static public AttemptResult AttemptReadObjectIfExists <T>(this StreamSystem item, string path, ref T to_read, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
if (item.DoesStreamExist(path))
{
return(item.AttemptReadObject <T>(path, out to_read, milliseconds));
}
return(AttemptResult.Unneeded);
}
public virtual AttemptResult CopyStreamForeign(string src_path, StreamSystem dst, string dst_path, bool overwrite, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
if (overwrite || dst.DoesStreamExist(dst_path) == false)
{
return(dst.Write(dst_path, delegate(Stream stream) {
return this.AttemptReadIntoStream(src_path, stream, milliseconds);
}, milliseconds));
}
return(AttemptResult.Failed);
}
static public AttemptResult Move(this StreamSystem item, string src_path, StreamSystem dst, string dst_path, bool overwrite, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
if (item.DoesStreamExist(src_path))
{
return(item.MoveStream(src_path, dst, dst_path, overwrite, milliseconds));
}
if (item.DoesDirectoryExist(src_path))
{
return(item.MoveDirectory(src_path, dst, dst_path, overwrite, milliseconds));
}
return(AttemptResult.Failed);
}
static public bool DoesExist(this StreamSystem item, string path)
{
if (item.DoesStreamExist(path))
{
return(true);
}
if (item.DoesDirectoryExist(path))
{
return(true);
}
return(false);
}
static public AttemptResult Rename(this StreamSystem item, string path, string new_name, bool overwrite, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
if (item.DoesStreamExist(path))
{
return(item.RenameStream(path, new_name, overwrite, milliseconds));
}
if (item.DoesDirectoryExist(path))
{
return(item.RenameDirectory(path, new_name, overwrite, milliseconds));
}
return(AttemptResult.Failed);
}
static public AttemptResult Delete(this StreamSystem item, string path, long milliseconds = StreamSystem.DEFAULT_WAIT)
{
if (item.DoesStreamExist(path))
{
return(item.DeleteStream(path, milliseconds));
}
if (item.DoesDirectoryExist(path))
{
return(item.DeleteDirectory(path, milliseconds));
}
return(AttemptResult.Failed);
}
public override bool DoesStreamExist(string path)
{
return(stream_system.DoesStreamExist(CalculatePath(path)));
}
