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 Copyright (c) 2002, 2011, 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

  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.util;

import java.sql.DriverManager;
import java.sql.ResultSet;

import com.mysql.jdbc.TimeUtil;

 * Dumps the timezone of the MySQL server represented by the JDBC url given on
 * the commandline (or localhost/test if none provided).
 * @author Mark Matthews
00039 public class TimezoneDump {
      // ~ Static fields/initializers
      // ---------------------------------------------

      private static final String DEFAULT_URL = "jdbc:mysql:///test";

      // ~ Constructors
      // -----------------------------------------------------------

       * Constructor for TimezoneDump.
00051       public TimezoneDump() {

      // ~ Methods
      // ----------------------------------------------------------------

       * Entry point for program when called from the command line.
       * @param args
       *            command-line args. Arg 1 is JDBC URL.
       * @throws Exception
       *             if any errors occur
00066       public static void main(String[] args) throws Exception {
            String jdbcUrl = DEFAULT_URL;

            if ((args.length == 1) && (args[0] != null)) {
                  jdbcUrl = args[0];


            ResultSet rs = null;
            try {
                  rs = DriverManager.getConnection(jdbcUrl).createStatement().executeQuery("SHOW VARIABLES LIKE 'timezone'");

                  while (rs.next()) {
                        String timezoneFromServer = rs.getString(2);
                        System.out.println("MySQL timezone name: " + timezoneFromServer);
                        String canonicalTimezone = TimeUtil
                                    .getCanoncialTimezone(timezoneFromServer, null);
                        System.out.println("Java timezone name: " + canonicalTimezone);
            } finally {
                  if (rs != null) {

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