BRMSGateway/src/main/java/org/onap/policy/brmsInterface/BRMSPush.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP Policy Engine
   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.brmsInterface;
  22
  23 import java.io.File;
  24 import java.io.FileInputStream;
  25 import java.io.FileOutputStream;
  26 import java.io.IOException;
  27 import java.io.InputStream;
  28 import java.io.Writer;
  29 import java.net.URL;
  30 import java.nio.channels.Channels;
  31 import java.nio.channels.ReadableByteChannel;
  32 import java.nio.charset.StandardCharsets;
  33 import java.nio.file.Files;
  34 import java.nio.file.Path;
  35 import java.nio.file.Paths;
  36 import java.security.GeneralSecurityException;
  37 import java.util.ArrayList;
  38 import java.util.Arrays;
  39 import java.util.Collections;
  40 import java.util.Enumeration;
  41 import java.util.HashMap;
  42 import java.util.List;
  43 import java.util.Map;
  44 import java.util.Properties;
  45 import java.util.UUID;
  46 import java.util.concurrent.TimeUnit;
  47 import java.util.jar.JarEntry;
  48 import java.util.jar.JarFile;
  49
  50 import javax.persistence.EntityManager;
  51 import javax.persistence.EntityManagerFactory;
  52 import javax.persistence.EntityTransaction;
  53 import javax.persistence.Persistence;
  54 import javax.persistence.Query;
  55
  56 import org.apache.commons.io.FileUtils;
  57 import org.apache.commons.lang.StringEscapeUtils;
  58 import org.apache.maven.model.Dependency;
  59 import org.apache.maven.model.DeploymentRepository;
  60 import org.apache.maven.model.DistributionManagement;
  61 import org.apache.maven.model.Model;
  62 import org.apache.maven.model.io.xpp3.MavenXpp3Writer;
  63 import org.apache.maven.shared.invoker.DefaultInvocationRequest;
  64 import org.apache.maven.shared.invoker.DefaultInvoker;
  65 import org.apache.maven.shared.invoker.InvocationRequest;
  66 import org.apache.maven.shared.invoker.InvocationResult;
  67 import org.apache.maven.shared.invoker.Invoker;
  68 import org.codehaus.plexus.util.IOUtil;
  69 import org.codehaus.plexus.util.WriterFactory;
  70 import org.eclipse.persistence.config.PersistenceUnitProperties;
  71 import org.onap.policy.api.PEDependency;
  72 import org.onap.policy.api.PolicyException;
  73 import org.onap.policy.brmsInterface.jpa.BRMSGroupInfo;
  74 import org.onap.policy.brmsInterface.jpa.BRMSPolicyInfo;
  75 import org.onap.policy.brmsInterface.jpa.DependencyInfo;
  76 import org.onap.policy.common.im.AdministrativeStateException;
  77 import org.onap.policy.common.im.IntegrityMonitor;
  78 import org.onap.policy.common.logging.eelf.MessageCodes;
  79 import org.onap.policy.common.logging.eelf.PolicyLogger;
  80 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  81 import org.onap.policy.common.logging.flexlogger.Logger;
  82 import org.onap.policy.utils.BackUpHandler;
  83 import org.onap.policy.utils.BackUpMonitor;
  84 import org.onap.policy.utils.BusPublisher;
  85 import org.onap.policy.utils.PolicyUtils;
  86 import org.onap.policy.xacml.api.XACMLErrorConstants;
  87 import org.sonatype.nexus.client.NexusClient;
  88 import org.sonatype.nexus.client.NexusClientException;
  89 import org.sonatype.nexus.client.NexusConnectionException;
  90 import org.sonatype.nexus.client.rest.NexusRestClient;
  91 import org.sonatype.nexus.rest.model.NexusArtifact;
  92
  93 import com.att.nsa.cambria.client.CambriaBatchingPublisher;
  94 import com.att.nsa.cambria.client.CambriaClientBuilders;
  95 import com.att.nsa.cambria.client.CambriaClientBuilders.PublisherBuilder;
  96 import com.fasterxml.jackson.core.JsonProcessingException;
  97
  98 /**
  99  * BRMSPush: Application responsible to push policies to the BRMS PDP Policy Repository (PR). Mavenize and push policy
 100  * to PR
 101  *
 102  * @version 1.0
 103  */
 104
 105 @SuppressWarnings("deprecation")
 106 public class BRMSPush {
 107     private static final String GROUP_NAMES = "groupNames";
 108         private static final String DROOLS_APPS_PACKAGE = "org.onap.policy.drools-applications";
 109         private static final String META_INF = "META-INF";
 110         private static final String KMODULE_XML_FILE = "kmodule.xml";
 111         private static final String POM_XML_FILE = "pom.xml";
 112         private static final String VERSION_0_1_0 = "0.1.0";
 113         private static final String RULES = "rules";
 114         private static final String RESOURCES = "resources";
 115         private static final Logger LOGGER = FlexLogger.getLogger(BRMSPush.class.getName());
 116     private static final String PROJECTSLOCATION = "RuleProjects";
 117     private static final String[] GOALS = { "clean", "deploy" };
 118     private static final String DEFAULT_VERSION = "1.2.0-SNAPSHOT";
 119     private static final String DEPENDENCY_FILE = "dependency.json";
 120     private static final String BRMSPERSISTENCE = "brmsEclipselink.persistencexml";
 121
 122     private static Map<String, String> modifiedGroups = new HashMap<>();
 123     private static IntegrityMonitor im;
 124     private static BackUpMonitor bm;
 125     private String defaultName = null;
 126     private String repID = null;
 127     private String repName = null;
 128     private ArrayList<String> repURLs = null;
 129     private String repUserName = null;
 130     private String repPassword = null;
 131     private String policyKeyID = null;
 132     private boolean createFlag = false;
 133     private String uebList = null;
 134     private List<String> dmaapList = null;
 135     private String pubTopic = null;
 136     private PublisherBuilder pubBuilder = null;
 137     protected BusPublisher publisher = null;
 138     private Long uebDelay = Long.parseLong("20");
 139     private Long dmaapDelay = Long.parseLong("5000");
 140     private String notificationType = null;
 141     private ArrayList<ControllerPOJO> controllers;
 142     private HashMap<String, ArrayList<Object>> groupMap = new HashMap<>();
 143     private Map<String, String> policyMap = new HashMap<>();
 144     private String brmsdependencyversion;
 145     private EntityManager em;
 146     private boolean syncFlag = false;
 147
 148     public BRMSPush(String propertiesFile, BackUpHandler handler) throws PolicyException {
 149         if(propertiesFile==null || handler==null){
 150             throw new PolicyException("Error no propertiesFile or handler");
 151         }
 152         Properties config = new Properties();
 153         Path file = Paths.get(propertiesFile);
 154         if (Files.notExists(file)) {
 155             LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Config File doesn't Exist in the specified Path "
 156                     + file.toString());
 157             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
 158                     + "Config File doesn't Exist in the specified Path " + file.toString());
 159         } else {
 160             if (file.toString().endsWith(".properties")) {
 161                 // Grab the Properties.
