【Java开源代码栏目提醒】:本文主要为网学会员提供TimezoneDump.java,希望对需要TimezoneDump.java网友有所帮助,学习一下!
/*
Copyright (C) 2002-2004 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation.
There are special exceptions to the terms and conditions of the GPL
as it is applied to this software. View the full text of the
exception in file EXCEPTIONS-CONNECTOR-J in the directory of this
software distribution.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.mysql.jdbc.util;
import com.mysql.jdbc.TimeUtil;
import java.sql.DriverManager;
import java.sql.ResultSet;
/**
* 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
*/
public class TimezoneDump {
// ~ Static fields/initializers
// ---------------------------------------------
private static final String DEFAULT_URL = "jdbc:mysql:///test";
// ~ Constructors
// -----------------------------------------------------------
/**
* Constructor for TimezoneDump.
*/
public TimezoneDump() {
super();
}
// ~ 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
*/
public static void main(String[] args) throws Exception {
String jdbcUrl = DEFAULT_URL;
if ((args.length == 1) && (args[0] != null)) {
jdbcUrl = args[0];
}
Class.forName("com.mysql.jdbc.Driver").newInstance();
ResultSet 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);
System.out.println("Java timezone name: " + canonicalTimezone);
}
}
}
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