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MySQL JDBC Type 4 driver
/*
Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FOSS License Exception
.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
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 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.fabric.jdbc;
import java.sql.SQLException;
import java.util.Properties;
import com.mysql.fabric.FabricCommunicationException;
import com.mysql.jdbc.Connection;
import com.mysql.jdbc.ConnectionImpl;
import com.mysql.jdbc.ExceptionInterceptor;
import com.mysql.jdbc.MySQLConnection;
import com.mysql.jdbc.NonRegisteringDriver;
import com.mysql.jdbc.SQLError;
/**
* Relay the exception to {@link FabricMySQLConnectionProxy} for error reporting. This class exists solely because extensions cannot be provided with instances
* but instead require the connection to instantiate the provided class.
*/
public class ErrorReportingExceptionInterceptor implements ExceptionInterceptor {
private String hostname;
private String port;
private String fabricHaGroup;
public SQLException interceptException(SQLException sqlEx, Connection conn) {
MySQLConnection mysqlConn = (MySQLConnection) conn;
// don't intercept exceptions during initialization, before the proxy has a chance to setProxy() on the physical connection
if (ConnectionImpl.class.isAssignableFrom(mysqlConn.getMultiHostSafeProxy().getClass())) {
return null;
}
FabricMySQLConnectionProxy fabricProxy = (FabricMySQLConnectionProxy) mysqlConn.getMultiHostSafeProxy();
try {
return fabricProxy.interceptException(sqlEx, conn, this.fabricHaGroup, this.hostname, this.port);
} catch (FabricCommunicationException ex) {
return SQLError.createSQLException("Failed to report error to Fabric.", SQLError.SQL_STATE_COMMUNICATION_LINK_FAILURE, ex, null);
}
}
public void init(Connection conn, Properties props) throws SQLException {
this.hostname = props.getProperty(NonRegisteringDriver.HOST_PROPERTY_KEY);
this.port = props.getProperty(NonRegisteringDriver.PORT_PROPERTY_KEY);
String connectionAttributes = props.getProperty("connectionAttributes");
this.fabricHaGroup = connectionAttributes.replaceAll("^.*\\bfabricHaGroup:(.+)\\b.*$", "$1");
}
public void destroy() {
}
}