 162                 setProperty(file, config, handler);
 163             }
 164         }
 165     }
 166
 167     private void setProperty(Path file, Properties config, BackUpHandler handler) throws PolicyException {
 168         InputStream in;
 169         try {
 170             in = new FileInputStream(file.toFile());
 171             config.load(in);
 172         } catch (IOException e) {
 173             LOGGER.error(
 174                     XACMLErrorConstants.ERROR_DATA_ISSUE + "Data/File Read Error while reading from the property file.",
 175                     e);
 176             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
 177                     + "Data/File Read Error while reading from the property file.");
 178         }
 179         LOGGER.info("Trying to set up IntegrityMonitor");
 180         String resourceName = null;
 181         try {
 182             LOGGER.info("Trying to set up IntegrityMonitor");
 183             resourceName = config.getProperty("RESOURCE_NAME");
 184             if (resourceName == null) {
 185                 LOGGER.warn("RESOURCE_NAME is missing setting default value. ");
 186                 resourceName = "brmsgw_pdp01";
 187             }
 188             resourceName = resourceName.trim();
 189             setIntegrityMonitor(IntegrityMonitor.getInstance(resourceName, config));
 190         } catch (Exception e) {
 191             LOGGER.error("Error starting Integerity Monitor: " + e);
 192         }
 193         LOGGER.info("Trying to set up BackUpMonitor");
 194         try {
 195             setBackupMonitor(BackUpMonitor.getInstance(BackUpMonitor.ResourceNode.BRMS.toString(), resourceName, config,
 196                     handler));
 197         } catch (Exception e) {
 198             LOGGER.error("Error starting BackUpMonitor: " + e);
 199         }
 200         if(!config.containsKey(BRMSPERSISTENCE)){
 201             config.setProperty(PersistenceUnitProperties.ECLIPSELINK_PERSISTENCE_XML, "META-INF/persistenceBRMS.xml");
 202         } else {
 203             config.setProperty(PersistenceUnitProperties.ECLIPSELINK_PERSISTENCE_XML, config.getProperty(BRMSPERSISTENCE,"META-INF/persistenceBRMS.xml"));
 204         }
 205         EntityManagerFactory emf = Persistence.createEntityManagerFactory("BRMSGW", config);
 206         em = emf.createEntityManager();
 207         defaultName = config.getProperty("defaultName");
 208         if (defaultName == null) {
 209             LOGGER.error(
 210                     XACMLErrorConstants.ERROR_DATA_ISSUE + "defaultName property is missing from the property file ");
 211             throw new PolicyException(
 212                     XACMLErrorConstants.ERROR_DATA_ISSUE + "defaultName property is missing from the property file");
 213         }
 214         defaultName = defaultName.trim();
 215         repID = config.getProperty("repositoryID");
 216         if (repID == null) {
 217             LOGGER.error(
 218                     XACMLErrorConstants.ERROR_DATA_ISSUE + "repositoryID property is missing from the property file ");
 219             throw new PolicyException(
 220                     XACMLErrorConstants.ERROR_DATA_ISSUE + "repositoryID property is missing from the property file ");
 221         }
 222         repID = repID.trim();
 223         repName = config.getProperty("repositoryName");
 224         if (repName == null) {
 225             LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE
 226                     + "repositoryName property is missing from the property file ");
 227             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
 228                     + "repositoryName property is missing from the property file ");
 229         }
 230         repName = repName.trim();
 231         String repURL = config.getProperty("repositoryURL");
 232         if (repURL == null) {
 233             LOGGER.error(
 234                     XACMLErrorConstants.ERROR_DATA_ISSUE + "repositoryURL property is missing from the property file ");
 235             throw new PolicyException(
 236                     XACMLErrorConstants.ERROR_DATA_ISSUE + "repositoryURL property is missing from the property file ");
 237         }
 238         if (repURL.contains(",")) {
 239             repURLs = new ArrayList<>(Arrays.asList(repURL.trim().split(",")));
 240         } else {
 241             repURLs = new ArrayList<>();
 242             repURLs.add(repURL);
 243         }
 244         repUserName = config.getProperty("repositoryUsername");
 245         repPassword = config.getProperty("repositoryPassword");
 246         if (repUserName == null || repPassword == null) {
 247             LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE
 248                     + "repostoryUserName and respositoryPassword properties are required.");
 249             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
 250                     + "repostoryUserName and respositoryPassword properties are required.");
 251         }
 252         repUserName = repUserName.trim();
 253         repPassword = repPassword.trim();
 254         policyKeyID = config.getProperty("policyKeyID");
 255         if (policyKeyID == null) {
 256             LOGGER.error(
 257                     XACMLErrorConstants.ERROR_DATA_ISSUE + "policyKeyID property is missing from the property file ");
 258             throw new PolicyException(
 259                     XACMLErrorConstants.ERROR_DATA_ISSUE + "policyKeyID property is missing from the property file ");
 260         }
 261         policyKeyID = policyKeyID.trim();
 262         String syncF = config.getProperty("sync", "false").trim();
 263         syncFlag = Boolean.parseBoolean(syncF);
 264         if (syncFlag) {
 265             PolicyLogger.info("SYNC Flag is turned ON. DB will be given Priority.");
 266         }
 267         brmsdependencyversion = config.getProperty("brms.dependency.version");
 268         if (brmsdependencyversion == null) {
 269             LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE
 270                     + "brmsdependencyversion property is missing from the property file, Using default Version.");
 271             brmsdependencyversion = DEFAULT_VERSION;
 272         }
 273         brmsdependencyversion = brmsdependencyversion.trim();
 274         readGroups(config);
 275
 276         // Setup Publisher
 277         notificationType = config.getProperty("NOTIFICATION_TYPE");
 278         if ("dmaap".equalsIgnoreCase(notificationType)) {
 279
 280             LOGGER.info("Notification Type being used is DMaaP... creating instance of BusPublisher.");
 281             // Setting up the Publisher for DMaaP MR
 282             String dmaapServers = config.getProperty("NOTIFICATION_SERVERS");
 283             pubTopic = config.getProperty("NOTIFICATION_TOPIC");
 284             String aafLogin = config.getProperty("CLIENT_ID").trim();
 285             String aafPassword = config.getProperty("CLIENT_KEY").trim();
 286
 287             if (dmaapServers == null || pubTopic == null) {
 288                 LOGGER.error(
