public Parser getParser()

in domain/src/main/java/demoapp/dom/progmodel/customvaluetypes/customvalues/EmailAddressValueSemantics.java [97:126]

25 lines of code
3 McCabe index (conditional complexity)


    public Parser<EmailAddress> getParser() {
        return new Parser<>() {
            // https://stackoverflow.com/a/47181151
            final Pattern REGEX = Pattern.compile("^[\\w-\\+]+(\\.[\\w]+)*@[\\w-]+(\\.[\\w]+)*(\\.[a-zA-Z]{2,})$");

            @Override
            public String parseableTextRepresentation(Context context, EmailAddress value) {
                return renderTitle(value, EmailAddress::getEmailAddress);
            }

            @Override
            public EmailAddress parseTextRepresentation(Context context, String text) {
                if(!REGEX.matcher(text).matches()) {
                    throw new RuntimeException("Invalid email format");
                }
                if (_Strings.isEmpty(text)) return null;
                return EmailAddress.of(text);
            }

            @Override
            public int typicalLength() {
                return 20;
            }

            @Override
            public int maxLength() {
                return 50;
            }
        };
    }