ServerCorePlugin.java

/*******************************************************************************
 * Copyright (c) 2009, 2010 SpringSource, a divison of VMware, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     SpringSource, a division of VMware, Inc. - initial API and implementation
 *******************************************************************************/
package org.eclipse.virgo.ide.runtime.core;

import java.net.URI;
import java.net.URL;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import org.eclipse.core.runtime.FileLocator;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.virgo.ide.runtime.core.provisioning.ArtefactRepositoryManager;
import org.osgi.framework.BundleContext;


/**
 * Bundle Activator for the server.core plugin.
 * @author Christian Dupuis
 * @since 1.0.0
 */
public class ServerCorePlugin extends AbstractUIPlugin {
	
	public static final String CONNECTOR_BUNDLE_NAME = 
		"org.eclipse.virgo.ide.management.remote_1.0.0.RELEASE.jar";

	/** The bundle symbolic name */
	public static final String PLUGIN_ID = "org.eclipse.virgo.ide.runtime.core";

	public static final String PREF_LOAD_CLASSES_KEY = PLUGIN_ID + ".load.classes.from.index";
	
	private URI connectorBundleUri;
	
	/** The shared bundle instance */
	private static ServerCorePlugin plugin;
	
	/** Internal artefact repository manager */
	private ArtefactRepositoryManager artefactRepositoryManager;
	
	public static ExecutorService EXECUTOR = Executors.newCachedThreadPool();

	@Override
	public void start(BundleContext context) throws Exception {
		super.start(context);
		plugin = this; 
		ServerUtils.clearCacheDirectory();
		
		URL url = FileLocator.toFileURL(context.getBundle().getEntry(CONNECTOR_BUNDLE_NAME));
		if (url != null) {
			connectorBundleUri = new URI("file", url.toString().substring(5), null);
		}
		
		plugin.getPreferenceStore().setDefault(PREF_LOAD_CLASSES_KEY, false);
		
		artefactRepositoryManager = new ArtefactRepositoryManager();
	}

	@Override
	public void stop(BundleContext context) throws Exception {
		ServerUtils.clearCacheDirectory();
		artefactRepositoryManager.stop();
		artefactRepositoryManager = null;
		plugin = null;
		super.stop(context);
	}

	public static ServerCorePlugin getDefault() {
		return plugin;
	}

	public static String getPreference(String id) {
		return getDefault().getPluginPreferences().getString(id);
	}

	public static void setPreference(String id, String value) {
		getDefault().getPluginPreferences().setValue(id, value);
		getDefault().savePluginPreferences();
	}

	public static ArtefactRepositoryManager getArtefactRepositoryManager() {
		return getDefault().artefactRepositoryManager;
	}
	
	public URI getConnectorBundleUri() {
		return connectorBundleUri;
	}
}