 289                         XACMLErrorConstants.ERROR_DATA_ISSUE + "DMaaP properties are missing from the property file ");
 290                 throw new PolicyException(
 291                         XACMLErrorConstants.ERROR_DATA_ISSUE + "DMaaP properties are missing from the property file ");
 292             }
 293
 294             dmaapServers = dmaapServers.trim();
 295             pubTopic = pubTopic.trim();
 296
 297             if (dmaapServers.contains(",")) {
 298                 dmaapList = new ArrayList<>(Arrays.asList(dmaapServers.split("\\s*,\\s*")));
 299             } else {
 300                 dmaapList = new ArrayList<>();
 301                 dmaapList.add(dmaapServers);
 302             }
 303
 304             this.publisher = new BusPublisher.DmaapPublisherWrapper(this.dmaapList, this.pubTopic, aafLogin,
 305                     aafPassword);
 306
 307             String dDelay = config.getProperty("NOTIFICATION_DELAY");
 308             if (dDelay != null && !dDelay.isEmpty()) {
 309                 dDelay = dDelay.trim();
 310                 try {
 311                     dmaapDelay = Long.parseLong(dDelay);
 312                 } catch (NumberFormatException e) {
 313                     LOGGER.error("DMAAP_DELAY not a long format number" + e);
 314                 }
 315             }
 316             LOGGER.info("DMAAP BusPublisher is created.");
 317
 318         } else {
 319             LOGGER.info("Notification Type being used is UEB... creating instance of PublisherBuilder.");
 320             // Setting up the Publisher for UEB
 321             uebList = config.getProperty("NOTIFICATION_SERVERS");
 322             pubTopic = config.getProperty("NOTIFICATION_TOPIC");
 323             String apiKey = config.getProperty("UEB_API_KEY");
 324             String apiSecret = config.getProperty("UEB_API_SECRET");
 325             if (uebList == null || pubTopic == null) {
 326                 LOGGER.error(
 327                         XACMLErrorConstants.ERROR_DATA_ISSUE + "UEB properties are missing from the property file ");
 328                 throw new PolicyException(
 329                         XACMLErrorConstants.ERROR_DATA_ISSUE + "UEB properties are missing from the property file ");
 330             }
 331             uebList = uebList.trim();
 332             pubTopic = pubTopic.trim();
 333             pubBuilder = new CambriaClientBuilders.PublisherBuilder();
 334             pubBuilder.usingHosts(uebList).onTopic(pubTopic);
 335             if (apiKey != null && !apiKey.isEmpty() && apiSecret != null && !apiSecret.isEmpty()) {
 336                 apiKey = apiKey.trim();
 337                 apiSecret = apiSecret.trim();
 338                 pubBuilder.authenticatedBy(apiKey, apiSecret);
 339             }
 340             String uDelay = config.getProperty("NOTIFICATION_DELAY");
 341             if (uDelay != null && !uDelay.isEmpty()) {
 342                 uDelay = uDelay.trim();
 343                 try {
 344                     uebDelay = Long.parseLong(uDelay);
 345                 } catch (NumberFormatException e) {
 346                     LOGGER.error("UEB_DELAY not a long format number" + e);
 347                 }
 348             }
 349             LOGGER.info("UEB PublisherBuilder is created.");
 350
 351         }
 352
 353     }
 354
 355     private static void setBackupMonitor(BackUpMonitor instance) {
 356         bm = instance;
 357     }
 358
 359     private static void setIntegrityMonitor(IntegrityMonitor instance) {
 360         im = instance;
 361     }
 362
 363     /**
 364      * Will Initialize the variables required for BRMSPush.
 365      */
 366     public void initiate(boolean flag) {
 367         resetModifiedGroups();
 368         controllers = new ArrayList<>();
 369         try {
 370             bm.updateNotification();
 371         } catch (Exception e) {
 372             LOGGER.error("Error while updating Notification: " + e.getMessage(), e);
 373         }
 374         if (flag)
 375             syncGroupInfo();
 376     }
 377
 378     private static void resetModifiedGroups() {
 379         modifiedGroups = new HashMap<>();
 380     }
 381
 382     /**
 383      * Will Add rules to projects. Creates necessary folders if required.
 384      */
 385     public void addRule(String name, String rule, Map<String, String> responseAttributes) {
 386         // 1 check the response Attributes and determine if this belongs to any projects.
 387         // 2 if not create folder
 388         // 3 create pom.
 389         // 4 copy the rule.
 390         // 5 store the groups that have been updated.
 391         String kSessionName = null;
 392         String selectedName = null;
 393         if (!responseAttributes.isEmpty()) {
 394             // Pick selected Value
 395             String userControllerName = null;
 396             ArrayList<PEDependency> userDependencies = new ArrayList<>();
 397             for (Map.Entry<String, String> entry: responseAttributes.entrySet()) {
 398                 String key = entry.getKey();
 399                 String value = entry.getValue();
 400                 if (key.equals(policyKeyID)) {
 401                     selectedName = value;
 402                 }
 403                 // kmodule configurations
 404                 else if ("kSessionName".equals(key)) {
 405                     kSessionName = value;
 406                 }
 407                 // Check User Specific values.
 408                 if ("$controller:".equals(key)) {
 409                     try {
 410                         PEDependency dependency = PolicyUtils.jsonStringToObject(value,
 411                                 PEDependency.class);
 412                         userControllerName = key.replaceFirst("$controller:", "");
 413                         addToGroup(userControllerName, dependency);
 414                     } catch (Exception e) {
 415                         LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while resolving Controller: " + e);
 416                     }
 417
 418                 } else if ("$dependency$".equals(key)) {
 419                     if (value.startsWith("[") && value.endsWith("]")) {
 420                         value = value.substring(1, value.length() - 1).trim();
 421                         List<String> dependencyStrings = Arrays.asList(value.split("},{"));
 422                         for (String dependencyString : dependencyStrings) {
 423                             try {
 424                                 userDependencies
 425                                         .add(PolicyUtils.jsonStringToObject(dependencyString, PEDependency.class));
 426                             } catch (Exception e) {
 427                                 LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW
 428                                         + "Error while resolving Dependencies: " + e);
 429                             }
 430                         }
 431                     }
 432                 }
 433             }
 434             if (userControllerName != null) {
 435                 // Adding custom dependencies here.
