RuntimeActivator.java

/*
 * Copyright 2013 The Solmix Project
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.gnu.org/licenses/ 
 * or see the FSF site: http://www.fsf.org. 
 */
package org.solmix.runtime.osgi;

import java.util.ArrayList;
import java.util.List;

import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.solmix.runtime.extension.ExtensionInfo;
import org.solmix.runtime.extension.ExtensionRegistry;


/**
 * 
 * @author solmix.f@gmail.com
 * @version $Id$  2014年7月27日
 */

public class RuntimeActivator implements BundleActivator
{

    private ExtensionBundleListener bundleListener;
    private List<ExtensionInfo> extensions;
    /**
     * {@inheritDoc}
     * 
     * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
     */
    @Override
    public void start(BundleContext context) throws Exception {
        bundleListener=new ExtensionBundleListener(context.getBundle().getBundleId());
        context.addBundleListener(bundleListener);
        bundleListener.registerExistingBundles(context);
        
        extensions = new ArrayList<ExtensionInfo>();
        extensions.add(createBunleListenerExtensionInfo(context));
        
        ExtensionRegistry.addExtensions(extensions);
    }

    /**
     * @param context
     * @return
     */
    private ExtensionInfo createBunleListenerExtensionInfo(BundleContext context) {
        ExtensionInfo containerListener=new ExtensionInfo(BundleContainerListener.class);
        containerListener.setArgs(new Object[]{context});
        return containerListener;
    }

    /**
     * {@inheritDoc}
     * 
     * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
     */
    @Override
    public void stop(BundleContext context) throws Exception {
        context.removeBundleListener(bundleListener);
        bundleListener.close();
        ExtensionRegistry.removeExtensions(extensions);
    }

}