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

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP Policy Engine
   4  * ================================================================================
   5  * Copyright (C) 2017-2018 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.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.IntegrityMonitor;
  77 import org.onap.policy.common.logging.eelf.MessageCodes;
  78 import org.onap.policy.common.logging.eelf.PolicyLogger;
  79 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  80 import org.onap.policy.common.logging.flexlogger.Logger;
  81 import org.onap.policy.utils.BackUpHandler;
  82 import org.onap.policy.utils.BackUpMonitor;
  83 import org.onap.policy.utils.BusPublisher;
  84 import org.onap.policy.utils.PolicyUtils;
  85 import org.onap.policy.xacml.api.XACMLErrorConstants;
  86 import org.sonatype.nexus.client.NexusClient;
  87 import org.sonatype.nexus.client.NexusClientException;
  88 import org.sonatype.nexus.client.NexusConnectionException;
  89 import org.sonatype.nexus.client.rest.NexusRestClient;
  90 import org.sonatype.nexus.rest.model.NexusArtifact;
  91
  92 import com.att.nsa.cambria.client.CambriaBatchingPublisher;
  93 import com.att.nsa.cambria.client.CambriaClientBuilders;
  94 import com.att.nsa.cambria.client.CambriaClientBuilders.PublisherBuilder;
  95 import com.fasterxml.jackson.core.JsonProcessingException;
  96
  97 /**
  98  * BRMSPush: Application responsible to push policies to the BRMS PDP Policy Repository (PR). Mavenize and push policy
  99  * to PR
 100  *
 101  * @version 1.0
 102  */
 103
 104 @SuppressWarnings("deprecation")
 105 public class BRMSPush {
 106     private static final String GROUP_NAMES = "groupNames";
 107         private static final String DROOLS_APPS_TEMPLATE_GROUP = "org.onap.policy.drools-applications.controlloop.templates";
 108         private static final String DROOLS_APPS_MODEL_GROUP    = "org.onap.policy.drools-applications.controlloop.common.model-impl";
 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     public void resetDS(){
 379         resetModifiedGroups();
 380         controllers = new ArrayList<>();
 381     }
 382
 383     private static void resetModifiedGroups() {
 384         modifiedGroups = new HashMap<>();
 385     }
 386
 387     /**
 388      * Will Add rules to projects. Creates necessary folders if required.
 389      */
 390     public void addRule(String name, String rule, Map<String, String> responseAttributes) {
 391         // 1 check the response Attributes and determine if this belongs to any projects.
 392         // 2 if not create folder
 393         // 3 create pom.
 394         // 4 copy the rule.
 395         // 5 store the groups that have been updated.
 396         String kSessionName = null;
 397         String selectedName = null;
 398         if (!responseAttributes.isEmpty()) {
 399             // Pick selected Value
 400             String userControllerName = null;
 401             ArrayList<PEDependency> userDependencies = new ArrayList<>();
 402             for (Map.Entry<String, String> entry: responseAttributes.entrySet()) {
 403                 String key = entry.getKey();
 404                 String value = entry.getValue();
 405                 if (key.equals(policyKeyID)) {
 406                     selectedName = value;
 407                 }
 408                 // kmodule configurations
 409                 else if ("kSessionName".equals(key)) {
 410                     kSessionName = value;
 411                 }
 412                 // Check User Specific values.
 413                 if ("$controller:".equals(key)) {
 414                     try {
 415                         PEDependency dependency = PolicyUtils.jsonStringToObject(value,
 416                                 PEDependency.class);
 417                         userControllerName = key.replaceFirst("$controller:", "");
 418                         LOGGER.info("addRule: userControllerName - " + userControllerName + ", dependency: - " + dependency);
 419                         addToGroup(userControllerName, dependency);
 420                     } catch (Exception e) {
 421                         LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while resolving Controller: " + e);
 422                     }
 423
 424                 } else if ("$dependency$".equals(key) && value.startsWith("[") && value.endsWith("]")) {
 425                     value = value.substring(1, value.length() - 1).trim();
 426                     List<String> dependencyStrings = Arrays.asList(value.split("},{"));
 427                     for (String dependencyString : dependencyStrings) {
 428                         try {
 429                             userDependencies
 430                                     .add(PolicyUtils.jsonStringToObject(dependencyString, PEDependency.class));
 431                         } catch (Exception e) {
 432                             LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW
 433                                     + "Error while resolving Dependencies: " + e);
 434                         }
 435                     }
 436                 }
 437             }
 438             if (userControllerName != null) {
 439                 // Adding custom dependencies here.
