/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.midp.services;
import java.io.DataInput;
import java.io.DataOutput;
/**
* Message is what is passed between service and client. At low
* level message body is just array of bytes. It is also possible
* to write/extract a sequence of primitive types from the message.
* In other words, message body can be seen as data stream from which
* you can read/write primitive types.
*/
public abstract class SystemServiceMessage {
/**
* Creates an empty message.
*
* @return empty message
*/
public static SystemServiceMessage newMessage() {
return new SystemServiceWriteMessage();
}
/**
* Gets message body as DataInput.
*
* @return DataInput interface for reading data from message
*/
abstract public DataInput getDataInput();
/**
* Gets message body as DataOutput.
*
* @return DataOutput interface for writing data to message
*/
abstract public DataOutput getDataOutput();
}
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