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1   /**
2    *    Copyright 2009-2015 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    *       http://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 CharacterTypeHandler extends BaseTypeHandler<Character> {
27  
28    @Override
29    public void setNonNullParameter(PreparedStatement ps, int i, Character parameter, JdbcType jdbcType) throws SQLException {
30      ps.setString(i, parameter.toString());
31    }
32  
33    @Override
34    public Character getNullableResult(ResultSet rs, String columnName) throws SQLException {
35      String columnValue = rs.getString(columnName);
36      if (columnValue != null) {
37        return columnValue.charAt(0);
38      } else {
39        return null;
40      }
41    }
42  
43    @Override
44    public Character getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
45      String columnValue = rs.getString(columnIndex);
46      if (columnValue != null) {
47        return columnValue.charAt(0);
48      } else {
49        return null;
50      }
51    }
52  
53    @Override
54    public Character getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
55      String columnValue = cs.getString(columnIndex);
56      if (columnValue != null) {
57        return columnValue.charAt(0);
58      } else {
59        return null;
60      }
61    }
62  }