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 import java.util.regex.Pattern;
  50
  51 import javax.persistence.EntityManager;
  52 import javax.persistence.EntityManagerFactory;
  53 import javax.persistence.EntityTransaction;
  54 import javax.persistence.Persistence;
  55 import javax.persistence.Query;
  56
  57 import org.apache.commons.io.FileUtils;
  58 import org.apache.commons.lang.StringEscapeUtils;
  59 import org.apache.maven.model.Dependency;
  60 import org.apache.maven.model.DeploymentRepository;
  61 import org.apache.maven.model.DistributionManagement;
  62 import org.apache.maven.model.Model;
  63 import org.apache.maven.model.io.xpp3.MavenXpp3Writer;
  64 import org.apache.maven.shared.invoker.DefaultInvocationRequest;
  65 import org.apache.maven.shared.invoker.DefaultInvoker;
  66 import org.apache.maven.shared.invoker.InvocationRequest;
  67 import org.apache.maven.shared.invoker.InvocationResult;
  68 import org.apache.maven.shared.invoker.Invoker;
  69 import org.codehaus.plexus.util.IOUtil;
  70 import org.codehaus.plexus.util.WriterFactory;
  71 import org.eclipse.persistence.config.PersistenceUnitProperties;
  72 import org.onap.policy.api.PEDependency;
  73 import org.onap.policy.api.PolicyException;
  74 import org.onap.policy.brmsInterface.jpa.BRMSGroupInfo;
  75 import org.onap.policy.brmsInterface.jpa.BRMSPolicyInfo;
  76 import org.onap.policy.brmsInterface.jpa.DependencyInfo;
  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_TEMPLATE_GROUP = "org.onap.policy.drools-applications.controlloop.templates";
 109         private static final String DROOLS_APPS_MODEL_GROUP    = "org.onap.policy.drools-applications.controlloop.common.model-impl";
 110         private static final String META_INF = "META-INF";
 111         private static final String KMODULE_XML_FILE = "kmodule.xml";
 112         private static final String POM_XML_FILE = "pom.xml";
 113         private static final String VERSION_0_1_0 = "0.1.0";
 114         private static final String RULES = "rules";
 115         private static final String RESOURCES = "resources";
 116         private static final Logger LOGGER = FlexLogger.getLogger(BRMSPush.class.getName());
 117     private static final String PROJECTSLOCATION = "RuleProjects";
 118     private static final String[] GOALS = { "clean", "deploy" };
 119     private static final String DEFAULT_VERSION = "1.2.0-SNAPSHOT";
 120     private static final String DEPENDENCY_FILE = "dependency.json";
 121     private static final String BRMSPERSISTENCE = "brmsEclipselink.persistencexml";
 122
 123     private static Map<String, String> modifiedGroups = new HashMap<>();
 124     private static IntegrityMonitor im;
 125     private static BackUpMonitor bm;
 126     private String defaultName = null;
 127     private String repID = null;
 128     private String repName = null;
 129     private ArrayList<String> repURLs = null;
 130     private String repUserName = null;
 131     private String repPassword = null;
 132     private String policyKeyID = null;
 133     private boolean createFlag = false;
 134     private String uebList = null;
 135     private List<String> dmaapList = null;
 136     private String pubTopic = null;
 137     private PublisherBuilder pubBuilder = null;
 138     protected BusPublisher publisher = null;
 139     private Long uebDelay = Long.parseLong("20");
 140     private Long dmaapDelay = Long.parseLong("5000");
 141     private String notificationType = null;
 142     private ArrayList<ControllerPOJO> controllers;
 143     private HashMap<String, ArrayList<Object>> groupMap = new HashMap<>();
 144     private Map<String, String> policyMap = new HashMap<>();
 145     private String brmsdependencyversion;
 146     private EntityManager em;
 147     private boolean syncFlag = false;
 148
 149     public BRMSPush(String propertiesFile, BackUpHandler handler) throws PolicyException {
 150         if(propertiesFile==null || handler==null){
 151             throw new PolicyException("Error no propertiesFile or handler");
 152         }
 153         Properties config = new Properties();
 154         Path file = Paths.get(propertiesFile);
 155         if (Files.notExists(file)) {
 156             LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Config File doesn't Exist in the specified Path "
 157                     + file.toString());
 158             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
 159                     + "Config File doesn't Exist in the specified Path " + file.toString());
 160         } else {
 161             if (file.toString().endsWith(".properties")) {
 162                 // Grab the Properties.
