public boolean isValidConnectionNameCharacter( char c ) {
    return CONNECTION_NAME_INVALID_CHARACTERS.indexOf( c ) < 0;
  }
@Test
  public void testIsValidConnectionNameCharacterReturnsFalseForInvalidCharacters() {
    for ( char c : CONNECTION_NAME_INVALID_CHARACTERS.toCharArray() ) {
      assertFalse( fileNameParser.isValidConnectionNameCharacter( c ) );
    }
  }