public void Move(IFileSystem source, FileSystemPath sourcePath, IFileSystem destination,
FileSystemPath destinationPath)
{
bool isFile;
if ((isFile = sourcePath.IsFile) != destinationPath.IsFile)
{
throw new ArgumentException(
"The specified destination-path is of a different type than the source-path.");
}
if (isFile)
{
using (var sourceStream = source.OpenFile(sourcePath, FileAccess.Read))
{
using (var destinationStream = destination.CreateFile(destinationPath))
{
var buffer = new byte[BufferSize];
int readBytes;
while ((readBytes = sourceStream.Read(buffer, 0, buffer.Length)) > 0)
{
destinationStream.Write(buffer, 0, readBytes);
}
}
}
source.Delete(sourcePath);
}
else
{
destination.CreateDirectory(destinationPath);
foreach (var ep in source.GetEntities(sourcePath).ToArray())
{
var destinationEntityPath = ep.IsFile
? destinationPath.AppendFile(ep.EntityName)
: destinationPath.AppendDirectory(ep.EntityName);
Move(source, ep, destination, destinationEntityPath);
}
if (!sourcePath.IsRoot)
{
source.Delete(sourcePath);
}
}
}
public void Copy(IFileSystem source, FileSystemPath sourcePath, IFileSystem destination,
FileSystemPath destinationPath)
{
var pSource = (PhysicalFileSystem)source;
var pDestination = (PhysicalFileSystem)destination;
var pSourcePath = pSource.GetPhysicalPath(sourcePath);
var pDestinationPath = pDestination.GetPhysicalPath(destinationPath);
if (sourcePath.IsFile)
{
System.IO.File.Copy(pSourcePath, pDestinationPath);
}
else
{
destination.CreateDirectory(destinationPath);
foreach (var e in source.GetEntities(sourcePath))
{
source.Copy(e, destination,
e.IsFile
? destinationPath.AppendFile(e.EntityName)
: destinationPath.AppendDirectory(e.EntityName));
}
}
}
/// <summary>
/// Copies an entity from a source file system to a destination file system (async with cancellation token).
/// </summary>
public async Task CopyAsync(IFileSystem source, FileSystemPath sourcePath, IFileSystem destination, FileSystemPath destinationPath, CancellationToken cancellationToken)
{
bool isFile = sourcePath.IsFile;
if (isFile != destinationPath.IsFile)
{
throw new ArgumentException("The specified destination-path is of a different type than the source-path.");
}
if (isFile)
{
using (var sourceStream = source.OpenFile(sourcePath, FileAccess.Read))
using (var destinationStream = destination.CreateFile(destinationPath)) {
await sourceStream.CopyToAsync(destinationStream, BufferSize, cancellationToken);
}
}
else
{
if (!destinationPath.IsRoot)
{
destination.CreateDirectory(destinationPath);
}
foreach (var ep in source.GetEntities(sourcePath))
{
var destinationEntityPath = ep.IsFile ? destinationPath.AppendFile(ep.EntityName) : destinationPath.AppendDirectory(ep.EntityName);
await CopyAsync(source, ep, destination, destinationEntityPath, cancellationToken);
}
}
}