001    // Copyright 2006, 2007, 2008, 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 org.apache.tapestry5.ioc.annotations.PreventServiceDecoration;
018    import org.apache.tapestry5.ioc.services.AspectDecorator;
019    import org.apache.tapestry5.ioc.services.AspectInterceptorBuilder;
020    import org.apache.tapestry5.ioc.services.LoggingAdvisor;
021    import org.apache.tapestry5.ioc.services.LoggingDecorator;
022    import org.slf4j.Logger;
023    
024    @PreventServiceDecoration
025    public class LoggingDecoratorImpl implements LoggingDecorator
026    {
027        private final AspectDecorator aspectDecorator;
028    
029        private final LoggingAdvisor advisor;
030    
031        public LoggingDecoratorImpl(AspectDecorator aspectDecorator, LoggingAdvisor advisor)
032        {
033            this.aspectDecorator = aspectDecorator;
034            this.advisor = advisor;
035        }
036    
037        public <T> T build(Class<T> serviceInterface, T delegate, String serviceId, final Logger logger)
038        {
039            AspectInterceptorBuilder<T> builder = aspectDecorator.createBuilder(serviceInterface, delegate, String.format(
040                    "<Logging interceptor for %s(%s)>", serviceId, serviceInterface.getName()));
041            advisor.addLoggingAdvice(logger, builder);
042    
043            return builder.build();
044        }
045    
046    }