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package com.feingto.cloud.domain.converters;

import com.feingto.cloud.core.json.JSON;
import com.feingto.cloud.dto.gateway.ParameterDTO;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;

import javax.persistence.AttributeConverter;
import java.util.ArrayList;
import java.util.List;

/**
 * List 持久层转换
 *
 * @author longfei
 */
public class ParameterPersistenceConverters implements AttributeConverter, String> {
    @Override
    public String convertToDatabaseColumn(List attribute) {
        return !CollectionUtils.isEmpty(attribute) ? JSON.build().obj2json(attribute) : null;
    }

    @Override
    public List convertToEntityAttribute(String dbData) {
        return StringUtils.hasLength(dbData) ? JSON.build().json2list(dbData, ParameterDTO.class) : new ArrayList<>();
    }
}