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1   /*
2    * Copyright 2020 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty5.handler.codec.http.websocketx;
17  
18  import io.netty5.handler.codec.http.DefaultHttpRequest;
19  import io.netty5.handler.codec.http.FullHttpRequest;
20  import io.netty5.handler.codec.http.HttpRequest;
21  import io.netty5.util.ReferenceCounted;
22  
23  /**
24   * Server exception during handshaking process.
25   *
26   * <p><b>IMPORTANT</b>: This exception does not contain any {@link ReferenceCounted} fields
27   * e.g. {@link FullHttpRequest}, so no special treatment is needed.
28   */
29  public final class WebSocketServerHandshakeException extends WebSocketHandshakeException {
30  
31      private static final long serialVersionUID = 1L;
32  
33      private final HttpRequest request;
34  
35      public WebSocketServerHandshakeException(String message) {
36          this(message, null);
37      }
38  
39      public WebSocketServerHandshakeException(String message, HttpRequest httpRequest) {
40          super(message);
41          if (httpRequest != null) {
42              request = new DefaultHttpRequest(httpRequest.protocolVersion(), httpRequest.method(),
43                                               httpRequest.uri(), httpRequest.headers());
44          } else {
45              request = null;
46          }
47      }
48  
49      /**
50       * Returns a {@link HttpRequest request} if exception occurs during request validation otherwise {@code null}.
51       */
52      public HttpRequest request() {
53          return request;
54      }
55  }