//******************************************************************************************************//  FileCompressor.cs - Gbtc////  Copyright © 2012, Grid Protection Alliance.  All Rights Reserved.////  Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See//  the NOTICE file distributed with this work for additional information regarding copyright ownership.//  The GPA licenses this file to you under the MIT License (MIT), 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.opensource.org/licenses/MIT////  Unless agreed to in writing, the subject software distributed under the License is distributed on an//  "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the//  License for the specific language governing permissions and limitations.////  Code Modification History://  ----------------------------------------------------------------------------------------------------//  09/26/2008 - J. Ritchie Carroll//       Generated original version of source code.//  09/14/2009 - Stephen C. Wills//       Added new header and license agreement.//  12/14/2012 - Starlynn Danyelle Gilliam//       Modified Header.////****************************************************************************************************** using System;using System.IO; namespace GSF.IO.Compression{    /// <summary>Performs basic compression and decompression on a file.</summary>    public static class FileCompressor    {        /// <summary>        /// Compress a file using default compression strength (not PKZip compatible...)        /// </summary>        /// <param name="sourceFileName">Source file name.</param>        /// <param name="destinationFileName">Destination file name.</param>        public static void Compress(String sourceFileName, String destinationFileName)        {            Compress(sourceFileName, destinationFileName, CompressionStrength.Standard);        }         /// <summary>        /// Compress a file using specified compression strength (not PKZip compatible...)        /// </summary>        /// <param name="sourceFileName">Source file name.</param>        /// <param name="destinationFileName">Destination file name.</param>        /// <param name="strength">Stength of compression to apply.</param>        public static void Compress(String sourceFileName, String destinationFileName, CompressionStrength strength)        {            Compress(sourceFileName, destinationFileName, strength, null);        }         /// <summary>        /// Compress a file using specified compression strength (not PKZip compatible...)        /// </summary>        /// <param name="sourceFileName">Source file name.</param>        /// <param name="destinationFileName">Destination file name.</param>        /// <param name="strength">Stength of compression to apply.</param>        /// <param name="progressHandler">User function to call with compression progress updates.</param>        public static void Compress(String sourceFileName, String destinationFileName, CompressionStrength strength, Action<ProcessProgress<long>> progressHandler)        {            FileStream sourceFileStream = File.Open(sourceFileName, FileMode.Open, FileAccess.Read, FileShare.Read);            FileStream destFileStream = File.Create(destinationFileName);             sourceFileStream.Compress(destFileStream, strength, progressHandler);             destFileStream.Flush();            destFileStream.Close();            sourceFileStream.Close();        }         /// <summary>        /// Uncompress a file compressed with CompressFile (not PKZip compatible...)        /// </summary>        /// <param name="sourceFileName">Source file name.</param>        /// <param name="destinationFileName">Destination file name.</param>        public static void Decompress(String sourceFileName, String destinationFileName)        {            Decompress(sourceFileName, destinationFileName, null);        }         /// <summary>        /// Uncompress a file compressed with CompressFile given progress event handler (not PKZip compatible...)        /// </summary>        /// <param name="sourceFileName">Source file name.</param>        /// <param name="destinationFileName">Destination file name.</param>        /// <param name="progressHandler">User function to call with decompression progress updates.</param>        public static void Decompress(String sourceFileName, String destinationFileName, Action<ProcessProgress<long>> progressHandler)        {            FileStream sourceFileStream = File.Open(sourceFileName, FileMode.Open, FileAccess.Read, FileShare.Read);            FileStream destFileStream = File.Create(destinationFileName);             sourceFileStream.Decompress(destFileStream, progressHandler);             destFileStream.Flush();            destFileStream.Close();            sourceFileStream.Close();        }    }}