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 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package jdk.incubator.http;

import java.io.IOException;

An exception used to signal the opening handshake failed.
{@Incubating}
Since:
9/**
 * An exception used to signal the opening handshake failed.
 * {@Incubating}
 *
 * @since 9
 */
public final class WebSocketHandshakeException extends IOException {

    private static final long serialVersionUID = 1L;

    private final transient HttpResponse<?> response;

    public WebSocketHandshakeException(HttpResponse<?> response) {
        this.response = response;
    }

    
Returns the server's counterpart of the opening handshake.
 The value may be unavailable (null) if this exception has been serialized and then read back in. 
Returns:
server response/**
     * Returns the server's counterpart of the opening handshake.
     *
     * <p> The value may be unavailable ({@code null}) if this exception has
     * been serialized and then read back in.
     *
     * @return server response
     */
    public HttpResponse<?> getResponse() {
        return response;
    }

    @Override
    public WebSocketHandshakeException initCause(Throwable cause) {
        return (WebSocketHandshakeException) super.initCause(cause);
    }
}