franta-hg@1: /* ================================================================
franta-hg@1:  * Cewolf : Chart enabling Web Objects Framework
franta-hg@1:  * ================================================================
franta-hg@1:  *
franta-hg@1:  * Project Info:  http://cewolf.sourceforge.net
franta-hg@1:  * Project Lead:  Guido Laures (guido@laures.de);
franta-hg@1:  *
franta-hg@1:  * (C) Copyright 2002, by Guido Laures
franta-hg@1:  *
franta-hg@1:  * This library is free software; you can redistribute it and/or modify it under the terms
franta-hg@1:  * of the GNU Lesser General Public License as published by the Free Software Foundation;
franta-hg@1:  * either version 2.1 of
franta-hg@1:  * the License, or (at your option) any later version.
franta-hg@1:  *
franta-hg@1:  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
franta-hg@1:  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
franta-hg@1:  * See the GNU Lesser General Public License for more details.
franta-hg@1:  *
franta-hg@1:  * You should have received a copy of the GNU Lesser General Public License along with this
franta-hg@1:  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
franta-hg@1:  * Boston, MA 02111-1307, USA.
franta-hg@1:  */
franta-hg@1: 
franta-hg@1: package de.laures.cewolf.taglib.tags;
franta-hg@1: 
franta-hg@1: import java.io.IOException;
franta-hg@1: 
franta-hg@1: import javax.servlet.jsp.JspException;
franta-hg@1: 
franta-hg@1: /**
franta-hg@1:  * This tag only renders the image URL instead of a full <img> tag.
franta-hg@1:  * @author glaures
franta-hg@1:  * @see de.laures.cewolf.taglib.tags.ChartImgTag
franta-hg@1:  */
franta-hg@1: public class ChartImgURLTag extends ChartImgTag {
franta-hg@1: 	
franta-hg@1: 	public static final String VAR_NAME = "var";
franta-hg@1: 	
franta-hg@1: 	String var = null;
franta-hg@1:     
franta-hg@1:     public int doEndTag() throws JspException {
franta-hg@1:         try {
franta-hg@1:         	if(var == null){
franta-hg@1: 	            pageContext.getOut().write(getImgURL());
franta-hg@1:         	} else {
franta-hg@1:         		pageContext.setAttribute(var, getImgURL());
franta-hg@1:         	}
franta-hg@1:         } catch(IOException ioex){
franta-hg@1:         	log.error(ioex);
franta-hg@1:             throw new JspException(ioex.getMessage());
franta-hg@1:         }
franta-hg@1:     	return doAfterEndTag(EVAL_PAGE);
franta-hg@1:     }
franta-hg@1:     
franta-hg@1: 	/**
franta-hg@1: 	 * @see de.laures.cewolf.taglib.tags.CewolfBodyTag#reset()
franta-hg@1: 	 */
franta-hg@1: 	protected void reset() {
franta-hg@1: 		super.reset();
franta-hg@1: 		var = null;
franta-hg@1: 	}
franta-hg@1: 
franta-hg@1: 	/**
franta-hg@1: 	 * Returns the var.
franta-hg@1: 	 * @return String
franta-hg@1: 	 */
franta-hg@1: 	public String getVar() {
franta-hg@1: 		return var;
franta-hg@1: 	}
franta-hg@1: 
franta-hg@1: 	/**
franta-hg@1: 	 * Sets the var.
franta-hg@1: 	 * @param var The var to set
franta-hg@1: 	 */
franta-hg@1: 	public void setVar(String var) {
franta-hg@1: 		this.var = var;
franta-hg@1: 	}
franta-hg@1: 
franta-hg@1: }