001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.commons.monitoring.aspectj; 018 019 import org.apache.commons.monitoring.aop.AbstractPerformanceInterceptor; 020 import org.aspectj.lang.ProceedingJoinPoint; 021 import org.aspectj.lang.Signature; 022 import org.aspectj.lang.annotation.Around; 023 import org.aspectj.lang.annotation.Aspect; 024 import org.aspectj.lang.annotation.Pointcut; 025 026 import java.lang.reflect.Method; 027 028 @Aspect 029 public abstract class CommonsMonitoringAspect extends AbstractPerformanceInterceptor<ProceedingJoinPoint> { 030 @Pointcut 031 protected abstract void pointcut(); 032 033 @Around("pointcut()") 034 public Object monitor(final ProceedingJoinPoint pjp) throws Throwable { 035 return doInvoke(pjp); 036 } 037 038 @Override 039 protected Object proceed(final ProceedingJoinPoint invocation) throws Throwable { 040 return invocation.proceed(); 041 } 042 043 @Override 044 protected String getCounterName(final ProceedingJoinPoint invocation) { 045 final String monitorName = getCounterName(invocation.getTarget(), findMethod(invocation.getSignature())); 046 if (monitorName != null) { 047 return monitorName; 048 } 049 return invocation.getSignature().toLongString(); 050 } 051 052 private static Method findMethod(final Signature signature) { 053 if ("org.aspectj.runtime.reflect.MethodSignatureImpl".equals(signature.getClass().getName())) { 054 try { 055 final Method mtd = signature.getClass().getMethod("getMethod"); 056 if (!mtd.isAccessible()) { 057 mtd.setAccessible(true); 058 } 059 return Method.class.cast(mtd.invoke(signature)); 060 } catch (final Exception e) { 061 // no-op 062 } 063 } 064 return null; 065 } 066 }