/// -----------------------------------------------------------------------------
/// <summary>
/// Tries to copy a file in the file system
/// </summary>
/// <param name="sourceFileName">The name of the source file</param>
/// <param name="destFileName">The name of the destination file</param>
/// -----------------------------------------------------------------------------
public static void CopyFile(string sourceFileName, string destFileName)
{
if (File.Exists(destFileName))
{
File.SetAttributes(destFileName, FileAttributes.Normal);
}
File.Copy(sourceFileName, destFileName, true);
}
/// -----------------------------------------------------------------------------
/// <summary>
/// Tries to delete a file from the file system
/// </summary>
/// <param name="fileName">The name of the file</param>
/// -----------------------------------------------------------------------------
public static void DeleteFile(string fileName)
{
fileName = FixPath(fileName);
if (File.Exists(fileName))
{
File.SetAttributes(fileName, FileAttributes.Normal);
File.Delete(fileName);
}
}
public static string DeleteFiles(Array arrPaths)
{
var strExceptions = string.Empty;
for (var i = 0; i < arrPaths.Length; i++)
{
var strPath = (arrPaths.GetValue(i) ?? string.Empty).ToString();
var pos = strPath.IndexOf("'", StringComparison.Ordinal);
if (pos != -1)
{
// the (') represents a comment to the end of the line
strPath = strPath.Substring(0, pos);
}
strPath = FixPath(strPath).TrimStart('\\');
if (!string.IsNullOrEmpty(strPath))
{
strPath = Path.Combine(Globals.ApplicationMapPath, strPath);
if (strPath.EndsWith("\\") && Directory.Exists(strPath))
{
var directoryInfo = new System.IO.DirectoryInfo(strPath);
var applicationPath = Globals.ApplicationMapPath + "\\";
if (directoryInfo.FullName.StartsWith(applicationPath, StringComparison.InvariantCultureIgnoreCase) &&
!directoryInfo.FullName.Equals(applicationPath, StringComparison.InvariantCultureIgnoreCase))
{
try
{
Globals.DeleteFolderRecursive(strPath);
}
catch (Exception ex)
{
Logger.Error(ex);
strExceptions += $"Processing folder ({strPath}) Error: {ex.Message}{Environment.NewLine}";
}
}
}
else
{
if (File.Exists(strPath))
{
try
{
File.SetAttributes(strPath, FileAttributes.Normal);
File.Delete(strPath);
}
catch (Exception ex)
{
Logger.Error(ex);
strExceptions += $"Processing file ({strPath}) Error: {ex.Message}{Environment.NewLine}";
}
}
}
}
}
return(strExceptions);
}
/// -----------------------------------------------------------------------------
/// <summary>
/// Trys to delete a file from the file system
/// </summary>
/// <param name="fileName">The name of the file</param>
/// -----------------------------------------------------------------------------
public static void DeleteFile(string fileName)
{
if (File.Exists(fileName))
{
fileName = fileName.Replace('/', '\\');
File.SetAttributes(fileName, FileAttributes.Normal);
File.Delete(fileName);
}
}
/// -----------------------------------------------------------------------------
/// <summary>
/// Deletes file in areas with a high degree of concurrent file access (i.e. caching, logging)
/// This solves file concurrency issues under heavy load.
/// </summary>
/// <param name="fileName">String.</param>
/// <param name="waitInMilliseconds">Int16.</param>
/// <param name="maxAttempts">Int16.</param>
/// <returns>Boolean.</returns>
/// <remarks>
/// </remarks>
/// -----------------------------------------------------------------------------
public static bool DeleteFileWithWait(string fileName, short waitInMilliseconds, short maxAttempts)
{
fileName = FixPath(fileName);
if (!File.Exists(fileName))
{
return(true);
}
bool fileDeleted = false;
int i = 0;
while (fileDeleted != true)
{
if (i > maxAttempts)
{
break;
}
i = i + 1;
try
{
if (File.Exists(fileName))
{
File.Delete(fileName);
}
fileDeleted = true; // we don't care if it didn't exist...the operation didn't fail, that's what we care about
}
catch (Exception exc)
{
Logger.Error(exc);
fileDeleted = false;
}
if (fileDeleted == false)
{
Thread.Sleep(waitInMilliseconds);
}
}
return(fileDeleted);
}
public static void UnzipResources(ZipInputStream zipStream, string destPath)
{
try
{
var zipEntry = zipStream.GetNextEntry();
while (zipEntry != null)
{
HtmlUtils.WriteKeepAlive();
var localFileName = zipEntry.Name;
var relativeDir = Path.GetDirectoryName(zipEntry.Name);
if (!string.IsNullOrEmpty(relativeDir) && (!Directory.Exists(Path.Combine(destPath, relativeDir))))
{
Directory.Create(Path.Combine(destPath, relativeDir), true);
}
if (!zipEntry.IsDirectory && (!string.IsNullOrEmpty(localFileName)))
{
var fileNamePath = FixPath(Path.Combine(destPath, localFileName));
try
{
if (File.Exists(fileNamePath))
{
File.SetAttributes(fileNamePath, FileAttributes.Normal);
File.Delete(fileNamePath);
}
FileStream objFileStream = null;
try
{
File.Create(fileNamePath);
objFileStream = File.Open(fileNamePath);
int intSize = 2048;
var arrData = new byte[2048];
intSize = zipStream.Read(arrData, 0, arrData.Length);
while (intSize > 0)
{
objFileStream.Write(arrData, 0, intSize);
intSize = zipStream.Read(arrData, 0, arrData.Length);
}
}
finally
{
if (objFileStream != null)
{
objFileStream.Close();
objFileStream.Dispose();
}
}
}
catch (Exception ex)
{
Logger.Error(ex);
}
}
zipEntry = zipStream.GetNextEntry();
}
}
finally
{
if (zipStream != null)
{
zipStream.Close();
zipStream.Dispose();
}
}
}