 436                 ArrayList<Object> values = groupMap.get(userControllerName);
 437                 values.add(userDependencies);
 438                 groupMap.put(userControllerName, values);
 439                 selectedName = userControllerName;
 440             }
 441         }
 442         // If no Match then pick Default.
 443         if (selectedName == null) {
 444             selectedName = defaultName;
 445         }
 446         if (groupMap.containsKey(selectedName)) {
 447             // If the key is not got as parameters set by the user, setting the default value for kSessionName as
 448             // closedLoop
 449             if (kSessionName == null) {
 450                 if (selectedName == defaultName) {
 451                     kSessionName = "closedloop";
 452                 } else {
 453                     kSessionName = "closedloop-" + selectedName;
 454                 }
 455             }
 456             // create directories if missing.
 457             manageProject(selectedName, kSessionName, name, rule);
 458             addModifiedGroup(selectedName, "update"); // Will check for Create Later after generating the Pom.
 459         }
 460     }
 461
 462     private void syncGroupInfo() {
 463         // Sync DB to JMemory.
 464         EntityTransaction et = em.getTransaction();
 465         et.begin();
 466         Query query = em.createQuery("select b from BRMSGroupInfo AS b");
 467         List<?> bList = query.getResultList();
 468         if (bList.size() != groupMap.size()) {
 469             for (Object value : bList) {
 470                 BRMSGroupInfo brmsGroupInfo = (BRMSGroupInfo) value;
 471                 PEDependency dependency = new PEDependency();
 472                 dependency.setArtifactId(brmsGroupInfo.getArtifactId());
 473                 dependency.setGroupId(brmsGroupInfo.getGroupId());
 474                 dependency.setVersion(brmsGroupInfo.getVersion());
 475                 ArrayList<Object> values = new ArrayList<>();
 476                 values.add(dependency);
 477                 groupMap.put(brmsGroupInfo.getControllerName(), values);
 478             }
 479         }
 480         query = em.createQuery("select g from BRMSPolicyInfo AS g");
 481         bList = query.getResultList();
 482         if (bList.size() != policyMap.size()) {
 483             for (Object value : bList) {
 484                 BRMSPolicyInfo brmsPolicyInfo = (BRMSPolicyInfo) value;
 485                 policyMap.put(brmsPolicyInfo.getPolicyName(), brmsPolicyInfo.getControllerName().getControllerName());
 486             }
 487         }
 488         et.commit();
 489         LOGGER.info("Updated Local Memory values with values from database.");
 490     }
 491
 492     private void manageProject(String selectedName, String kSessionName, String name, String rule) {
 493         // Check if the Project is in Sync. If not get the latest Version.
 494         syncProject(selectedName);
 495         createProject(PROJECTSLOCATION + File.separator + getArtifactID(selectedName) + File.separator + "src"
 496                 + File.separator + "main" + File.separator + RESOURCES, kSessionName);
 497         copyDataToFile(PROJECTSLOCATION + File.separator + getArtifactID(selectedName) + File.separator + "src"
 498                 + File.separator + "main" + File.separator + RESOURCES + File.separator + RULES + File.separator
 499                 + name + ".drl", rule);
 500         addToPolicy(name, selectedName);
 501     }
 502
 503     /*
 504      * Add Policy to JMemory and DataBase.
 505      */
 506     private void addToPolicy(String policyName, String controllerName) {
 507         policyMap.put(policyName, controllerName);
 508         EntityTransaction et = em.getTransaction();
 509         et.begin();
 510         Query query = em.createQuery("select b from BRMSPolicyInfo as b where b.policyName = :pn");
 511         query.setParameter("pn", policyName);
 512         List<?> pList = query.getResultList();
 513         boolean create = false;
 514         BRMSPolicyInfo brmsPolicyInfo = new BRMSPolicyInfo();
 515         if (!pList.isEmpty()) {
 516             // Already exists.
 517             brmsPolicyInfo = (BRMSPolicyInfo) pList.get(0);
 518             if (!brmsPolicyInfo.getControllerName().getControllerName().equals(controllerName)) {
 519                 create = true;
 520             }
 521         } else {
 522             create = true;
 523         }
 524         if (create) {
 525             query = em.createQuery("select b from BRMSGroupInfo as b where b.controllerName = :cn");
 526             query.setParameter("cn", controllerName);
 527             List<?> bList = query.getResultList();
 528             BRMSGroupInfo brmsGroupInfo = new BRMSGroupInfo();
 529             if (!bList.isEmpty()) {
 530                 brmsGroupInfo = (BRMSGroupInfo) bList.get(0);
 531             }
 532             brmsPolicyInfo.setPolicyName(policyName);
 533             brmsPolicyInfo.setControllerName(brmsGroupInfo);
 534             em.persist(brmsPolicyInfo);
 535             em.flush();
 536         }
 537         et.commit();
 538     }
 539
 540     private void syncProject(String selectedName) {
 541         boolean projectExists = checkProject(selectedName);
 542         if (projectExists) {
 543             String version;
 544             version = getVersion(selectedName);
 545             if (version == null) {
 546                 LOGGER.error("Error getting local version for the given Controller Name:" + selectedName
 547                         + " going with Default value");
 548                 version = VERSION_0_1_0;
 549             }
 550             String nextVersion = incrementVersion(version);
 551             boolean outOfSync = checkRemoteSync(selectedName, nextVersion);
 552             if (!outOfSync) {
 553                 return;
 554             }
 555         }
 556         // We are out of Sync or Project is not Present.
