JmxBundleAdminExecuteCommand.java

/*******************************************************************************
 * Copyright (c) 2009 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.internal.core.command;

import java.io.IOException;
import java.net.URISyntaxException;
import java.util.concurrent.TimeoutException;

import javax.management.InstanceNotFoundException;
import javax.management.MBeanServerConnection;
import javax.management.ObjectName;

import org.eclipse.virgo.ide.runtime.core.IServerBehaviour;
import org.eclipse.virgo.ide.runtime.core.ServerCorePlugin;


/**
 * @author Christian Dupuis
 */
public class JmxBundleAdminExecuteCommand extends AbstractJmxServerCommand implements
		IServerCommand<String> {

	private final String cmdLine;

	public JmxBundleAdminExecuteCommand(IServerBehaviour serverBehaviour, String cmdLine) {
		super(serverBehaviour);
		this.cmdLine = cmdLine;
	}

	public String execute() throws IOException, TimeoutException {

		return (String) execute(new JmxServerCommandTemplate() {

			public Object invokeOperation(MBeanServerConnection connection) throws Exception {
				ObjectName name = ObjectName
						.getInstance("com.springsource.server:type=BundleAdmin");

				// Verify that the BundleAdmin exists and runs
				checkBundleAdminAndInstall(serverBehaviour, connection, name);

				return connection.invoke(name, "execute", new Object[] { cmdLine },
						new String[] { String.class.getName() });
			}

		});
	}
	
	private static void checkBundleAdminAndInstall(IServerBehaviour behaviour, MBeanServerConnection connection,
			ObjectName name) throws IOException, TimeoutException, URISyntaxException {
		try {
			// Check if BundleAdmin MBean is registered
			connection.getObjectInstance(name);
		}
		catch (InstanceNotFoundException e) {
			// Install the BundleAdmin bundle
			behaviour.getVersionHandler().getServerDeployCommand(behaviour,
					ServerCorePlugin.getDefault().getConnectorBundleUri()).execute();
		}
	}

}