String roomName = room_id.toString();
String current_dir = ScopeApplicationAdapter.webAppPath
+ File.separatorChar + "upload" + File.separatorChar;
log.debug("### this is my working directory: " + current_dir);
FileExplorerItem fileExplorerItem = FileExplorerItemDaoImpl.getInstance().getFileExplorerItemsById(fileExplorerItemId);
ArrayList roomItems = LibraryWmlLoader.getInstance().loadWmlFile(current_dir,
fileExplorerItem.getWmlFilePath());
Map whiteboardObjClear = new HashMap();
whiteboardObjClear.put(2, "clear");
whiteboardObjClear.put(3, null);