code: protected String checkWorkingFolderInPath( String filePath ) {
          if (filePath.contains(HMConstants.WORKINGFOLDER)) {
              return null;
          }
          return filePath;
      }
docs: Checks if a passed path contains the workingfolder constant. If yes it is set to null.
  
  @param filePath the path to check.
  @return the path or null.