public static String encrypt(String input){
  if (encryptionService == null || input == null || input.length() == 0) {
    return input;
  }
  return ENCRYPTION_PREFIX + encryptionService.encrypt(input);
}

public static String encrypt ( String input ) { if ( encryptionService == null || input == null || input . length ( ) == 0 ) { return input ; } return ENCRYPTION_PREFIX + encryptionService . encrypt ( input ) ; }
encrypts the provided string .
