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 * http://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 /**
19 * OpenSSL version of {@link ApplicationProtocolNegotiator}.
20 */
21 public interface OpenSslApplicationProtocolNegotiator extends ApplicationProtocolNegotiator {
22 // The current need for this interface is primarily for consistency with the JDK provider
23 // How the OpenSsl provider will provide extensibility to control the application selection
24 // and notification algorithms is not yet known (JNI, pure java, tcnative hooks, etc...).
25 // OpenSSL itself is currently not in compliance with the specification for the 2 supported
26 // protocols (ALPN, NPN) with respect to allowing the handshakes to fail during the application
27 // protocol negotiation process. Issue https://github.com/openssl/openssl/issues/188 has been created for this.
28 }