/// <summary>
/// Copies the file.
/// </summary>
public void CopyFile([NotNull] string sourceFileName, [NotNull] string destFileName, [CanBeNull] IFileSystem destinationSystem = null)
{
Validate.ArgumentNotNull(sourceFileName, "sourceFileName");
Validate.ArgumentNotNull(destFileName, "destFileName");
if (destinationSystem == null || destinationSystem == this)
{
File.Copy(sourceFileName, destFileName);
}
else
{
var operations = new VirtualFileOperations(this, destinationSystem);
operations.CopyFile(sourceFileName, destFileName);
}
}
/// <summary>
/// Copies the file.
/// </summary>
/// <param name="sourceFileName">Name of the source file.</param>
/// <param name="destFileName">Name of the destination file.</param>
/// <param name="destinationSystem">The destination system. Optional.</param>
/// <exception cref="FileNotFoundException">Cannot find source file to copy.</exception>
/// <exception cref="DirectoryNotFoundException">Specified destination path does not exist.</exception>
public void CopyFile([NotNull] string sourceFileName, [NotNull] string destFileName, [CanBeNull] IFileSystem destinationSystem = null)
{
Validate.ArgumentNotNull(sourceFileName, "sourceFileName");
Validate.ArgumentNotNull(destFileName, "destFileName");
CheckDisposed();
// destination and source must be file names. directory names are not supported (same as native io).
bool sameSystem = destinationSystem == null || destinationSystem == this;
// move inside same volume
if (sameSystem && sourceFileName == destFileName)
{
return;
}
if (sameSystem)
{
var sourceVfn = new VirtualFileName(sourceFileName);
using (var srcResult = FindNode(sourceVfn, false)) // lock file for reading, we're copying
{
var sourceFile = srcResult.File;
if (sourceFile == null)
{
throw new FileNotFoundException("Cannot find source file to copy.", sourceFileName);
}
var vfn = new VirtualFileName(destFileName);
// lock destination dir for writing - new file will be created there.
using (var destResult = FindNode(vfn, true, true))
{
var parentDir = destResult.Directory;
if (parentDir == null)
{
throw new DirectoryNotFoundException("Specified destination path does not exist.");
}
var destFile = _record.CreateFileNode(vfn.Name, parentDir);
using (NodeLocker.Lock(destFile, true))
{
CopyNodeData(sourceFile, destFile);
}
}
}
}
else
{
var operations = new VirtualFileOperations(this, destinationSystem);
operations.CopyFile(sourceFileName, destFileName);
}
}
