001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.hivemind.impl;
016    
017    import java.util.Locale;
018    
019    import org.apache.hivemind.internal.MessageFinder;
020    import org.apache.hivemind.service.ThreadLocale;
021    import org.apache.hivemind.util.Defense;
022    
023    /**
024     * An implementation of {@link org.apache.hivemind.Messages} that obtains messages from a
025     * {@link org.apache.hivemind.internal.MessageFinder}, in a locale provided by the
026     * {@link org.apache.hivemind.service.ThreadLocale} service.
027     * 
028     * @author Howard M. Lewis Ship
029     * @since 1.1
030     */
031    public class ModuleMessages extends AbstractMessages
032    {
033        private MessageFinder _messageFinder;
034    
035        private ThreadLocale _threadLocale;
036    
037        public ModuleMessages(MessageFinder messageFinder, ThreadLocale threadLocale)
038        {
039            Defense.notNull(messageFinder, "messageFinder");
040            Defense.notNull(threadLocale, "threadLocale");
041    
042            _messageFinder = messageFinder;
043            _threadLocale = threadLocale;
044        }
045    
046        protected Locale getLocale()
047        {
048            return _threadLocale.getLocale();
049        }
050    
051        protected String findMessage(String key)
052        {
053            return _messageFinder.getMessage(key, getLocale());
054        }
055    
056    }