setusrengineresourcebundletag.java

java 写的一个新闻发布系统

package org.jahia.taglibs.resourcebundle;

import java.util.Locale;
import java.util.ResourceBundle;
import java.security.Principal;

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

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

import org.jahia.data.JahiaData;
import org.jahia.services.pages.JahiaPage;
import org.jahia.exceptions.JahiaException;
import org.jahia.utils.JahiaConsole;
import org.jahia.resourcebundle.JahiaResourceBundle;
import org.jahia.resourcebundle.GrpUsrEngineResourceBundle;
import org.jahia.services.usermanager.*;
import org.jahia.registries.ServicesRegistry;


/**
 * This tag should be called on top of each template JSP file to associate a res bun. with a given grp.
 * It is used to allow template designer to provide a different engine resource bunlde
 * that Jahia will use to give different look to the engines
 * popup that are opened from pages using this template and for a given user.
 *
 * @author Khue Nguyen
 */
public class SetUsrEngineResourceBundleTag extends TagSupport {

	private static final String CLASS_NAME = 
									SetUsrEngineResourceBundleTag.class.getName();
	
    private String resourceBundle = "";
    private String localeLangage  = "";
    private String localeCountry  = "";
    private String localeVariant  = "";	
	private Locale locale = null;
	private String userName = null;
	
    public void setResourceBundle(String resourceBundle) {
    	if ( resourceBundle == null )
    		resourceBundle = "";
        this.resourceBundle = resourceBundle.trim();
    }

    public void setLocaleLangage(String localeLangage) {
    	if ( localeLangage != null )
        	this.localeLangage = localeLangage.trim();
    }

    public void setLocaleCountry(String localeCountry) {
    	if ( localeCountry != null )
        	this.localeCountry = localeCountry.trim();
    }

    public void setLocaleVariant(String localeCountry) {
    	if ( localeVariant != null )
        	this.localeVariant = localeVariant.trim();
    }

    public void setUserName(String userName) {
    	if ( userName != null )
        	this.userName = userName.trim();
    }

    public int doStartTag() {

		
		HttpServletRequest request = (HttpServletRequest)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");
		}
		
		ResourceBundle res = null;
		String resValue = null;
		
		if ( localeLangage.equals("") ){
			locale = jData.params().getLocale();
		} else {
			locale = new Locale(localeLangage,localeCountry,localeVariant);
		}			
		
		res = ResourceBundle.getBundle(resourceBundle,locale);
		
        if (res != null) {
        	try {
                JahiaUser usr = ServicesRegistry.getInstance().getJahiaUserManagerService().lookupUser(jData.params().getSiteID(),this.userName);
                if ( usr == null ){
                    // check if the user is the root admin.
                    usr = ServicesRegistry.getInstance().getJahiaUserManagerService().lookupUser(0,this.userName);
                }
                if ( usr != null ){
				    GrpUsrEngineResourceBundle.getInstance().addResourceBundle( jData.params().getPage(), (Principal)usr, res );
                }
			} catch (Throwable t){
			}
        }

	    return SKIP_BODY;

    }
}