001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.servicemix.jdbc.adapter;
018    
019    import java.sql.Blob;
020    import java.sql.ResultSet;
021    import java.sql.SQLException;
022    
023    /**
024     * Implements all the default JDBC operations that are used
025     * by the JDBCPersistenceAdapter.
026     * <p/>
027     * Subclassing is encouraged to override the default
028     * implementation of methods to account for differences
029     * in JDBC Driver implementations.
030     * <p/>
031     * The JDBCAdapter inserts and extracts BLOB data using the
032     * getBytes()/setBytes() operations.
033     * <p/>
034     * The databases/JDBC drivers that use this adapter are:
035     * <ul>
036     * <li></li>
037     * </ul>
038     *
039     * @org.apache.xbean.XBean element="oracleJDBCAdapter"
040     *
041     * @version $Revision: 1.2 $
042     */
043    public class OracleJDBCAdapter extends DefaultJDBCAdapter {
044    
045        protected byte[] getBinaryData(ResultSet rs, int index) throws SQLException {
046            // Get as a BLOB
047            Blob aBlob = rs.getBlob(index);
048            if (aBlob == null) {
049                return null;
050            }
051            return aBlob.getBytes(1, (int) aBlob.length());
052        }
053    }