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 }