Hi,
On Tue, Jan 14, 2014 at 1:29 PM, Oliver B. Fischer <mails...@swe-blog.net>wrote:
> I have to validate a lot of UUIDs and wrote a small converter for UUID. If
> the quite simple implementation is fine for you I would like to contribute
> it to the Wicket code base including some tests
>
> public class UUIDConverter implements IConverter<UUID>
> {
> public static final String UUID_REGEX = "[0-9a-fA-F]{8}(?:-[0-9a-fA-F]
> {4}){3}-[0-9a-fA-F]{12}";
>
This would be better to be compiled Pattern instead. For better performance.
>
> @Override
> public UUID convertToObject(String value, Locale locale)
> throws ConversionException
> {
> UUID conversionResult = null;
>
> if (value == null || !value.matches(UUID_REGEX)) {
> throw newConversionException(value);
> }
>
> try {
> conversionResult = UUID.fromString(value);
> }
> catch (IllegalArgumentException e)
> {
> throw newConversionException(value);
>
Maybe it is a good idea to pass the cause as well.
> }
>
> return conversionResult;
> }
>
> @Override
> public String convertToString(UUID value, Locale locale)
> {
> String conversionResult = null;
>
> if (value != null) {
> conversionResult = value.toString();
> }
>
> return conversionResult;
> }
>
> protected ConversionException newConversionException(String value)
> {
> return new ConversionException("Failed to convert " + value +
> "to a UUID");
> }
> }
>
>
It is quite simple. Anyone can write it if it is needed for her application.
But also I don't object to add it.
>
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