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ICAP Codec implementation for JBoss Netty

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/*******************************************************************************
 * Copyright (c) 2012 Michael Mimo Moratti.
 *
 * Michael Mimo Moratti 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 ch.mimo.netty.icap.container.osgi;

import org.jboss.netty.logging.InternalLoggerFactory;
import org.jboss.netty.logging.OsgiLoggerFactory;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;

/**
 * OSGI bundle activator. It will set the osgi logging factory.
 * 
 * @author Michael Mimo Moratti ([email protected])
 *
 */
public class NettyIcapBundleActivator implements BundleActivator {

    private OsgiLoggerFactory loggerFactory;

    @Override
    public void start(BundleContext ctx) throws Exception {
        // Switch the internal logger to the OSGi LogService.
        loggerFactory = new OsgiLoggerFactory(ctx);
        InternalLoggerFactory.setDefaultFactory(loggerFactory);
    }

    @Override
    public void stop(BundleContext ctx) throws Exception {
        if (loggerFactory != null) {
            InternalLoggerFactory.setDefaultFactory(loggerFactory.getFallback());
            loggerFactory.destroy();
            loggerFactory = null;
        }
    }
}