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

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP-PAP-REST
   4  * ================================================================================
   5  * Copyright (C) 2018 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.Enumeration;
  30 import java.util.HashMap;
  31 import java.util.LinkedHashMap;
  32 import java.util.List;
  33 import java.util.Map;
  34 import java.util.zip.ZipEntry;
  35 import java.util.zip.ZipFile;
  36
  37 import org.apache.commons.io.FileUtils;
  38 import org.onap.policy.common.logging.eelf.MessageCodes;
  39 import org.onap.policy.common.logging.eelf.PolicyLogger;
  40 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  41 import org.onap.policy.common.logging.flexlogger.Logger;
  42 import org.onap.policy.pap.xacml.rest.XACMLPapServlet;
  43 import org.onap.policy.pap.xacml.rest.daoimpl.CommonClassDaoImpl;
  44 import org.onap.policy.rest.jpa.OptimizationModels;
  45 import org.onap.policy.rest.jpa.UserInfo;
  46 import org.onap.policy.rest.util.MSAttributeObject;
  47 import org.onap.policy.rest.util.MSModelUtils;
  48 import org.onap.policy.rest.util.MSModelUtils.MODEL_TYPE;
  49
  50 import com.google.gson.Gson;
  51
  52 public class CreateNewOptimizationModel {
  53     private static final Logger logger = FlexLogger.getLogger(CreateNewOptimizationModel.class);
  54     private OptimizationModels newModel = null;
  55     private HashMap<String,MSAttributeObject > classMap = new HashMap<>();
  56
  57     private static final String EXTRACTDIR = "ExtractDir";
  58     private static final String SUCCESS = "success";
  59
  60
  61     MSModelUtils utils = new MSModelUtils(XACMLPapServlet.getMsOnapName(), XACMLPapServlet.getMsPolicyName());
  62
  63     public CreateNewOptimizationModel() {
  64         super();
  65     }
  66
  67     public CreateNewOptimizationModel(String importFile, String  modelName, String description, String version, String randomID) {
  68
  69         this.newModel = new OptimizationModels();
  70         this.newModel.setVersion(version);
  71         this.newModel.setModelName(modelName);
  72         this.newModel.setDescription(description);
  73         UserInfo userInfo = new UserInfo();
  74         userInfo.setUserLoginId("API");
  75         this.newModel.setUserCreatedBy(userInfo);
  76         String cleanUpFile = null;
  77
  78         Map<String, MSAttributeObject> tempMap = new HashMap<>();
  79         //Need to delete the file
  80         if (importFile.contains(".zip")){
  81             extractFolder(randomID + ".zip");
  82             File directory = new File(EXTRACTDIR + File.separator + randomID);
  83             List<File> fileList = listModelFiles(directory.toString());
  84             //get all the files from a director
  85             for (File file : fileList){
  86                 if (file.isFile()){
  87                     processYmlModel(file.toString(), modelName);
  88                 }
  89             }
  90             cleanUpFile = EXTRACTDIR + File.separator + randomID + ".zip";
  91             try {
  92                 FileUtils.deleteDirectory(new File(EXTRACTDIR + File.separator + randomID));
  93                 FileUtils.deleteDirectory(new File(randomID));
  94                 File deleteFile = new File(cleanUpFile);
  95                 FileUtils.forceDelete(deleteFile);
  96             } catch (IOException e) {
  97                 logger.error("Failed to unzip model file " + randomID, e);
  98             }
  99         }else {
 100             if(importFile.contains(".yml")){
 101
 102                 processYmlModel(EXTRACTDIR + File.separator + randomID+".yml", modelName);
 103                 cleanUpFile = EXTRACTDIR + File.separator + randomID+".yml";
 104
 105             }else{
 106                 tempMap = utils.processEpackage(EXTRACTDIR + File.separator + randomID+".xmi", MODEL_TYPE.XMI);
 107                 classMap.putAll(tempMap);
 108                 cleanUpFile = EXTRACTDIR + File.separator + randomID+".xmi";
 109             }
 110             File deleteFile = new File(cleanUpFile);
 111             deleteFile.delete();
 112         }
