javax.persistence.UUIDToStringConverter Maven / Gradle / Ivy

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package javax.persistence;

import java.util.UUID;

import org.springframework.util.StringUtils;

/**
 * @see Converter#autoApply()
 */
@Converter
public class UUIDToStringConverter implements AttributeConverter {
  @Override
  public String convertToDatabaseColumn(UUID attribute) {
    if (attribute != null) {
      String dbData = attribute.toString();
      return StringUtils.hasText(dbData) ? dbData : UUID.randomUUID().toString();
    }
    return UUID.randomUUID().toString();
  }

  @Override
  public UUID convertToEntityAttribute(String dbData) {
    return StringUtils.hasText(dbData) ? UUID.fromString(dbData) : UUID.randomUUID();
  }
}