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/*
 * This file is part of Log4Jdbc.
 *
 * Log4Jdbc is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Log4Jdbc is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Log4Jdbc.  If not, see .
 *
 */
package fr.ms.log4jdbc.invocationhandler;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

/**
 * 
 * @see Marco4J
 * 
 * 
 * @author Marco Semiao
 * 
 */
public class TimeInvocationHandler implements InvocationHandler {

  private final Object implementation;

  public TimeInvocationHandler(final Object implementation) {
    this.implementation = implementation;
  }

  public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable {
    final TimeInvocation message = new TimeInvocation();
    try {
      final Object invoke = method.invoke(implementation, args);
      message.setInvoke(invoke);
    } catch (final InvocationTargetException s) {
      final Throwable targetException = s.getTargetException();
      if (targetException == null) {
        throw s;
      }
      message.setTargetException(targetException);
    }

    message.calculExecTime(System.currentTimeMillis());

    return message;
  }
}