Banshee.LibraryWatcher.SourceWatcher.SourceWatcher C# (CSharp) Method

        public SourceWatcher (LibrarySource library)
        {
            this.library = library;
            handle = new ManualResetEvent(false);
            string path = library.BaseDirectoryWithSeparator;
            if (String.IsNullOrEmpty (path)) {
                throw new Exception ("Will not create LibraryWatcher for the blank directory");
            }

            string home = Environment.GetFolderPath (Environment.SpecialFolder.Personal) + Path.DirectorySeparatorChar;
            if (path == home) {
                throw new Exception ("Will not create LibraryWatcher for the entire home directory");
            }

            string root = Path.GetPathRoot (Environment.CurrentDirectory);
            if (path == root || path == root + Path.DirectorySeparatorChar) {
                throw new Exception ("Will not create LibraryWatcher for the entire root directory");
            }

            if (!Banshee.IO.Directory.Exists (path)) {
                throw new Exception ("Will not create LibraryWatcher for non-existent directory");
            }

            import_manager = ServiceManager.Get<LibraryImportManager> ();

            watcher = new FileSystemWatcher (path);
            watcher.IncludeSubdirectories = true;
            watcher.Changed += OnChanged;
            watcher.Created += OnChanged;
            watcher.Deleted += OnChanged;
            watcher.Renamed += OnChanged;

            active = true;
            watch_thread = new Thread (new ThreadStart (Watch));
            watch_thread.Name = String.Format ("LibraryWatcher for {0}", library.Name);
            watch_thread.IsBackground = true;
            watch_thread.Start ();
        }