/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.store.jdbc.adapter;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.apache.activemq.util.ByteArrayInputStream;
/**
* This JDBCAdapter inserts and extracts BLOB data using the
* setBinaryStream()/getBinaryStream() operations.
*
* The databases/JDBC drivers that use this adapter are:
* <ul>
* <li>Axion</li>
* </ul>
*
* @org.apache.xbean.XBean element="streamJDBCAdapter"
*
* @version $Revision: 1.2 $
*/
public class StreamJDBCAdapter extends DefaultJDBCAdapter {
/**
* @see org.apache.activemq.store.jdbc.adapter.DefaultJDBCAdapter#getBinaryData(java.sql.ResultSet,
* int)
*/
protected byte[] getBinaryData(ResultSet rs, int index) throws SQLException {
try {
InputStream is = rs.getBinaryStream(index);
ByteArrayOutputStream os = new ByteArrayOutputStream(1024 * 4);
int ch;
while ((ch = is.read()) >= 0) {
os.write(ch);
}
is.close();
os.close();
return os.toByteArray();
} catch (IOException e) {
throw (SQLException)new SQLException("Error reading binary parameter: " + index).initCause(e);
}
}
/**
* @see org.apache.activemq.store.jdbc.adapter.DefaultJDBCAdapter#setBinaryData(java.sql.PreparedStatement,
* int, byte[])
*/
protected void setBinaryData(PreparedStatement s, int index, byte[] data) throws SQLException {
s.setBinaryStream(index, new ByteArrayInputStream(data), data.length);
}
}