JDBC4ClientInfoProviderSP.java
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/*
Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, 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
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
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.jdbc;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLClientInfoException;
import java.util.Enumeration;
import java.util.Properties;
public class JDBC4ClientInfoProviderSP implements JDBC4ClientInfoProvider {
PreparedStatement setClientInfoSp;
PreparedStatement getClientInfoSp;
PreparedStatement getClientInfoBulkSp;
public synchronized void initialize(java.sql.Connection conn, Properties configurationProps) throws SQLException {
String identifierQuote = conn.getMetaData().getIdentifierQuoteString();
String setClientInfoSpName = configurationProps.getProperty("clientInfoSetSPName", "setClientInfo");
String getClientInfoSpName = configurationProps.getProperty("clientInfoGetSPName", "getClientInfo");
String getClientInfoBulkSpName = configurationProps.getProperty("clientInfoGetBulkSPName", "getClientInfoBulk");
String clientInfoCatalog = configurationProps.getProperty("clientInfoCatalog", ""); // "" means use current from
// connection
String catalog = "".equals(clientInfoCatalog) ? conn.getCatalog() : clientInfoCatalog;
this.setClientInfoSp = ((com.mysql.jdbc.Connection) conn).clientPrepareStatement(
"CALL " + identifierQuote + catalog + identifierQuote + "." + identifierQuote + setClientInfoSpName + identifierQuote + "(?, ?)");
this.getClientInfoSp = ((com.mysql.jdbc.Connection) conn).clientPrepareStatement(
"CALL" + identifierQuote + catalog + identifierQuote + "." + identifierQuote + getClientInfoSpName + identifierQuote + "(?)");
this.getClientInfoBulkSp = ((com.mysql.jdbc.Connection) conn).clientPrepareStatement(
"CALL " + identifierQuote + catalog + identifierQuote + "." + identifierQuote + getClientInfoBulkSpName + identifierQuote + "()");
}
public synchronized void destroy() throws SQLException {
if (this.setClientInfoSp != null) {
this.setClientInfoSp.close();
this.setClientInfoSp = null;
}
if (this.getClientInfoSp != null) {
this.getClientInfoSp.close();
this.getClientInfoSp = null;
}
if (this.getClientInfoBulkSp != null) {
this.getClientInfoBulkSp.close();
this.getClientInfoBulkSp = null;
}
}
public synchronized Properties getClientInfo(java.sql.Connection conn) throws SQLException {
ResultSet rs = null;
Properties props = new Properties();
try {
this.getClientInfoBulkSp.execute();
rs = this.getClientInfoBulkSp.getResultSet();
while (rs.next()) {
props.setProperty(rs.getString(1), rs.getString(2));
}
} finally {
if (rs != null) {
rs.close();
}
}
return props;
}
public synchronized String getClientInfo(java.sql.Connection conn, String name) throws SQLException {
ResultSet rs = null;
String clientInfo = null;
try {
this.getClientInfoSp.setString(1, name);
this.getClientInfoSp.execute();
rs = this.getClientInfoSp.getResultSet();
if (rs.next()) {
clientInfo = rs.getString(1);
}
} finally {
if (rs != null) {
rs.close();
}
}
return clientInfo;
}
public synchronized void setClientInfo(java.sql.Connection conn, Properties properties) throws SQLClientInfoException {
try {
Enumeration<?> propNames = properties.propertyNames();
while (propNames.hasMoreElements()) {
String name = (String) propNames.nextElement();
String value = properties.getProperty(name);
setClientInfo(conn, name, value);
}
} catch (SQLException sqlEx) {
SQLClientInfoException clientInfoEx = new SQLClientInfoException();
clientInfoEx.initCause(sqlEx);
throw clientInfoEx;
}
}
public synchronized void setClientInfo(java.sql.Connection conn, String name, String value) throws SQLClientInfoException {
try {
this.setClientInfoSp.setString(1, name);
this.setClientInfoSp.setString(2, value);
this.setClientInfoSp.execute();
} catch (SQLException sqlEx) {
SQLClientInfoException clientInfoEx = new SQLClientInfoException();
clientInfoEx.initCause(sqlEx);
throw clientInfoEx;
}
}
}