/// <summary>
/// Initializes a new instance of the <see cref="FileCabinetFilesystemService"/> class.
/// </summary>
/// <param name="fileStream">Stream to work with file.</param>
/// <exception cref="ArgumentNullException">Thrown when stream is null.</exception>
public FileCabinetFilesystemService(FileStream fileStream)
{
if (fileStream is null)
{
throw new ArgumentNullException(nameof(fileStream), Configurator.GetConstantString("NullStream"));
}
this.fileStream = fileStream;
this.binaryWriter = new BinaryWriter(fileStream);
this.binaryReader = new BinaryReader(fileStream);
try
{
this.sizeOfChar = int.Parse(Configurator.GetSetting("SizeOfChar"), CultureInfo.InvariantCulture);
this.sizeOfShort = int.Parse(Configurator.GetSetting("SizeOfShort"), CultureInfo.InvariantCulture);
this.sizeOfInt = int.Parse(Configurator.GetSetting("SizeOfInt"), CultureInfo.InvariantCulture);
this.sizeOfDecimal = int.Parse(Configurator.GetSetting("SizeOfDecimal"), CultureInfo.InvariantCulture);
this.sizeOfString = int.Parse(Configurator.GetSetting("SizeOfString"), CultureInfo.InvariantCulture);
this.sizeOfRecord = int.Parse(Configurator.GetSetting("SizeOfRecord"), CultureInfo.InvariantCulture);
}
catch (ArgumentException)
{
Console.WriteLine(Configurator.GetConstantString("InvalidTypeSyzeData"));
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
catch (FormatException)
{
Console.WriteLine(Configurator.GetConstantString("InvalidTypeSyzeData"));
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
catch (OverflowException)
{
Console.WriteLine(Configurator.GetConstantString("InvalidTypeSyzeData"));
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
}
private static void SetCommandLineSettings(string[] args)
{
IConfigurationRoot validationRules = null;
try
{
validationRules = new ConfigurationBuilder()
.SetBasePath(AppDomain.CurrentDomain.BaseDirectory)
.AddJsonFile(Configurator.GetSetting("ValidationRulesFileName"))
.Build();
}
catch (FileNotFoundException)
{
Console.WriteLine($"{Configurator.GetConstantString("MissingValidation")} {Configurator.GetSetting("ConstantStringsFileName")}");
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
catch (FormatException)
{
Console.WriteLine(Configurator.GetConstantString("InvalidValidationFile"));
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
Options options = GetCommandLineArguments(args);
if (options.Storage.Equals(Configurator.GetConstantString("FileStorage"), StringComparison.InvariantCultureIgnoreCase))
{
SetFileService();
}
else if (options.Storage.Equals(Configurator.GetConstantString("MemoryStorage"), StringComparison.InvariantCultureIgnoreCase))
{
SetMemoryService();
}
else
{
Console.WriteLine($"Wrong command line argument {options.Storage}.");
Environment.Exit(-1);
}
if (options.Rule.Equals(Configurator.GetConstantString("CustomRule"), StringComparison.InvariantCultureIgnoreCase))
{
SetCustomService(validationRules);
}
else if (options.Rule.Equals(Configurator.GetConstantString("DefaultRule"), StringComparison.InvariantCultureIgnoreCase))
{
SetDefaultService(validationRules);
}
else
{
Console.WriteLine($"Wrong command line argument {options.Rule}.");
Environment.Exit(-1);
}
if (fileCabinetService is FileCabinetFilesystemService)
{
try
{
fileCabinetService.Restore(fileCabinetService.MakeSnapshot());
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception)
#pragma warning restore CA1031 // Do not catch general exception types
{
Console.WriteLine(Configurator.GetConstantString("InvalidFile"));
Console.WriteLine(Configurator.GetConstantString("ClosingProgram"));
Environment.Exit(-1);
}
}
if (options.Logger)
{
SetLogger();
}
if (options.Stopwatch)
{
SetStopwatch();
}
}
