/// <summary>
/// Tries to copy the file 'attempts' times
/// </summary>
/// <param name="file">source file</param>
/// <param name="destFileName">Target path and file name</param>
/// <param name="attempts">Numbers of times to try coping the file.</param>
/// <param name="onError">Action to call on each attempt, passing the throwed exception and the attempt number.</param>
/// <returns>Return true or false indicating if the file has been moved.</returns>
public static bool tryCopyTo(this FileInfo file, string destFileName, bool overwrite, int attempts, FileOperationAttempDelegate onError = null)
{
return(prv_tryCopyTo(file, destFileName, overwrite, attempts, onError));
}
private static bool prv_tryFileOperation(Action fileOperationFunction, int attempts, FileOperationAttempDelegate onError = null)
{
for (int i = 1; i <= attempts; ++i)
{
try
{
fileOperationFunction();
return(true);
}
catch (Exception ex)
{
onError?.Invoke(ex, i, attempts);
}
}
return(false);
}
/// <summary>
/// Tries to move the file 'attempts' times
/// </summary>
/// <param name="file">source file</param>
/// <param name="destFileName">Target path and file name</param>
/// <param name="attempts">Numbers of times to try moving the file.</param>
/// <param name="onError">Action to call on each attempt, passing the throwed exception and the attempt number.</param>
/// <returns>Return true or false indicating if the file has been moved.</returns>
public static bool tryMoveTo(this FileInfo file, string destFileName, FileOperationAttempDelegate onError = null)
{
return(prv_tryMoveTo(file, destFileName, DEFAULT_ATTEMPTS, onError));
}
private static bool prv_tryCopyTo(FileInfo file, string destFileName, bool overwrite, int attempts, FileOperationAttempDelegate onError = null)
{
return(prv_tryFileOperation(() => file.CopyTo(destFileName, overwrite), attempts, onError));
}
