tapestry-ioc/src/main/java/org/apache/tapestry5/ioc/internal/services/LoggingDecoratorImpl.java

// Copyright 2006, 2007, 2008 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package org.apache.tapestry5.ioc.internal.services;

import org.apache.tapestry5.ioc.MethodAdvice;
import org.apache.tapestry5.ioc.services.AspectDecorator;
import org.apache.tapestry5.ioc.services.ExceptionTracker;
import org.apache.tapestry5.ioc.services.LoggingDecorator;
import org.slf4j.Logger;

public class LoggingDecoratorImpl implements LoggingDecorator
{
    private final AspectDecorator aspectDecorator;

    private final ExceptionTracker exceptionTracker;

    public LoggingDecoratorImpl(AspectDecorator aspectDecorator, ExceptionTracker exceptionTracker)
    {
        this.aspectDecorator = aspectDecorator;
        this.exceptionTracker = exceptionTracker;
    }

    public <T> T build(Class<T> serviceInterface, T delegate, String serviceId, final Logger logger)
    {
        MethodAdvice advice = new LoggingAdvice(logger, exceptionTracker);

        return aspectDecorator.build(serviceInterface, delegate, advice,
                                     String.format("<Logging interceptor for %s(%s)>", serviceId,
                                                   serviceInterface.getName()));
    }

}