#region License

/*
 * Copyright © 2002-2005 the original author or authors.
 *
 * 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.IO;

namespace Spring
{
    public delegate void StreamHelperCallback(out Stream stream);

    /// <summary>
    /// Helper class for template style Stream usage.
    /// </summary>
    /// <author>Rick Evans</author>
    public class StreamHelperDecorator
    {
        private StreamHelperCallback callback;

        public StreamHelperDecorator(StreamHelperCallback callback)
        {
            this.callback = callback;
        }

        public void Run()
        {
            Stream stream = null;
            try
            {
                this.callback(out stream);
            }
            finally
            {
                if (stream != null)
                {
                    try
                    {
                        stream.Close();
                    }
                    catch
                    {
                    }
                }
            }
        }
    }
}