 113     }
 114
 115     private void processYmlModel(String fileName, String  modelName){
 116
 117         try {
 118
 119             utils.parseTosca(fileName);
 120
 121             MSAttributeObject msAttributes= new MSAttributeObject();
 122             msAttributes.setClassName(modelName);
 123
 124             LinkedHashMap<String, String> returnAttributeList =new LinkedHashMap<>();
 125             returnAttributeList.put(modelName, utils.getAttributeString());
 126             msAttributes.setAttribute(returnAttributeList);
 127
 128             msAttributes.setSubClass(utils.getRetmap());
 129
 130             msAttributes.setMatchingSet(utils.getMatchableValues());
 131
 132             LinkedHashMap<String, String> returnReferenceList =new LinkedHashMap<>();
 133
 134             returnReferenceList.put(modelName, utils.getReferenceAttributes());
 135             msAttributes.setRefAttribute(returnReferenceList);
 136
 137             if(!"".equals(utils.getListConstraints())){
 138                 LinkedHashMap<String, String> enumList =new LinkedHashMap<>();
 139                 String[] listArray=utils.getListConstraints().split("#");
 140                 for(String str:listArray){
 141                     String[] strArr= str.split("=");
 142                     if(strArr.length>1){
 143                         enumList.put(strArr[0], strArr[1]);
 144                     }
 145                 }
 146                 msAttributes.setEnumType(enumList);
 147             }
 148
 149             classMap=new LinkedHashMap<>();
 150             classMap.put(modelName, msAttributes);
 151
 152         } catch (Exception e) {
 153             logger.error("Failed to process yml model" + e);
 154         }
 155
 156     }
 157
 158     private List<File> listModelFiles(String directoryName) {
 159         File directory = new File(directoryName);
 160         List<File> resultList = new ArrayList<>();
 161         File[] fList = directory.listFiles();
 162         for (File file : fList) {
 163             if (file.isFile()) {
 164                 resultList.add(file);
 165             } else if (file.isDirectory()) {
 166                 resultList.addAll(listModelFiles(file.getAbsolutePath()));
 167             }
 168         }
 169         return resultList;
 170     }
 171
 172     @SuppressWarnings("rawtypes")
 173     private void extractFolder(String zipFile) {
 174         int buffer = 2048;
 175         File file = new File(zipFile);
 176
 177         try(ZipFile zip = new ZipFile(EXTRACTDIR + File.separator +file);){
 178             String newPath =  zipFile.substring(0, zipFile.length() - 4);
 179             new File(newPath).mkdir();
 180             Enumeration zipFileEntries = zip.entries();
 181
 182             // Process each entry
 183             while (zipFileEntries.hasMoreElements()){
 184                 // grab a zip file entry
 185                 ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
 186                 String currentEntry = entry.getName();
 187                 File destFile = new File(EXTRACTDIR + File.separator + newPath + File.separator + currentEntry);
 188                 File destinationParent = destFile.getParentFile();
 189
 190                 destinationParent.mkdirs();
 191
 192                 if (!entry.isDirectory()){
 193                     int currentByte;
 194
 195                     byte[] data = new byte[buffer];
 196                     try(FileOutputStream fos = new FileOutputStream(destFile);
 197                             BufferedInputStream is = new BufferedInputStream(zip.getInputStream(entry));
 198                                 BufferedOutputStream dest = new BufferedOutputStream(fos, buffer)) {
 199
 200                         while ((currentByte = is.read(data, 0, buffer)) != -1) {
 201                             dest.write(data, 0, currentByte);
 202                         }
 203                         dest.flush();
 204                     }
 205                 }
 206
 207                 if (currentEntry.endsWith(".zip")){
 208                     extractFolder(destFile.getAbsolutePath());
 209                 }
 210             }
