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 26 package jdk.incubator.http; 27 28 import java.io.IOException; 29 30 /** 31 * An exception used to signal the opening handshake failed. 32 * {@Incubating} 33 * 34 * @since 9 35 */ 36 public 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 }