/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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 org.apache.brooklyn.launcher.osgi;

import org.apache.brooklyn.core.mgmt.ShutdownHandler;
import org.apache.brooklyn.util.exceptions.Exceptions;
import org.osgi.framework.Bundle;
import org.osgi.framework.FrameworkUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class OsgiShutdownHandler implements ShutdownHandler {
    private static final Logger log = LoggerFactory.getLogger(OsgiShutdownHandler.class);

    @Override
    public void onShutdownRequest() {
        try {
            log.debug("OSGi Shutdown Handler invoked, stopping container framework.");
            getFramework().stop();
        } catch (Exception e) {
            throw Exceptions.propagate(e);
        }
    }

    private Bundle getFramework() {
        final Bundle bundle = FrameworkUtil.getBundle(OsgiShutdownHandler.class);
        return bundle.getBundleContext().getBundle(0);
    }

}
