MBeanServerResponseActor.java

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/*
 * MBeanServerResponseActor.java
 * $Id: MBeanServerResponseActor.java,v 1.3 2005/12/25 04:26:34 tcfujii Exp $
 * $Revision: 1.3 $
 * $Date: 2005/12/25 04:26:34 $
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 */

package com.sun.enterprise.admin.jmx.remote.internal;

import javax.management.remote.message.MBeanServerResponseMessage;

/** A class to <code> act </code> on the instances of {@link MBeanServerResponseMessage}.
 * Since the response may have both the exceptions and valid results, we have to
 * carefully handle them.
 * @author  mailto:Kedar.Mhaswade@Sun.Com
 * @since Sun Java System Application Server 8
 */
class MBeanServerResponseActor {
    
    private MBeanServerResponseActor() {
        //disllow
    }
    static final void voidOrThrow(final MBeanServerResponseMessage message) throws Exception {
        if (message.isException()) {
            throw ((Exception)message.getWrappedResult());
        }
        /*ignore the return value, if there is no exception, as the message
        implies a method invocation that returns void. */
    }
    
    static final Object returnOrThrow(final MBeanServerResponseMessage message) throws Exception {
        voidOrThrow(message);
        return ( message.getWrappedResult() );
    }
}