io.logspace.jvm.agent.shaded.quartz.impl.jdbcjobstore.oracle.weblogic.WebLogicOracleDelegate Maven / Gradle / Ivy
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/*
* Copyright 2001-2009 Terracotta, Inc. Inc.
*
* Licensed 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 io.logspace.jvm.agent.shaded.quartz.impl.jdbcjobstore.oracle.weblogic;
import io.logspace.jvm.agent.shaded.slf4j.Logger;
import io.logspace.jvm.agent.shaded.quartz.impl.jdbcjobstore.oracle.OracleDelegate;
import io.logspace.jvm.agent.shaded.quartz.spi.ClassLoadHelper;
import java.lang.reflect.Method;
import java.sql.Blob;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* Handle Blobs correctly when Oracle is being used inside of Weblogic 8.1,
* as discussed at: http://edocs.bea.com/wls/docs81/jdbc/thirdparty.html#1043705
*
* @see io.logspace.jvm.agent.shaded.quartz.impl.jdbcjobstore.WebLogicDelegate
* @author James House
* @author Igor Fedulov [email protected]
*/
public class WebLogicOracleDelegate extends OracleDelegate {
/**
* Check for the Weblogic Blob wrapper, and handle accordingly...
*/
@Override
protected Blob writeDataToBlob(ResultSet rs, int column, byte[] data) throws SQLException {
Blob blob = rs.getBlob(column);
if (blob == null) {
throw new SQLException("Driver's Blob representation is null!");
}
// handle thin driver's blob
if (blob instanceof weblogic.jdbc.vendor.oracle.OracleThinBlob) {
((weblogic.jdbc.vendor.oracle.OracleThinBlob) blob).putBytes(1, data);
return blob;
} else if(blob.getClass().getPackage().getName().startsWith("weblogic.")) {
// (more slowly) handle blob for wrappers of other variations of drivers...
try {
// try to find putBytes method...
Method m = blob.getClass().getMethod("putBytes", new Class[] {long.class, byte[].class});
m.invoke(blob, new Object[] {new Long(1), data});
} catch (Exception e) {
try {
// Added this logic to the original code from OpenSymphony
// putBytes method does not exist. Try setBytes
Method m = blob.getClass().getMethod("setBytes", new Class[] { long.class, byte[].class });
m.invoke(blob, new Object[] { new Long(1), data });
} catch (Exception e2) {
throw new SQLException("Unable to find putBytes(long,byte[]) or setBytes(long,byte[]) methods on blob: " + e2);
}
}
return blob;
} else {
return super.writeDataToBlob(rs, column, data);
}
}
}