aaa-filterchain/src/main/java/org/opendaylight/aaa/filterchain/Activator.java

   1 /*
   2  * Copyright (c) 2016 Brocade Communications Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.aaa.filterchain;
  10
  11 import org.opendaylight.aaa.filterchain.configuration.CustomFilterAdapterConfiguration;
  12 import org.osgi.framework.BundleActivator;
  13 import org.osgi.framework.BundleContext;
  14 import org.osgi.framework.ServiceRegistration;
  15 import org.osgi.service.cm.ManagedService;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 /**
  20  * Activator for <code>aaa-filterchain</code>, a bundle which provides the ability
  21  * to inject custom <code>Filter</code>(s) in front of servlets.
  22  *
  23  * <p>
  24  * This class is also responsible for offering contextual <code>DEBUG</code>
  25  * level clues concerning the activation of the <code>aaa-filterchain</code> bundle.
  26  * To enable these debug messages, issue the following command in the karaf
  27  * shell: <code>log:set debug org.opendaylight.aaa.filterchain.Activator</code>
  28  *
  29  * @author Ryan Goulding (ryandgoulding@gmail.com)
  30  */
  31 public class Activator implements BundleActivator {
  32
  33     private static final Logger LOG = LoggerFactory.getLogger(Activator.class);
  34
  35     private ServiceRegistration<ManagedService> managedServiceServiceRegistration;
  36
  37     @Override
  38     public void stop(BundleContext context) throws Exception {
  39         LOG.debug("Destroying the aaa-filterchain bundle");
  40         managedServiceServiceRegistration.unregister();
  41     }
  42
  43     @Override
  44     public void start(BundleContext context) throws Exception {
  45         LOG.debug("Initializing the aaa-filterchain bundle");
  46         // Register the CustomFilterAdapterConfiguration ManagedService with the
  47         // BundleContext so config values can be loaded from the config admin
  48         managedServiceServiceRegistration = context.registerService(ManagedService.class,
  49                 CustomFilterAdapterConfiguration.getInstance(),
  50                 CustomFilterAdapterConfiguration.getInstance().getDefaultProperties());
  51     }
  52 }