com.samples.platform.util.ServiceExecutionLogAspect.java Source code

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Here is the source code for com.samples.platform.util.ServiceExecutionLogAspect.java

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/*******************************************************************************
 * Copyright (c) 2013 - 2016 QPark Consulting  S.a r.l.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0.
 * The Eclipse Public License is available at
 * http://www.eclipse.org/legal/epl-v10.html.
 ******************************************************************************/
package com.samples.platform.util;

import java.util.concurrent.TimeUnit;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.annotation.Order;

/**
 * Logs durations of the service execution.
 *
 * @author bhausen
 */
@Aspect
@Order(10)
public class ServiceExecutionLogAspect {
    /**
     * @param millis
     * @return the duration in 000:00:00.000 format.
     */
    static String getDuration(final long millis) {
        String hmss = String.format("%03d:%02d:%02d.%03d", TimeUnit.MILLISECONDS.toHours(millis),
                TimeUnit.MILLISECONDS.toMinutes(millis)
                        - TimeUnit.HOURS.toMinutes(TimeUnit.MILLISECONDS.toHours(millis)),
                TimeUnit.MILLISECONDS.toSeconds(millis)
                        - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millis)),
                TimeUnit.MILLISECONDS.toMillis(millis)
                        - TimeUnit.SECONDS.toMillis(TimeUnit.MILLISECONDS.toSeconds(millis)));
        return hmss;
    }

    /** The {@link org.slf4j.Logger}. */
    private final Logger logger = LoggerFactory.getLogger(ServiceExecutionLogAspect.class);

    /**
     * Get the name of the signature of the {@link ProceedingJoinPoint}.
     *
     * @param joinPoint
     *            the {@link ProceedingJoinPoint}.
     * @return the name of the signature.
     */
    private String getSignatureName(final ProceedingJoinPoint joinPoint) {
        Signature sig = joinPoint.getSignature();
        return new StringBuffer(64).append(sig.getDeclaringTypeName()).append("#").append(sig.getName()).toString();
    }

    /**
     * Aspect around the execution of the services.
     *
     * @param joinPoint
     *            The {@link ProceedingJoinPoint}.
     * @return the result of the service execution.
     * @throws Throwable
     */
    @Around(value = "execution(* com.qpark.eip.service.*.*(..)) || execution(* com.samples.platform.service.*.*(..)) ")
    public Object invokeAspect(final ProceedingJoinPoint joinPoint) throws Throwable {
        long start = System.currentTimeMillis();
        String signatureName = this.getSignatureName(joinPoint);
        this.logger.debug("+{}", signatureName);
        Object result = null;
        try {
            result = joinPoint.proceed();
        } catch (Throwable t) {
            this.logger.debug(" {} failed with {}: {}", signatureName, t.getClass().getSimpleName(),
                    t.getMessage());
            throw t;
        } finally {
            this.logger.debug("-{} {}", signatureName, getDuration(System.currentTimeMillis() - start));
        }
        return result;
    }
}