JAXB enumeration with numeric values

Question

I want to restrict input values like this

Answer 1

This code is more simpler way, works for me.

@XmlEnum(value = Integer.class)
public enum SomeEnum {
  @XmlEnumValue("0")
  Value1,
  @XmlEnumValue("1")
  Value2,
  @XmlEnumValue("2")
  Value3;
}