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1   /*
2    * Copyright 2014 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.netty.handler.ssl;
17  
18  import java.util.List;
19  
20  /**
21   * Interface to support Application Protocol Negotiation.
22   * <p>
23   * Default implementations are provided for:
24   * <ul>
25   * <li><a href="https://technotes.googlecode.com/git/nextprotoneg.html">Next Protocol Negotiation</a></li>
26   * <li><a href="https://tools.ietf.org/html/rfc7301">Application-Layer Protocol Negotiation</a></li>
27   * </ul>
28   *
29   * @deprecated use {@link ApplicationProtocolConfig}
30   */
31  @SuppressWarnings("deprecation")
32  public interface ApplicationProtocolNegotiator {
33      /**
34       * Get the collection of application protocols supported by this application (in preference order).
35       */
36      List<String> protocols();
37  }