/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,

  * either express or implied. See the License for the specific language

  * governing permissions and limitations under the License.

  */

 package org.seasar.teeda.core.util;

 import java.util.Collection;

 import java.util.Locale;

 import java.util.Map;

 import java.util.ResourceBundle;

 import java.util.Set;

 import javax.faces.context.FacesContext;

 import org.seasar.framework.util.StringUtil;

 /**

  * @author manhole

  */

 public class MessageBundle implements Map {

     private final String baseName;

     public MessageBundle(String baseName) {

         if (baseName == null) {

             throw new NullPointerException("baseName");

         }

         if (StringUtil.isBlank(baseName)) {

             throw new IllegalArgumentException("baseName [" + baseName + "]");

         }

         this.baseName = baseName;

     }

     ResourceBundle getResourceBundle() {

         return ResourceBundle

                 .getBundle(baseName, getLocale(), getClassLoader());

     }

     private Locale getLocale() {

         final FacesContext context = FacesContext.getCurrentInstance();

         final Locale locale = context.getViewRoot().getLocale();

         if (locale != null) {

             return locale;

         }

         return context.getApplication().getDefaultLocale();

     }

     private ClassLoader getClassLoader() {

         return Thread.currentThread().getContextClassLoader();

     }

     Map getResourceBundleMap() {

         return new ResourceBundleMap(getResourceBundle());

     }

     public void clear() {

         getResourceBundleMap().clear();

     }

     public boolean containsKey(Object key) {

         return getResourceBundleMap().containsKey(key);

     }

     public boolean containsValue(Object value) {

         return getResourceBundleMap().containsValue(value);

     }

     public Set entrySet() {

         return getResourceBundleMap().entrySet();

     }

     public Object get(Object key) {

         return getResourceBundleMap().get(key);

     }

     public boolean isEmpty() {

         return getResourceBundleMap().isEmpty();

     }

     public Set keySet() {

         return getResourceBundleMap().keySet();

     }

     public Object put(Object key, Object value) {

         return getResourceBundleMap().put(key, value);

     }

     public void putAll(Map t) {

         getResourceBundleMap().putAll(t);

     }

     public Object remove(Object key) {

         return getResourceBundleMap().remove(key);

     }

     public int size() {

         return getResourceBundleMap().size();

     }

     public Collection values() {

         return getResourceBundleMap().values();

     }

 }