code: protected String getCurrentFolderPath(GenericWebAppContext context)
     {
        // To limit browsing set Servlet init param "digitalAssetsPath" with desired JCR path
        String rootFolderStr =
           (String)context.get("org.exoplatform.frameworks.jcr.command.web.fckeditor.digitalAssetsPath");
  
        if (rootFolderStr == null)
           rootFolderStr = "/";
  
        // set current folder
        String currentFolderStr = (String)context.get("CurrentFolder");
        if (currentFolderStr == null)
           currentFolderStr = "";
        else if (currentFolderStr.length() < rootFolderStr.length())
           currentFolderStr = rootFolderStr;
  
        return currentFolderStr;
     }
docs: Return FCKeditor current folder path.
  
  @param context
  @return String path