content: /**
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF licenses this file to You 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.
   */
  package org.apache.aries.jmx;
  
  import org.apache.aries.jmx.agent.JMXAgent;
  import org.apache.aries.jmx.agent.JMXAgentImpl;
  import org.apache.aries.jmx.framework.StateConfig;
  import org.osgi.framework.BundleActivator;
  import org.osgi.framework.BundleContext;
  import org.osgi.service.log.LogService;
  
  /**
   * <p>Activator for JMX OSGi bundle.</p>
   * 
   * @version $Rev$ $Date$
   */
  public class Activator implements BundleActivator {
  
      private JMXAgent agent;
      private Logger logger;
  
      /**
       * <p>Called when JMX OSGi bundle starts.
       * This method creates and starts JMX agent.</p>
       * 
       * @see org.osgi.framework.BundleActivator#start(BundleContext)
       */
      public void start(BundleContext context) throws Exception {
          StateConfig stateConfig = StateConfig.register(context);
          logger = new Logger(context);
          //starting logger
          logger.open();
          logger.log(LogService.LOG_DEBUG, "Starting JMX OSGi bundle");
          agent = new JMXAgentImpl(context, stateConfig, logger);
          agent.start();
      }
  
      /**
       * <p>Called when JMX OSGi bundle stops.
       * This method stops agent and logger @see {@link Logger}.</p>
       * 
       * @see org.osgi.framework.BundleActivator#stop(BundleContext)
       */
      public void stop(BundleContext bc) throws Exception {
          if (logger != null) {
              logger.log(LogService.LOG_DEBUG, "Stopping JMX OSGi bundle");
          }
          if (agent != null) {
              agent.stop();
          }
          if (logger != null) {
              logger.close();
          }
      }
  
  }
  