View Javadoc
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.sql.CallableStatement;
19  import java.sql.PreparedStatement;
20  import java.sql.ResultSet;
21  import java.sql.SQLException;
22  
23  /**
24   * @author Clinton Begin
25   */
26  public class IntegerTypeHandler extends BaseTypeHandler<Integer> {
27  
28    @Override
29    public void setNonNullParameter(PreparedStatement ps, int i, Integer parameter, JdbcType jdbcType)
30        throws SQLException {
31      ps.setInt(i, parameter);
32    }
33  
34    @Override
35    public Integer getNullableResult(ResultSet rs, String columnName) throws SQLException {
36      int result = rs.getInt(columnName);
37      return result == 0 && rs.wasNull() ? null : result;
38    }
39  
40    @Override
41    public Integer getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
42      int result = rs.getInt(columnIndex);
43      return result == 0 && rs.wasNull() ? null : result;
44    }
45  
46    @Override
47    public Integer getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
48      int result = cs.getInt(columnIndex);
49      return result == 0 && cs.wasNull() ? null : result;
50    }
51  }