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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.sql.CallableStatement;
19  import java.sql.PreparedStatement;
20  import java.sql.ResultSet;
21  import java.sql.SQLException;
22  import java.sql.Timestamp;
23  import java.time.Instant;
24  
25  /**
26   * @since 3.4.5
27   *
28   * @author Tomas Rohovsky
29   */
30  public class InstantTypeHandler extends BaseTypeHandler<Instant> {
31  
32    @Override
33    public void setNonNullParameter(PreparedStatement ps, int i, Instant parameter, JdbcType jdbcType)
34        throws SQLException {
35      ps.setTimestamp(i, Timestamp.from(parameter));
36    }
37  
38    @Override
39    public Instant getNullableResult(ResultSet rs, String columnName) throws SQLException {
40      Timestamp timestamp = rs.getTimestamp(columnName);
41      return getInstant(timestamp);
42    }
43  
44    @Override
45    public Instant getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
46      Timestamp timestamp = rs.getTimestamp(columnIndex);
47      return getInstant(timestamp);
48    }
49  
50    @Override
51    public Instant getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
52      Timestamp timestamp = cs.getTimestamp(columnIndex);
53      return getInstant(timestamp);
54    }
55  
56    private static Instant getInstant(Timestamp timestamp) {
57      if (timestamp != null) {
58        return timestamp.toInstant();
59      }
60      return null;
61    }
62  }