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/* ================================================================
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* Cewolf : Chart enabling Web Objects Framework
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* ================================================================
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*
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* Project Info: http://cewolf.sourceforge.net
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* Project Lead: Guido Laures (guido@laures.de);
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*
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* (C) Copyright 2002, by Guido Laures
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*
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* This library is free software; you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Foundation;
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* either version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with this
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* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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package de.laures.cewolf.taglib.tags;
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import javax.servlet.jsp.JspException;
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import de.laures.cewolf.DatasetProducer;
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import de.laures.cewolf.taglib.DataAware;
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/**
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* Tag <producer> which defines a DatasetProducer.
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* @see DataTag
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* @author Guido Laures
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*/
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public class ProducerTag extends AbstractParameterizedObjectTag {
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private boolean useCache = true;
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public int doEndTag() throws JspException {
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DatasetProducer dataProducer = null;
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try {
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dataProducer = (DatasetProducer) getObject();
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if (dataProducer == null) {
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throw new JspException("Could not find datasetproducer under ID '" + getId() + "'");
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}
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} catch (ClassCastException cce) {
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throw new JspException(
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"Bean under ID '"
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+ getId()
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+ "' is of type '"
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+ getObject().getClass().getName()
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+ "'.\nType expected:"
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+ DatasetProducer.class.getName());
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}
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DataAware dw = (DataAware) findAncestorWithClass(this, DataAware.class);
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log.debug("setting data config on " + dw);
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log.debug("useCache = " + useCache);
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addParameter(DatasetProducer.PRODUCER_ATTRIBUTE_NAME, getId());
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dw.setDataProductionConfig(dataProducer, getParameters(), useCache);
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return doAfterEndTag(EVAL_BODY_INCLUDE);
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}
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/**
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* Sets the useCache.
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* @param useCache The useCache to set
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*/
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public void setUsecache(boolean useCache) {
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this.useCache = useCache;
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}
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}
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