 163                 setProperty(file, config, handler);
 164             }
 165         }
 166     }
 167
 168     private void setProperty(Path file, Properties config, BackUpHandler handler) throws PolicyException {
 169         InputStream in;
 170         try {
 171             in = new FileInputStream(file.toFile());
 172             config.load(in);
 173         } catch (IOException e) {
 174             LOGGER.error(
 175                     XACMLErrorConstants.ERROR_DATA_ISSUE + "Data/File Read Error while reading from the property file.",
 176                     e);
 177             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
 178                     + "Data/File Read Error while reading from the property file.");
 179         }
 180         LOGGER.info("Trying to set up IntegrityMonitor");
 181         String resourceName = null;
 182         try {
 183             LOGGER.info("Trying to set up IntegrityMonitor");
 184             resourceName = config.getProperty("RESOURCE_NAME");
 185             if (resourceName == null) {
 186                 LOGGER.warn("RESOURCE_NAME is missing setting default value. ");
 187                 resourceName = "brmsgw_pdp01";
 188             }
 189             resourceName = resourceName.trim();
 190             setIntegrityMonitor(IntegrityMonitor.getInstance(resourceName, config));
 191         } catch (Exception e) {
 192             LOGGER.error("Error starting Integerity Monitor: " + e);
 193         }
 194         LOGGER.info("Trying to set up BackUpMonitor");
 195         try {
 196             setBackupMonitor(BackUpMonitor.getInstance(BackUpMonitor.ResourceNode.BRMS.toString(), resourceName, config,
 197                     handler));
 198         } catch (Exception e) {
 199             LOGGER.error("Error starting BackUpMonitor: " + e);
 200         }
 201         if(!config.containsKey(BRMSPERSISTENCE)){
 202             config.setProperty(PersistenceUnitProperties.ECLIPSELINK_PERSISTENCE_XML, "META-INF/persistenceBRMS.xml");
 203         } else {
 204             config.setProperty(PersistenceUnitProperties.ECLIPSELINK_PERSISTENCE_XML, config.getProperty(BRMSPERSISTENCE,"META-INF/persistenceBRMS.xml"));
 205         }
 206         EntityManagerFactory emf = Persistence.createEntityManagerFactory("BRMSGW", config);
 207         em = emf.createEntityManager();
 208         defaultName = config.getProperty("defaultName");
 209         if (defaultName == null) {
 210             LOGGER.error(
 211                     XACMLErrorConstants.ERROR_DATA_ISSUE + "defaultName property is missing from the property file ");
 212             throw new PolicyException(
 213                     XACMLErrorConstants.ERROR_DATA_ISSUE + "defaultName property is missing from the property file");
 214         }
 215         defaultName = defaultName.trim();
 216         repID = config.getProperty("repositoryID");
 217         if (repID == null) {
 218             LOGGER.error(
 219                     XACMLErrorConstants.ERROR_DATA_ISSUE + "repositoryID property is missing from the property file ");
 220             throw new PolicyException(
 221                     XACMLErrorConstants.ERROR_DATA_ISSUE + "repositoryID property is missing from the property file ");
 222         }
 223         repID = repID.trim();
 224         repName = config.getProperty("repositoryName");
 225         if (repName == null) {
 226             LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE
 227                     + "repositoryName property is missing from the property file ");
 228             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
 229                     + "repositoryName property is missing from the property file ");
 230         }
 231         repName = repName.trim();
 232         String repURL = config.getProperty("repositoryURL");
 233         if (repURL == null) {
 234             LOGGER.error(
 235                     XACMLErrorConstants.ERROR_DATA_ISSUE + "repositoryURL property is missing from the property file ");
 236             throw new PolicyException(
 237                     XACMLErrorConstants.ERROR_DATA_ISSUE + "repositoryURL property is missing from the property file ");
 238         }
 239         if (repURL.contains(",")) {
 240             repURLs = new ArrayList<>(Arrays.asList(repURL.trim().split(",")));
 241         } else {
 242             repURLs = new ArrayList<>();
 243             repURLs.add(repURL);
 244         }
 245         repUserName = config.getProperty("repositoryUsername");
 246         repPassword = config.getProperty("repositoryPassword");
 247         if (repUserName == null || repPassword == null) {
 248             LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE
 249                     + "repostoryUserName and respositoryPassword properties are required.");
 250             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
 251                     + "repostoryUserName and respositoryPassword properties are required.");
 252         }
 253         repUserName = repUserName.trim();
 254         repPassword = repPassword.trim();
 255         policyKeyID = config.getProperty("policyKeyID");
 256         if (policyKeyID == null) {
 257             LOGGER.error(
 258                     XACMLErrorConstants.ERROR_DATA_ISSUE + "policyKeyID property is missing from the property file ");
 259             throw new PolicyException(
 260                     XACMLErrorConstants.ERROR_DATA_ISSUE + "policyKeyID property is missing from the property file ");
 261         }
 262         policyKeyID = policyKeyID.trim();
 263         String syncF = config.getProperty("sync", "false").trim();
 264         syncFlag = Boolean.parseBoolean(syncF);
 265         if (syncFlag) {
 266             PolicyLogger.info("SYNC Flag is turned ON. DB will be given Priority.");
 267         }
 268         brmsdependencyversion = config.getProperty("brms.dependency.version");
 269         if (brmsdependencyversion == null) {
 270             LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE
 271                     + "brmsdependencyversion property is missing from the property file, Using default Version.");
 272             brmsdependencyversion = DEFAULT_VERSION;
 273         }
 274         brmsdependencyversion = brmsdependencyversion.trim();
 275         readGroups(config);
 276
 277         // Setup Publisher
 278         notificationType = config.getProperty("NOTIFICATION_TYPE");
 279         if ("dmaap".equalsIgnoreCase(notificationType)) {
 280
 281             LOGGER.info("Notification Type being used is DMaaP... creating instance of BusPublisher.");
 282             // Setting up the Publisher for DMaaP MR
 283             String dmaapServers = config.getProperty("NOTIFICATION_SERVERS");
 284             pubTopic = config.getProperty("NOTIFICATION_TOPIC");
 285             String aafLogin = config.getProperty("CLIENT_ID").trim();
 286             String aafPassword = config.getProperty("CLIENT_KEY").trim();
 287
 288             if (dmaapServers == null || pubTopic == null) {
 289                 LOGGER.error(
 290                         XACMLErrorConstants.ERROR_DATA_ISSUE + "DMaaP properties are missing from the property file ");
 291                 throw new PolicyException(
 292                         XACMLErrorConstants.ERROR_DATA_ISSUE + "DMaaP properties are missing from the property file ");
 293             }
 294
 295             dmaapServers = dmaapServers.trim();
 296             pubTopic = pubTopic.trim();
 297
 298             if (dmaapServers.contains(",")) {
 299                 dmaapList = new ArrayList<>(Arrays.asList(dmaapServers.split("\\s*,\\s*")));
 300             } else {
 301                 dmaapList = new ArrayList<>();
 302                 dmaapList.add(dmaapServers);
 303             }
 304
 305             this.publisher = new BusPublisher.DmaapPublisherWrapper(this.dmaapList, this.pubTopic, aafLogin,