 440                 ArrayList<Object> values = groupMap.get(userControllerName);
 441                 values.add(userDependencies);
 442                 groupMap.put(userControllerName, values);
 443                 selectedName = userControllerName;
 444             }
 445         }
 446         // If no Match then pick Default.
 447         if (selectedName == null) {
 448             selectedName = defaultName;
 449         }
 450         if (groupMap.containsKey(selectedName)) {
 451             // If the key is not got as parameters set by the user, setting the default value for kSessionName as
 452             // closedLoop
 453             if (kSessionName == null) {
 454                 LOGGER.info("kSessionName is null, selectedName is  : " + selectedName );
 455                 if (selectedName == defaultName) {
 456                     kSessionName = "closedloop";
 457                 } else {
 458                     kSessionName = "closedloop-" + selectedName;
 459                 }
 460             }
 461             // create directories if missing.
 462             manageProject(selectedName, kSessionName, name, rule);
 463             addModifiedGroup(selectedName, "update"); // Will check for Create Later after generating the Pom.
 464         }
 465     }
 466
 467     private void syncGroupInfo() {
 468         // Sync DB to JMemory.
 469         EntityTransaction et = em.getTransaction();
 470         et.begin();
 471         Query query = em.createQuery("select b from BRMSGroupInfo AS b");
 472         List<?> bList = query.getResultList();
 473         if (bList.size() != groupMap.size()) {
 474             for (Object value : bList) {
 475                 BRMSGroupInfo brmsGroupInfo = (BRMSGroupInfo) value;
 476                 PEDependency dependency = new PEDependency();
 477                 dependency.setArtifactId(brmsGroupInfo.getArtifactId());
 478                 dependency.setGroupId(brmsGroupInfo.getGroupId());
 479                 dependency.setVersion(brmsGroupInfo.getVersion());
 480                 ArrayList<Object> values = new ArrayList<>();
 481                 values.add(dependency);
 482                 groupMap.put(brmsGroupInfo.getControllerName(), values);
 483             }
 484         }
 485         query = em.createQuery("select g from BRMSPolicyInfo AS g");
 486         bList = query.getResultList();
 487         if (bList.size() != policyMap.size()) {
 488             for (Object value : bList) {
 489                 BRMSPolicyInfo brmsPolicyInfo = (BRMSPolicyInfo) value;
 490                 policyMap.put(brmsPolicyInfo.getPolicyName(), brmsPolicyInfo.getControllerName().getControllerName());
 491             }
 492         }
 493         et.commit();
 494         LOGGER.info("Updated Local Memory values with values from database.");
 495     }
 496
 497     private void manageProject(String selectedName, String kSessionName, String name, String rule) {
 498         // Check if the Project is in Sync. If not get the latest Version.
 499         syncProject(selectedName);
 500         createProject(PROJECTSLOCATION + File.separator + getArtifactID(selectedName) + File.separator + "src"
 501                 + File.separator + "main" + File.separator + RESOURCES, kSessionName);
 502         copyDataToFile(PROJECTSLOCATION + File.separator + getArtifactID(selectedName) + File.separator + "src"
 503                 + File.separator + "main" + File.separator + RESOURCES + File.separator + RULES + File.separator
 504                 + name + ".drl", rule);
 505         addToPolicy(name, selectedName);
 506     }
 507
 508     /*
 509      * Add Policy to JMemory and DataBase.
 510      */
 511     private void addToPolicy(String policyName, String controllerName) {
 512         policyMap.put(policyName, controllerName);
 513         EntityTransaction et = em.getTransaction();
 514         et.begin();
 515         Query query = em.createQuery("select b from BRMSPolicyInfo as b where b.policyName = :pn");
 516         query.setParameter("pn", policyName);
 517         List<?> pList = query.getResultList();
 518         boolean create = false;
 519         BRMSPolicyInfo brmsPolicyInfo = new BRMSPolicyInfo();
 520         if (!pList.isEmpty()) {
 521             // Already exists.
