ifupdatecontainerrightstag.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 IfUpdateContainerRightsTag 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) {
                if (parent.isDeclarationPass()) {
                    return SKIP_BODY;
                }
                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;
    }

}