package com.wutka.dtd;import java.io.*;/** Represents an external System ID in an entity declaration * * @author Mark Wutka * @version $Revision: 1.16 $ $Date: 2002/07/19 01:20:11 $ by $Author: wutka $ */public class DTDSystem extends DTDExternalID{    public DTDSystem()    {    }/** Writes out a declaration for this SYSTEM ID */    public void write(PrintWriter out)    {        if (system != null)        {            out.print("SYSTEM \"");            out.print(system);            out.print("\"");        }    }    public boolean equals(Object ob)    {        if (ob == this) return true;        if (!(ob instanceof DTDSystem)) return false;        return super.equals(ob);    }}