 211         } catch (IOException e) {
 212             logger.error("Failed to unzip model file " + zipFile + e);
 213         }
 214     }
 215
 216     public Map<String, String> addValuesToNewModel() {
 217
 218         Map<String, String> successMap = new HashMap<>();
 219         MSAttributeObject mainClass;
 220
 221         if (!classMap.containsKey(this.newModel.getModelName())){
 222             logger.error("Model Provided does not contain the service name provided in request. Unable to import new model");
 223             PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE, "AddValuesToNewModel", "Unable to pull out required values, file missing service name provided in request");
 224             successMap.put("error", "MISSING");
 225             return successMap;
 226         }
 227         mainClass = classMap.get(this.newModel.getModelName());
 228         newModel.setDependency("[]");
 229         if(mainClass.getSubClass() != null){
 230            String value = new Gson().toJson(mainClass.getSubClass());
 231            newModel.setSubattributes(value);
 232         }
 233
 234         if(mainClass.getAttribute() != null){
 235             String attributes= mainClass.getAttribute().toString().replace("{", "").replace("}", "");
 236             int equalsIndexForAttributes= attributes.indexOf('=');
 237             String atttributesAfterFirstEquals= attributes.substring(equalsIndexForAttributes+1);
 238             this.newModel.setAttributes(atttributesAfterFirstEquals);
 239         }
 240
 241         if(mainClass.getRefAttribute() != null){
 242             String refAttributes= mainClass.getRefAttribute().toString().replace("{", "").replace("}", "");
 243             int equalsIndex= refAttributes.indexOf('=');
 244             String refAttributesAfterFirstEquals= refAttributes.substring(equalsIndex+1);
 245             this.newModel.setRefattributes(refAttributesAfterFirstEquals);
 246         }
 247
 248         if(mainClass.getEnumType() != null){
 249             this.newModel.setEnumValues(mainClass.getEnumType().toString().replace("{", "").replace("}", ""));
 250         }
 251
 252         if(mainClass.getMatchingSet() != null){
 253             this.newModel.setAnnotation(mainClass.getMatchingSet().toString().replace("{", "").replace("}", ""));
 254         }
 255
 256         successMap.put(SUCCESS, SUCCESS);
 257         return successMap;
 258
 259     }
 260
 261     public Map<String, String> saveImportService(){
 262         String modelName = this.newModel.getModelName();
 263         String importedBy = "API";
 264         String version = this.newModel.getVersion();
 265         Map<String, String> successMap = new HashMap<>();
 266         CommonClassDaoImpl dbConnection = new CommonClassDaoImpl();
 267         List<Object> result = dbConnection.getDataById(OptimizationModels.class, "modelName:version", modelName+":"+version);
 268         if(result.isEmpty()){
 269             OptimizationModels model = new OptimizationModels();
 270             model.setModelName(modelName);
 271             model.setVersion(version);
 272             model.setAttributes(this.newModel.getAttributes());
 273             model.setAnnotation(this.newModel.getAnnotation());
 274             model.setDependency(this.newModel.getDependency());
 275             model.setDescription(this.newModel.getDescription());
 276             model.setEnumValues(this.newModel.getEnumValues());
 277             model.setRefattributes(this.newModel.getRefattributes());
 278             model.setSubattributes(this.newModel.getSubattributes());
 279             model.setDataOrderInfo(this.newModel.getDataOrderInfo());
 280             UserInfo userInfo = new UserInfo();
 281             userInfo.setUserLoginId(importedBy);
 282             userInfo.setUserName(importedBy);
 283             model.setUserCreatedBy(userInfo);
 284             dbConnection.save(model);
 285             successMap.put(SUCCESS, SUCCESS);
 286         }else{
 287             successMap.put("DBError", "EXISTS");
 288             logger.error("Import new service failed.  Service already exists");
 289         }
 290         return successMap;
 291     }
 292 }