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1   /*
2    * Copyright 2013 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.ssl;
17  
18  import javax.net.ssl.SSLSession;
19  
20  /**
21   * Event that is fired once the SSL handshake is complete, which may be because it was successful or there
22   * was an error.
23   */
24  public final class SslHandshakeCompletionEvent extends SslCompletionEvent {
25      private final String applicationProtocol;
26  
27      /**
28       * Creates a new event that indicates a successful handshake.
29       *
30       * @param session               the {@link SSLSession} for the handshake.
31       * @param applicationProtocol   the application protocol that was selected (if any).
32       */
33      public SslHandshakeCompletionEvent(SSLSession session, String applicationProtocol) {
34          super(session);
35          this.applicationProtocol = applicationProtocol;
36      }
37  
38      /**
39       * Creates a new event that indicates an unsuccessful handshake.
40       *
41       * @param session               the {@link SSLSession} for the handshake.
42       * @param applicationProtocol   the application protocol that was selected (if any).
43       * @param cause                 the cause of the failure.
44       */
45      public SslHandshakeCompletionEvent(SSLSession session, String applicationProtocol, Throwable cause) {
46          super(session, cause);
47          this.applicationProtocol = applicationProtocol;
48      }
49  
50      /**
51       * Creates a new event that indicates an unsuccessful handshake.
52       *
53       * @param cause the cause of the failure.
54       */
55      public SslHandshakeCompletionEvent(Throwable cause) {
56          this(null, null, cause);
57      }
58  
59      /**
60       * Returns the {@link SSLSession} in case of {@link #isSuccess()} to be {@code true}, {@code null} in case of a
61       * failure.
62       *
63       * @return the session.
64       */
65      @Override
66      public SSLSession session() {
67          return super.session();
68      }
69  
70      /**
71       * Return the application protocol that was selected or {@code null} if none was selected.
72       *
73       * @return the application protocol.
74       */
75      public String applicationProtocol() {
76          return applicationProtocol;
77      }
78  }