/*

 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 *

 */

public class Sleeper {

   private static final String USAGE = "Sleeper [ms]";

   public static void main(String argv[]) {

      long sleep = Long.MAX_VALUE;   // sleep indefinately if no arg is given

      // if argv[0] is present, use it to set the sleep time. ignore

      // all other arguments - some tests pass additional arguments to

      // differentiate or associate multiple sleeper processes.

      if (argv.length >= 1) {

        try {

          sleep = Long.parseLong(argv[0]);

        }

        catch (NumberFormatException e) {

          System.err.println(USAGE);

          System.exit(1);

        }

      }

      try { Thread.sleep(sleep); } catch (InterruptedException e) {};

   }

}