org.anyframe.iam.admin.common.aspect.LoggingAspect.java Source code

Introduction

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

Source

/*
 * Copyright 2002-2008 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.iam.admin.common.aspect;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.aspectj.lang.JoinPoint;
import org.springframework.aop.framework.Advised;

/**
 * This LoggingAspect class contains beforeLogging method for logging through
 * aspect service
 * @author Taeho Kim
 */
public class LoggingAspect {

    /**
     * catch and logging through aspect service ( setting :
     * [src/main/resources/spring/common/context-aspect.xml] )
     * 
     * @param thisJoinPoint aspect service JoinPoint
     */
    public void beforeLogging(JoinPoint thisJoinPoint) {

        Object target = thisJoinPoint.getTarget();

        while (target instanceof Advised) {
            try {
                target = ((Advised) target).getTargetSource().getTarget();
            } catch (Exception e) {
                LogFactory.getLog(this.getClass()).error("Fail to get target object from JointPoint.", e);
            }
        }

        if (target == null)
            return;

        String className = target.getClass().getSimpleName();
        String opName = (thisJoinPoint.getSignature().getName());

        StringBuffer buf = new StringBuffer();
        buf.append("\n** Logging Aspect : executed " + opName + "() in " + className + " Class.");
        Object[] arguments = thisJoinPoint.getArgs();
        if (arguments.length > 0) {
            buf.append("\n************* " + arguments[0].getClass().getName() + " *************\n");
            buf.append(arguments[0].toString());
            buf.append("\n*********************************************************\n");
        } else
            buf.append("\nNo arguments\n");

        Log logger = LogFactory.getLog(target.getClass());
        if (logger.isDebugEnabled())
            logger.debug(buf.toString());
    }
}