 522             brmsPolicyInfo = (BRMSPolicyInfo) pList.get(0);
 523             if (!brmsPolicyInfo.getControllerName().getControllerName().equals(controllerName)) {
 524                 create = true;
 525             }
 526         } else {
 527             create = true;
 528         }
 529         if (create) {
 530             query = em.createQuery("select b from BRMSGroupInfo as b where b.controllerName = :cn");
 531             query.setParameter("cn", controllerName);
 532             List<?> bList = query.getResultList();
 533             BRMSGroupInfo brmsGroupInfo = new BRMSGroupInfo();
 534             if (!bList.isEmpty()) {
 535                 brmsGroupInfo = (BRMSGroupInfo) bList.get(0);
 536             }
 537             brmsPolicyInfo.setPolicyName(policyName);
 538             brmsPolicyInfo.setControllerName(brmsGroupInfo);
 539             em.persist(brmsPolicyInfo);
 540             em.flush();
 541         }
 542         et.commit();
 543     }
 544
 545     private void syncProject(String selectedName) {
 546         boolean projectExists = checkProject(selectedName);
 547         if (projectExists) {
 548             String version;
 549             version = getVersion(selectedName);
 550             if (version == null) {
 551                 LOGGER.error("Error getting local version for the given Controller Name:" + selectedName
 552                         + " going with Default value");
 553                 version = VERSION_0_1_0;
 554             }
 555             String nextVersion = incrementVersion(version);
 556             boolean outOfSync = checkRemoteSync(selectedName, nextVersion);
 557             if (!outOfSync) {
 558                 return;
 559             }
 560         }
 561         // We are out of Sync or Project is not Present.
 562         downloadProject(selectedName);
 563     }
 564
 565     private void downloadProject(String selectedName) {
 566         NexusArtifact artifact = getLatestArtifactFromNexus(selectedName);
 567         if (artifact == null)
 568             return;
 569         String dirName = getDirectoryName(selectedName);
 570         URL website;
 571         String fileName = "rule.jar";
 572         try {
 573             website = new URL(artifact.getResourceURI());
 574             ReadableByteChannel rbc = Channels.newChannel(website.openStream());
 575             FileOutputStream fos = new FileOutputStream(fileName);
 576             fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
 577             fos.close();
 578             extractJar(fileName, dirName);
 579             new File(fileName).delete();
 580         } catch (IOException e) {
 581             LOGGER.error("Error while downloading the project to File System. " + e.getMessage(), e);
 582         }
 583     }
 584
 585     private void extractJar(String jarFileName, String artifactId) throws IOException {
 586         JarFile jar = new JarFile(jarFileName);
 587         Enumeration<?> enumEntries = jar.entries();
 588         while (enumEntries.hasMoreElements()) {
 589             JarEntry file = (JarEntry) enumEntries.nextElement();
 590             File f = null;
 591             String fileName = file.getName().substring(file.getName().lastIndexOf("/") + 1);
 592             if (file.getName().endsWith(".drl")) {
 593                 String path = PROJECTSLOCATION + File.separator + artifactId + File.separator + "src" + File.separator
 594                         + "main" + File.separator + RESOURCES + File.separator + RULES;
 595                 new File(path).mkdirs();
 596                 if (syncFlag && policyMap.containsKey(fileName.replace(".drl", ""))) {
 597                     f = new File(path + File.separator + fileName);
 598                 } else {
 599                     f = new File(path + File.separator + fileName);
 600                 }
 601             } else if (file.getName().endsWith(POM_XML_FILE)) {
 602                 String path = PROJECTSLOCATION + File.separator + artifactId;
 603                 new File(path).mkdirs();
 604                 f = new File(path + File.separator + fileName);
 605             } else if (file.getName().endsWith(KMODULE_XML_FILE)) {
 606                 String path = PROJECTSLOCATION + File.separator + artifactId + File.separator + "src" + File.separator
 607                         + "main" + File.separator + RESOURCES + File.separator + META_INF;
 608                 new File(path).mkdirs();
 609                 f = new File(path + File.separator + fileName);
 610             }
 611             if (f != null) {
 612                 InputStream is = jar.getInputStream(file);
 613                 FileOutputStream fos = new FileOutputStream(f);
 614                 while (is.available() > 0) {
 615                     fos.write(is.read());
 616                 }
 617                 fos.close();
 618                 is.close();
 619                 LOGGER.info(fileName + " Created..");
 620             }
 621         }
 622         jar.close();
 623     }
 624
 625     private NexusArtifact getLatestArtifactFromNexus(String selectedName) {
 626         List<NexusArtifact> artifacts = getArtifactFromNexus(selectedName, null);
 627         int bigNum = 0;
 628         int smallNum = 0;
 629         NexusArtifact result = null;
 630         for (NexusArtifact artifact : artifacts) {
 631             int majorVal = Integer.parseInt(artifact.getVersion().substring(0, artifact.getVersion().indexOf(".")));
 632             int minorVal = Integer.parseInt(artifact.getVersion().substring(artifact.getVersion().indexOf(".") + 1,
 633                     artifact.getVersion().lastIndexOf(".")));
 634             if (majorVal > bigNum) {
 635                 bigNum = majorVal;
 636                 smallNum = minorVal;
 637             }
 638             if ((bigNum == majorVal) && (minorVal > smallNum)) {
 639                 smallNum = minorVal;
 640             }
 641             if (bigNum == majorVal && minorVal == smallNum) {
 642                 result = artifact;
 643             }
 644         }
 645         return additionalNexusLatestCheck(selectedName, result);
 646     }
 647
 648     // Additional Check due to Limitations from Nexus API to check if the artifact is the latest.
