?? weblogicoracledelegate.java
字號:
/* * Copyright 2004-2005 OpenSymphony * * 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. * *//* * Previously Copyright (c) 2001-2004 James House */package org.quartz.impl.jdbcjobstore.oracle.weblogic;import org.apache.commons.logging.Log;import org.quartz.impl.jdbcjobstore.oracle.OracleDelegate;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 org.quartz.impl.jdbcjobstore.WebLogicDelegate * @author James House * @author Igor Fedulov <a href="mailto:igor@fedulov.com">igor@fedulov.com</a> */public class WebLogicOracleDelegate extends OracleDelegate { /** * <p> * Create new WebLogicOracleDelegate instance. * </p> * * @param logger * the logger to use during execution * @param tablePrefix * the prefix of all table names */ public WebLogicOracleDelegate(Log logger, String tablePrefix, String instanceId) { super(logger, tablePrefix, instanceId); } /** * <p> * Create new WebLogicOracleDelegate instance. * </p> * * @param logger * the logger to use during execution * @param tablePrefix * the prefix of all table names * @param useProperties * use java.util.Properties for storage */ public WebLogicOracleDelegate(Log logger, String tablePrefix, String instanceId, Boolean useProperties) { super(logger, tablePrefix, instanceId, useProperties); } /** * Check for the Weblogic Blob wrapper, and handle accordingly... */ 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; } // (more slowly) handle blob for wrappers of other variations of drivers... else if(blob.getClass().getPackage().getName().startsWith("weblogic.")) { 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) { throw new SQLException("Unable to find putBytes(long,byte[]) method on blob: " + e); } return blob; } else { return super.writeDataToBlob(rs, column, data); } }}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -