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package org.apache.taglibs.standard.examples.taglib;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.jstl.core.LoopTag;
import javax.servlet.jsp.tagext.TagSupport;
/**
* <p>Tag handler for <odd>
*
* @author Pierre Delisle
* @version $Revision: 1.3 $ $Date: 2007/05/06 02:17:11 $
*/
public class EvenTag extends TagSupport {
//*********************************************************************
// TagSupport methods
public int doStartTag() throws JspException {
LoopTag iteratorTag = (LoopTag)findAncestorWithClass(
this, LoopTag.class);
if (iteratorTag == null) {
throw new JspTagException("<even> must be nested within a LoopTag");
}
int count = iteratorTag.getLoopStatus().getCount();
return (count % 2 == 0) ? EVAL_BODY_INCLUDE : SKIP_BODY;
}
}