writertemplate.java

Java Communicating Agents是一个用于开发网络反应式信息agent的框架

/*
 * $Source: /home/data/cvsroot/src/jacomma/icm/io/imp/WriterTemplate.java,v $
 * $Revision: 1.6 $
 * $Date: 2000/10/28 20:09:07 $
 *
 * This file is part of the jacomma framework
 * Copyright (c) 2000 	Dimitrios Vyzovitis
 *			mailto:[e-mail]
 *			
 *
 *			
 *			
 *			
 *
 *	This library is free software; you can redistribute it and/or modify
 *	it under the terms of the GNU Library General Public License as published by
 *	the Free Software Foundation; either version 2 of the License, or
 *	(at your option) any later version.
 *
 *	This library 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 Library General Public License for more details.
 *
 *	You should have received a copy of the GNU Library General Public License
 *	along with this library; if not, write to the Free Software
 *	Foundation, Inc., 59 Temple Place, Suite 330, 
 *	Boston, MA  02111-1307  USA
 */

package jacomma.icm.io.imp;

import jacomma.icm.io.EncObject;
import jacomma.icm.io.EncObjectType;
import jacomma.icm.io.EncObjectWriter;


public abstract class WriterTemplate  implements EncObjectWriter {

	protected java.io.OutputStream stream_;
	protected EncObject obj_;
	protected boolean done_;

	protected WriterTemplate(){}

	public void start( EncObject obj, java.io.OutputStream stream ) 
		throws java.io.IOException {
		
		done_ = false;
		obj_ = obj;
		stream_ = stream;

	}


	public void putObject() {}
	// simplest form: Write unbuffered
	// do nothing special - just protect from common mistakes
	
	public boolean hasNext() {
		return !done_;
	}

	public Object clone() {
		try {
			return super.clone();
		} catch ( CloneNotSupportedException exc ) {
			throw new jacomma.util.CheckedException( exc );
		}
	}

}