1 files changed, 132 insertions, 0 deletions
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/std/AutoClientDMAAP.java b/PolicyEngineAPI/src/main/java/org/onap/policy/std/AutoClientDMAAP.java
new file mode 100644
index 000000000..3699bfcfb
--- /dev/null
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/std/AutoClientDMAAP.java
@@ -0,0 +1,132 @@
+package org.onap.policy.std;
+
+import java.util.List;
+import java.util.UUID;
+
+import org.onap.policy.api.NotificationHandler;
+import org.onap.policy.api.NotificationScheme;
+import org.onap.policy.api.NotificationType;
+import org.onap.policy.api.PDPNotification;
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.utils.BusConsumer;
+import org.onap.policy.xacml.api.XACMLErrorConstants;
+
+public class AutoClientDMAAP implements Runnable {
+	private static StdPDPNotification notification = null;
+	private static NotificationScheme scheme = null;
+	private static NotificationHandler handler = null;
+	private static String topic = null;
+	private static boolean status = false; 
+	private static Logger logger = FlexLogger.getLogger(AutoClientDMAAP.class.getName());
+	private static String notficatioinType = null;
+	private static BusConsumer dmaapConsumer = null;
+	private static List<String> dmaapList = null; 
+	private static String aafLogin = null;
+	private static String aafPassword = null;
+	public volatile boolean isRunning = false;
+    
+
+	public AutoClientDMAAP(List<String> dmaapList, String topic, String aafLogin, String aafPassword) {
+	       AutoClientDMAAP.topic = topic;
+	       AutoClientDMAAP.dmaapList = dmaapList;
+	       AutoClientDMAAP.aafLogin = aafLogin;
+	       AutoClientDMAAP.aafPassword = aafPassword;
+	}
+
+	public void setAuto(NotificationScheme scheme,
+			NotificationHandler handler) {
+		AutoClientDMAAP.scheme = scheme;
+		AutoClientDMAAP.handler = handler;
+	}
+
+	public static void setScheme(NotificationScheme scheme) {
+		AutoClientDMAAP.scheme = scheme;
+	}
+	
+	public static boolean getStatus(){
+		return AutoClientDMAAP.status;
+	}
+
+	public static String getTopic() {
+		return AutoClientDMAAP.topic;
+	}
+	
+	public static String getNotficationType(){
+		return AutoClientDMAAP.notficatioinType;
+	}
+
+	public synchronized boolean isRunning() {
+		return this.isRunning;
+	}
+	
+	public synchronized void terminate() {
+		this.isRunning = false;
+	}
+	
+	@Override
+	public void run() {
+		synchronized(this) {
+			this.isRunning = true;
+		}
+		String group =  UUID.randomUUID ().toString ();
+		String id = "0";
+
+		// Stop and Start needs to be done.
+		if (scheme != null && handler!=null) {
+			if (scheme.equals(NotificationScheme.AUTO_ALL_NOTIFICATIONS) || scheme.equals(NotificationScheme.AUTO_NOTIFICATIONS)) {
+					
+				// create a loop to listen for messages from DMaaP server
+				try {
+					dmaapConsumer = new BusConsumer.DmaapConsumerWrapper(dmaapList, topic, aafLogin, aafPassword, group, id, 15*1000, 1000 );
+				} catch (Exception e) {
+					logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Unable to create DMaaP Consumer: ", e);
+				} 
+				
+				while (this.isRunning() )
+				{
+					try {
+						for ( String msg : dmaapConsumer.fetch () )
+						{		
+							logger.debug("Auto Notification Recieved Message " + msg + " from DMAAP server : " + dmaapList.toString());
+							notification = NotificationUnMarshal.notificationJSON(msg);
+							callHandler();
+						}
+					} catch (Exception e) {
+						logger.debug("Error in processing DMAAP message");
+					}
+
+				}
+				logger.debug("Stopping DMAAP Consumer loop will no longer fetch messages from the servers");
+			}
+		}
+	}
+
+	private static void callHandler() {
+		if (handler != null && scheme != null) {
+			if (scheme.equals(NotificationScheme.AUTO_ALL_NOTIFICATIONS)) {
+				boolean removed = false, updated = false;
+				if (notification.getRemovedPolicies() != null && !notification.getRemovedPolicies().isEmpty()) {
+					removed = true;
+				}
+				if (notification.getLoadedPolicies() != null && !notification.getLoadedPolicies().isEmpty()) {
+					updated = true;
+				}
+				if (removed && updated) {
+					notification.setNotificationType(NotificationType.BOTH);
+				} else if (removed) {
+					notification.setNotificationType(NotificationType.REMOVE);
+				} else if (updated) {
+					notification.setNotificationType(NotificationType.UPDATE);
+				}
+				handler.notificationReceived(notification);
+			} else if (scheme.equals(NotificationScheme.AUTO_NOTIFICATIONS)) {
+				PDPNotification newNotification = MatchStore.checkMatch(notification);
+				if (newNotification.getNotificationType() != null) {
+					handler.notificationReceived(newNotification);
+				}
+			}
+		}
+	}
+
+}