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package com.wutka.dtd;
import java.io.*;
import java.util.*;
/** Represents a choice of items.
* A choice in a DTD looks like (option1 | option2 | option3)
*
* @author Mark Wutka
* @version $Revision: 1.16 $ $Date: 2002/07/19 01:20:11 $ by $Author: wutka $
*/
public class DTDChoice extends DTDContainer
{
public DTDChoice()
{
}
/** Writes out the possible choices to a PrintWriter */
public void write(PrintWriter out)
throws IOException
{
out.print("(");
Enumeration e = getItemsVec().elements();
boolean isFirst = true;
while (e.hasMoreElements())
{
if (!isFirst) out.print(" | ");
isFirst = false;
DTDItem item = (DTDItem) e.nextElement();
item.write(out);
}
out.print(")");
cardinal.write(out);
}
public boolean equals(Object ob)
{
if (ob == this) return true;
if (!(ob instanceof DTDChoice)) return false;
return super.equals(ob);
}
}
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