#region Copyright
/*
 * Copyright 2005-2013 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.
 */
#endregion

using System;
using System.Text;
using Seasar.Framework.Aop.Interceptors;

namespace Seasar.Examples.Reference.Aop
{
    public class MeasurementInterceptor : AbstractInterceptor
    {
        public override object Invoke(Framework.Aop.IMethodInvocation invocation)
        {
            long start = 0;
            long end = 0;
            StringBuilder buf = new StringBuilder(100);

            buf.Append(GetComponentDef(invocation).ComponentType.FullName);
            buf.Append("#");
            buf.Append(invocation.Method.Name);
            buf.Append("(");
            object[] args = invocation.Arguments;
            if (args != null && args.Length > 0)
            {
                foreach (object arg in args)
                {
                    buf.Append(arg);
                    buf.Append(", ");
                }
                buf.Length = buf.Length - 2;
            }
            buf.Append(")");
            try
            {
                start = DateTime.Now.Ticks;
                object ret = invocation.Proceed();
                end = DateTime.Now.Ticks;
                buf.Append(" : ");
                return ret;
            }
            catch (Exception ex)
            {
                buf.Append(" Exception:");
                buf.Append(ex);
                throw;
            }
            finally
            {
                Console.WriteLine(buf.ToString() + ((end - start) / 10000));
            }
        }
    }
}