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1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package org.jboss.netty.container.osgi;
17  
18  import org.jboss.netty.logging.InternalLoggerFactory;
19  import org.jboss.netty.logging.OsgiLoggerFactory;
20  import org.osgi.framework.BundleActivator;
21  import org.osgi.framework.BundleContext;
22  
23  /**
24   * An OSGi {@link BundleActivator} that configures logging.
25   */
26  public class NettyBundleActivator implements BundleActivator {
27  
28      private OsgiLoggerFactory loggerFactory;
29  
30      public void start(BundleContext ctx) throws Exception {
31          // Switch the internal logger to the OSGi LogService.
32          loggerFactory = new OsgiLoggerFactory(ctx);
33          InternalLoggerFactory.setDefaultFactory(loggerFactory);
34      }
35  
36      public void stop(BundleContext ctx) throws Exception {
37          if (loggerFactory != null) {
38              InternalLoggerFactory.setDefaultFactory(loggerFactory.getFallback());
39              loggerFactory.destroy();
40              loggerFactory = null;
41          }
42      }
43  }