 306                     aafPassword);
 307
 308             String dDelay = config.getProperty("NOTIFICATION_DELAY");
 309             if (dDelay != null && !dDelay.isEmpty()) {
 310                 dDelay = dDelay.trim();
 311                 try {
 312                     dmaapDelay = Long.parseLong(dDelay);
 313                 } catch (NumberFormatException e) {
 314                     LOGGER.error("DMAAP_DELAY not a long format number" + e);
 315                 }
 316             }
 317             LOGGER.info("DMAAP BusPublisher is created.");
 318
 319         } else {
 320             LOGGER.info("Notification Type being used is UEB... creating instance of PublisherBuilder.");
 321             // Setting up the Publisher for UEB
 322             uebList = config.getProperty("NOTIFICATION_SERVERS");
 323             pubTopic = config.getProperty("NOTIFICATION_TOPIC");
 324             String apiKey = config.getProperty("UEB_API_KEY");
 325             String apiSecret = config.getProperty("UEB_API_SECRET");
 326             if (uebList == null || pubTopic == null) {
 327                 LOGGER.error(
 328                         XACMLErrorConstants.ERROR_DATA_ISSUE + "UEB properties are missing from the property file ");
 329                 throw new PolicyException(
 330                         XACMLErrorConstants.ERROR_DATA_ISSUE + "UEB properties are missing from the property file ");
 331             }
 332             uebList = uebList.trim();
 333             pubTopic = pubTopic.trim();
 334             pubBuilder = new CambriaClientBuilders.PublisherBuilder();
 335             pubBuilder.usingHosts(uebList).onTopic(pubTopic);
 336             if (apiKey != null && !apiKey.isEmpty() && apiSecret != null && !apiSecret.isEmpty()) {
 337                 apiKey = apiKey.trim();
 338                 apiSecret = apiSecret.trim();
 339                 pubBuilder.authenticatedBy(apiKey, apiSecret);
 340             }
 341             String uDelay = config.getProperty("NOTIFICATION_DELAY");
 342             if (uDelay != null && !uDelay.isEmpty()) {
 343                 uDelay = uDelay.trim();
 344                 try {
 345                     uebDelay = Long.parseLong(uDelay);
 346                 } catch (NumberFormatException e) {
 347                     LOGGER.error("UEB_DELAY not a long format number" + e);
 348                 }
 349             }
 350             LOGGER.info("UEB PublisherBuilder is created.");
 351
 352         }
 353
 354     }
 355
 356     private static void setBackupMonitor(BackUpMonitor instance) {
 357         bm = instance;
 358     }
 359
 360     private static void setIntegrityMonitor(IntegrityMonitor instance) {
 361         im = instance;
 362     }
 363
 364     /**
 365      * Will Initialize the variables required for BRMSPush.
 366      */
 367     public void initiate(boolean flag) {
 368         resetModifiedGroups();
 369         controllers = new ArrayList<>();
 370         try {
 371             bm.updateNotification();
 372         } catch (Exception e) {
 373             LOGGER.error("Error while updating Notification: " + e.getMessage(), e);
 374         }
 375         if (flag)
 376             syncGroupInfo();
 377     }
 378
 379     public void resetDS(){
 380         resetModifiedGroups();
 381         controllers = new ArrayList<>();
 382     }
 383
 384     private static void resetModifiedGroups() {
 385         modifiedGroups = new HashMap<>();
 386     }
 387
 388     /**
 389      * Will Add rules to projects. Creates necessary folders if required.
 390      */
 391     public void addRule(String name, String rule, Map<String, String> responseAttributes) {
 392         // 1 check the response Attributes and determine if this belongs to any projects.
 393         // 2 if not create folder
 394         // 3 create pom.
 395         // 4 copy the rule.
 396         // 5 store the groups that have been updated.
 397         String kSessionName = null;
 398         String selectedName = null;
 399         if (!responseAttributes.isEmpty()) {
 400             // Pick selected Value
 401             String userControllerName = null;
 402             ArrayList<PEDependency> userDependencies = new ArrayList<>();
 403             for (Map.Entry<String, String> entry: responseAttributes.entrySet()) {
 404                 String key = entry.getKey();
 405                 String value = entry.getValue();
 406                 if (key.equals(policyKeyID)) {
 407                     selectedName = value;
 408                 }
 409                 // kmodule configurations
 410                 else if ("kSessionName".equals(key)) {
 411                     kSessionName = value;
 412                 }
 413                 // Check User Specific values.
 414                 if ("$controller:".equals(key)) {
 415                     try {
 416                         PEDependency dependency = PolicyUtils.jsonStringToObject(value,
 417                                 PEDependency.class);
 418                         userControllerName = key.replaceFirst("$controller:", "");
 419                         LOGGER.info("addRule: userControllerName - " + userControllerName + ", dependency: - " + dependency);
 420                         addToGroup(userControllerName, dependency);
 421                     } catch (Exception e) {
 422                         LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while resolving Controller: " + e);
 423                     }
 424
 425                 } else if ("$dependency$".equals(key) && value.startsWith("[") && value.endsWith("]")) {
 426                     value = value.substring(1, value.length() - 1).trim();
 427                     List<String> dependencyStrings = Arrays.asList(value.split(Pattern.quote("},{")));
 428                     for (String dependencyString : dependencyStrings) {
 429                         try {
 430                             userDependencies
 431                                     .add(PolicyUtils.jsonStringToObject(dependencyString, PEDependency.class));
 432                         } catch (Exception e) {
 433                             LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW
 434                                     + "Error while resolving Dependencies: " + e);
 435                         }
 436                     }
 437                 }
 438             }
 439             if (userControllerName != null) {
 440                 // Adding custom dependencies here.
 441                 ArrayList<Object> values = groupMap.get(userControllerName);
 442                 values.add(userDependencies);
 443                 groupMap.put(userControllerName, values);
 444                 selectedName = userControllerName;
 445             }
 446         }
 447         // If no Match then pick Default.
 448         if (selectedName == null) {
 449             selectedName = defaultName;
 450         }
 451         if (groupMap.containsKey(selectedName)) {
 452             // If the key is not got as parameters set by the user, setting the default value for kSessionName as
 453             // closedLoop
 454             if (kSessionName == null) {
 455                 LOGGER.info("kSessionName is null, selectedName is  : " + selectedName );
 456                 if (selectedName.equalsIgnoreCase(defaultName)) {
 457                     kSessionName = "closedloop";
 458                 } else {
 459                     kSessionName = "closedloop-" + selectedName;
 460                 }
 461             }
 462             // create directories if missing.
 463             manageProject(selectedName, kSessionName, name, rule);
 464             addModifiedGroup(selectedName, "update"); // Will check for Create Later after generating the Pom.
 465         }
 466     }
 467
 468     private void syncGroupInfo() {
 469         // Sync DB to JMemory.
