    001    // Copyright 2011 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.plastic.ClassType;
    018    import org.apache.tapestry5.plastic.PlasticClassEvent;
    019    import org.apache.tapestry5.plastic.PlasticClassListener;
    020    import org.slf4j.Logger;
    021    import org.slf4j.Marker;
    022    import org.slf4j.MarkerFactory;
    023
    024    public class PlasticClassListenerLogger implements PlasticClassListener
    025    {
    026        private final Logger logger;
    027
    028        public PlasticClassListenerLogger(Logger logger)
    029        {
    030            this.logger = logger;
    031        }
    032
    033        public void classWillLoad(PlasticClassEvent event)
    034        {
    035            if (logger.isDebugEnabled())
    036            {
    037                Marker marker = MarkerFactory.getMarker(event.getPrimaryClassName());
    038
    039                String extendedClassName = event.getType() == ClassType.PRIMARY ? event.getPrimaryClassName() : String
    040                        .format("%s (%s for %s)", event.getClassName(), event.getType(), event.getPrimaryClassName());
    041
    042                logger.debug(marker,
    043                        String.format("Loading class %s:\n%s", extendedClassName, event.getDissasembledBytecode()));
    044            }
    045        }
    046    }