class CharacterConverter implements ConditionalConverter<Object, Character> {
  public Character convert(MappingContext<Object, Character> context) {<FILL_FUNCTION_BODY>}

  public MatchResult match(Class<?> sourceType, Class<?> destinationType) {
    boolean destMatch = destinationType == Character.class || destinationType == Character.TYPE;
    return destMatch ? sourceType == Character.class || sourceType == Character.TYPE ? MatchResult.FULL
        : MatchResult.PARTIAL
        : MatchResult.NONE;
  }
}

    Object source = context.getSource();
    if (source == null)
      return null;

    String stringValue = source.toString();
    if (stringValue.length() == 0)
      return null;
    return Character.valueOf(stringValue.charAt(0));
  
<no_super_class>