se.fortnox.reactivewizard.jaxrs.params.deserializing.EnumDeserializer Maven / Gradle / Ivy

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package se.fortnox.reactivewizard.jaxrs.params.deserializing;

/**
 * Deserializes enums.
 */
public class EnumDeserializer> implements Deserializer {
    private final Class paramType;

    public EnumDeserializer(Class paramType) {
        this.paramType = paramType;
    }

    @Override
    public T deserialize(String value) throws DeserializerException {
        if (value == null || value.isEmpty()) {
            return null;
        }
        try {
            return Enum.valueOf(paramType, value);
        } catch (Exception parseException) {
            try {
                return Enum.valueOf(paramType, value.toUpperCase());
            } catch (Exception e) {
                throw new DeserializerException("invalid.enum");
            }

        }
    }
}