OracleJDBCAdapter


1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.servicemix.jdbc.adapter;
18  
19  import java.sql.Blob  ;
20  import java.sql.ResultSet  ;
21  import java.sql.SQLException  ;
22  
23  /**
24   * Implements all the default JDBC operations that are used
25   * by the JDBCPersistenceAdapter.
26   * <p/>
27   * Subclassing is encouraged to override the default
28   * implementation of methods to account for differences
29   * in JDBC Driver implementations.
30   * <p/>
31   * The JDBCAdapter inserts and extracts BLOB data using the
32   * getBytes()/setBytes() operations.
33   * <p/>
34   * The databases/JDBC drivers that use this adapter are:
35   * <ul>
36   * <li></li>
37   * </ul>
38   *
39   * @org.apache.xbean.XBean element="oracleJDBCAdapter"
40   *
41   * @version $Revision: 1.2 $
42   */
43  public class OracleJDBCAdapter extends DefaultJDBCAdapter {
44  
45      protected byte[] getBinaryData(ResultSet   rs, int index) throws SQLException   {
46          // Get as a BLOB
47          Blob   aBlob = rs.getBlob(index);
48          if (aBlob == null) {
49              return null;
50          }
51          return aBlob.getBytes(1, (int) aBlob.length());
52      }
53  }
54
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