001    // Copyright 2006, 2007, 2008, 2009, 2010, 2011 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;
016    
017    import org.apache.tapestry5.ioc.AnnotationProvider;
018    import org.apache.tapestry5.ioc.ObjectLocator;
019    
020    import java.lang.annotation.Annotation;
021    
022    /**
023     * Base service locator class used when only the module is known (i.e., when instantiating a module
024     * class).
025     */
026    public class ObjectLocatorImpl implements ObjectLocator
027    {
028        private final InternalRegistry registry;
029    
030        private final Module module;
031    
032        public ObjectLocatorImpl(InternalRegistry registry, Module module)
033        {
034            this.registry = registry;
035            this.module = module;
036        }
037    
038        public <T> T getService(String serviceId, Class<T> serviceInterface)
039        {
040            String expandedServiceId = registry.expandSymbols(serviceId);
041    
042            return registry.getService(expandedServiceId, serviceInterface);
043        }
044    
045        public <T> T getService(Class<T> serviceInterface)
046        {
047            return registry.getService(serviceInterface);
048        }
049    
050        public <T> T getService(Class<T> serviceInterface, Class<? extends Annotation>... markerTypes)
051        {
052            return registry.getService(serviceInterface, markerTypes);
053        }
054    
055        public <T> T getObject(Class<T> objectType, AnnotationProvider annotationProvider)
056        {
057            return registry.getObject(objectType, annotationProvider, this, module);
058        }
059    
060        public <T> T autobuild(Class<T> clazz)
061        {
062            return registry.autobuild(clazz);
063        }
064    
065        public <T> T autobuild(String description, Class<T> clazz)
066        {
067            return registry.autobuild(description, clazz);
068        }
069    
070        public <T> T proxy(Class<T> interfaceClass, Class<? extends T> implementationClass)
071        {
072            return registry.proxy(interfaceClass, implementationClass, this);
073        }
074    }