code: public boolean accept(String path) {
  
  		if (fileFilter == null) {
  			throw new UnsupportedOperationException(
  					"This method can't be called on a PahMapping which doesn't have a fileFilter");
  		}
  
  		File f = new File(path);
  		return fileFilter.accept(f);
  	}
docs: Returns true if the file path passed in parameter is accepted by this
  mapping. This method throws an {@link UnsupportedOperationException} if
  the mapping has no filter.
  
  @param path
  the path to check
  @return the file filter