Java tutorial
/* * Copyright 2002-2011 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 com.apress.prospringintegration.corespring.aop; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.aspectj.lang.ProceedingJoinPoint; import org.aspectj.lang.annotation.Around; import org.aspectj.lang.annotation.Aspect; import org.springframework.core.Ordered; import org.springframework.stereotype.Component; import java.util.Calendar; @Aspect @Component public class PurchaseOrderProcessorStatsAspect implements Ordered { public int getOrder() { return 0; } private Log log = LogFactory.getLog(this.getClass()); @Around("execution(* com.apress.prospringintegration.corespring.aop.PurchaseOrderProcessor.processPurchaseOrder(..))") public Object aroundStatsAdvice(ProceedingJoinPoint joinPoint) throws Throwable { String methodName = joinPoint.getSignature().getName(); String classPackage = joinPoint.getSignature().getClass().getPackage().getName(); String fullCall = classPackage + "." + methodName; try { long tStart = Calendar.getInstance().getTimeInMillis(); Object result = joinPoint.proceed(); long tEnd = Calendar.getInstance().getTimeInMillis(); log.info(" Method: " + fullCall + " took " + (tEnd - tStart) + " miliseconds"); return result; } catch (IllegalArgumentException e) { log.error(e); throw e; } } }