    001    // Copyright 2009, 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.ioc.internal.services;
    016
    017    import java.util.Map;
    018
    019    import org.apache.tapestry5.ioc.AnnotationProvider;
    020    import org.apache.tapestry5.ioc.ObjectLocator;
    021    import org.apache.tapestry5.ioc.ObjectProvider;
    022    import org.apache.tapestry5.ioc.annotations.PreventServiceDecoration;
    023    import org.apache.tapestry5.ioc.services.ServiceOverride;
    024
    025    @PreventServiceDecoration
    026    public class ServiceOverrideImpl implements ServiceOverride
    027    {
    028        private final Map<Class, Object> configuration;
    029
    030        public ServiceOverrideImpl(Map<Class, Object> configuration)
    031        {
    032            this.configuration = configuration;
    033        }
    034
    035        public ObjectProvider getServiceOverrideProvider()
    036        {
    037            return new ObjectProvider()
    038            {
    039                public <T> T provide(Class<T> objectType, AnnotationProvider annotationProvider, ObjectLocator locator)
    040                {
    041                    return objectType.cast(configuration.get(objectType));
    042                }
    043            };
    044        }
    045    }