ifnotupdatecontainerrightstag.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.data.containers.JahiaContainer;
import org.jahia.exceptions.JahiaException;
import org.jahia.services.usermanager.JahiaUser;
import org.jahia.taglibs.container.ContainerTag;
import org.jahia.utils.JahiaConsole;

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

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



public class IfNotUpdateContainerRightsTag 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");
			}
			JahiaContainer container = null;
			ContainerTag parent = (ContainerTag) findAncestorWithClass(this,ContainerTag.class);
			if (parent != null) {
				container = parent.getContainer();
			}
			if (container != null) {
				JahiaUser user = jData.params().getUser();
    			// tests if the 'update' button must be displayed
				if ( !container.checkWriteAccess(user) 
					 || !jData.gui().isEditMode() ) {
	        		JspWriter out = body.getEnclosingWriter();
			        out.print(body.getString());
			    }
			}
			return SKIP_BODY;

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

}