package com.iailab.framework.mybatis.core.handler;

import com.alibaba.fastjson.JSON;
import org.apache.ibatis.type.BaseTypeHandler;
import org.apache.ibatis.type.JdbcType;

import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class MybatisHandler extends BaseTypeHandler<Object> {

    @Override
    public void setNonNullParameter(PreparedStatement preparedStatement, int i, Object o, JdbcType jdbcType) throws SQLException {
        preparedStatement.setString(i, JSON.toJSONString(o));
    }

    @Override
    public Object getNullableResult(ResultSet resultSet, String s) throws SQLException {
        String sqlJson = resultSet.getString(s);
        if (null != sqlJson) {
            return JSON.parse(sqlJson);
        }
        return null;
    }

    @Override
    public Object getNullableResult(ResultSet resultSet, int i) throws SQLException {
        String sqlJson = resultSet.getString(i);
        if (null != sqlJson) {
            return JSON.parse(sqlJson);
        }
        return null;
    }

    @Override
    public Object getNullableResult(CallableStatement callableStatement, int i) throws SQLException {
        String sqlJson = callableStatement.getString(i);
        if (null != sqlJson) {
            return JSON.parse(sqlJson);
        }
        return null;
    }
}