javax.persistence.StringArrayToCommaDelimitedStringConverter Maven / Gradle / Ivy

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package javax.persistence;

import org.springframework.util.StringUtils;

/**
 * @see java.nio.charset.StandardCharsets#UTF_8
 */
@Converter
public class StringArrayToCommaDelimitedStringConverter implements AttributeConverter {
  @Override
  public String convertToDatabaseColumn(String[] attribute) {
    if (attribute == null) {
      return null;
    }
    return StringUtils.arrayToCommaDelimitedString(attribute);
  }

  @Override
  public String[] convertToEntityAttribute(String dbData) {
    if (dbData == null) {
      return null;
    }
    return StringUtils.commaDelimitedListToStringArray(dbData);
  }
}