 557         downloadProject(selectedName);
 558     }
 559
 560     private void downloadProject(String selectedName) {
 561         NexusArtifact artifact = getLatestArtifactFromNexus(selectedName);
 562         if (artifact == null)
 563             return;
 564         String dirName = getDirectoryName(selectedName);
 565         URL website;
 566         String fileName = "rule.jar";
 567         try {
 568             website = new URL(artifact.getResourceURI());
 569             ReadableByteChannel rbc = Channels.newChannel(website.openStream());
 570             FileOutputStream fos = new FileOutputStream(fileName);
 571             fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
 572             fos.close();
 573             extractJar(fileName, dirName);
 574             new File(fileName).delete();
 575         } catch (IOException e) {
 576             LOGGER.error("Error while downloading the project to File System. " + e.getMessage(), e);
 577         }
 578     }
 579
 580     private void extractJar(String jarFileName, String artifactId) throws IOException {
 581         JarFile jar = new JarFile(jarFileName);
 582         Enumeration<?> enumEntries = jar.entries();
 583         while (enumEntries.hasMoreElements()) {
 584             JarEntry file = (JarEntry) enumEntries.nextElement();
 585             File f = null;
 586             String fileName = file.getName().substring(file.getName().lastIndexOf("/") + 1);
 587             if (file.getName().endsWith(".drl")) {
 588                 String path = PROJECTSLOCATION + File.separator + artifactId + File.separator + "src" + File.separator
 589                         + "main" + File.separator + RESOURCES + File.separator + RULES;
 590                 new File(path).mkdirs();
 591                 if (syncFlag && policyMap.containsKey(fileName.replace(".drl", ""))) {
 592                     f = new File(path + File.separator + fileName);
 593                 } else {
 594                     f = new File(path + File.separator + fileName);
 595                 }
 596             } else if (file.getName().endsWith(POM_XML_FILE)) {
 597                 String path = PROJECTSLOCATION + File.separator + artifactId;
 598                 new File(path).mkdirs();
 599                 f = new File(path + File.separator + fileName);
 600             } else if (file.getName().endsWith(KMODULE_XML_FILE)) {
 601                 String path = PROJECTSLOCATION + File.separator + artifactId + File.separator + "src" + File.separator
 602                         + "main" + File.separator + RESOURCES + File.separator + META_INF;
 603                 new File(path).mkdirs();
 604                 f = new File(path + File.separator + fileName);
 605             }
 606             if (f != null) {
 607                 InputStream is = jar.getInputStream(file);
 608                 FileOutputStream fos = new FileOutputStream(f);
 609                 while (is.available() > 0) {
 610                     fos.write(is.read());
 611                 }
 612                 fos.close();
 613                 is.close();
 614                 LOGGER.info(fileName + " Created..");
 615             }
 616         }
 617         jar.close();
 618     }
 619
 620     private NexusArtifact getLatestArtifactFromNexus(String selectedName) {
 621         List<NexusArtifact> artifacts = getArtifactFromNexus(selectedName, null);
 622         int bigNum = 0;
 623         int smallNum = 0;
 624         NexusArtifact result = null;
 625         for (NexusArtifact artifact : artifacts) {
 626             int majorVal = Integer.parseInt(artifact.getVersion().substring(0, artifact.getVersion().indexOf(".")));
 627             int minorVal = Integer.parseInt(artifact.getVersion().substring(artifact.getVersion().indexOf(".") + 1,
 628                     artifact.getVersion().lastIndexOf(".")));
 629             if (majorVal > bigNum) {
 630                 bigNum = majorVal;
 631                 smallNum = minorVal;
 632             }
 633             if ((bigNum == majorVal) && (minorVal > smallNum)) {
 634                 smallNum = minorVal;
 635             }
 636             if (bigNum == majorVal && minorVal == smallNum) {
 637                 result = artifact;
 638             }
 639         }
 640         return additionalNexusLatestCheck(selectedName, result);
 641     }
 642
 643     // Additional Check due to Limitations from Nexus API to check if the artifact is the latest.
 644     private NexusArtifact additionalNexusLatestCheck(String selectedName, NexusArtifact result) {
 645         if(result==null){
 646             return result;
 647         }
 648         String nextVersion = incrementVersion(result.getVersion());
 649         List<NexusArtifact> artifact = getArtifactFromNexus(selectedName, nextVersion);
 650         return artifact.isEmpty() ? result : additionalNexusLatestCheck(selectedName, artifact.get(0));
 651     }
 652
 653     private boolean checkRemoteSync(String selectedName, String version) {
 654         List<NexusArtifact> artifacts = getArtifactFromNexus(selectedName, version);
 655         return artifacts.isEmpty() ? false : true;
 656     }
 657
 658     private List<NexusArtifact> getArtifactFromNexus(String selectedName, String version) {
 659         final NexusClient client = new NexusRestClient();
 660         int i = 0;
 661         boolean flag = false;
 662         while (i < repURLs.size()) {
 663             try {
 664                 String repURL = repURLs.get(0);
 665                 client.connect(repURL.substring(0, repURL.indexOf(repURL.split(":[0-9]+\\/nexus")[1])), repUserName,
 666                         repPassword);
 667                 final NexusArtifact template = new NexusArtifact();
 668                 template.setGroupId(getGroupID(selectedName));
 669                 template.setArtifactId(getArtifactID(selectedName));
 670                 if (version != null) {
 671                     template.setVersion(version);
 672                 }
 673                 List<NexusArtifact> resultList = client.searchByGAV(template);
 674                 if (resultList != null) {
 675                     flag = true;
 676                     return resultList;
 677                 }
 678             } catch (NexusClientException | NexusConnectionException | NullPointerException e) {
 679                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Connection to remote Nexus has failed. "
 680                         + e.getMessage(), e);
 681             } finally {
 682                 try {
 683                     client.disconnect();
 684                 } catch (NexusClientException | NexusConnectionException e) {
 685                     LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "failed to disconnect Connection from Nexus."
 686                             + e.getMessage(), e);
 687                 }
 688                 if (!flag) {
 689                     Collections.rotate(repURLs, -1);
 690                     i++;
 691                 }
 692             }
 693         }
 694         return new ArrayList<>();
 695     }
 696
 697     private void setVersion(String selectedName) {
 698         String newVersion = VERSION_0_1_0;
 699         createFlag = false;
 700         NexusArtifact artifact = getLatestArtifactFromNexus(selectedName);
 701         if (artifact != null) {
 702             newVersion = incrementVersion(artifact.getVersion());
 703         }
 704         if (VERSION_0_1_0.equals(newVersion)) {
 705             createFlag = true;
 706         }
 707         setVersion(newVersion, selectedName);
 708         LOGGER.info("Controller: " + selectedName + "is on version: " + newVersion);
 709     }
 710
 711     private String incrementVersion(String version) {
 712         int majorVal = Integer.parseInt(version.substring(0, version.indexOf(".")));
 713         int minorVal = Integer.parseInt(version.substring(version.indexOf(".") + 1, version.lastIndexOf(".")));
 714         if (minorVal >= 9) {
 715             majorVal += 1;
 716             minorVal = 0;
 717         } else {
 718             minorVal += 1;
 719         }
 720         return majorVal + "." + minorVal + version.substring(version.lastIndexOf("."));
 721     }
 722
 723     private boolean checkProject(String selectedName) {
 724         return new File(PROJECTSLOCATION + File.separator + getDirectoryName(selectedName)).exists();
 725     }
 726
 727     private String getDirectoryName(String selectedName) {
 728         return getArtifactID(selectedName);
 729     }
 730
 731     /**
 732      * Will Push policies to the PolicyRepo.
