Initial OpenECOMP policy/engine commit

[policy/engine.git] / PyPDPServer / src / main / java / org / openecomp / policy / pypdp / jmx / PyPdpMBeanListener.java

diff --git a/PyPDPServer/src/main/java/org/openecomp/policy/pypdp/jmx/PyPdpMBeanListener.java b/PyPDPServer/src/main/java/org/openecomp/policy/pypdp/jmx/PyPdpMBeanListener.java
new file mode 100644 (file)
index 0000000..cd1c95d
--- /dev/null
+++ b/PyPDPServer/src/main/java/org/openecomp/policy/pypdp/jmx/PyPdpMBeanListener.java
@@ -0,0 +1,75 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ECOMP Policy Engine
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.policy.pypdp.jmx;
+
+import java.lang.management.ManagementFactory;
+
+import javax.management.MBeanServer;
+import javax.management.ObjectName;
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+import javax.servlet.annotation.WebListener;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
+import org.openecomp.policy.common.logging.flexlogger.Logger;
+
+@WebListener
+public class PyPdpMBeanListener implements ServletContextListener {
+       private static final String JMX_OBJECT_NAME = "PyPdp:type=PyPdpMonitor";
+//     private static final Log logger = LogFactory.getLog(PyPdpMBeanListener.class);
+       private static final Logger logger = FlexLogger.getLogger(PyPdpMBeanListener.class);
+       
+       private ObjectName objectName;
+
+       @Override
+       public void contextInitialized(ServletContextEvent contextEvent) {
+        if (logger.isInfoEnabled())
+               logger.info("Registering.");
+        
+        final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
+        try {
+            objectName = new ObjectName(JMX_OBJECT_NAME);
+            server.registerMBean(PyPdpMonitor.singleton, objectName);
+            logger.info("MBean registered: " + objectName);
+        } catch (Exception e) {
+            logger.warn(e.getMessage(), e);
+        }
+       }
+       
+       @Override
+       public void contextDestroyed(ServletContextEvent arg0) {
+               if (logger.isInfoEnabled())
+                       logger.info("Unregistering");
+        final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
+        try {
+            objectName = new ObjectName(JMX_OBJECT_NAME);
+            server.unregisterMBean(objectName);
+            if (logger.isInfoEnabled())
+               logger.info("MBean unregistered: " + objectName);
+        } catch (Exception e) {
+            logger.warn(e.getMessage(), e);
+        }
+       }
+
+}