 649     private NexusArtifact additionalNexusLatestCheck(String selectedName, NexusArtifact result) {
 650         if(result==null){
 651             return result;
 652         }
 653         String nextVersion = incrementVersion(result.getVersion());
 654         List<NexusArtifact> artifact = getArtifactFromNexus(selectedName, nextVersion);
 655         return artifact.isEmpty() ? result : additionalNexusLatestCheck(selectedName, artifact.get(0));
 656     }
 657
 658     private boolean checkRemoteSync(String selectedName, String version) {
 659         List<NexusArtifact> artifacts = getArtifactFromNexus(selectedName, version);
 660         return artifacts.isEmpty() ? false : true;
 661     }
 662
 663     private List<NexusArtifact> getArtifactFromNexus(String selectedName, String version) {
 664         final NexusClient client = new NexusRestClient();
 665         int i = 0;
 666         boolean flag = false;
 667         while (i < repURLs.size()) {
 668             try {
 669                 String repURL = repURLs.get(0);
 670                 client.connect(repURL.substring(0, repURL.indexOf(repURL.split(":[0-9]+\\/nexus")[1])), repUserName,
 671                         repPassword);
 672                 final NexusArtifact template = new NexusArtifact();
 673                 template.setGroupId(getGroupID(selectedName));
 674                 template.setArtifactId(getArtifactID(selectedName));
 675                 if (version != null) {
 676                     template.setVersion(version);
 677                 }
 678                 List<NexusArtifact> resultList = client.searchByGAV(template);
 679                 if (resultList != null) {
 680                     flag = true;
 681                     return resultList;
 682                 }
 683             } catch (NexusClientException | NexusConnectionException | NullPointerException e) {
 684                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Connection to remote Nexus has failed. "
 685                         + e.getMessage(), e);
 686             } finally {
 687                 try {
 688                     client.disconnect();
 689                 } catch (NexusClientException | NexusConnectionException e) {
 690                     LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "failed to disconnect Connection from Nexus."
 691                             + e.getMessage(), e);
 692                 }
 693                 if (!flag) {
 694                     Collections.rotate(repURLs, -1);
 695                     i++;
 696                 }
 697             }
 698         }
 699         return new ArrayList<>();
 700     }
 701
 702     private void setVersion(String selectedName) {
 703         String newVersion = VERSION_0_1_0;
 704         createFlag = false;
 705         NexusArtifact artifact = getLatestArtifactFromNexus(selectedName);
 706         if (artifact != null) {
 707             newVersion = incrementVersion(artifact.getVersion());
 708         }
 709         if (VERSION_0_1_0.equals(newVersion)) {
 710             createFlag = true;
 711         }
 712         setVersion(newVersion, selectedName);
 713         LOGGER.info("Controller: " + selectedName + "is on version: " + newVersion);
 714     }
 715
 716     private String incrementVersion(String version) {
 717         int majorVal = Integer.parseInt(version.substring(0, version.indexOf(".")));
 718         int minorVal = Integer.parseInt(version.substring(version.indexOf(".") + 1, version.lastIndexOf(".")));
 719         if (minorVal >= 9) {
 720             majorVal += 1;
 721             minorVal = 0;
 722         } else {
 723             minorVal += 1;
 724         }
 725         return majorVal + "." + minorVal + version.substring(version.lastIndexOf("."));
 726     }
 727
 728     private boolean checkProject(String selectedName) {
 729         return new File(PROJECTSLOCATION + File.separator + getDirectoryName(selectedName)).exists();
 730     }
 731
 732     private String getDirectoryName(String selectedName) {
 733         return getArtifactID(selectedName);
 734     }
 735
 736     /**
 737      * Will Push policies to the PolicyRepo.
 738      *
 739      * @param notificationType
 740      *            <String> type of notification Type.
 741      * @throws PolicyException
 742      */
 743     public void pushRules() throws PolicyException {
 744         // Check how many groups have been updated.
 745         // Invoke their Maven process.
