1/*
2 * Copyright (c) 2015, 2016, 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
26package jdk.incubator.http;
27
28import java.io.IOException;
29
30/**
31 * An exception used to signal the opening handshake failed.
32 * {@Incubating}
33 *
34 * @since 9
35 */
36public final class WebSocketHandshakeException extends IOException {
37
38    private static final long serialVersionUID = 1L;
39
40    private final transient HttpResponse<?> response;
41
42    public WebSocketHandshakeException(HttpResponse<?> response) {
43        this.response = response;
44    }
45
46    /**
47     * Returns the server's counterpart of the opening handshake.
48     *
49     * <p> The value may be unavailable ({@code null}) if this exception has
50     * been serialized and then read back in.
51     *
52     * @return server response
53     */
54    public HttpResponse<?> getResponse() {
55        return response;
56    }
57
58    @Override
59    public WebSocketHandshakeException initCause(Throwable cause) {
60        return (WebSocketHandshakeException) super.initCause(cause);
61    }
62}
63