org.anyframe.oden.admin.aspect.LoggingAspect.java Source code

Introduction

Here is the source code for org.anyframe.oden.admin.aspect.LoggingAspect.java

Source

/*
 * Copyright 2002-2012 the original author or authors.
 *
 * 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.anyframe.oden.admin.aspect;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.stereotype.Service;

/**
 * This is LoggingAspect Class
 * 
 * @author Junghwan Hong
 */
@Aspect
@Service
public class LoggingAspect {

    @Before("execution(* org.anyframe.oden..*Impl.*(..))")
    public void beforeLogging(JoinPoint thisJoinPoint) {
        Class<? extends Object> clazz = thisJoinPoint.getTarget().getClass();
        String methodName = thisJoinPoint.getSignature().getName();
        Object[] arguments = thisJoinPoint.getArgs();

        StringBuffer argBuf = new StringBuffer();
        StringBuffer argValueBuf = new StringBuffer();
        int i = 0;
        for (Object argument : arguments) {
            String argClassName = argument.getClass().getSimpleName();
            if (i > 0) {
                argBuf.append(", ");
            }
            String arg = argClassName + " arg" + ++i;
            argBuf.append(arg);
            argValueBuf.append(".arg" + i + " : " + argument.toString() + "\n");
        }

        if (i == 0) {
            argValueBuf.append("No arguments\n");
        }

        StringBuffer messageBuf = new StringBuffer();
        messageBuf.append("before executing " + methodName + "(" + argBuf.toString() + ") method");
        messageBuf.append("\n-------------------------------------------------------------------------------\n");
        messageBuf.append(argValueBuf.toString());
        messageBuf.append("-------------------------------------------------------------------------------");

        Log logger = LogFactory.getLog(clazz);
        if (logger.isDebugEnabled()) {
            logger.debug(messageBuf.toString());
        }
    }
}