diff options
Diffstat (limited to 'ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/jmx/PdpRestMBeanListener.java')
-rw-r--r-- | ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/jmx/PdpRestMBeanListener.java | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/jmx/PdpRestMBeanListener.java b/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/jmx/PdpRestMBeanListener.java new file mode 100644 index 000000000..3232b6b8c --- /dev/null +++ b/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/jmx/PdpRestMBeanListener.java @@ -0,0 +1,85 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP-PDP-REST + * ================================================================================ + * 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.onap.policy.pdp.rest.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.onap.policy.common.logging.flexlogger.FlexLogger; +import org.onap.policy.common.logging.flexlogger.Logger; +import org.onap.policy.xacml.api.XACMLErrorConstants; +/** + * + * + */ + +@WebListener +public class PdpRestMBeanListener implements ServletContextListener { + private static final String JMX_OBJECT_NAME = "PdpRest:type=PdpRestMonitor"; + private static final Logger LOGGER = FlexLogger.getLogger(PdpRestMBeanListener.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(PdpRestMonitor.getSingleton(), objectName); + LOGGER.info("MBean registered: " + objectName); + } catch (Exception e) { + + LOGGER.warn(e.getMessage(), e); + + LOGGER.warn(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Unable to Register " +e.getMessage(), e); + + } + } + // mark + @Override + public void contextDestroyed(ServletContextEvent contextEvent) { + 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); + + LOGGER.warn(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Unable to Destroy Context" +e.getMessage(), e); + + } + } + +} + |