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
17 package io.netty.handler.ssl;
18
19 import io.netty.util.ReferenceCounted;
20 import io.netty.util.internal.UnstableApi;
21
22 /**
23 * An enumeration of SSL/TLS protocol providers.
24 */
25 public enum SslProvider {
26 /**
27 * JDK's default implementation.
28 */
29 JDK,
30 /**
31 * OpenSSL-based implementation.
32 */
33 OPENSSL,
34 /**
35 * OpenSSL-based implementation which does not have finalizers and instead implements {@link ReferenceCounted}.
36 */
37 @UnstableApi
38 OPENSSL_REFCNT
39 }