 470         EntityTransaction et = em.getTransaction();
 471         et.begin();
 472         Query query = em.createQuery("select b from BRMSGroupInfo AS b");
 473         List<?> bList = query.getResultList();
 474         if (bList.size() != groupMap.size()) {
 475             for (Object value : bList) {
 476                 BRMSGroupInfo brmsGroupInfo = (BRMSGroupInfo) value;
 477                 PEDependency dependency = new PEDependency();
 478                 dependency.setArtifactId(brmsGroupInfo.getArtifactId());
 479                 dependency.setGroupId(brmsGroupInfo.getGroupId());
 480                 dependency.setVersion(brmsGroupInfo.getVersion());
 481                 ArrayList<Object> values = new ArrayList<>();
 482                 values.add(dependency);
 483                 groupMap.put(brmsGroupInfo.getControllerName(), values);
 484             }
 485         }
 486         query = em.createQuery("select g from BRMSPolicyInfo AS g");
 487         bList = query.getResultList();
 488         if (bList.size() != policyMap.size()) {
 489             for (Object value : bList) {
 490                 BRMSPolicyInfo brmsPolicyInfo = (BRMSPolicyInfo) value;
 491                 policyMap.put(brmsPolicyInfo.getPolicyName(), brmsPolicyInfo.getControllerName().getControllerName());
 492             }
 493         }
 494         et.commit();
 495         LOGGER.info("Updated Local Memory values with values from database.");
 496     }
 497
 498     private void manageProject(String selectedName, String kSessionName, String name, String rule) {
 499         // Check if the Project is in Sync. If not get the latest Version.
 500         syncProject(selectedName);
 501         createProject(PROJECTSLOCATION + File.separator + getArtifactID(selectedName) + File.separator + "src"
 502                 + File.separator + "main" + File.separator + RESOURCES, kSessionName);
 503         copyDataToFile(PROJECTSLOCATION + File.separator + getArtifactID(selectedName) + File.separator + "src"
 504                 + File.separator + "main" + File.separator + RESOURCES + File.separator + RULES + File.separator
 505                 + name + ".drl", rule);
 506         addToPolicy(name, selectedName);
 507     }
 508
 509     /*
 510      * Add Policy to JMemory and DataBase.
 511      */
 512     private void addToPolicy(String policyName, String controllerName) {
 513         policyMap.put(policyName, controllerName);
 514         EntityTransaction et = em.getTransaction();
 515         et.begin();
 516         Query query = em.createQuery("select b from BRMSPolicyInfo as b where b.policyName = :pn");
 517         query.setParameter("pn", policyName);
 518         List<?> pList = query.getResultList();
 519         boolean create = false;
 520         BRMSPolicyInfo brmsPolicyInfo = new BRMSPolicyInfo();
 521         if (!pList.isEmpty()) {
 522             // Already exists.
 523             brmsPolicyInfo = (BRMSPolicyInfo) pList.get(0);
 524             if (!brmsPolicyInfo.getControllerName().getControllerName().equals(controllerName)) {
 525                 create = true;
 526             }
 527         } else {
 528             create = true;
 529         }
 530         if (create) {
 531             query = em.createQuery("select b from BRMSGroupInfo as b where b.controllerName = :cn");
 532             query.setParameter("cn", controllerName);
 533             List<?> bList = query.getResultList();
 534             BRMSGroupInfo brmsGroupInfo = new BRMSGroupInfo();
 535             if (!bList.isEmpty()) {
 536                 brmsGroupInfo = (BRMSGroupInfo) bList.get(0);
 537             }
 538             brmsPolicyInfo.setPolicyName(policyName);
 539             brmsPolicyInfo.setControllerName(brmsGroupInfo);
 540             em.persist(brmsPolicyInfo);
 541             em.flush();
 542         }
 543         et.commit();
 544     }
 545
 546     private void syncProject(String selectedName) {
 547         boolean projectExists = checkProject(selectedName);
 548         if (projectExists) {
 549             String version;
 550             version = getVersion(selectedName);
 551             if (version == null) {
 552                 LOGGER.error("Error getting local version for the given Controller Name:" + selectedName
 553                         + " going with Default value");
 554                 version = VERSION_0_1_0;
 555             }
 556             String nextVersion = incrementVersion(version);
 557             boolean outOfSync = checkRemoteSync(selectedName, nextVersion);
 558             if (!outOfSync) {
 559                 return;
 560             }
 561         }
 562         // We are out of Sync or Project is not Present.
