1 /*

     2  * Copyright (c) 2006, 2012, 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.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

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

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

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

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

    15  * accompanied this code).

    16  *

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

    18  * 2 along with this work; if not, write to the Free Software Foundation,

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

    20  *

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

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

    23  * questions.

    24  */

    25 

    26 package sun.security.ssl;

    27 

    28 import java.io.IOException;

    29 

    30 final class UnknownExtension extends HelloExtension {

    31 

    32     private final byte[] data;

    33 

    34     UnknownExtension(HandshakeInStream s, int len, ExtensionType type)

    35             throws IOException {

    36         super(type);

    37         data = new byte[len];

    38         // s.read() does not handle 0-length arrays.

    39         if (len != 0) {

    40             s.read(data);

    41         }

    42     }

    43 

    44     @Override

    45     int length() {

    46         return 4 + data.length;

    47     }

    48 

    49     @Override

    50     void send(HandshakeOutStream s) throws IOException {

    51         s.putInt16(type.id);

    52         s.putBytes16(data);

    53     }

    54 

    55     @Override

    56     public String toString() {

    57         return "Unsupported extension " + type + ", data: " +

    58             Debug.toString(data);

    59     }

    60 }