updatecontainerbuttontag.java

java 写的一个新闻发布系统

package org.jahia.taglibs.button;

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.taglibs.util.Utils;
import org.jahia.utils.JahiaConsole;

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

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


/**
 * Class UpdateContainerButtonTag : returns the full link ("<a href...>...</a>")
 *                                  allowing to open the update container popup window
 *
 * @author  Jerome Tamiotti
 */
public class UpdateContainerButtonTag extends AbstractButtonTag {

    private	JahiaContainer container = null;

    private String title = "Update";
    private String style = "";

    public void setTitle(String title) {
        this.title = title;
    }

    public void setStyle(String style) {
        this.style = style;
    }

    public String getTitle() {
        return this.title;
    }

    public String getStyle() {
        return this.style;
    }

    public boolean testRights (JahiaData jData) {

        ContainerTag parent = (ContainerTag) findAncestorWithClass(this, ContainerTag.class);
        if (parent != null) {
            if (parent.isDeclarationPass()) {
                return false;
            }
            this.container = parent.getContainer();
        }
        if (this.container != null) {
            JahiaUser user = jData.params().getUser();
            try {
                return ( this.container.checkWriteAccess(user)
                         && jData.gui().isEditMode() );
            } catch (JahiaException je) {
                JahiaConsole.println("UpdateContainerButtonTag: testRights ", je.toString());
            }
        }
        return false;
    }

    public String getLauncher(JahiaData jData) throws JahiaException {
        // returns the URL that launches the container list popup window
        return "javascript:" + jData.gui().html().drawUpdateContainerLauncher(this.container);
    }

}