/*
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
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 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
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 * Header, with the fields enclosed by brackets [] replaced by your own
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 * its licensees as provided above.  However, if you add GPL Version 2 code
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/* CVS information
 * $Header: /cvs/glassfish/jmx-remote/rjmx-impl/src/java/com/sun/enterprise/admin/jmx/remote/server/callers/IsRegisteredCaller.java,v 1.4 2007/05/05 05:36:27 tcfujii Exp $
 * $Revision: 1.4 $
 * $Date: 2007/05/05 05:36:27 $
*/


package com.sun.enterprise.admin.jmx.remote.server.callers;

import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import javax.management.remote.message.MBeanServerRequestMessage;
import javax.management.remote.message.MBeanServerResponseMessage;

/** Invokes the method isRegistered of the MBeanServerConnection.
 * @see MBeanServerRequestMessage#IS_REGISTERED
 * @author Kedar Mhaswade
 * @since S1AS8.0
 * @version 1.0
 */

public class IsRegisteredCaller extends AbstractMethodCaller {
	
	/** Creates a new instance of CreateMBeanCaller */
	public IsRegisteredCaller(MBeanServerConnection mbsc) {
		super(mbsc);
		METHOD_ID = MBeanServerRequestMessage.IS_REGISTERED;
	}
	
	public MBeanServerResponseMessage call(MBeanServerRequestMessage request) {
		Object result = null;
		boolean isException = false;
		try {
			result = new Boolean(mbsc.isRegistered((ObjectName)request.getParams()[0]));
		}
		catch(Throwable e) {
			result = e;
			isException = true;
		}
		return ( new MBeanServerResponseMessage(METHOD_ID, result, isException) );				
	}
}