duokan.aop.ServiceMonitor.java Source code

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Here is the source code for duokan.aop.ServiceMonitor.java

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/*
 * Copyright 2012-2013 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 duokan.aop;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Aspect
public class ServiceMonitor {

    private static final Logger logger = LoggerFactory.getLogger(ServiceMonitor.class);

    @AfterReturning("execution(* duokan.service.*Service.*(..))")
    public void logServiceAccess(JoinPoint joinPoint) {
        logger.error("Completed: " + joinPoint);
    }

    @Around("execution(* duokan.service.*Service.*(..))")
    public Object around(ProceedingJoinPoint point) {
        long start = System.currentTimeMillis();
        Object result = null;
        try {
            result = point.proceed();
        } catch (Throwable throwable) {
            throwable.printStackTrace();
        }
        /** http://www.yegor256.com/2014/06/01/aop-aspectj-java-method-logging.html   */
        logger.error("MethodName:{};;Arguments:{};;Result:{};;Calculated in [***[{}]***][msec]s",
                MethodSignature.class.cast(point.getSignature()).getMethod().getName(), point.getArgs(), result,
                System.currentTimeMillis() - start);
        return result;

    }

}