 563         downloadProject(selectedName);
 564     }
 565
 566     private void downloadProject(String selectedName) {
 567         NexusArtifact artifact = getLatestArtifactFromNexus(selectedName);
 568         if (artifact == null)
 569             return;
 570         String dirName = getDirectoryName(selectedName);
 571         URL website;
 572         String fileName = "rule.jar";
 573         try {
 574             website = new URL(artifact.getResourceURI());
 575             try( ReadableByteChannel rbc = Channels.newChannel(website.openStream());
 576                         FileOutputStream fos = new FileOutputStream(fileName)){
 577                 fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
 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         } catch (IOException e1) {
 585             LOGGER.error("Error while retrieve the artifact. " + e1.getMessage(), e1);
 586         }
 587     }
 588
 589     private void extractJar(String jarFileName, String artifactId) throws IOException {
 590         JarFile jar = new JarFile(jarFileName);
 591         Enumeration<?> enumEntries = jar.entries();
 592         while (enumEntries.hasMoreElements()) {
 593             JarEntry file = (JarEntry) enumEntries.nextElement();
 594             File f = null;
 595             String fileName = file.getName().substring(file.getName().lastIndexOf("/") + 1);
 596             if (file.getName().endsWith(".drl")) {
 597                 String path = PROJECTSLOCATION + File.separator + artifactId + File.separator + "src" + File.separator
 598                         + "main" + File.separator + RESOURCES + File.separator + RULES;
 599                 new File(path).mkdirs();
 600                 if (syncFlag && policyMap.containsKey(fileName.replace(".drl", ""))) {
 601                     f = new File(path + File.separator + fileName);
 602                 } else {
 603                     f = new File(path + File.separator + fileName);
 604                 }
 605             } else if (file.getName().endsWith(POM_XML_FILE)) {
 606                 String path = PROJECTSLOCATION + File.separator + artifactId;
 607                 new File(path).mkdirs();
 608                 f = new File(path + File.separator + fileName);
 609             } else if (file.getName().endsWith(KMODULE_XML_FILE)) {
 610                 String path = PROJECTSLOCATION + File.separator + artifactId + File.separator + "src" + File.separator
 611                         + "main" + File.separator + RESOURCES + File.separator + META_INF;
 612                 new File(path).mkdirs();
 613                 f = new File(path + File.separator + fileName);
 614             }
 615             if (f != null) {
 616                 InputStream is = jar.getInputStream(file);
 617                 FileOutputStream fos = new FileOutputStream(f);
 618                 while (is.available() > 0) {
 619                     fos.write(is.read());
 620                 }
 621                 fos.close();
 622                 is.close();
 623                 LOGGER.info(fileName + " Created..");
 624             }
 625         }
 626         jar.close();
 627     }
 628
 629     private NexusArtifact getLatestArtifactFromNexus(String selectedName) {
 630         List<NexusArtifact> artifacts = getArtifactFromNexus(selectedName, null);
 631         int bigNum = 0;
 632         int smallNum = 0;
 633         NexusArtifact result = null;
 634         for (NexusArtifact artifact : artifacts) {
 635             int majorVal = Integer.parseInt(artifact.getVersion().substring(0, artifact.getVersion().indexOf(".")));
 636             int minorVal = Integer.parseInt(artifact.getVersion().substring(artifact.getVersion().indexOf(".") + 1,
 637                     artifact.getVersion().lastIndexOf(".")));
 638             if (majorVal > bigNum) {
 639                 bigNum = majorVal;
 640                 smallNum = minorVal;
 641             }
 642             if ((bigNum == majorVal) && (minorVal > smallNum)) {
 643                 smallNum = minorVal;
 644             }
 645             if (bigNum == majorVal && minorVal == smallNum) {
 646                 result = artifact;
 647             }
 648         }
 649         return additionalNexusLatestCheck(selectedName, result);
 650     }
 651
 652     // Additional Check due to Limitations from Nexus API to check if the artifact is the latest.
 653     private NexusArtifact additionalNexusLatestCheck(String selectedName, NexusArtifact result) {
 654         if(result==null){
 655             return result;
 656         }
 657         String nextVersion = incrementVersion(result.getVersion());
 658         List<NexusArtifact> artifact = getArtifactFromNexus(selectedName, nextVersion);
 659         return artifact.isEmpty() ? result : additionalNexusLatestCheck(selectedName, artifact.get(0));
 660     }
 661
 662     private boolean checkRemoteSync(String selectedName, String version) {
 663         List<NexusArtifact> artifacts = getArtifactFromNexus(selectedName, version);
 664         return artifacts.isEmpty() ? false : true;
 665     }
 666
 667     private List<NexusArtifact> getArtifactFromNexus(String selectedName, String version) {
 668         final NexusClient client = new NexusRestClient();
 669         int i = 0;
 670         boolean flag = false;
 671         while (i < repURLs.size()) {
 672             try {
 673                 String repURL = repURLs.get(0);
 674                 client.connect(repURL.substring(0, repURL.indexOf(repURL.split(":[0-9]+\\/nexus")[1])), repUserName,
 675                         repPassword);
 676                 final NexusArtifact template = new NexusArtifact();
 677                 template.setGroupId(getGroupID(selectedName));
 678                 template.setArtifactId(getArtifactID(selectedName));
 679                 if (version != null) {
 680                     template.setVersion(version);
 681                 }
 682                 List<NexusArtifact> resultList = client.searchByGAV(template);
 683                 if (resultList != null) {
 684                     flag = true;
 685                     return resultList;
 686                 }
 687             } catch (NexusClientException | NexusConnectionException | NullPointerException e) {
 688                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Connection to remote Nexus has failed. "
 689                         + e.getMessage(), e);
 690             } finally {
 691                 try {
 692                     client.disconnect();
 693                 } catch (NexusClientException | NexusConnectionException e) {
 694                     LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "failed to disconnect Connection from Nexus."
 695                             + e.getMessage(), e);
 696                 }
 697                 if (!flag) {
 698                     Collections.rotate(repURLs, -1);
 699                     i++;
 700                 }
 701             }
 702         }
 703         return new ArrayList<>();
 704     }
 705
 706     private void setVersion(String selectedName) {
 707         String newVersion = VERSION_0_1_0;
 708         createFlag = false;
 709         NexusArtifact artifact = getLatestArtifactFromNexus(selectedName);
 710         if (artifact != null) {
 711             newVersion = incrementVersion(artifact.getVersion());
 712         }
 713         if (VERSION_0_1_0.equals(newVersion)) {
 714             createFlag = true;
 715         }
 716         setVersion(newVersion, selectedName);
 717         LOGGER.info("Controller: " + selectedName + "is on version: " + newVersion);
 718     }
 719
 720     private String incrementVersion(String version) {
 721         int majorVal = Integer.parseInt(version.substring(0, version.indexOf(".")));
 722         int minorVal = Integer.parseInt(version.substring(version.indexOf(".") + 1, version.lastIndexOf(".")));
 723         if (minorVal >= 9) {
 724             majorVal += 1;
 725             minorVal = 0;
 726         } else {
 727             minorVal += 1;
 728         }
 729         return majorVal + "." + minorVal + version.substring(version.lastIndexOf("."));
 730     }
 731
 732     private boolean checkProject(String selectedName) {
 733         return new File(PROJECTSLOCATION + File.separator + getDirectoryName(selectedName)).exists();
 734     }
 735
 736     private String getDirectoryName(String selectedName) {
 737         return getArtifactID(selectedName);
 738     }
 739
 740     /**
 741      * Will Push policies to the PolicyRepo.
 742      *
 743      * @param notificationType
 744      *            <String> type of notification Type.
 745      * @throws PolicyException
 746      */
 747     public void pushRules() throws PolicyException {
 748         // Check how many groups have been updated.
 749         // Invoke their Maven process.
