net.kamhon.ieagle.aop.PerformanceAroundAdvice.java Source code

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Here is the source code for net.kamhon.ieagle.aop.PerformanceAroundAdvice.java

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/*
 * Copyright 2012 Eng Kam Hon (kamhon@gmail.com)
 * 
 * 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 net.kamhon.ieagle.aop;

import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class PerformanceAroundAdvice implements MethodInterceptor {
    private static final Log log = LogFactory.getLog(LoggerThrowsAdvice.class);

    public PerformanceAroundAdvice() {
        log.debug("Creating..PerformanceAroundAdvice()");
    }

    public Object invoke(MethodInvocation arg0) throws Throwable {
        long start = System.nanoTime();
        Object obj = arg0.proceed();
        long end = System.nanoTime();
        long execution = end - start;
        log.info("Performance. Method = " + arg0.getMethod() + "\n  .Taken Time = " + execution + "(ns)  "
                + execution / 100000 + "(ms)");
        return obj;
    }

}