/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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: 1.1.2.2 $ $Date: 2004/02/28 06:08:04 $
*/
public class OddTag extends TagSupport {
//*********************************************************************
// TagSupport methods
public int doStartTag() throws JspException {
LoopTag iteratorTag = (LoopTag)findAncestorWithClass(
this, LoopTag.class);
if (iteratorTag == null) {
throw new JspTagException("<odd> must be nested within a LoopTag");
}
int count = iteratorTag.getLoopStatus().getCount();
System.out.println("count: " + count);
System.out.println("count odd/even: " + (count % 2));
return (count % 2 == 1) ? EVAL_BODY_INCLUDE : SKIP_BODY;
}
}