/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * 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 org.seasar.teeda.core.interceptor;

 import java.text.SimpleDateFormat;

 import java.util.Date;

 import java.util.Locale;

 import org.aopalliance.intercept.MethodInvocation;

 import org.seasar.framework.aop.interceptors.AbstractInterceptor;

 import org.seasar.framework.log.Logger;

 /**

  * @author shot

  */

 public class MeasurementInterceptor extends AbstractInterceptor {

     private static final long serialVersionUID = 1L;

     private static final Logger logger = Logger

             .getLogger(MeasurementInterceptor.class);

     private static final SimpleDateFormat formatter = new SimpleDateFormat(

             "yyyy/MM/dd hh:mm:ss SSS zzz", Locale.getDefault());

     public Object invoke(MethodInvocation invocation) throws Throwable {

         long start = System.currentTimeMillis();

         String startDate = formatter.format(new Date());

         final Class clazz = getTargetClass(invocation);

         logger.debug("[measurement] start date = " + startDate + "("

                 + clazz.getName() + ")");

         try {

             return invocation.proceed();

         } finally {

             logger.debug("[measurement] perform ms:"

                     + new Long(System.currentTimeMillis() - start));

             String endDate = formatter.format(new Date());

             logger.debug("[measurement] end date = " + endDate + "("

                     + clazz.getName() + ")");

         }

     }

 }