1 /*

     2  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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

    21  * questions.

    22  */

    23 

    24 /**

    25  * Utility class for tests. A simple "in-thread" server to accept connections

    26  * and write bytes.

    27  * @author kladko

    28  */

    29 

    30 import java.net.Socket;

    31 import java.net.ServerSocket;

    32 import java.net.SocketAddress;

    33 import java.net.InetSocketAddress;

    34 import java.io.IOException;

    35 import java.io.Closeable;

    36 

    37 public class ByteServer implements Closeable {

    38 

    39     private final ServerSocket ss;

    40     private Socket s;

    41 

    42     ByteServer() throws IOException {

    43         this.ss = new ServerSocket(0);

    44     }

    45 

    46     SocketAddress address() {

    47         return new InetSocketAddress(ss.getInetAddress(), ss.getLocalPort());

    48     }

    49 

    50     void acceptConnection() throws IOException {

    51         if (s != null)

    52             throw new IllegalStateException("already connected");

    53         this.s = ss.accept();

    54     }

    55 

    56     void closeConnection() throws IOException {

    57         Socket s = this.s;

    58         if (s != null) {

    59             this.s = null;

    60             s.close();

    61         }

    62     }

    63 

    64     void write(int count) throws IOException {

    65         if (s == null)

    66             throw new IllegalStateException("no connection");

    67         s.getOutputStream().write(new byte[count]);

    68     }

    69 

    70     public void close() throws IOException {

    71         if (s != null)

    72             s.close();

    73         ss.close();

    74     }

    75 }