ifnotpagepropertiesrightstag.java

java 写的一个新闻发布系统

package org.jahia.taglibs.url;

import org.jahia.data.JahiaData;
import org.jahia.exceptions.JahiaException;
import org.jahia.services.usermanager.JahiaUser;
import org.jahia.utils.JahiaConsole;

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

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


/**
 * Class IfNotPagePropertiesRightsTag : displays the body only when the user 
 *                   can access the properties window of the current page
 *
 * @author  Jerome Tamiotti
 */
public class IfNotPagePropertiesRightsTag extends BodyTagSupport {

    public int doAfterBody() {

		ServletRequest request = pageContext.getRequest();
		BodyContent body = getBodyContent();
		try {
			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");
			}
			// tests if the 'page properties' button must be displayed
			JahiaUser user = jData.params().getUser();
			
			if ( !jData.page().checkWriteAccess(user) ) {
				JspWriter out = body.getEnclosingWriter();
				out.print(body.getString());
			}
			return SKIP_BODY;

		} catch (IOException ioe) {
			JahiaConsole.println("IfPagePropertiesRightsTag: doAfterBody ", ioe.toString());
   		}
        return SKIP_BODY;
    }

}