 746         try {
 747             im.startTransaction();
 748         } catch (Exception e) {
 749             LOGGER.error("Error while starting Transaction " + e);
 750         }
 751         if (!modifiedGroups.isEmpty()) {
 752             Boolean flag = false;
 753             for (Map.Entry<String, String> entry : modifiedGroups.entrySet()) {
 754                 InvocationResult result = null;
 755                 String group = entry.getKey();
 756                 try {
 757                         LOGGER.info("PushRules: ModifiedGroups, Key: " + group + ", Value: " + entry.getValue());
 758                     InvocationRequest request = new DefaultInvocationRequest();
 759                     setVersion(group);
 760                     createPom(group);
 761                     request.setPomFile(new File(
 762                             PROJECTSLOCATION + File.separator + getArtifactID(group) + File.separator + POM_XML_FILE));
 763                     request.setGoals(Arrays.asList(GOALS));
 764                     Invoker invoker = new DefaultInvoker();
 765                     result = invoker.execute(request);
 766                     if (result.getExecutionException() != null) {
 767                         LOGGER.error(result.getExecutionException());
 768                     } else if (result.getExitCode() != 0) {
 769                         LOGGER.error("Maven Invocation failure..!");
 770                     }
 771                 } catch (Exception e) {
 772                     LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Maven Invocation issue for "
 773                             + getArtifactID(group) + e.getMessage(), e);
 774                 }
 775                 if (result != null && result.getExitCode() == 0) {
 776                     LOGGER.info("Build Completed..!");
 777                     if (createFlag) {
 778                         addNotification(group, "create");
 779                     } else {
 780                         addNotification(group, entry.getValue());
 781                     }
 782                     flag = true;
 783                 } else {
 784                     throw new PolicyException(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Maven Invocation failure!");
 785                 }
 786             }
 787             if (flag) {
 788                 sendNotification(controllers);
 789             }
 790         }
 791         if (im != null) {
 792             im.endTransaction();
 793         }
 794     }
 795
 796     /**
 797      * Removes a Rule from Rule Projects.
 798      */
 799     public void removeRule(String name) {
 800         String controllerName = getGroupName(name);
 801         if (controllerName == null) {
 802             LOGGER.info("Error finding the controllerName for the given Policy: " + name);
 803             return;
 804         }
 805         syncProject(controllerName);
 806         getNameAndSetRemove(controllerName, name);
 807     }
 808
 809     private String getGroupName(String name) {
 810         if (policyMap.containsKey(name)) {
 811             return policyMap.get(name);
 812         } else {
 813             syncGroupInfo();
 814             return policyMap.containsKey(name) ? policyMap.get(name) : null;
 815         }
 816     }
 817
 818     private void addModifiedGroup(String controllerName, String operation) {
 819         if (controllerName != null) {
 820             modifiedGroups.put(controllerName, operation);
 821         }
 822     }
 823
 824     private void addNotification(String controllerName, String operation) {
 825         ControllerPOJO controllerPOJO = new ControllerPOJO();
 826         controllerPOJO.setName(controllerName);
 827         controllerPOJO.setOperation(operation);
 828         HashMap<String, String> drools = new HashMap<>();
 829         drools.put("groupId", getGroupID(controllerName));
 830         drools.put("artifactId", getArtifactID(controllerName));
 831         drools.put("version", getVersion(controllerName));
 832         controllerPOJO.setDrools(drools);
 833         controllers.add(controllerPOJO);
 834         try {
 835             LOGGER.debug("Notification added: " + PolicyUtils.objectToJsonString(controllerPOJO));
 836         } catch (JsonProcessingException e) {
 837             LOGGER.error(MessageCodes.ERROR_SCHEMA_INVALID + "Json Processing Error " + e);
 838         }
 839     }
 840
 841     private void removedRuleModifiedGroup(String controllerName) {
 842         // This will be sending Notification to PDPD directly to Lock
 843         ControllerPOJO controllerPOJO = new ControllerPOJO();
 844         controllerPOJO.setName(controllerName);
 845         controllerPOJO.setOperation("lock");
 846         List<ControllerPOJO> controllerPojos = new ArrayList<>();
 847         controllerPojos.add(controllerPOJO);
 848         sendNotification(controllerPojos);
 849     }
 850
 851     private void sendNotification(List<ControllerPOJO> controllers) {
 852         NotificationPOJO notification = new NotificationPOJO();
 853         String requestId = UUID.randomUUID().toString();
 854         LOGGER.info("Generating notification RequestID : " + requestId);
 855         notification.setRequestID(requestId);
 856         notification.setEntity("controller");
 857         notification.setControllers(controllers);
 858         try {
 859             String notificationJson = PolicyUtils.objectToJsonString(notification);
 860             LOGGER.info("Sending Notification :\n" + notificationJson);
 861             sendMessage(notificationJson);
 862         } catch (Exception e) {
 863             LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while sending notification to PDP-D "
 864                     + e.getMessage(), e);
 865         }
 866     }
 867
 868     private void sendMessage(String message) throws IOException, GeneralSecurityException, InterruptedException {
 869
 870         if ("dmaap".equalsIgnoreCase(notificationType)) {
 871             // Sending Message through DMaaP Message Router
 872             LOGGER.debug("DMAAP Publishing Message");
 873
 874             publisher.send("MyPartitionKey", message);
 875
 876             LOGGER.debug("Message Published on DMaaP :" + dmaapList.get(0) + "for Topic: " + pubTopic);
 877
 878             Thread.sleep(dmaapDelay);
 879             publisher.close();
 880         } else {
 881             // Sending Message through UEB interface.
