001    // Copyright 2010 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.tapestry5.internal.services;
016    
017    import java.util.Map;
018    
019    import org.apache.tapestry5.Translator;
020    import org.apache.tapestry5.services.TranslatorAlternatesSource;
021    
022    @SuppressWarnings("unchecked")
023    public class TranslatorAlternatesSourceImpl implements TranslatorAlternatesSource
024    {
025        private final Map<String, Translator> configuration;
026    
027        public TranslatorAlternatesSourceImpl(Map<String, Translator> configuration)
028        {
029            this.configuration = configuration;
030    
031            for (Map.Entry<String, Translator> me : configuration.entrySet())
032            {
033                if (!me.getKey().equalsIgnoreCase(me.getValue().getName()))
034                    throw new RuntimeException(String.format(
035                            "Contribution key '%s' does not match '%s' (the name of the corresponding Translator).", me
036                                    .getKey(), me.getValue().getName()));
037            }
038        }
039    
040        public Map<String, Translator> getTranslatorAlternates()
041        {
042            return configuration;
043        }
044    
045    }