/// <summary>
/// Creates a new text file if the specified file doesn't already exist
/// </summary>
/// <param name="filePath">The full file path of the file to be created</param>
public virtual void CreateIfFileDoesNotExist(string filePath)
{
// This method should be called only if the TextFile object is in an INITIAL state.
if (State != FileState.INITIAL)
{
throw new FileOpenException("File state is not INITIAL")
{
FilePath = DirectoryPath,
FileName = FileName
};
}
// Obtain the absolute file path.
ParseFilePath(filePath);
// Create an empty file if the specified file does not exist.
if (!File.Exists(filePath))
{
FileOps.CreateFile(filePath);
}
}
/// <summary>
/// Creates a new text file for writing
/// </summary>
/// <param name="filePath">
/// The file path of the text file to be opened
/// </param>
public virtual void CreateForWrite(string filePath)
{
// Check to see if the file is already open. Throw an exception if it is.
if (State == FileState.OPEN)
{
throw new FileOpenException("File already open")
{
FilePath = DirectoryPath,
FileName = FileName
};
}
// Obtain the absolute file path.
ParseFilePath(filePath);
// Throw an exception if the file already exists.
FileOps.FileMustNotExist(FilePath);
// Create the new text file
FileOps.CreateFile(FilePath);
// Finish opening the text file for writing
State = FileState.OPEN;
Mode = FileMode.WRITE;
Position = 0;
}
