001/* 002 * Copyright 2002-2013 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.aop.aspectj; 018 019import org.apache.commons.logging.Log; 020import org.apache.commons.logging.LogFactory; 021import org.aspectj.bridge.AbortException; 022import org.aspectj.bridge.IMessage; 023import org.aspectj.bridge.IMessage.Kind; 024import org.aspectj.bridge.IMessageHandler; 025 026/** 027 * Implementation of AspectJ's {@link IMessageHandler} interface that 028 * routes AspectJ weaving messages through the same logging system as the 029 * regular Spring messages. 030 * 031 * <p>Pass the option... 032 * 033 * <p><code class="code">-XmessageHandlerClass:org.springframework.aop.aspectj.AspectJWeaverMessageHandler</code> 034 * 035 * <p>to the weaver; for example, specifying the following in a 036 * "{@code META-INF/aop.xml} file: 037 * 038 * <p><code class="code"><weaver options="..."/></code> 039 * 040 * @author Adrian Colyer 041 * @author Juergen Hoeller 042 * @since 2.0 043 */ 044public class AspectJWeaverMessageHandler implements IMessageHandler { 045 046 private static final String AJ_ID = "[AspectJ] "; 047 048 private static final Log logger = LogFactory.getLog("AspectJ Weaver"); 049 050 051 @Override 052 public boolean handleMessage(IMessage message) throws AbortException { 053 Kind messageKind = message.getKind(); 054 if (messageKind == IMessage.DEBUG) { 055 if (logger.isDebugEnabled()) { 056 logger.debug(makeMessageFor(message)); 057 return true; 058 } 059 } 060 else if (messageKind == IMessage.INFO || messageKind == IMessage.WEAVEINFO) { 061 if (logger.isInfoEnabled()) { 062 logger.info(makeMessageFor(message)); 063 return true; 064 } 065 } 066 else if (messageKind == IMessage.WARNING) { 067 if (logger.isWarnEnabled()) { 068 logger.warn(makeMessageFor(message)); 069 return true; 070 } 071 } 072 else if (messageKind == IMessage.ERROR) { 073 if (logger.isErrorEnabled()) { 074 logger.error(makeMessageFor(message)); 075 return true; 076 } 077 } 078 else if (messageKind == IMessage.ABORT) { 079 if (logger.isFatalEnabled()) { 080 logger.fatal(makeMessageFor(message)); 081 return true; 082 } 083 } 084 return false; 085 } 086 087 private String makeMessageFor(IMessage aMessage) { 088 return AJ_ID + aMessage.getMessage(); 089 } 090 091 @Override 092 public boolean isIgnoring(Kind messageKind) { 093 // We want to see everything, and allow configuration of log levels dynamically. 094 return false; 095 } 096 097 @Override 098 public void dontIgnore(Kind messageKind) { 099 // We weren't ignoring anything anyway... 100 } 101 102 @Override 103 public void ignore(Kind kind) { 104 // We weren't ignoring anything anyway... 105 } 106 107}