/* ================================================================
* Cewolf : Chart enabling Web Objects Framework
* ================================================================
*
* Project Info: http://cewolf.sourceforge.net
* Project Lead: Guido Laures (guido@laures.de);
*
* (C) Copyright 2002, by Guido Laures
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 de.laures.cewolf.taglib.tags;
import javax.servlet.jsp.JspException;
import de.laures.cewolf.ChartPostProcessor;
import de.laures.cewolf.taglib.util.PageUtils;
/**
* Tag to define a post processor.
* @see ChartPostProcessor
* @author Guido Laures
*/
public class ChartPostProcessorTag extends AbstractParameterizedObjectTag {
public int doEndTag() throws JspException {
ChartPostProcessor pp = null;
try {
pp = (ChartPostProcessor)getObject();
if (pp == null) {
throw new JspException("Could not find ChartEnhanncer under ID '" + getId() + "'");
}
} catch (ClassCastException cce) {
throw new JspException("Bean under ID '" + getId() + "' is of type '"
+ pp.getClass().getName() +
"'.\nType expected:" + ChartPostProcessor.class.getName());
}
AbstractChartTag rt = (AbstractChartTag)PageUtils.findRoot(this, pageContext);
rt.addChartPostProcessor((ChartPostProcessor)getObject(), getParameters());
return doAfterEndTag(EVAL_PAGE);
}
}