 882             LOGGER.debug("UEB Publishing Message");
 883
 884             CambriaBatchingPublisher pub = pubBuilder.build();
 885             pub.send("MyPartitionKey", message);
 886
 887             final List<?> stuck = pub.close(uebDelay, TimeUnit.SECONDS);
 888             if (!stuck.isEmpty()) {
 889                 LOGGER.error(stuck.size() + " messages unsent");
 890             } else {
 891                 LOGGER.debug("Clean exit; Message Published on UEB : " + uebList + "for Topic: " + pubTopic);
 892             }
 893         }
 894
 895     }
 896
 897     private void createPom(String name) {
 898         Model model = new Model();
 899         model.setModelVersion("4.0.0");
 900         model.setGroupId(getGroupID(name));
 901         model.setArtifactId(getArtifactID(name));
 902         model.setVersion(getVersion(name));
 903         model.setName(name);
 904         DistributionManagement distributionManagement = new DistributionManagement();
 905         DeploymentRepository repository = new DeploymentRepository();
 906         repository.setId(repID);
 907         repository.setName(repName);
 908         repository.setUrl(repURLs.get(0));
 909         distributionManagement.setRepository(repository);
 910         model.setDistributionManagement(distributionManagement);
 911         // Dependency Management goes here.
 912         List<Dependency> dependencyList = new ArrayList<>();
 913         if (groupMap.get(name).size() > 1) {
 914             @SuppressWarnings("unchecked")
 915             ArrayList<PEDependency> dependencies = (ArrayList<PEDependency>) groupMap.get(name).get(1);
 916             for (PEDependency dependency : dependencies) {
 917                 dependencyList.add(dependency.getDependency());
 918             }
 919         } else {
 920             // Add Default dependencies.
 921             dependencyList = getDependencies(name);
 922         }
 923         model.setDependencies(dependencyList);
 924         Writer writer = null;
 925         try {
 926             writer = WriterFactory.newXmlWriter(
 927                     new File(PROJECTSLOCATION + File.separator + getArtifactID(name) + File.separator + POM_XML_FILE));
 928             MavenXpp3Writer pomWriter = new MavenXpp3Writer();
 929             pomWriter.write(writer, model);
 930         } catch (Exception e) {
 931             LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while creating POM for " + getArtifactID(name)
 932                     + e.getMessage(), e);
 933         } finally {
 934             IOUtil.close(writer);
 935         }
 936     }
 937
 938     private List<Dependency> getDependencies(String controllerName) {
 939         // Read the Dependency Information from property file.
 940         Path file = Paths.get(DEPENDENCY_FILE);
 941         if (!Files.notExists(file)) {
 942             try {
 943                 String dependencyJSON = new String(Files.readAllBytes(file), StandardCharsets.UTF_8);
 944                 DependencyInfo dependencyInfo = PolicyUtils.jsonStringToObject(dependencyJSON, DependencyInfo.class);
 945                 String controller = "default";
 946                 if (dependencyInfo.getDependencies().containsKey(controllerName)) {
 947                     controller = controllerName;
 948                 }
 949                 List<Dependency> dependencyList = new ArrayList<>();
 950                 for (PEDependency dependency : dependencyInfo.getDependencies().get(controller)) {
 951                     dependencyList.add(dependency.getDependency());
 952                 }
 953                 return dependencyList;
 954             } catch (IOException | NullPointerException e) {
 955                 LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW
 956                         + "Error while getting dependecy Information for controller: " + controllerName
 957                         + e.getMessage(), e);
 958             }
 959         }
 960         return defaultDependencies(controllerName);
 961     }
 962
 963     // Default Dependency Section. Can be changed as required.
