// crudwork
// Copyright 2004 by Steve T. Pham (http://www.crudwork.com)
//
// This program 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.
//
// This program 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 This program. If not, see <http://www.gnu.org/licenses/>.
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.CodeDom.Compiler;
using System.Text.RegularExpressions;
namespace crudwork.Utilities
{
/// <summary>
/// File Utility
/// </summary>
public static class FileUtil
{
static int unique = 0;
#region CreateTempFile
/// <summary>
/// Generate a unique temp filename with the extension specified.
/// </summary>
/// <param name="extension"></param>
/// <returns></returns>
public static string GenerateUniqueTempFilename(string extension)
{
string fstem = Path.GetRandomFileName();
return String.Format("{0}@AutoGen_{1}_{2}.{3}", Path.GetTempPath(), fstem, ++unique, extension);
}
/// <summary>
/// Write a string List array to a unique temporarily filename with the specify extension.
/// </summary>
/// <param name="extension"></param>
/// <param name="list"></param>
/// <returns></returns>
public static string CreateTempFile(string extension, params string[] list)
{
try
{
TempFileCollection tempFiles = new TempFileCollection();
string filename = GenerateUniqueTempFilename(extension);
tempFiles.AddFile(filename, false);
WriteFile(filename, list);
return filename;
}
catch (Exception ex)
{
throw;
}
}
#endregion
/// <summary>
/// Write a byte array to filename
/// </summary>
/// <param name="filename"></param>
/// <param name="content"></param>
public static void WriteFile(string filename, byte[] content)
{
int bufSize = 1024;
try
{
using (FileStream fs = new FileStream(filename, FileMode.Create, FileAccess.Write, FileShare.Read, bufSize))
using (BinaryWriter w = new BinaryWriter(fs))
{
for (int i = 0; i < content.Length; i++)
{
w.Write(content[i]);
}
w.Flush();
w.Close();
}
}
catch (Exception ex)
{
throw;
}
}
/// <summary>
/// Write a string array to a file.
/// </summary>
/// <param name="filename"></param>
/// <param name="content"></param>
public static void WriteFile(string filename, string[] content)
{
try
{
using (StreamWriter w = new StreamWriter(filename, false))
{
for (int i = 0; i < content.Length; i++)
{
w.WriteLine(content[i]);
}
w.Flush();
w.Close();
}
}
catch (Exception ex)
{
throw;
}
}
/// <summary>
/// Write a string to a file.
/// </summary>
/// <param name="filename"></param>
/// <param name="content"></param>
public static void WriteFile(string filename, string content)
{
WriteFile(filename, new string[] { content });
}
}
}
|