 262             }
 263
 264             if(mainClass.getAttribute() != null){
 265                 String attributes= mainClass.getAttribute().toString().replace("{", "").replace("}", "");
 266                 int equalsIndexForAttributes= attributes.indexOf("=");
 267                 String atttributesAfterFirstEquals= attributes.substring(equalsIndexForAttributes+1);
 268                 this.newModel.setAttributes(atttributesAfterFirstEquals);
 269             }
 270
 271             if(mainClass.getRefAttribute() != null){
 272                 String refAttributes= mainClass.getRefAttribute().toString().replace("{", "").replace("}", "");
 273                 int equalsIndex= refAttributes.indexOf("=");
 274                 String refAttributesAfterFirstEquals= refAttributes.substring(equalsIndex+1);
 275                 this.newModel.setRef_attributes(refAttributesAfterFirstEquals);
 276             }
 277
 278             if(mainClass.getEnumType() != null){
 279                 this.newModel.setEnumValues(mainClass.getEnumType().toString().replace("{", "").replace("}", ""));
 280             }
 281
 282             if(mainClass.getMatchingSet() != null){
 283                 this.newModel.setAnnotation(mainClass.getMatchingSet().toString().replace("{", "").replace("}", ""));
 284             }
 285
 286         }else{
 287
 288             String dependTemp = StringUtils.replaceEach(mainClass.getDependency(), new String[]{"[", "]", " "}, new String[]{"", "", ""});
 289             this.newModel.setDependency(dependTemp);
 290             if (this.newModel.getDependency() != null && !this.newModel.getDependency().isEmpty()){
 291                 dependency = new ArrayList<String>(Arrays.asList(dependTemp.split(",")));
 292                 dependency = utils.getFullDependencyList(dependency, classMap);
 293                 if (!dependency.isEmpty()){
 294                     for (String element : dependency){
 295                         MSAttributeObject temp = new MSAttributeObject();
 296                         if (classMap.containsKey(element)){
 297                             temp = classMap.get(element);
 298                             mainClass.addAllRefAttribute(temp.getRefAttribute());
 299                             mainClass.addAllAttribute(temp.getAttribute());
 300                         }
 301                     }
 302                 }
 303             }
 304             subAttribute = utils.createSubAttributes(dependency, classMap, this.newModel.getModelName());
 305
 306             this.newModel.setSub_attributes(subAttribute);
 307             if(mainClass.getAttribute() != null && !mainClass.getAttribute().isEmpty()){
 308                 this.newModel.setAttributes(mainClass.getAttribute().toString().replace("{", "").replace("}", ""));
 309             }
 310
 311             if(mainClass.getRefAttribute() != null && !mainClass.getRefAttribute().isEmpty()){
 312                this.newModel.setRef_attributes(mainClass.getRefAttribute().toString().replace("{", "").replace("}", ""));
 313             }
 314
 315             if(mainClass.getEnumType() != null && !mainClass.getEnumType().isEmpty()){
 316                 this.newModel.setEnumValues(mainClass.getEnumType().toString().replace("{", "").replace("}", ""));
 317             }
 318
 319             if(mainClass.getMatchingSet() != null && !mainClass.getMatchingSet().isEmpty()){
 320                 this.newModel.setAnnotation(mainClass.getMatchingSet().toString().replace("{", "").replace("}", ""));
 321             }
 322         }
 323         successMap.put("success", "success");
 324         return successMap;
 325
 326     }
 327
 328     public Map<String, String> saveImportService(){
 329         String modelName = this.newModel.getModelName();
 330         String imported_by = "API";
 331         String version = this.newModel.getVersion();
 332         Map<String, String> successMap = new HashMap<>();
 333         CommonClassDaoImpl dbConnection = new CommonClassDaoImpl();
 334         List<Object> result = dbConnection.getDataById(MicroServiceModels.class, "modelName:version", modelName+":"+version);
 335         if(result.isEmpty()){
 336             MicroServiceModels model = new MicroServiceModels();
 337             model.setModelName(modelName);
 338             model.setVersion(version);
 339             model.setAttributes(this.newModel.getAttributes());
 340             model.setAnnotation(this.newModel.getAnnotation());
 341             model.setDependency(this.newModel.getDependency());
 342             model.setDescription(this.newModel.getDescription());
 343             model.setEnumValues(this.newModel.getEnumValues());
 344             model.setRef_attributes(this.newModel.getRef_attributes());
 345             model.setSub_attributes(this.newModel.getSub_attributes());
 346             model.setDataOrderInfo(this.newModel.getDataOrderInfo());
 347             UserInfo userInfo = new UserInfo();
 348             userInfo.setUserLoginId(imported_by);
 349             userInfo.setUserName(imported_by);
 350             model.setUserCreatedBy(userInfo);
 351             dbConnection.save(model);
 352             successMap.put("success", "success");
 353         }else{
 354             successMap.put("DBError", "EXISTS");
 355             logger.error("Import new service failed.  Service already exists");
 356         }
 357         return successMap;
 358     }
 359 }