 733      *
 734      * @param notificationType
 735      *            <String> type of notification Type.
 736      * @throws PolicyException
 737      */
 738     public void pushRules() throws PolicyException {
 739         // Check how many groups have been updated.
 740         // Invoke their Maven process.
 741         try {
 742             im.startTransaction();
 743         } catch (Exception e) {
 744             LOGGER.error("Error while starting Transaction " + e);
 745         }
 746         if (!modifiedGroups.isEmpty()) {
 747             Boolean flag = false;
 748             for (Map.Entry<String, String> entry : modifiedGroups.entrySet()) {
 749                 InvocationResult result = null;
 750                 String group = entry.getKey();
 751                 try {
 752                     InvocationRequest request = new DefaultInvocationRequest();
 753                     setVersion(group);
 754                     createPom(group);
 755                     request.setPomFile(new File(
 756                             PROJECTSLOCATION + File.separator + getArtifactID(group) + File.separator + POM_XML_FILE));
 757                     request.setGoals(Arrays.asList(GOALS));
 758                     Invoker invoker = new DefaultInvoker();
 759                     result = invoker.execute(request);
 760                     if (result.getExecutionException() != null) {
 761                         LOGGER.error(result.getExecutionException());
 762                     } else if (result.getExitCode() != 0) {
 763                         LOGGER.error("Maven Invocation failure..!");
 764                     }
 765                 } catch (Exception e) {
 766                     LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Maven Invocation issue for "
 767                             + getArtifactID(group) + e.getMessage(), e);
 768                 }
 769                 if (result != null && result.getExitCode() == 0) {
 770                     LOGGER.info("Build Completed..!");
 771                     if (createFlag) {
 772                         addNotification(group, "create");
 773                     } else {
 774                         addNotification(group, entry.getValue());
 775                     }
 776                     flag = true;
 777                 } else {
 778                     throw new PolicyException(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Maven Invocation failure!");
 779                 }
 780             }
 781             if (flag) {
 782                 sendNotification(controllers);
 783             }
 784         }
 785         if (im != null) {
 786             im.endTransaction();
 787         }
 788     }
 789
 790     /**
 791      * Removes a Rule from Rule Projects.
 792      */
 793     public void removeRule(String name) {
 794         String controllerName = getGroupName(name);
 795         if (controllerName == null) {
 796             LOGGER.info("Error finding the controllerName for the given Policy: " + name);
 797             return;
 798         }
 799         syncProject(controllerName);
 800         getNameAndSetRemove(controllerName, name);
 801     }
 802
 803     private String getGroupName(String name) {
 804         if (policyMap.containsKey(name)) {
 805             return policyMap.get(name);
 806         } else {
 807             syncGroupInfo();
 808             return policyMap.containsKey(name) ? policyMap.get(name) : null;
 809         }
 810     }
 811
 812     private void addModifiedGroup(String controllerName, String operation) {
 813         if (controllerName != null) {
 814             modifiedGroups.put(controllerName, operation);
 815         }
 816     }
 817
 818     private void addNotification(String controllerName, String operation) {
 819         ControllerPOJO controllerPOJO = new ControllerPOJO();
 820         controllerPOJO.setName(controllerName);
 821         controllerPOJO.setOperation(operation);
 822         HashMap<String, String> drools = new HashMap<>();
 823         drools.put("groupId", getGroupID(controllerName));
 824         drools.put("artifactId", getArtifactID(controllerName));
 825         drools.put("version", getVersion(controllerName));
 826         controllerPOJO.setDrools(drools);
 827         controllers.add(controllerPOJO);
 828         try {
 829             LOGGER.debug("Notification added: " + PolicyUtils.objectToJsonString(controllerPOJO));
 830         } catch (JsonProcessingException e) {
 831             LOGGER.error(MessageCodes.ERROR_SCHEMA_INVALID + "Json Processing Error " + e);
 832         }
 833     }
 834
 835     private void removedRuleModifiedGroup(String controllerName) {
 836         // This will be sending Notification to PDPD directly to Lock
 837         ControllerPOJO controllerPOJO = new ControllerPOJO();
 838         controllerPOJO.setName(controllerName);
 839         controllerPOJO.setOperation("lock");
 840         List<ControllerPOJO> controllerPojos = new ArrayList<>();
 841         controllerPojos.add(controllerPOJO);
 842         sendNotification(controllerPojos);
 843     }
 844
 845     private void sendNotification(List<ControllerPOJO> controllers) {
 846         NotificationPOJO notification = new NotificationPOJO();
 847         String requestId = UUID.randomUUID().toString();
 848         LOGGER.info("Generating notification RequestID : " + requestId);
 849         notification.setRequestID(requestId);
 850         notification.setEntity("controller");
 851         notification.setControllers(controllers);
 852         try {
 853             String notificationJson = PolicyUtils.objectToJsonString(notification);
 854             LOGGER.info("Sending Notification :\n" + notificationJson);
 855             sendMessage(notificationJson);
 856         } catch (Exception e) {
 857             LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while sending notification to PDP-D "
 858                     + e.getMessage(), e);
 859         }
 860     }
 861
 862     private void sendMessage(String message) throws IOException, GeneralSecurityException, InterruptedException {
 863
 864         if ("dmaap".equalsIgnoreCase(notificationType)) {
 865             // Sending Message through DMaaP Message Router
 866             LOGGER.debug("DMAAP Publishing Message");
 867
 868             publisher.send("MyPartitionKey", message);
 869
 870             LOGGER.debug("Message Published on DMaaP :" + dmaapList.get(0) + "for Topic: " + pubTopic);
 871
 872             Thread.sleep(dmaapDelay);
 873             publisher.close();
 874         } else {
 875             // Sending Message through UEB interface.
