public IFile OpenFile([NotNull] string fileName, bool canWrite)
{
Validate.ArgumentNotNull(fileName, "fileName");
CheckDisposed();
var vfn = new VirtualFileName(fileName);
VirtualFile ret;
// no using clause, since file must remain locked.
var result = FindNode(vfn, false, canWrite);
try
{
var currentNode = result.File;
if (currentNode == null)
{
throw new FileNotFoundException("File not found.", fileName);
}
ret = new VirtualFile(currentNode, canWrite);
}
catch
{
result.Dispose();
throw;
}
return ret;
}
/// <summary>
/// adds a new file to this directory.
/// </summary>
/// <param name="fileName">the name of the file to be created.</param>
/// <returns>the created file.</returns>
public VirtualFile AddFile(string fileName)
{
if (!ValidName(fileName))
{
throw new ArgumentException("fileName invalid");
}
if (ReadAllItems().Any(item => item.Name.Equals(fileName)))
{
throw new ItemNameInUseException(fileName);
}
var newFile = new VirtualFile(CreateNewFile(), fileName, this, ContainerFile);
AddItem(newFile);
return newFile;
}
public IFile CreateFile([NotNull] string fileName)
{
Validate.ArgumentNotNull(fileName, "fileName");
CheckDisposed();
var vfn = new VirtualFileName(fileName);
VirtualFile ret;
using (var result = FindNode(vfn, true, true))
{
var parentNode = result.Directory;
if (parentNode == null)
{
throw new DirectoryNotFoundException("Specified path does not reference a directory.");
}
var node = _record.CreateFileNode(vfn.Name, parentNode);
node.LockWrite();
ret = new VirtualFile(node, true);
}
return ret;
}
