PolicyEngineAPI/src/main/java/org/onap/policy/std/ManualClientEndDMAAP.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * PolicyEngineAPI
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.policy.std;
  22
  23 import java.util.List;
  24
  25 import org.json.JSONObject;
  26 import org.onap.policy.api.NotificationScheme;
  27 import org.onap.policy.api.NotificationType;
  28 import org.onap.policy.api.PDPNotification;
  29 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  30 import org.onap.policy.common.logging.flexlogger.Logger;
  31 import org.onap.policy.utils.BusConsumer;
  32 import org.onap.policy.utils.BusPublisher;
  33 import org.onap.policy.xacml.api.XACMLErrorConstants;
  34
  35 public class ManualClientEndDMAAP {
  36         private static StdPDPNotification notification = null;
  37         private static String resultJson = null;
  38         private static Logger logger = FlexLogger.getLogger(ManualClientEndDMAAP.class.getName());
  39         private static BusConsumer dmaapConsumer = null;
  40         private static String uniquID = null;
  41         private static String topic = null;
  42
  43
  44         public static PDPNotification result(NotificationScheme scheme) {
  45                 if (resultJson == null || notification == null) {
  46                         logger.debug("No Result" );
  47                         return null;
  48                 } else {
  49                         if(scheme.equals(NotificationScheme.MANUAL_ALL_NOTIFICATIONS)) {
  50                                 boolean removed = false, updated = false;
  51                                 if(notification.getRemovedPolicies()!=null && !notification.getRemovedPolicies().isEmpty()){
  52                                         removed = true;
  53                                 }
  54                                 if(notification.getLoadedPolicies()!=null && !notification.getLoadedPolicies().isEmpty()){
  55                                         updated = true;
  56                                 }
  57                                 if(removed && updated) {
  58                                         notification.setNotificationType(NotificationType.BOTH);
  59                                 }else if(removed){
  60                                         notification.setNotificationType(NotificationType.REMOVE);
  61                                 }else if(updated){
  62                                         notification.setNotificationType(NotificationType.UPDATE);
  63                                 }
  64                                 return notification;
  65                         }else if(scheme.equals(NotificationScheme.MANUAL_NOTIFICATIONS)) {
  66                                 return MatchStore.checkMatch(notification);
  67                         }else {
  68                                 return null;
  69                         }
  70                 }
  71         }
  72
  73         private static void publishMessage(String pubTopic, String uniqueID, List<String> dmaapList, String aafLogin, String aafPassword) {
  74         BusPublisher pub = null;
  75                 try {
  76                         pub = new BusPublisher.DmaapPublisherWrapper(dmaapList, topic, aafLogin, aafPassword);
  77                         final JSONObject msg1 = new JSONObject ();
  78                 msg1.put ( "JSON", "DMaaP Update Request UID=" + uniqueID);
  79                 pub.send ( "MyPartitionKey", msg1.toString () );
  80                 } catch (Exception e) {
  81                         logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Unable to create DMaaP Publisher: ", e);
  82                 }
  83                 if(pub != null){
  84                 pub.close ();
  85                 }
  86         }
  87
  88         //NOTE:  should be able to remove this for DMAAP since we will not be creating topics dynamically
  89         public static void createTopic (String topic, String uniquID, List<String> dmaapList, String aafLogin, String aafPassword){
  90                 ManualClientEndDMAAP.topic = topic;
  91                 publishMessage(topic, uniquID, dmaapList, aafLogin, aafPassword);
  92         }
  93
  94
  95         public static void start(List<String> dmaapList, String topic, String aafLogin, String aafPassword, String uniqueID) {
  96
  97                 ManualClientEndDMAAP.uniquID = uniqueID;
  98                 ManualClientEndDMAAP.topic = topic;
  99
 100                 String id = "0";
 101
 102                 try {
 103                         dmaapConsumer = new BusConsumer.DmaapConsumerWrapper(dmaapList, topic, aafLogin, aafPassword, "clientGroup", id, 15*1000, 1000);
 104                 } catch (Exception e) {
 105                         logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Unable to create DMaaP Consumer: ", e);
 106                 }
 107
 108                 int count = 1;
 109                 while (count < 4) {
 110                                 publishMessage(topic, uniquID, dmaapList, aafLogin, aafPassword);
 111                                 try {
 112                                         for ( String msg : dmaapConsumer.fetch () )
 113                                         {
 114                                                 logger.debug("Manual Notification Recieved Message " + msg + " from DMaaP server : " + dmaapList.toString());
 115                                                 resultJson = msg;
 116                                                 if (!msg.contains("DMaaP Update")){
 117                                                         notification = NotificationUnMarshal.notificationJSON(msg);
 118                                                         count = 4;
 119                                                 }
 120                                         }
 121                                 }catch (Exception e) {
 122                                         logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Unable to fetch messages from DMaaP servers: ", e);
 123                                 }
 124                                 count++;
 125                         }
 126         }
 127 }