 750         try {
 751             im.startTransaction();
 752         } catch (Exception e) {
 753             LOGGER.error("Error while starting Transaction " + e);
 754         }
 755         if (!modifiedGroups.isEmpty()) {
 756             Boolean flag = false;
 757             for (Map.Entry<String, String> entry : modifiedGroups.entrySet()) {
 758                 InvocationResult result = null;
 759                 String group = entry.getKey();
 760                 try {
 761                         LOGGER.info("PushRules: ModifiedGroups, Key: " + group + ", Value: " + entry.getValue());
 762                     InvocationRequest request = new DefaultInvocationRequest();
 763                     setVersion(group);
 764                     createPom(group);
 765                     request.setPomFile(new File(
 766                             PROJECTSLOCATION + File.separator + getArtifactID(group) + File.separator + POM_XML_FILE));
 767                     request.setGoals(Arrays.asList(GOALS));
 768                     Invoker invoker = new DefaultInvoker();
 769                     result = invoker.execute(request);
 770                     if (result.getExecutionException() != null) {
 771                         LOGGER.error(result.getExecutionException());
 772                     } else if (result.getExitCode() != 0) {
 773                         LOGGER.error("Maven Invocation failure..!");
 774                     }
 775                 } catch (Exception e) {
 776                     LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Maven Invocation issue for "
 777                             + getArtifactID(group) + e.getMessage(), e);
 778                 }
 779                 if (result != null && result.getExitCode() == 0) {
 780                     LOGGER.info("Build Completed..!");
 781                     if (createFlag) {
 782                         addNotification(group, "create");
 783                     } else {
 784                         addNotification(group, entry.getValue());
 785                     }
 786                     flag = true;
 787                 } else {
 788                     throw new PolicyException(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Maven Invocation failure!");
 789                 }
 790             }
 791             if (flag) {
 792                 sendNotification(controllers);
 793             }
 794         }
 795         if (im != null) {
 796             im.endTransaction();
 797         }
 798     }
 799
 800     /**
 801      * Removes a Rule from Rule Projects.
 802      */
 803     public void removeRule(String name) {
 804         String controllerName = getGroupName(name);
 805         if (controllerName == null) {
 806             LOGGER.info("Error finding the controllerName for the given Policy: " + name);
 807             return;
 808         }
 809         syncProject(controllerName);
 810         getNameAndSetRemove(controllerName, name);
 811     }
 812
 813     private String getGroupName(String name) {
 814         if (policyMap.containsKey(name)) {
 815             return policyMap.get(name);
 816         } else {
 817             syncGroupInfo();
 818             return policyMap.containsKey(name) ? policyMap.get(name) : null;
 819         }
 820     }
 821
 822     private void addModifiedGroup(String controllerName, String operation) {
 823         if (controllerName != null) {
 824             modifiedGroups.put(controllerName, operation);
 825         }
 826     }
 827
 828     private void addNotification(String controllerName, String operation) {
 829         ControllerPOJO controllerPOJO = new ControllerPOJO();
 830         controllerPOJO.setName(controllerName);
 831         controllerPOJO.setOperation(operation);
 832         HashMap<String, String> drools = new HashMap<>();
 833         drools.put("groupId", getGroupID(controllerName));
 834         drools.put("artifactId", getArtifactID(controllerName));
 835         drools.put("version", getVersion(controllerName));
 836         controllerPOJO.setDrools(drools);
 837         controllers.add(controllerPOJO);
 838         try {
 839             LOGGER.debug("Notification added: " + PolicyUtils.objectToJsonString(controllerPOJO));
 840         } catch (JsonProcessingException e) {
 841             LOGGER.error(MessageCodes.ERROR_SCHEMA_INVALID + "Json Processing Error " + e);
 842         }
 843     }
 844
 845     private void removedRuleModifiedGroup(String controllerName) {
 846         // This will be sending Notification to PDPD directly to Lock
 847         ControllerPOJO controllerPOJO = new ControllerPOJO();
 848         controllerPOJO.setName(controllerName);
 849         controllerPOJO.setOperation("lock");
 850         List<ControllerPOJO> controllerPojos = new ArrayList<>();
 851         controllerPojos.add(controllerPOJO);
 852         sendNotification(controllerPojos);
 853     }
 854
 855     private void sendNotification(List<ControllerPOJO> controllers) {
 856         NotificationPOJO notification = new NotificationPOJO();
 857         String requestId = UUID.randomUUID().toString();
 858         LOGGER.info("Generating notification RequestID : " + requestId);
 859         notification.setRequestID(requestId);
 860         notification.setEntity("controller");
 861         notification.setControllers(controllers);
 862         try {
 863             String notificationJson = PolicyUtils.objectToJsonString(notification);
 864             LOGGER.info("Sending Notification :\n" + notificationJson);
 865             sendMessage(notificationJson);
 866         } catch (Exception e) {
 867             LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while sending notification to PDP-D "
 868                     + e.getMessage(), e);
 869         }
 870     }
 871
 872     private void sendMessage(String message) throws IOException, GeneralSecurityException, InterruptedException {
 873
 874         if ("dmaap".equalsIgnoreCase(notificationType)) {
 875             // Sending Message through DMaaP Message Router
 876             LOGGER.debug("DMAAP Publishing Message");
 877
 878             publisher.send("MyPartitionKey", message);
 879
 880             LOGGER.debug("Message Published on DMaaP :" + dmaapList.get(0) + "for Topic: " + pubTopic);
 881
 882             Thread.sleep(dmaapDelay);
 883             publisher.close();
 884         } else {
 885             // Sending Message through UEB interface.
