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JDBC4ClientInfoProviderSP.java

/*
 Copyright (c) 2002, 2010, 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 FLOSS 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;

00034 public class JDBC4ClientInfoProviderSP implements JDBC4ClientInfoProvider {
      PreparedStatement setClientInfoSp;

      PreparedStatement getClientInfoSp;

      PreparedStatement getClientInfoBulkSp;

00041       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 + "()");
      }

00073       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;
            }
      }

00090       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;
      }

00113       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;
      }

00137       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;
            }
      }

00156       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;
            }
      }
}

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