code: public static String escapeFileSystemForbiddenCharacters(String input) {
  		return input
  					.replace("?", "%3F")
  					.replace(">", "%3E")
  					.replace("<", "%3C")
  					.replace("\"", "%22")
  					.replace("|", "%7C");
  	}
docs: <p>escapeFileSystemForbiddenCharacters.</p>
  
  @param input a {@link java.lang.String} object.
  @return a {@link java.lang.String} object.