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JDBC Driver for the Firebird RDBMS
/*
* Firebird Open Source J2ee connector - jdbc driver
*
* Distributable under LGPL license.
* You may obtain a copy of the License at http://www.gnu.org/copyleft/lgpl.html
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* LGPL License for more details.
*
* This file was created by members of the firebird development team.
* All individual contributions remain the Copyright (C) of those
* individuals. Contributors to this file are either listed here or
* can be obtained from a CVS history command.
*
* All rights reserved.
*/
package org.firebirdsql.gds.impl.jni;
import org.firebirdsql.gds.BlobParameterBuffer;
import org.firebirdsql.gds.ISCConstants;
import java.io.ByteArrayOutputStream;
/**
*
*/
public class BlobParameterBufferImp extends ParameterBufferBase implements
BlobParameterBuffer {
public BlobParameterBufferImp() {
super();
}
public void addArgument(int argumentType, int value) {
if (value > 65535)
throw new RuntimeException(
"Blob parameter buffer value out of range for type "
+ argumentType);
getArgumentsList().add(new NumericArgument(argumentType, value) {
protected void writeValue(ByteArrayOutputStream outputStream,
int value) {
outputStream.write(2);
outputStream.write(value);
outputStream.write(value >> 8);
}
});
}
/**
* Pacakage local method for obtaining buffer suitable for passing to native
* method.
*
* @return
*/
byte[] getBytesForNativeCode() {
final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
byteArrayOutputStream.write(ISCConstants.isc_bpb_version1);
super.writeArgumentsTo(byteArrayOutputStream);
return byteArrayOutputStream.toByteArray();
}
}