 886             LOGGER.debug("UEB Publishing Message");
 887
 888             CambriaBatchingPublisher pub = pubBuilder.build();
 889             pub.send("MyPartitionKey", message);
 890
 891             final List<?> stuck = pub.close(uebDelay, TimeUnit.SECONDS);
 892             if (!stuck.isEmpty()) {
 893                 LOGGER.error(stuck.size() + " messages unsent");
 894             } else {
 895                 LOGGER.debug("Clean exit; Message Published on UEB : " + uebList + "for Topic: " + pubTopic);
 896             }
 897         }
 898
 899     }
 900
 901     private void createPom(String name) {
 902         Model model = new Model();
 903         model.setModelVersion("4.0.0");
 904         model.setGroupId(getGroupID(name));
 905         model.setArtifactId(getArtifactID(name));
 906         model.setVersion(getVersion(name));
 907         model.setName(name);
 908         DistributionManagement distributionManagement = new DistributionManagement();
 909         DeploymentRepository repository = new DeploymentRepository();
 910         repository.setId(repID);
 911         repository.setName(repName);
 912         repository.setUrl(repURLs.get(0));
 913         distributionManagement.setRepository(repository);
 914         model.setDistributionManagement(distributionManagement);
 915         // Dependency Management goes here.
 916         List<Dependency> dependencyList = new ArrayList<>();
 917         if (groupMap.get(name).size() > 1) {
 918             @SuppressWarnings("unchecked")
 919             ArrayList<PEDependency> dependencies = (ArrayList<PEDependency>) groupMap.get(name).get(1);
 920             for (PEDependency dependency : dependencies) {
 921                 dependencyList.add(dependency.getDependency());
 922             }
 923         } else {
 924             // Add Default dependencies.
 925             dependencyList = getDependencies(name);
 926         }
 927         model.setDependencies(dependencyList);
 928         Writer writer = null;
 929         try {
 930             writer = WriterFactory.newXmlWriter(
 931                     new File(PROJECTSLOCATION + File.separator + getArtifactID(name) + File.separator + POM_XML_FILE));
 932             MavenXpp3Writer pomWriter = new MavenXpp3Writer();
 933             pomWriter.write(writer, model);
 934         } catch (Exception e) {
 935             LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while creating POM for " + getArtifactID(name)
 936                     + e.getMessage(), e);
 937         } finally {
 938             IOUtil.close(writer);
 939         }
 940     }
 941
 942     private List<Dependency> getDependencies(String controllerName) {
 943         // Read the Dependency Information from property file.
 944         Path file = Paths.get(DEPENDENCY_FILE);
 945         if (!Files.notExists(file)) {
 946             try {
 947                 String dependencyJSON = new String(Files.readAllBytes(file), StandardCharsets.UTF_8);
 948                 DependencyInfo dependencyInfo = PolicyUtils.jsonStringToObject(dependencyJSON, DependencyInfo.class);
 949                 String controller = "default";
 950                 if (dependencyInfo.getDependencies().containsKey(controllerName)) {
 951                     controller = controllerName;
 952                 }
 953                 List<Dependency> dependencyList = new ArrayList<>();
 954                 for (PEDependency dependency : dependencyInfo.getDependencies().get(controller)) {
 955                     dependencyList.add(dependency.getDependency());
 956                 }
 957                 return dependencyList;
 958             } catch (IOException | NullPointerException e) {
 959                 LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW
 960                         + "Error while getting dependecy Information for controller: " + controllerName
 961                         + e.getMessage(), e);
 962             }
 963         }
 964         return defaultDependencies(controllerName);
 965     }
 966
 967     // Default Dependency Section. Can be changed as required.
 968     public List<Dependency> defaultDependencies(String controllerName) {
 969
 970         List<Dependency> dependencyList = new ArrayList<>();
 971         String version = StringEscapeUtils.escapeJava(brmsdependencyversion);
 972
 973         Dependency demoDependency = new Dependency();
 974         demoDependency.setGroupId(DROOLS_APPS_TEMPLATE_GROUP);
 975         demoDependency.setArtifactId("template.demo");
 976         demoDependency.setVersion(version);
 977         dependencyList.add(demoDependency);
 978
 979         Dependency controlloopDependency = new Dependency();
 980         controlloopDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
 981         controlloopDependency.setArtifactId("events");
 982         controlloopDependency.setVersion(version);
 983         dependencyList.add(controlloopDependency);
 984
 985         Dependency restDependency = new Dependency();
 986         restDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
 987         restDependency.setArtifactId("controlloop.common.model-impl.rest");
 988         restDependency.setVersion(version);
 989         dependencyList.add(restDependency);
 990
 991         Dependency appcDependency = new Dependency();
 992         appcDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
 993         appcDependency.setArtifactId("controlloop.common.model-impl.appc");
 994         appcDependency.setVersion(version);
 995         dependencyList.add(appcDependency);
 996
 997         Dependency aaiDependency = new Dependency();
 998         aaiDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
 999         aaiDependency.setArtifactId("controlloop.common.model-impl.aai");
1000         aaiDependency.setVersion(version);
1001         dependencyList.add(aaiDependency);
1002
1003         Dependency msoDependency = new Dependency();
1004         msoDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
1005         msoDependency.setArtifactId("controlloop.common.model-impl.so");
1006         msoDependency.setVersion(version);
1007         dependencyList.add(msoDependency);
1008
1009         Dependency trafficgeneratorDependency = new Dependency();
1010         trafficgeneratorDependency.setGroupId(DROOLS_APPS_MODEL_GROUP);
1011         trafficgeneratorDependency.setArtifactId("controlloop.common.model-impl.trafficgenerator");
1012         trafficgeneratorDependency.setVersion(version);
1013         dependencyList.add(trafficgeneratorDependency);
1014         return dependencyList;
1015     }
1016
1017     private void createProject(String path, String ksessionName) {
1018         new File(path + File.separator + RULES).mkdirs();
1019         new File(path + File.separator + META_INF).mkdirs();
1020         if (!Files.exists(Paths.get(path + File.separator + META_INF + File.separator + KMODULE_XML_FILE))) {
1021             // Hard coding XML for PDP Drools to accept our Rules.
