ECOMP-PAP-REST/src/main/java/org/openecomp/policy/pap/xacml/rest/components/CreateNewMicroSerivceModel.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ECOMP-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.openecomp.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.sql.Connection;
  29 import java.sql.DriverManager;
  30 import java.sql.ResultSet;
  31 import java.sql.SQLException;
  32 import java.sql.Statement;
  33 import java.util.ArrayList;
  34 import java.util.Arrays;
  35 import java.util.Enumeration;
  36 import java.util.HashMap;
  37 import java.util.List;
  38 import java.util.Map;
  39 import java.util.zip.ZipEntry;
  40 import java.util.zip.ZipFile;
  41
  42 import org.apache.commons.io.FileUtils;
  43 import org.apache.commons.lang.StringUtils;
  44 import org.openecomp.policy.common.logging.eelf.MessageCodes;
  45 import org.openecomp.policy.common.logging.eelf.PolicyLogger;
  46 import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
  47 import org.openecomp.policy.common.logging.flexlogger.Logger;
  48 import org.openecomp.policy.pap.xacml.rest.XACMLPapServlet;
  49 import org.openecomp.policy.rest.XACMLRestProperties;
  50 import org.openecomp.policy.rest.jpa.MicroServiceModels;
  51 import org.openecomp.policy.rest.jpa.UserInfo;
  52 import org.openecomp.policy.rest.util.MSAttributeObject;
  53 import org.openecomp.policy.rest.util.MSModelUtils;
  54 import org.openecomp.policy.rest.util.MSModelUtils.MODEL_TYPE;
  55
  56 import com.att.research.xacml.util.XACMLProperties;
  57
  58 public class CreateNewMicroSerivceModel {
  59         private static final Logger logger = FlexLogger.getLogger(CreateNewMicroSerivceModel.class);
  60         private MicroServiceModels newModel = null;
  61         private HashMap<String,MSAttributeObject > classMap = new HashMap<>();
  62
  63         /*
  64          * These are the parameters needed for DB access from the PAP
  65          */
  66         private static String papDbDriver = null;
  67         private static String papDbUrl = null;
  68         private static String papDbUser = null;
  69         private static String papDbPassword = null;
  70
  71         MSModelUtils utils = new MSModelUtils(XACMLPapServlet.getMsEcompName(), XACMLPapServlet.getMsPolicyName());
  72
  73         public CreateNewMicroSerivceModel(String fileName, String serviceName, String string, String version) {
  74                 super();
  75         }
  76
  77         public CreateNewMicroSerivceModel(String importFile, String  modelName, String description, String version, String randomID) {
  78
  79                 this.newModel = new MicroServiceModels();
  80                 this.newModel.setDescription(description);
  81                 this.newModel.setVersion(version);
  82                 this.newModel.setModelName(modelName);
  83                 UserInfo userInfo = new UserInfo();
  84                 userInfo.setUserLoginId("API");
  85                 this.newModel.setUserCreatedBy(userInfo);
  86                 String cleanUpFile = null;
  87
  88             HashMap<String, MSAttributeObject> tempMap = new HashMap<>();
  89             //Need to delete the file
  90             if (importFile.contains(".zip")){
  91                 extractFolder(randomID + ".zip");
  92                 File directory = new File("ExtractDir" + File.separator + randomID);
  93                 List<File> fileList = listModelFiles(directory.toString());
  94                 //get all the files from a director
  95                 for (File file : fileList){
  96                     if (file.isFile()){
  97                                     tempMap = utils.processEpackage(file.getAbsolutePath(), MODEL_TYPE.XMI);
  98                                     classMap.putAll(tempMap);
  99                     }
 100                 }
 101                 cleanUpFile = "ExtractDir" + File.separator + randomID + ".zip";
 102                 try {
 103                                 FileUtils.deleteDirectory(new File("ExtractDir" + File.separator + randomID));
 104                                 FileUtils.deleteDirectory(new File(randomID));
 105                                 File deleteFile = new File(cleanUpFile);
 106                                 FileUtils.forceDelete(deleteFile);
 107                         } catch (IOException e) {
 108                                 logger.error("Failed to unzip model file " + randomID);
 109                         }
 110             }else {
 111                     tempMap = utils.processEpackage("ExtractDir" + File.separator + randomID+".xmi", MODEL_TYPE.XMI);
 112                     classMap.putAll(tempMap);
 113                     cleanUpFile = "ExtractDir" + File.separator + randomID+".xmi";
 114                     File deleteFile = new File(cleanUpFile);
 115                         deleteFile.delete();
 116             }
 117         }
 118
 119         private List<File> listModelFiles(String directoryName) {
 120                 File directory = new File(directoryName);
 121                 List<File> resultList = new ArrayList<>();
