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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either
 * the GNU General Public License Version 2 only ("GPL") or
 * the Common Development 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 www.sun.com/CDDL or at COPYRIGHT. See the
 * License for the specific language governing permissions and
 * limitations under the License. When distributing the software,
 * include this License Header Notice in each file and include
 * the License file at /legal/license.txt. If applicable, add the
 * following below the License Header, with the fields enclosed
 * by brackets [] replaced by your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 * 
 * Contributor(s):
 * 
 * If you wish your version of this file to be governed by
 * only the CDDL or only the GPL Version 2, indicate your
 * decision by adding "[Contributor] elects to include this
 * software in this distribution under the [CDDL or GPL
 * Version 2] license." If you don't indicate a single choice
 * of license, a recipient has the option to distribute your
 * version of this file under either the CDDL, the GPL Version
 * 2 or to extend the choice of license to its licensees as
 * provided above. However, if you add GPL Version 2 code and
 * therefore, elected the GPL Version 2 license, then the
 * option applies only if the new code is made subject to such
 * option by the copyright holder.
 */
package com.sun.apoc.daemon.messaging;

import com.sun.apoc.daemon.misc.*;

import java.nio.ByteBuffer;

public abstract class Message
{
	protected int		mName;
	protected String	mSessionId;

	public int		getName()		{ return mName;	}
	public String	getSessionId()	{ return mSessionId; }

	protected Message( final int inName )
	{
		mName		= inName;
	}

	protected abstract void addParameter( String inName, String inValue )
		throws APOCException;

	public abstract boolean	isValid();

    private static final byte [] sBindingHeader = 
                                        APOCSymbols.sContentLength.getBytes() ;
    private static final int sBindingHeaderLen = sBindingHeader.length ;

    public ByteBuffer serialise()
    {
        final byte [] theContent = toString().getBytes() ;
        final byte [] theContentLength = 
                                String.valueOf(theContent.length).getBytes() ;

        return (ByteBuffer) ByteBuffer.allocate(sBindingHeaderLen +
                                                theContentLength.length +
                                                2 + // "\r\n"
                                                theContent.length)
                                      .put(sBindingHeader)
                                      .put(theContentLength)
                                      .put((byte) '\r')
                                      .put((byte) '\n')
                                      .put(theContent)
                                      .flip() ;
    }
}