static void Main(string[] args)
{
var stopwatch = Stopwatch.StartNew();
var appParams = new ApplicationParams.ApplicationParams();
try
{
appParams.ParseCommandLineParams(args);
CheckFileParams(appParams);
switch (appParams.OperationType)
{
case OperationType.Compress: Compress(appParams.SourceFilePath, appParams.TargetFilePath); break;
case OperationType.Decompress: Decompress(appParams.SourceFilePath, appParams.TargetFilePath); break;
default: Compress(appParams.SourceFilePath, appParams.TargetFilePath); break;
}
}
catch (Exception e)
{
if (e is IndexOutOfRangeException || e is OutOfMemoryException)
{
Console.WriteLine("Недостаточно места на диске.");
}
else
{
Console.WriteLine(e);
}
}
Console.WriteLine($"Elapsed time: {stopwatch.ElapsedMilliseconds} ms.");
Console.WriteLine("Press any key to exit...");
Console.ReadKey();
}
/// <summary>
/// Проверить переданные файлы на доступность.
/// </summary>
private static void CheckFileParams(ApplicationParams.ApplicationParams appParams)
{
if (!File.Exists(appParams.SourceFilePath))
{
throw new FileNotFoundException("Source file not found or not accessible");
}
var path = Path.GetDirectoryName(appParams.TargetFilePath);
if (string.IsNullOrEmpty(path) || !Directory.Exists(path))
{
throw new DirectoryNotFoundException("Target directory not exists or not accessible");
}
if (File.Exists(appParams.TargetFilePath))
{
try
{
File.Delete(appParams.TargetFilePath);
}
catch (Exception e)
{
throw new Exception("Can`t delete existing target file", e);
}
}
}
