BlobTypeHandlerCallback


1   /*
2    *  Copyright 2004 Clinton Begin
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 com.ibatis.sqlmap.engine.type;
17  
18  import com.ibatis.sqlmap.client.extensions.ParameterSetter;
19  import com.ibatis.sqlmap.client.extensions.ResultGetter;
20  import com.ibatis.sqlmap.client.extensions.TypeHandlerCallback;
21  
22  import java.sql.Blob  ;
23  import java.sql.SQLException  ;
24  
25  public class BlobTypeHandlerCallback implements TypeHandlerCallback {
26  
27   public Object   getResult(ResultGetter getter) throws SQLException   {
28     Blob   blob = getter.getBlob();
29     byte[] returnValue = null;
30     if (null != blob) {
31       returnValue = blob.getBytes(1, (int) blob.length());
32     } else {
33       returnValue = null;
34     }
35     return returnValue;
36   }
37  
38   public void setParameter(ParameterSetter setter, Object   parameter)
39  throws SQLException   {
40     if (null != parameter) {
41       byte[] bytes = (byte[]) parameter;
42       setter.setBytes(bytes);
43     }
44   }
45  
46   public Object   valueOf(String   s) {
47     return s;
48   }
49  
50  }

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