001    //  Copyright 2008 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.util;
016    
017    import java.lang.reflect.Type;
018    import java.util.Map;
019    
020    /**
021     * InjectionDefaultProvider that operates using a Map from type to value.
022     */
023    public class MapInjectionResources implements InjectionResources
024    {
025        private final Map<Class, Object> map;
026    
027        public MapInjectionResources(Map<Class, Object> map) {this.map = map;}
028    
029        @SuppressWarnings({"unchecked"})
030        public <T> T findResource(Class<T> type, Type genericType)
031        {
032            return (T) map.get(type);
033        }
034    }