How to store enum type as lowercase string?

Question

My model class (piece):

public class User ... {

    @Enumerated(STRING)
    private Status status;

    ...

    public enum Status {

        ACTIVE,
        INACTIVE;

        @Override
        public String toString() {
            return this.name().toLowerCase();
        }
    }

    ...

    public String getStatus() {
        return status.name().toLowerCase();
    }

    public void setStatus(Status status) {
        this.status = status;
    }
}

As you see above I override toString method, but no effect. Enumeration store in database as ACTIVE or INACTIVE.

P.S. I use hibernate jpa

Thanks for help!

P.S.S. I ask because I write REST service that produces json (in json object better use lower case, if I'm not mistake)

Answer 1

write a converter class, annotated with @Converter , which implements javax.persistence.AttributeConverter<YourEnum, String>. There are two methods:

public String convertToDatabaseColumn(YourEnum attribute){..}
public YourEnum convertToEntityAttribute(String dbData) {..}

there you can apply your upper/lower case logic.

Later you can annotated your field, for using the given converter.