static int[][] TryReadMatrixFromFile(ref int size)
{
StreamReader streamReader = null;
int[][] matrix;
try
{
streamReader = File.OpenText(fileName);
matrix = MatrixProcessor.ReadMatrixFromFile(out size, streamReader);
if (matrix.Length == 0)
{
throw new Exception("Input matrix is empty");
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine("Creating a random matrix...");
matrix = MatrixProcessor.CreateRandomMatrix(out size);
}
finally
{
if (streamReader != null)
{
streamReader.Close();
}
}
return(matrix);
}
static void Main(string[] args)
{
int size = 0;
int[][] matrix = TryReadMatrixFromFile(ref size);
MatrixProcessor.ConsoleOutputRotatedMatrix(size, matrix);
Console.WriteLine();
matrix = MatrixProcessor.RotateMatrix(size, matrix);
TryWriteMatrixToFile(size, matrix);
Console.WriteLine("Matrix was written to the file");
}
static void TryWriteMatrixToFile(int size, int[][] matrix)
{
try
{
using (StreamWriter streamWriter = new StreamWriter(fileName, true))
{
MatrixProcessor.FileOutputMatrix(size, matrix, streamWriter);
}
}
catch
{
Console.WriteLine("Error occured while writing to file");
}
}