| // Copyright 2006 The Apache Software Foundation |
| // |
| // 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.apache.tapestry5.ioc.internal.util; |
| |
| import org.apache.tapestry5.ioc.Messages; |
| import org.apache.tapestry5.ioc.util.AbstractMessages; |
| |
| import java.util.Enumeration; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.ResourceBundle; |
| |
| /** |
| * Implementation of {@link org.apache.tapestry5.ioc.Messages} based around a {@link java.util.ResourceBundle}. |
| */ |
| public class MessagesImpl extends AbstractMessages |
| { |
| private final Map<String, String> properties = CollectionFactory.newCaseInsensitiveMap(); |
| |
| /** |
| * Finds the messages for a given Messages utility class. Strings the trailing "Messages" and replaces it with |
| * "Strings" to form the base path. Loads the bundle using the default locale, and the class' class loader. |
| * |
| * @param forClass |
| * @return Messages for the class |
| */ |
| public static Messages forClass(Class forClass) |
| { |
| String className = forClass.getName(); |
| String stringsClassName = className.replaceAll("Messages$", "Strings"); |
| |
| Locale locale = Locale.getDefault(); |
| |
| ResourceBundle bundle = ResourceBundle.getBundle(stringsClassName, locale, forClass.getClassLoader()); |
| |
| return new MessagesImpl(locale, bundle); |
| } |
| |
| public MessagesImpl(Locale locale, ResourceBundle bundle) |
| { |
| super(locale); |
| |
| // Our best (threadsafe) chance to determine all the available keys. |
| Enumeration<String> e = bundle.getKeys(); |
| while (e.hasMoreElements()) |
| { |
| String key = e.nextElement(); |
| String value = bundle.getString(key); |
| |
| properties.put(key, value); |
| } |
| } |
| |
| @Override |
| protected String valueForKey(String key) |
| { |
| return properties.get(key); |
| } |
| |
| } |