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//
// System.Web.Compilation.AppCodeCompiler: A compiler for the App_Code folder
//
// Authors:
// Marek Habersack (grendello@gmail.com)
//
// (C) 2006 Marek Habersack
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Globalization;
using System.IO;
namespace System.Web.Util
{
internal sealed class FileUtils
{
internal delegate object CreateTempFile (string path);
static Random rnd = new Random ();
internal static object CreateTemporaryFile (string tempdir, CreateTempFile createFile)
{
return CreateTemporaryFile (tempdir, null, null, createFile);
}
internal static object CreateTemporaryFile (string tempdir, string extension, CreateTempFile createFile)
{
return CreateTemporaryFile (tempdir, null, extension, createFile);
}
internal static object CreateTemporaryFile (string tempdir, string prefix, string extension, CreateTempFile createFile)
{
if (tempdir == null || tempdir.Length == 0)
return null;
if (createFile == null)
return null;
string path = null;
bool done = false;
object ret = null;
int num;
do {
lock (rnd) {
num = rnd.Next ();
}
path = Path.Combine (tempdir,
String.Format ("{0}{1}{2}", (prefix != null) ? prefix + "." : "",
num.ToString ("x", CultureInfo.InvariantCulture),
(extension != null) ? "." + extension : ""));
try {
ret = createFile (path);
} catch (System.IO.IOException) {
} catch { throw; }
} while (ret == null);
return ret;
}
}
}
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