 876             LOGGER.debug("UEB Publishing Message");
 877
 878             CambriaBatchingPublisher pub = pubBuilder.build();
 879             pub.send("MyPartitionKey", message);
 880
 881             final List<?> stuck = pub.close(uebDelay, TimeUnit.SECONDS);
 882             if (!stuck.isEmpty()) {
 883                 LOGGER.error(stuck.size() + " messages unsent");
 884             } else {
 885                 LOGGER.debug("Clean exit; Message Published on UEB : " + uebList + "for Topic: " + pubTopic);
 886             }
 887         }
 888
 889     }
 890
 891     private void createPom(String name) {
 892         Model model = new Model();
 893         model.setModelVersion("4.0.0");
 894         model.setGroupId(getGroupID(name));
 895         model.setArtifactId(getArtifactID(name));
 896         model.setVersion(getVersion(name));
 897         model.setName(name);
 898         DistributionManagement distributionManagement = new DistributionManagement();
 899         DeploymentRepository repository = new DeploymentRepository();
 900         repository.setId(repID);
 901         repository.setName(repName);
 902         repository.setUrl(repURLs.get(0));
 903         distributionManagement.setRepository(repository);
 904         model.setDistributionManagement(distributionManagement);
 905         // Dependency Management goes here.
 906         List<Dependency> dependencyList = new ArrayList<>();
 907         if (groupMap.get(name).size() > 1) {
 908             @SuppressWarnings("unchecked")
 909             ArrayList<PEDependency> dependencies = (ArrayList<PEDependency>) groupMap.get(name).get(1);
 910             for (PEDependency dependency : dependencies) {
 911                 dependencyList.add(dependency.getDependency());
 912             }
 913         } else {
 914             // Add Default dependencies.
 915             dependencyList = getDependencies(name);
 916         }
 917         model.setDependencies(dependencyList);
 918         Writer writer = null;
 919         try {
 920             writer = WriterFactory.newXmlWriter(
 921                     new File(PROJECTSLOCATION + File.separator + getArtifactID(name) + File.separator + POM_XML_FILE));
 922             MavenXpp3Writer pomWriter = new MavenXpp3Writer();
 923             pomWriter.write(writer, model);
 924         } catch (Exception e) {
 925             LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while creating POM for " + getArtifactID(name)
 926                     + e.getMessage(), e);
 927         } finally {
 928             IOUtil.close(writer);
 929         }
 930     }
 931
 932     private List<Dependency> getDependencies(String controllerName) {
 933         // Read the Dependency Information from property file.
 934         Path file = Paths.get(DEPENDENCY_FILE);
 935         if (!Files.notExists(file)) {
 936             try {
 937                 String dependencyJSON = new String(Files.readAllBytes(file), StandardCharsets.UTF_8);
 938                 DependencyInfo dependencyInfo = PolicyUtils.jsonStringToObject(dependencyJSON, DependencyInfo.class);
 939                 String controller = "default";
 940                 if (dependencyInfo.getDependencies().containsKey(controllerName)) {
 941                     controller = controllerName;
 942                 }
 943                 List<Dependency> dependencyList = new ArrayList<>();
 944                 for (PEDependency dependency : dependencyInfo.getDependencies().get(controller)) {
 945                     dependencyList.add(dependency.getDependency());
 946                 }
 947                 return dependencyList;
 948             } catch (IOException | NullPointerException e) {
 949                 LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW
 950                         + "Error while getting dependecy Information for controller: " + controllerName
 951                         + e.getMessage(), e);
 952             }
 953         }
 954         return defaultDependencies(controllerName);
 955     }
 956
 957     // Default Dependency Section. Can be changed as required.
 958     public List<Dependency> defaultDependencies(String controllerName) {
 959
 960         List<Dependency> dependencyList = new ArrayList<>();
 961         String version = StringEscapeUtils.escapeJava(brmsdependencyversion);
 962
 963         Dependency demoDependency = new Dependency();
 964         demoDependency.setGroupId(DROOLS_APPS_PACKAGE);
 965         demoDependency.setArtifactId("demo");
 966         demoDependency.setVersion(version);
 967         dependencyList.add(demoDependency);
 968
 969         Dependency controlloopDependency = new Dependency();
 970         controlloopDependency.setGroupId(DROOLS_APPS_PACKAGE);
 971         controlloopDependency.setArtifactId("events");
 972         controlloopDependency.setVersion(version);
 973         dependencyList.add(controlloopDependency);
 974
 975         Dependency restDependency = new Dependency();
 976         restDependency.setGroupId(DROOLS_APPS_PACKAGE);
 977         restDependency.setArtifactId("rest");
 978         restDependency.setVersion(version);
 979         dependencyList.add(restDependency);
 980
 981         Dependency appcDependency = new Dependency();
 982         appcDependency.setGroupId(DROOLS_APPS_PACKAGE);
 983         appcDependency.setArtifactId("appc");
 984         appcDependency.setVersion(version);
 985         dependencyList.add(appcDependency);
 986
 987         Dependency aaiDependency = new Dependency();
 988         aaiDependency.setGroupId(DROOLS_APPS_PACKAGE);
 989         aaiDependency.setArtifactId("aai");
 990         aaiDependency.setVersion(version);
 991         dependencyList.add(aaiDependency);
 992
 993         Dependency msoDependency = new Dependency();
 994         msoDependency.setGroupId(DROOLS_APPS_PACKAGE);
 995         msoDependency.setArtifactId("mso");
 996         msoDependency.setVersion(version);
 997         dependencyList.add(msoDependency);
 998
 999         Dependency trafficgeneratorDependency = new Dependency();
1000         trafficgeneratorDependency.setGroupId(DROOLS_APPS_PACKAGE);
1001         trafficgeneratorDependency.setArtifactId("trafficgenerator");
1002         trafficgeneratorDependency.setVersion(version);
1003         dependencyList.add(trafficgeneratorDependency);
1004         return dependencyList;
1005     }
1006
1007     private void createProject(String path, String ksessionName) {
1008         new File(path + File.separator + RULES).mkdirs();
1009         new File(path + File.separator + META_INF).mkdirs();
1010         if (!Files.exists(Paths.get(path + File.separator + META_INF + File.separator + KMODULE_XML_FILE))) {
1011             // Hard coding XML for PDP Drools to accept our Rules.
