code: public static boolean isWorkplaceUri(URI uri) {
  
          return (uri != null) && uri.getPath().startsWith(OpenCms.getSystemInfo().getWorkplaceContext());
      }
docs: Returns if the given URI is pointing to the OpenCms workplace UI.<p>
  
  @param uri the URI
  
  @return <code>true</code> if the given URI is pointing to the OpenCms workplace UI