ifeditmodetag.java

java 写的一个新闻发布系统

package org.jahia.taglibs.util;

import org.jahia.data.*;
import org.jahia.exceptions.JahiaException;
import org.jahia.utils.JahiaConsole;

import java.io.*;
import java.util.*;

import javax.servlet.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;


/**
 * Class IfEditModeTag : evaluates the body only in Jahia edit mode
 *
 * @author  Jerome Tamiotti
 */
public class IfEditModeTag extends BodyTagSupport {

	public int doStartTag() {
		// tests the current mode
		ServletRequest request = pageContext.getRequest();
		JahiaData jData = (JahiaData) request.getAttribute("org.jahia.data.JahiaData");
		if (jData == null) {
			HashMap tempEngineMap = (HashMap) request.getAttribute("org.jahia.engines.EngineHashMap");
			jData                 = (JahiaData) tempEngineMap.get("jData");
		}
		try {
			if (jData.gui().isEditMode()) {
				return EVAL_BODY_BUFFERED;
			}
		} catch (JahiaException je) {
			JahiaConsole.println("IfEditModeTag: doStartTag ",je.toString());
		}
		return SKIP_BODY;
	}


    public int doAfterBody() {
		try {
			bodyContent.writeOut(bodyContent.getEnclosingWriter());
		} catch (IOException ioe) {
			JahiaConsole.println("IfEditModeTag: doAfterBody ",ioe.toString());
		}
		return SKIP_BODY;
	}
        
}