/// <summary>
/// Gets the specified File by the file name or a file nested inside a subdirectory owned by this directory
/// </summary>
/// <param name="pathToFile">Information.txt OR Lenovo\Information\Information.txt</param>
/// <returns></returns>
public Task <IFile> GetFileAsync(string pathToFile)
{
AssertDirectoryExists();
return(Task.Factory.StartNew(() =>
{
IFile file = null;
if (!String.IsNullOrWhiteSpace(pathToFile))
{
// Get the full path to the desired file
string filePath = Environment.ExpandEnvironmentVariables(Path.Combine(this.FullPath, pathToFile));
if (File.Exists(filePath))
{
// Create new file info object, use this Directory's path and the passed in path to get it
var fileInfo = new FileInfo(filePath);
// Make sure the file info is null
if (fileInfo != null)
{
// Create new WinFile object using file info
file = new WinFile(fileInfo);
}
}
}
return file;
}));
}
/// <summary>
/// Creates a file using the given file path, contents, and creation option
/// </summary>
/// <param name="fileName"></param>
/// <param name="contents"></param>
/// <param name="collisionOption"></param>
/// <returns></returns>
public Task <IFile> CreateFileAsync(string fileName, string contents, CreationOption collisionOption)
{
AssertDirectoryExists();
return(Task.Factory.StartNew(() =>
{
IFile createdFile = null;
string filePath = Environment.ExpandEnvironmentVariables(Path.Combine(this.FullPath, fileName));
// File exists
if (File.Exists(filePath))
{
switch (collisionOption)
{
case CreationOption.OpenIfExists:
File.AppendAllText(filePath, contents);
break;
case CreationOption.ReplaceExisting:
File.WriteAllText(filePath, contents);
break;
case CreationOption.ThrowIfExists:
throw new Exceptions.FileAlreadyExistsException("The file to be created already exists in the target directory");
default:
goto case CreationOption.ReplaceExisting;
}
}
// File does not already exist
else
{
if (contents != null)
{
// Contents are not null, write all the text to the new file
File.WriteAllText(filePath, contents);
}
else
{
// Contents were null, just create a new, empty file
File.Create(filePath).Dispose();
}
}
// Create a new WinFile object using FileInfo for the filePath
createdFile = new WinFile(new FileInfo(filePath));
return createdFile;
}));
}