/*
 * File    : MultiBundle.java
 * Created : 28-jan-2002 11:42
 * By      : fbusquets
 *
 * JClic - Authoring and playing system for educational activities
 *
 * Copyright (C) 2000 - 2005 Francesc Busquets & Departament
 * d'Educacio de la Generalitat de Catalunya
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details (see the LICENSE file).
 */

package edu.xtec.util;
import java.util.ResourceBundle;
import java.util.Locale;

/**
 *
 * @author Francesc Busquets (fbusquets@xtec.net)
 * @version 1.0
 */
public class MultiBundle {
    
    java.util.ArrayList bundles;
    
    public MultiBundle(ResourceBundle mainBundle, String resource, Locale l){
        bundles=new java.util.ArrayList(1);
        bundles.add(new ResourceBundleEx(mainBundle, resource, l));        
    }
    
    public void addBundle(ResourceBundle bundle, String resource, Locale l){
        for(int i=0; i<bundles.size(); i++)
            if(((ResourceBundleEx)bundles.get(i)).resource.equals(resource))
                return;
        bundles.add(new ResourceBundleEx(bundle, resource, l));
    }
    
    public void setLocale(Locale l){
        for(int i=0; i<bundles.size(); i++)
            ((ResourceBundleEx)bundles.get(i)).setLocale(l);
    }
    
    public String getString(String key){
        String result=key;
        for(int i=0; i<bundles.size(); i++){
            try{
                result=((ResourceBundleEx)bundles.get(i)).bundle.getString(key);
                return result;
            } catch(Exception ex){
                // do nothing
            }
        }
        
        System.err.println("Unable to find resource message: ["+result+"]");
        return result;
    }
    
    class ResourceBundleEx{
        ResourceBundle bundle=null;
        String resource=null;
        Locale locale=null;
        
        ResourceBundleEx(ResourceBundle bundle, String resource, Locale locale){
            this.resource=resource;
            this.locale=locale;
            this.bundle=bundle;
        }
        
        void setLocale(Locale l){
            if(!locale.equals(l)){
                try{
                    bundle=ResourceManager.getBundle(resource, l);
                    locale=l;
                } catch(Exception ex){
                    System.err.println("unable to build messagesBundle: "+resource);
                    System.err.println(ex);
                }
            }
        }
    }
}