1012             String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + "\n"
1013                     + "<kmodule xmlns=\"http://jboss.org/kie/6.0.0/kmodule\">" + "\n"
1014                     + "<kbase name=\"rules\" packages=\"rules\">" + "\n" + "<ksession name=\"" + ksessionName + "\"/>"
1015                     + "\n" + "</kbase></kmodule>";
1016             copyDataToFile(path + File.separator + META_INF + File.separator + KMODULE_XML_FILE, xml);
1017         }
1018     }
1019
1020     private void copyDataToFile(String file, String rule) {
1021         try {
1022             FileUtils.writeStringToFile(new File(file), rule);
1023         } catch (Exception e) {
1024             LOGGER.error(
1025                     XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while creating Rule for " + file + e.getMessage(),
1026                     e);
1027         }
1028     }
1029
1030     private void readGroups(Properties config) throws PolicyException {
1031         String[] groupNames;
1032         String groupNamesError = "groupNames property is missing or empty from the property file ";
1033                 if (!config.containsKey(GROUP_NAMES) || config.getProperty(GROUP_NAMES)==null){
1034             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
1035                     + groupNamesError);
1036         }
1037         if (config.getProperty(GROUP_NAMES).contains(",")) {
1038             groupNames = config.getProperty(GROUP_NAMES).replaceAll(" ", "").split(",");
1039         } else {
1040             groupNames = new String[] { config.getProperty(GROUP_NAMES).replaceAll(" ", "") };
1041         }
1042         if (groupNames == null || groupNames.length == 0) {
1043             LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE
1044                     + groupNamesError);
1045             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
1046                     + groupNamesError);
1047         }
1048         groupMap = new HashMap<>();
1049         for (int counter = 0; counter < groupNames.length; counter++) {
1050             String name = groupNames[counter];
1051             String groupID = config.getProperty(name + ".groupID");
1052             if (groupID == null) {
1053                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1054                         + ".groupID property is missing from the property file ");
1055                 throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1056                         + ".groupID property is missing from the property file ");
1057             }
1058             String artifactID = config.getProperty(name + ".artifactID");
1059             if (artifactID == null) {
1060                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1061                         + ".artifactID property is missing from the property file ");
1062                 throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1063                         + ".artifactID property is missing from the property file ");
1064             }
1065             PEDependency dependency = new PEDependency();
1066             dependency.setArtifactId(artifactID);
1067             dependency.setGroupId(groupID);
1068             // Add to list if we got all
1069             addToGroup(name, dependency);
1070         }
1071     }
1072
1073     private void addToGroup(String name, PEDependency dependency) {
1074         ArrayList<Object> values = new ArrayList<>();
1075         values.add(dependency);
1076         groupMap.put(name, values);
1077         EntityTransaction et = em.getTransaction();
1078         et.begin();
1079         Query query = em.createQuery("select b from BRMSGroupInfo as b where b.controllerName = :cn");
1080         query.setParameter("cn", name);
1081         List<?> groupList = query.getResultList();
1082         BRMSGroupInfo brmsGroupInfo = null;
1083         if (!groupList.isEmpty()) {
1084             LOGGER.info("Controller name already Existing in DB. Will be updating the DB Values" + name);
1085             brmsGroupInfo = (BRMSGroupInfo) groupList.get(0);
1086         }
1087         if (brmsGroupInfo == null) {
1088             brmsGroupInfo = new BRMSGroupInfo();
1089         }
1090         brmsGroupInfo.setControllerName(name);
1091         brmsGroupInfo.setGroupId(dependency.getGroupId());
1092         brmsGroupInfo.setArtifactId(dependency.getArtifactId());
1093         brmsGroupInfo.setVersion(dependency.getVersion());
1094         em.persist(brmsGroupInfo);
1095         em.flush();
1096         et.commit();
1097     }
1098
1099     private String getArtifactID(String name) {
1100         return ((PEDependency) groupMap.get(name).get(0)).getArtifactId();
1101     }
1102
1103     private String getGroupID(String name) {
1104         return ((PEDependency) groupMap.get(name).get(0)).getGroupId();
1105     }
1106
1107     private String getVersion(String name) {
1108         return ((PEDependency) groupMap.get(name).get(0)).getVersion();
1109     }
1110
1111     private void getNameAndSetRemove(String controllerName, String policyName) {
1112         String artifactName = getArtifactID(controllerName);
1113         String ruleFolder = PROJECTSLOCATION + File.separator + artifactName + File.separator + "src" + File.separator
1114                 + "main" + File.separator + RESOURCES + File.separator + RULES;
1115         File file = new File(ruleFolder + File.separator + policyName + ".drl");
1116         if (file.delete()) {
1117             LOGGER.info("Deleted File.. " + file.getAbsolutePath());
1118             removePolicyFromGroup(policyName, controllerName);
1119         }
1120         if (new File(ruleFolder).listFiles().length == 0) {
1121             removedRuleModifiedGroup(controllerName);
1122         } else {
1123             // This is an update in terms of PDPD.
1124             addModifiedGroup(controllerName, "update");
1125         }
1126     }
1127
1128     // Removes Policy from Memory and Database.
1129     private void removePolicyFromGroup(String policyName, String controllerName) {
1130         policyMap.remove(policyName);
1131         EntityTransaction et = em.getTransaction();
1132         et.begin();
1133         Query query = em.createQuery("select b from BRMSPolicyInfo as b where b.policyName = :pn");
1134         query.setParameter("pn", policyName);
1135         List<?> pList = query.getResultList();
1136         BRMSPolicyInfo brmsPolicyInfo;
1137         if (!pList.isEmpty()) {
1138             // Already exists.
1139             brmsPolicyInfo = (BRMSPolicyInfo) pList.get(0);
1140             if (brmsPolicyInfo.getControllerName().getControllerName().equals(controllerName)) {
1141                 em.remove(brmsPolicyInfo);
1142                 em.flush();
1143             }
1144         }
1145         et.commit();
1146     }
1147
1148     private void setVersion(String newVersion, String controllerName) {
1149         PEDependency userController = (PEDependency) groupMap.get(controllerName).get(0);
1150         userController.setVersion(newVersion);
1151         groupMap.get(controllerName).set(0, userController);
1152     }
1153
1154     // Return BackUpMonitor
1155     public static BackUpMonitor getBackUpMonitor() {
1156         return bm;
1157     }
1158
1159     public void rotateURLs() {
1160         if (repURLs != null) {
1161             Collections.rotate(repURLs, -1);
1162         }
1163     }
1164
1165     public int urlListSize() {
1166         if (repURLs != null) {
1167             return repURLs.size();
1168         } else
1169             return 0;
1170     }
1171 }