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 }