001    // Copyright 2006 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.ioc.internal.services;
016    
017    import org.apache.tapestry5.ioc.services.SymbolProvider;
018    
019    import java.util.Map;
020    
021    /**
022     * Provides symbol values from a Map of symbol names and symbol values (typically provided by a Tapestry IOC service
023     * configuration).
024     */
025    public class MapSymbolProvider implements SymbolProvider
026    {
027        private final Map<String, String> configuration;
028    
029        public MapSymbolProvider(final Map<String, String> configuration)
030        {
031            this.configuration = configuration;
032        }
033    
034        public String valueForSymbol(String symbolName)
035        {
036            return configuration.get(symbolName);
037        }
038    
039    }