1022             String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + "\n"
1023                     + "<kmodule xmlns=\"http://jboss.org/kie/6.0.0/kmodule\">" + "\n"
1024                     + "<kbase name=\"rules\" packages=\"rules\">" + "\n" + "<ksession name=\"" + ksessionName + "\"/>"
1025                     + "\n" + "</kbase></kmodule>";
1026             copyDataToFile(path + File.separator + META_INF + File.separator + KMODULE_XML_FILE, xml);
1027         }
1028     }
1029
1030     private void copyDataToFile(String file, String rule) {
1031         try {
1032             FileUtils.writeStringToFile(new File(file), rule);
1033         } catch (Exception e) {
1034             LOGGER.error(
1035                     XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error while creating Rule for " + file + e.getMessage(),
1036                     e);
1037         }
1038     }
1039
1040     private void readGroups(Properties config) throws PolicyException {
1041         String[] groupNames;
1042         String groupNamesError = "groupNames property is missing or empty from the property file ";
1043                 if (!config.containsKey(GROUP_NAMES) || config.getProperty(GROUP_NAMES)==null){
1044             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
1045                     + groupNamesError);
1046         }
1047         if (config.getProperty(GROUP_NAMES).contains(",")) {
1048             groupNames = config.getProperty(GROUP_NAMES).replaceAll(" ", "").split(",");
1049         } else {
1050             groupNames = new String[] { config.getProperty(GROUP_NAMES).replaceAll(" ", "") };
1051         }
1052         if (groupNames == null || groupNames.length == 0) {
1053             LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE
1054                     + groupNamesError);
1055             throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE
1056                     + groupNamesError);
1057         }
1058         groupMap = new HashMap<>();
1059         for (int counter = 0; counter < groupNames.length; counter++) {
1060             String name = groupNames[counter];
1061             String groupID = config.getProperty(name + ".groupID");
1062             if (groupID == null) {
1063                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1064                         + ".groupID property is missing from the property file ");
1065                 throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1066                         + ".groupID property is missing from the property file ");
1067             }
1068             String artifactID = config.getProperty(name + ".artifactID");
1069             if (artifactID == null) {
1070                 LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1071                         + ".artifactID property is missing from the property file ");
1072                 throw new PolicyException(XACMLErrorConstants.ERROR_DATA_ISSUE + name
1073                         + ".artifactID property is missing from the property file ");
1074             }
1075             PEDependency dependency = new PEDependency();
1076             dependency.setArtifactId(artifactID);
1077             dependency.setGroupId(groupID);
1078             // Add to list if we got all
1079             addToGroup(name, dependency);
1080         }
1081     }
1082
1083     private void addToGroup(String name, PEDependency dependency) {
1084         ArrayList<Object> values = new ArrayList<>();
1085         values.add(dependency);
1086         groupMap.put(name, values);
1087         EntityTransaction et = em.getTransaction();
1088         et.begin();
1089         Query query = em.createQuery("select b from BRMSGroupInfo as b where b.controllerName = :cn");
1090         query.setParameter("cn", name);
1091         List<?> groupList = query.getResultList();
1092         BRMSGroupInfo brmsGroupInfo = null;
1093         if (!groupList.isEmpty()) {
1094             LOGGER.info("Controller name already Existing in DB. Will be updating the DB Values" + name);
1095             brmsGroupInfo = (BRMSGroupInfo) groupList.get(0);
1096         }
1097         if (brmsGroupInfo == null) {
1098             brmsGroupInfo = new BRMSGroupInfo();
1099         }
1100         brmsGroupInfo.setControllerName(name);
1101         brmsGroupInfo.setGroupId(dependency.getGroupId());
1102         brmsGroupInfo.setArtifactId(dependency.getArtifactId());
1103         brmsGroupInfo.setVersion(dependency.getVersion());
1104         em.persist(brmsGroupInfo);
1105         em.flush();
1106         et.commit();
1107     }
1108
1109     private String getArtifactID(String name) {
1110         return ((PEDependency) groupMap.get(name).get(0)).getArtifactId();
1111     }
1112
1113     private String getGroupID(String name) {
1114         return ((PEDependency) groupMap.get(name).get(0)).getGroupId();
1115     }
1116
1117     private String getVersion(String name) {
1118         return ((PEDependency) groupMap.get(name).get(0)).getVersion();
1119     }
1120
1121     private void getNameAndSetRemove(String controllerName, String policyName) {
1122         String artifactName = getArtifactID(controllerName);
1123         String ruleFolder = PROJECTSLOCATION + File.separator + artifactName + File.separator + "src" + File.separator
1124                 + "main" + File.separator + RESOURCES + File.separator + RULES;
1125         File file = new File(ruleFolder + File.separator + policyName + ".drl");
1126         if (file.delete()) {
1127             LOGGER.info("Deleted File.. " + file.getAbsolutePath());
1128             removePolicyFromGroup(policyName, controllerName);
1129         }
1130         if (new File(ruleFolder).listFiles().length == 0) {
1131             removedRuleModifiedGroup(controllerName);
1132         } else {
1133             // This is an update in terms of PDPD.
1134             addModifiedGroup(controllerName, "update");
1135         }
1136     }
1137
1138     // Removes Policy from Memory and Database.
1139     private void removePolicyFromGroup(String policyName, String controllerName) {
1140         policyMap.remove(policyName);
1141         EntityTransaction et = em.getTransaction();
1142         et.begin();
1143         Query query = em.createQuery("select b from BRMSPolicyInfo as b where b.policyName = :pn");
1144         query.setParameter("pn", policyName);
1145         List<?> pList = query.getResultList();
1146         BRMSPolicyInfo brmsPolicyInfo;
1147         if (!pList.isEmpty()) {
1148             // Already exists.
1149             brmsPolicyInfo = (BRMSPolicyInfo) pList.get(0);
1150             if (brmsPolicyInfo.getControllerName().getControllerName().equals(controllerName)) {
1151                 em.remove(brmsPolicyInfo);
1152                 em.flush();
1153             }
1154         }
1155         et.commit();
1156     }
1157
1158     private void setVersion(String newVersion, String controllerName) {
1159         PEDependency userController = (PEDependency) groupMap.get(controllerName).get(0);
1160         userController.setVersion(newVersion);
1161         groupMap.get(controllerName).set(0, userController);
1162     }
1163
1164     // Return BackUpMonitor
1165     public static BackUpMonitor getBackUpMonitor() {
1166         return bm;
1167     }
1168
1169     public void rotateURLs() {
1170         if (repURLs != null) {
1171             Collections.rotate(repURLs, -1);
1172         }
1173     }
1174
1175     public int urlListSize() {
1176         if (repURLs != null) {
1177             return repURLs.size();
1178         } else
1179             return 0;
1180     }
1181 }