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1   /*
2    *    Copyright 2009-2023 the original author or authors.
3    *
4    *    Licensed under the Apache License, Version 2.0 (the "License");
5    *    you may not use this file except in compliance with the License.
6    *    You may obtain a copy of the License at
7    *
8    *       https://www.apache.org/licenses/LICENSE-2.0
9    *
10   *    Unless required by applicable law or agreed to in writing, software
11   *    distributed under the License is distributed on an "AS IS" BASIS,
12   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *    See the License for the specific language governing permissions and
14   *    limitations under the License.
15   */
16  package org.apache.ibatis.type;
17  
18  import java.math.BigDecimal;
19  import java.math.BigInteger;
20  import java.sql.CallableStatement;
21  import java.sql.PreparedStatement;
22  import java.sql.ResultSet;
23  import java.sql.SQLException;
24  
25  /**
26   * @author Paul Krause
27   */
28  public class BigIntegerTypeHandler extends BaseTypeHandler<BigInteger> {
29  
30    @Override
31    public void setNonNullParameter(PreparedStatement ps, int i, BigInteger parameter, JdbcType jdbcType)
32        throws SQLException {
33      ps.setBigDecimal(i, new BigDecimal(parameter));
34    }
35  
36    @Override
37    public BigInteger getNullableResult(ResultSet rs, String columnName) throws SQLException {
38      BigDecimal bigDecimal = rs.getBigDecimal(columnName);
39      return bigDecimal == null ? null : bigDecimal.toBigInteger();
40    }
41  
42    @Override
43    public BigInteger getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
44      BigDecimal bigDecimal = rs.getBigDecimal(columnIndex);
45      return bigDecimal == null ? null : bigDecimal.toBigInteger();
46    }
47  
48    @Override
49    public BigInteger getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
50      BigDecimal bigDecimal = cs.getBigDecimal(columnIndex);
51      return bigDecimal == null ? null : bigDecimal.toBigInteger();
52    }
53  }