 964     public List<Dependency> defaultDependencies(String controllerName) {
 965
 966         List<Dependency> dependencyList = new ArrayList<>();
 967         String version = StringEscapeUtils.escapeJava(brmsdependencyversion);
 968
 969         Dependency demoDependency = new Dependency();
 970         demoDependency.setGroupId(DROOLS_APPS_TEMPLATE_GROUP);
 971         demoDependency.setArtifactId("template.demo");
 972         demoDependency.setVersion(version);
 973         dependencyList.add(demoDependency);
 974
 975         Dependency controlloopDependency = new Dependency();
 976         controlloopDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
 977         controlloopDependency.setArtifactId("events");
 978         controlloopDependency.setVersion(version);
 979         dependencyList.add(controlloopDependency);
 980
 981         Dependency restDependency = new Dependency();
 982         restDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
 983         restDependency.setArtifactId("controlloop.common.model-impl.rest");
 984         restDependency.setVersion(version);
 985         dependencyList.add(restDependency);
 986
 987         Dependency appcDependency = new Dependency();
 988         appcDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
 989         appcDependency.setArtifactId("controlloop.common.model-impl.appc");
 990         appcDependency.setVersion(version);
 991         dependencyList.add(appcDependency);
 992
 993         Dependency aaiDependency = new Dependency();
 994         aaiDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
 995         aaiDependency.setArtifactId("controlloop.common.model-impl.aai");
 996         aaiDependency.setVersion(version);
 997         dependencyList.add(aaiDependency);
 998
 999         Dependency msoDependency = new Dependency();
1000         msoDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
1001         msoDependency.setArtifactId("controlloop.common.model-impl.so");
1002         msoDependency.setVersion(version);
1003         dependencyList.add(msoDependency);
1004
1005         Dependency trafficgeneratorDependency = new Dependency();
1006         trafficgeneratorDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
1007         trafficgeneratorDependency.setArtifactId("controlloop.common.model-impl.trafficgenerator");
1008         trafficgeneratorDependency.setVersion(version);
1009         dependencyList.add(trafficgeneratorDependency);
1010         return dependencyList;
1011     }
1012
1013     private void createProject(String path, String ksessionName) {
1014         new File(path + File.separator + RULES).mkdirs();
1015         new File(path + File.separator + META_INF).mkdirs();
1016         if (!Files.exists(Paths.get(path + File.separator + META_INF + File.separator + KMODULE_XML_FILE))) {
1017             // Hard coding XML for PDP Drools to accept our Rules.
1018             String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + "\n"
1019                     + "<kmodule xmlns=\"http://jboss.org/kie/6.0.0/kmodule\">" + "\n"
1020                     + "<kbase name=\"rules\" packages=\"rules\">" + "\n" + "<ksession name=\"" + ksessionName + "\"/>"
1021                     + "\n" + "</kbase></kmodule>";
1022             copyDataToFile(path + File.separator + META_INF + File.separator + KMODULE_XML_FILE, xml);
1023         }
1024     }
1025
1026     private void copyDataToFile(String file, String rule) {
1027         try {
1028             FileUtils.writeStringToFile(new File(file), rule);
1029         } catch (Exception e) {
1030             LOGGER.error(
1031                     XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while creating Rule for " + file + e.getMessage(),
1032                     e);
1033         }
1034     }
1035
1036     private void readGroups(Properties config) throws PolicyException {
1037         String[] groupNames;
1038         String groupNamesError = "groupNames property is missing or empty from the property file ";
1039                 if (!config.containsKey(GROUP_NAMES) || config.getProperty(GROUP_NAMES)==null){
1040             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
1041                     + groupNamesError);
1042         }
1043         if (config.getProperty(GROUP_NAMES).contains(",")) {
1044             groupNames = config.getProperty(GROUP_NAMES).replaceAll(" ", "").split(",");
1045         } else {
1046             groupNames = new String[] { config.getProperty(GROUP_NAMES).replaceAll(" ", "") };
1047         }
1048         if (groupNames == null || groupNames.length == 0) {
1049             LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE
1050                     + groupNamesError);
1051             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
1052                     + groupNamesError);
1053         }
1054         groupMap = new HashMap<>();
1055         for (int counter = 0; counter < groupNames.length; counter++) {
1056             String name = groupNames[counter];
1057             String groupID = config.getProperty(name + ".groupID");
1058             if (groupID == null) {
1059                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1060                         + ".groupID property is missing from the property file ");
