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    1   /*
    2    * Copyright 2009 Red Hat, Inc.
    3    *
    4    * Red Hat licenses this file to you under the Apache License, version 2.0
    5    * (the "License"); you may not use this file except in compliance with the
    6    * 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   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
    27   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
    28   * @version $Rev: 2231 $, $Date: 2010-03-31 12:20:47 +0900 (Wed, 31 Mar 2010) $
    29   */
    30  public class NettyBundleActivator implements BundleActivator {
    31
    32      private OsgiLoggerFactory loggerFactory;
    33
    34      public void start(BundleContext ctx) throws Exception {
    35          // Switch the internal logger to the OSGi LogService.
    36          loggerFactory = new OsgiLoggerFactory(ctx);
    37          InternalLoggerFactory.setDefaultFactory(loggerFactory);
    38      }
    39
    40      public void stop(BundleContext ctx) throws Exception {
    41          if (loggerFactory != null) {
    42              InternalLoggerFactory.setDefaultFactory(loggerFactory.getFallback());
    43              loggerFactory.destroy();
    44              loggerFactory = null;
    45          }
    46      }
    47  }