74 lines
2.1 KiB
C#
74 lines
2.1 KiB
C#
using System;
|
|
|
|
namespace UniversalEditor.UserInterface
|
|
{
|
|
public class TemporaryFileManager
|
|
{
|
|
private static Random rand = new Random();
|
|
|
|
private static System.Collections.Specialized.StringCollection mvarTemporaryFileNames = new System.Collections.Specialized.StringCollection();
|
|
private static string mvarTemporaryFilePath = null;
|
|
|
|
public static string CreateTemporaryFile(string FileName, byte[] FileData = null)
|
|
{
|
|
if (mvarTemporaryFilePath == null) throw new InvalidOperationException();
|
|
if (!System.IO.Directory.Exists(mvarTemporaryFilePath))
|
|
{
|
|
System.IO.Directory.CreateDirectory(mvarTemporaryFilePath);
|
|
}
|
|
|
|
FileName = System.IO.Path.GetFileName(FileName);
|
|
|
|
string filePath = mvarTemporaryFilePath + System.IO.Path.DirectorySeparatorChar.ToString() + FileName;
|
|
if (FileData != null) System.IO.File.WriteAllBytes(filePath, FileData);
|
|
mvarTemporaryFileNames.Add(filePath);
|
|
return filePath;
|
|
}
|
|
|
|
public static bool RegisterTemporaryDirectory(string prefix, int maxNameLength)
|
|
{
|
|
if (mvarTemporaryFilePath != null)
|
|
{
|
|
return false;
|
|
}
|
|
string name = String.Empty;
|
|
do
|
|
{
|
|
name = prefix + rand.Next(0, (maxNameLength * 10) - 1).ToString().PadLeft(maxNameLength - prefix.Length, '0');
|
|
}
|
|
while (System.IO.Directory.Exists(name));
|
|
|
|
string pathName = System.IO.Path.GetTempPath() + System.IO.Path.DirectorySeparatorChar.ToString() + name;
|
|
System.IO.Directory.CreateDirectory(pathName);
|
|
|
|
mvarTemporaryFilePath = pathName;
|
|
return true;
|
|
}
|
|
public static bool UnregisterTemporaryDirectory()
|
|
{
|
|
if (mvarTemporaryFilePath == null) return false;
|
|
|
|
System.Collections.Generic.List<string> fileNamesNotDeleted = new System.Collections.Generic.List<string>();
|
|
|
|
foreach (string fileName in mvarTemporaryFileNames)
|
|
{
|
|
if (System.IO.File.Exists(fileName))
|
|
{
|
|
try
|
|
{
|
|
System.IO.File.Delete(fileName);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
fileNamesNotDeleted.Add(fileName);
|
|
}
|
|
}
|
|
}
|
|
if (System.IO.Directory.Exists(mvarTemporaryFilePath) && fileNamesNotDeleted.Count == 0)
|
|
{
|
|
System.IO.Directory.Delete(mvarTemporaryFilePath, true);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
} |