1 /*

     2  * Copyright 2005 Sun Microsystems, Inc.  All Rights Reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  *

    26  *

    27  * A simple application used for tool unit tests. It does nothing else

    28  * bind to a TCP port and wait for a shutdown message.

    29  */

    30 import java.net.Socket;

    31 import java.net.ServerSocket;

    32 import java.io.File;

    33 import java.io.FileOutputStream;

    34 

    35 public class SimpleApplication {

    36     public static void main(String args[]) throws Exception {

    37         // bind to a random port

    38         ServerSocket ss = new ServerSocket(0);

    39         int port = ss.getLocalPort();

    40 

    41         // Write the port number to the given file

    42         File f = new File(args[0]);

    43         FileOutputStream fos = new FileOutputStream(f);

    44         fos.write( Integer.toString(port).getBytes("UTF-8") );

    45         fos.close();

    46 

    47         System.out.println("Application waiting on port: " + port);

    48         System.out.flush();

    49 

    50         // wait for test harness to connect

    51         Socket s = ss.accept();

    52         s.close();

    53         ss.close();

    54 

    55         System.out.println("Application shutdown.");

    56     }

    57 }