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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 io.netty.util.internal.SuppressJava6Requirement;
19  
20  import javax.net.ssl.SSLParameters;
21  import java.security.AlgorithmConstraints;
22  
23  final class Java7SslParametersUtils {
24  
25      private Java7SslParametersUtils() {
26          // Utility
27      }
28  
29      /**
30       * Utility method that is used by {@link OpenSslEngine} and so allow use not have any reference to
31       * {@link AlgorithmConstraints} in the code. This helps us to not get into trouble when using it in java
32       * version < 7 and especially when using on android.
33       */
34      @SuppressJava6Requirement(reason = "Usage guarded by java version check")
35      static void setAlgorithmConstraints(SSLParameters sslParameters, Object algorithmConstraints) {
36          sslParameters.setAlgorithmConstraints((AlgorithmConstraints) algorithmConstraints);
37      }
38  
39      /**
40       * Utility method for calling the {@code setEndpointIdentitificationAlgorithm} method,
41       * which was introduced in Java 7.
42       */
43      @SuppressJava6Requirement(reason = "Usage guarded by java version check")
44      static void setEndpointIdentificationAlgorithm(
45              SSLParameters sslParameters, String endpointIdentificationAlgorithm) {
46          sslParameters.setEndpointIdentificationAlgorithm(endpointIdentificationAlgorithm);
47      }
48  }