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Source Code for Connector/J 8.0.31 - User Impl
Where to get the Java source code for Connector/J 8.0 User Impl module?
✍: FYIcenter.com
Java source code files for Connector/J 8.0 User Impl module are:
⏎ com/mysql/cj/jdbc/WrapperBase.java
/* * Copyright (c) 2002, 2020, Oracle and/or its affiliates. * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License, version 2.0, as published by the * Free Software Foundation. * * This program is also distributed with certain software (including but not * limited to OpenSSL) that is licensed under separate terms, as designated in a * particular file or component or in included license documentation. The * authors of MySQL hereby grant you an additional permission to link the * program and your derivative works with the separately licensed software that * they have included with MySQL. * * Without limiting anything contained in the foregoing, this file, which is * part of MySQL Connector/J, is also subject to the Universal FOSS Exception, * version 1.0, a copy of which can be found at * http://oss.oracle.com/licenses/universal-foss-exception. * * 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 GNU General Public License, version 2.0, * for more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ package com.mysql.cj.jdbc; import java.lang.reflect.InvocationHandler; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.lang.reflect.Proxy; import java.sql.SQLException; import java.util.Map; import com.mysql.cj.exceptions.ExceptionInterceptor; import com.mysql.cj.exceptions.MysqlErrorNumbers; import com.mysql.cj.util.Util; /** * Base class for all wrapped instances created by LogicalHandle */ abstract class WrapperBase { protected MysqlPooledConnection pooledConnection; /** * Fires connection error event if required, before re-throwing exception * * @param sqlEx * the SQLException that has occurred * @throws SQLException * (rethrown) */ protected void checkAndFireConnectionError(SQLException sqlEx) throws SQLException { if (this.pooledConnection != null) { if (MysqlErrorNumbers.SQL_STATE_COMMUNICATION_LINK_FAILURE.equals(sqlEx.getSQLState())) { this.pooledConnection.callConnectionEventListeners(MysqlPooledConnection.CONNECTION_ERROR_EVENT, sqlEx); } } throw sqlEx; } protected Map<Class<?>, Object> unwrappedInterfaces = null; protected ExceptionInterceptor exceptionInterceptor; protected WrapperBase(MysqlPooledConnection pooledConnection) { this.pooledConnection = pooledConnection; this.exceptionInterceptor = this.pooledConnection.getExceptionInterceptor(); } protected class ConnectionErrorFiringInvocationHandler implements InvocationHandler { Object invokeOn = null; public ConnectionErrorFiringInvocationHandler(Object toInvokeOn) { this.invokeOn = toInvokeOn; } public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { if ("equals".equals(method.getName())) { // Let args[0] "unwrap" to its InvocationHandler if it is a proxy. return args[0].equals(this); } Object result = null; try { result = method.invoke(this.invokeOn, args); if (result != null) { result = proxyIfInterfaceIsJdbc(result, result.getClass()); } } catch (InvocationTargetException e) { if (e.getTargetException() instanceof SQLException) { checkAndFireConnectionError((SQLException) e.getTargetException()); } else { throw e; } } return result; } /** * Recursively checks for interfaces on the given object to determine * if it implements a java.sql interface, and if so, proxies the * instance so that we can catch and fire SQL errors. * * @param toProxy * object to be proxied * @param clazz * desired class * @return proxy object */ private Object proxyIfInterfaceIsJdbc(Object toProxy, Class<?> clazz) { Class<?>[] interfaces = clazz.getInterfaces(); for (Class<?> iclass : interfaces) { String packageName = Util.getPackageName(iclass); if ("java.sql".equals(packageName) || "javax.sql".equals(packageName)) { return Proxy.newProxyInstance(toProxy.getClass().getClassLoader(), interfaces, new ConnectionErrorFiringInvocationHandler(toProxy)); } return proxyIfInterfaceIsJdbc(toProxy, iclass); } return toProxy; } } }
⏎ com/mysql/cj/jdbc/WrapperBase.java
Or download all of them as a single archive file:
File name: mysql-connector-java-user-impl-8.0.31.zip File size: 429580 bytes Release date: 2022-09-03 Download
⇒ Downloading mysql-connector-java-5.1.40.zip
⇐ Source Code for Connector/J 8.0.31 - User API
2023-05-09, 7648👍, 0💬
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