 122                 File[] fList = directory.listFiles();
 123                 for (File file : fList) {
 124                         if (file.isFile()) {
 125                                 resultList.add(file);
 126                         } else if (file.isDirectory()) {
 127                                 resultList.addAll(listModelFiles(file.getAbsolutePath()));
 128                         }
 129                 }
 130                 return resultList;
 131         }
 132
 133         @SuppressWarnings("rawtypes")
 134         private void extractFolder(String zipFile) {
 135             int BUFFER = 2048;
 136             File file = new File(zipFile);
 137
 138             ZipFile zip;
 139                 try {
 140                         zip = new ZipFile("ExtractDir" + File.separator +file);
 141                     String newPath =  zipFile.substring(0, zipFile.length() - 4);
 142                     new File(newPath).mkdir();
 143                     Enumeration zipFileEntries = zip.entries();
 144
 145                     // Process each entry
 146                     while (zipFileEntries.hasMoreElements())
 147                     {
 148                         // grab a zip file entry
 149                         ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
 150                         String currentEntry = entry.getName();
 151                         File destFile = new File("ExtractDir" + File.separator + newPath + File.separator + currentEntry);
 152                         File destinationParent = destFile.getParentFile();
 153
 154                         destinationParent.mkdirs();
 155
 156                         if (!entry.isDirectory())
 157                         {
 158                             BufferedInputStream is = new BufferedInputStream(zip
 159                             .getInputStream(entry));
 160                             int currentByte;
 161
 162                             byte data[] = new byte[BUFFER];
 163
 164                             FileOutputStream fos = new FileOutputStream(destFile);
 165                             BufferedOutputStream dest = new BufferedOutputStream(fos,
 166                             BUFFER);
 167
 168                             while ((currentByte = is.read(data, 0, BUFFER)) != -1) {
 169                                 dest.write(data, 0, currentByte);
 170                             }
 171                             dest.flush();
 172                             dest.close();
 173                             is.close();
 174                         }
 175
 176                         if (currentEntry.endsWith(".zip"))
 177                         {
 178                             extractFolder(destFile.getAbsolutePath());
 179                         }
 180                     }
 181             } catch (IOException e) {
 182                         logger.error("Failed to unzip model file " + zipFile);
 183                 }
 184         }
 185
 186         public Map<String, String> addValuesToNewModel() {
 187
 188                 Map<String, String> successMap = new HashMap<>();
 189                 MSAttributeObject mainClass  = null;
 190                 ArrayList<String> dependency = null;
 191                 String subAttribute = null;
 192
 193                 if (!classMap.containsKey(this.newModel.getModelName())){
 194                         logger.error("Model Provided does not contain the service name provided in request. Unable to import new model");
 195                         PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE, "AddValuesToNewModel", "Unable to pull out required values, file missing service name provided in request");
 196                         successMap.put("error", "MISSING");
 197                         return successMap;
 198                 }
 199                 mainClass = classMap.get(this.newModel.getModelName());
 200                 String dependTemp = StringUtils.replaceEach(mainClass.getDependency(), new String[]{"[", "]", " "}, new String[]{"", "", ""});
 201                 this.newModel.setDependency(dependTemp);
 202                 if (!this.newModel.getDependency().equals("")){
 203                         dependency = new ArrayList<String>(Arrays.asList(dependTemp.split(",")));
 204                         dependency = utils.getFullDependencyList(dependency, classMap);
 205                         if (!dependency.isEmpty()){
 206                                 for (String element : dependency){
 207                                         MSAttributeObject temp = new MSAttributeObject();
 208                                         if (classMap.containsKey(element)){
 209                                                 temp = classMap.get(element);
 210                                                 mainClass.addAllRefAttribute(temp.getRefAttribute());
 211                                                 mainClass.addAllAttribute(temp.getAttribute());
 212                                         }
 213                                 }
 214                         }
 215                 }
 216                 subAttribute = utils.createSubAttributes(dependency, classMap, this.newModel.getModelName());
 217
 218                 this.newModel.setSub_attributes(subAttribute);
 219                 this.newModel.setAttributes(mainClass.getAttribute().toString().replace("{", "").replace("}", ""));
 220                 this.newModel.setRef_attributes(mainClass.getRefAttribute().toString().replace("{", "").replace("}", ""));
 221                 this.newModel.setEnumValues(mainClass.getEnumType().toString().replace("{", "").replace("}", ""));
 222         this.newModel.setAnnotation(mainClass.getMatchingSet().toString().replace("{", "").replace("}", ""));
 223                 successMap.put("success", "success");
 224                 return successMap;
 225
 226         }
 227
 228         @SuppressWarnings("resource")
 229         public Map<String, String> saveImportService(){
 230                 Map<String, String> successMap = new HashMap<>();
 231
 232                 Connection con = null;
 233                 Statement st = null;
 234                 ResultSet rs = null;
 235                 String modelName = this.newModel.getModelName();
 236                 String imported_by = "API";
 237                 String version = this.newModel.getVersion();
 238                 String insertQuery = null;
 239                 int ID = 0;
 240
 241                 /*
 242                  * Retrieve the property values for db access from the xacml.pap.properties
 243                  */
 244                 papDbDriver = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_DRIVER);
 245                 papDbUrl = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_URL);
 246                 papDbUser = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_USER);
 247                 papDbPassword = XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_DB_PASSWORD);
 248
 249                 try {
 250                         //Get DB Connection
 251                         Class.forName(papDbDriver);
 252                         con = DriverManager.getConnection(papDbUrl,papDbUser,papDbPassword);
 253                         st = con.createStatement();
 254                         String queryString ="SELECT * FROM MicroServiceModels WHERE modelName='" + modelName + "' AND version='" + version+ "';";
 255                         rs = st.executeQuery(queryString);
 256
 257                         if(rs.next()){
 258                                 successMap.put("DBError", "EXISTS");
 259                                 logger.error("Import new service failed.  Service already exists");
 260                         }else{
 261                                 rs = st.executeQuery("SELECT MAX(ID) AS ID FROM MicroServiceModels;");
 262                                 if(rs.next()){
 263                                         ID = rs.getInt("ID");
 264                                         ID++;
 265                                 }
 266
 267                                 String newDependency = "[" + this.newModel.getDependency() + "]";
 268                     this.newModel.setDependency(newDependency);
 269                     insertQuery = "INSERT INTO MicroServiceModels (ID, modelName, Dependency, DESCRIPTION, attributes, ref_attributes, sub_attributes, version, imported_by, enumValues, annotation) "
 270                                                 + "VALUES("+ID+",'"+modelName+"','"+ this.newModel.getDependency()+"','"+this.newModel.getDescription()+"','"+this.newModel.getAttributes()+
 271                                                 "','"+this.newModel.getRef_attributes()+"','"+this.newModel.getSub_attributes()+"','"+version+"','"+imported_by+"','"+this.newModel.getEnumValues()+"','"+this.newModel.getAnnotation()+"')";
 272                                 st.executeUpdate(insertQuery);
 273                                 successMap.put("success", "success");
 274                         }
 275                         rs.close();
 276                 }catch (ClassNotFoundException e) {
 277                         PolicyLogger.error(MessageCodes.EXCEPTION_ERROR, e, "saveImportService", "Exception querying MicroServiceModels");
 278                         successMap.put("DBError", "Error Query");
 279                 } catch (SQLException e) {
 280                         PolicyLogger.error(MessageCodes.EXCEPTION_ERROR, e, "saveImportService", "Exception querying MicroServiceModels");
 281                         successMap.put("DBError", "Error Query");
 282                 } finally {
 283                         try{
 284                                 if (con!=null) con.close();
 285                                 if (rs!=null) rs.close();
 286                                 if (st!=null) st.close();
 287                         } catch (Exception ex){
 288                                 PolicyLogger.error(MessageCodes.EXCEPTION_ERROR, ex, "saveImportService", "Exception querying MicroServiceModels");
 289                         }
 290                 }
 291
 292                 return successMap;
 293         }
 294 }