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   /*
    * Copyright 2014 The Netty Project
    *
    * The Netty Project licenses this file to you under the Apache License,
    * version 2.0 (the "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at:
    *
    *   https://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  package io.netty.handler.ssl;
  
  import io.netty.buffer.ByteBufAllocator;
  
  import java.security.cert.Certificate;
  import java.util.Map;
  
  import javax.net.ssl.SSLEngine;
  import javax.net.ssl.SSLException;
  
  /**
   * This class will use a finalizer to ensure native resources are automatically cleaned up. To avoid finalizers
   * and manually release the native memory see {@link ReferenceCountedOpenSslContext}.
   */
  public abstract class OpenSslContext extends ReferenceCountedOpenSslContext {
      OpenSslContext(Iterable<String> ciphers, CipherSuiteFilter cipherFilter, ApplicationProtocolConfig apnCfg,
                     int mode, Certificate[] keyCertChain,
                     ClientAuth clientAuth, String[] protocols, boolean startTls, boolean enableOcsp,
                     Map.Entry<SslContextOption<?>, Object>... options)
              throws SSLException {
          super(ciphers, cipherFilter, toNegotiator(apnCfg), mode, keyCertChain,
                  clientAuth, protocols, startTls, enableOcsp, false, options);
      }
  
      OpenSslContext(Iterable<String> ciphers, CipherSuiteFilter cipherFilter, OpenSslApplicationProtocolNegotiator apn,
                     int mode, Certificate[] keyCertChain,
                     ClientAuth clientAuth, String[] protocols, boolean startTls, boolean enableOcsp,
                     Map.Entry<SslContextOption<?>, Object>... options)
              throws SSLException {
          super(ciphers, cipherFilter, apn, mode, keyCertChain,
                  clientAuth, protocols, startTls, enableOcsp, false, options);
      }
  
      @Override
      final SSLEngine newEngine0(ByteBufAllocator alloc, String peerHost, int peerPort, boolean jdkCompatibilityMode) {
          return new OpenSslEngine(this, alloc, peerHost, peerPort, jdkCompatibilityMode);
      }
  
      @Override
      @SuppressWarnings("FinalizeDeclaration")
      protected final void finalize() throws Throwable {
          super.finalize();
          OpenSsl.releaseIfNeeded(this);
      }
  }