com.mchange.v1.db.sql.SchemaManager Maven / Gradle / Ivy
/*
* Distributed as part of mchange-commons-java 0.2.11
*
* Copyright (C) 2015 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of EITHER:
*
* 1) The GNU Lesser General Public License (LGPL), version 2.1, as
* published by the Free Software Foundation
*
* OR
*
* 2) The Eclipse Public License (EPL), version 1.0
*
* You may choose which license to accept if you wish to redistribute
* or modify this work. You may offer derivatives of this work
* under the license you have chosen, or you may provide the same
* choice of license which you have been offered here.
*
* This software 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.
*
* You should have received copies of both LGPL v2.1 and EPL v1.0
* along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
* If not, the text of these licenses are currently available at
*
* LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php
*
*/
package com.mchange.v1.db.sql;
import java.sql.*;
import com.mchange.v1.util.*;
import com.mchange.util.CommandLineParser;
import com.mchange.util.impl.CommandLineParserImpl;
public class SchemaManager
{
final static String[] VALID = new String[] {"create", "drop"};
public static void main(String[] argv)
{
Connection con = null;
try
{
CommandLineParser clp = new CommandLineParserImpl(argv, VALID, null, null);
boolean create = clp.checkSwitch("create");
if (!clp.checkArgv()) usage();
if (! (create ^ clp.checkSwitch("drop"))) usage();
String[] unswitched = clp.findUnswitchedArgs();
if (unswitched.length == 2)
con = DriverManager.getConnection(unswitched[0]);
else if (unswitched.length == 4)
con = DriverManager.getConnection(unswitched[0], unswitched[1], unswitched[2]);
else
usage();
con.setAutoCommit(false);
Schema s = (Schema) (Class.forName(unswitched[unswitched.length - 1]).newInstance());
if (create)
{
s.createSchema(con);
System.out.println("Schema created.");
}
else
{
s.dropSchema(con);
System.out.println("Schema dropped.");
}
}
catch (Exception e)
{e.printStackTrace();}
finally
{CleanupUtils.attemptClose(con);}
}
static void usage()
{
System.err.println("java -Djdbc.drivers= com.mchange.v1.db.sql.SchemaManager" +
" [-create | -drop] [ ] ");
System.exit(-1);
}
}