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.tapestry.services.impl;
016    
017    import org.apache.hivemind.Location;
018    import org.apache.hivemind.internal.Module;
019    import org.apache.hivemind.service.ObjectProvider;
020    import org.apache.tapestry.services.ServiceMap;
021    
022    /**
023     * Provides the implementation of the "engine-service:" prefix, were the locator is simply the name
024     * of an engine service.
025     * 
026     * @author Howard M. Lewis Ship
027     * @since 4.0
028     */
029    public class EngineServiceObjectProvider implements ObjectProvider
030    {
031        private ServiceMap _serviceMap;
032    
033        public void setServiceMap(ServiceMap serviceMap)
034        {
035            _serviceMap = serviceMap;
036        }
037    
038        public Object provideObject(Module contributingModule, Class propertyType, String locator,
039                Location location)
040        {
041            return _serviceMap.getService(locator);
042        }
043    }