001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    package org.apache.geronimo.osgi.locator;
018    import org.osgi.framework.BundleActivator;
019    import org.osgi.framework.BundleContext;
020    import org.osgi.framework.BundleEvent;
021    
022    public class Activator implements BundleActivator {
023        protected BundleContext bundleContext;
024    
025        public synchronized void start(BundleContext bundleContext) throws Exception {
026            this.bundleContext = bundleContext;
027            // initialize the locator
028            ProviderLocator.init(bundleContext);
029        }
030    
031        public synchronized void stop(BundleContext bundleContext) throws Exception {
032            // shut down the locator service
033            ProviderLocator.destroy();
034            this.bundleContext = null;
035        }
036    
037        public void bundleChanged(BundleEvent event) {
038            // nothing to change here
039        }
040    }