    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    }