1061                 throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1062                         + ".groupID property is missing from the property file ");
1063             }
1064             String artifactID = config.getProperty(name + ".artifactID");
1065             if (artifactID == null) {
1066                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1067                         + ".artifactID property is missing from the property file ");
1068                 throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1069                         + ".artifactID property is missing from the property file ");
1070             }
1071             PEDependency dependency = new PEDependency();
1072             dependency.setArtifactId(artifactID);
1073             dependency.setGroupId(groupID);
1074             // Add to list if we got all
1075             addToGroup(name, dependency);
1076         }
1077     }
1078
1079     private void addToGroup(String name, PEDependency dependency) {
1080         ArrayList<Object> values = new ArrayList<>();
1081         values.add(dependency);
1082         groupMap.put(name, values);
1083         EntityTransaction et = em.getTransaction();
1084         et.begin();
1085         Query query = em.createQuery("select b from BRMSGroupInfo as b where b.controllerName = :cn");
1086         query.setParameter("cn", name);
1087         List<?> groupList = query.getResultList();
1088         BRMSGroupInfo brmsGroupInfo = null;
1089         if (!groupList.isEmpty()) {
1090             LOGGER.info("Controller name already Existing in DB. Will be updating the DB Values" + name);
1091             brmsGroupInfo = (BRMSGroupInfo) groupList.get(0);
1092         }
1093         if (brmsGroupInfo == null) {
1094             brmsGroupInfo = new BRMSGroupInfo();
1095         }
1096         brmsGroupInfo.setControllerName(name);
1097         brmsGroupInfo.setGroupId(dependency.getGroupId());
1098         brmsGroupInfo.setArtifactId(dependency.getArtifactId());
1099         brmsGroupInfo.setVersion(dependency.getVersion());
1100         em.persist(brmsGroupInfo);
1101         em.flush();
1102         et.commit();
1103     }
1104
1105     private String getArtifactID(String name) {
1106         return ((PEDependency) groupMap.get(name).get(0)).getArtifactId();
1107     }
1108
1109     private String getGroupID(String name) {
1110         return ((PEDependency) groupMap.get(name).get(0)).getGroupId();
1111     }
1112
1113     private String getVersion(String name) {
1114         return ((PEDependency) groupMap.get(name).get(0)).getVersion();
1115     }
1116
1117     private void getNameAndSetRemove(String controllerName, String policyName) {
1118         String artifactName = getArtifactID(controllerName);
1119         String ruleFolder = PROJECTSLOCATION + File.separator + artifactName + File.separator + "src" + File.separator
1120                 + "main" + File.separator + RESOURCES + File.separator + RULES;
1121         File file = new File(ruleFolder + File.separator + policyName + ".drl");
1122         if (file.delete()) {
1123             LOGGER.info("Deleted File.. " + file.getAbsolutePath());
1124             removePolicyFromGroup(policyName, controllerName);
1125         }
1126         if (new File(ruleFolder).listFiles().length == 0) {
1127             removedRuleModifiedGroup(controllerName);
1128         } else {
1129             // This is an update in terms of PDPD.
1130             addModifiedGroup(controllerName, "update");
1131         }
1132     }
1133
1134     // Removes Policy from Memory and Database.
1135     private void removePolicyFromGroup(String policyName, String controllerName) {
1136         policyMap.remove(policyName);
1137         EntityTransaction et = em.getTransaction();
1138         et.begin();
1139         Query query = em.createQuery("select b from BRMSPolicyInfo as b where b.policyName = :pn");
1140         query.setParameter("pn", policyName);
1141         List<?> pList = query.getResultList();
1142         BRMSPolicyInfo brmsPolicyInfo;
1143         if (!pList.isEmpty()) {
1144             // Already exists.
1145             brmsPolicyInfo = (BRMSPolicyInfo) pList.get(0);
1146             if (brmsPolicyInfo.getControllerName().getControllerName().equals(controllerName)) {
1147                 em.remove(brmsPolicyInfo);
1148                 em.flush();
1149             }
1150         }
1151         et.commit();
1152     }
1153
1154     private void setVersion(String newVersion, String controllerName) {
1155         PEDependency userController = (PEDependency) groupMap.get(controllerName).get(0);
1156         userController.setVersion(newVersion);
1157         groupMap.get(controllerName).set(0, userController);
1158     }
1159
1160     // Return BackUpMonitor
1161     public static BackUpMonitor getBackUpMonitor() {
1162         return bm;
1163     }
1164
1165     public void rotateURLs() {
1166         if (repURLs != null) {
1167             Collections.rotate(repURLs, -1);
1168         }
1169     }
1170
1171     public int urlListSize() {
1172         if (repURLs != null) {
1173             return repURLs.size();
1174         } else
1175             return 0;
1176     }
1177 }