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JDBC Driver for Google Cloud Spanner

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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:
 *
 *   http://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 nl.topicus.jdbc.shaded.io.netty.handler.ssl;

import nl.topicus.jdbc.shaded.io.netty.buffer.ByteBufAllocator;

import java.security.cert.Certificate;

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 ciphers, CipherSuiteFilter cipherFilter, ApplicationProtocolConfig apnCfg,
                   long sessionCacheSize, long sessionTimeout, int mode, Certificate[] keyCertChain,
                   ClientAuth clientAuth, String[] protocols, boolean startTls, boolean enableOcsp)
            throws SSLException {
        super(ciphers, cipherFilter, apnCfg, sessionCacheSize, sessionTimeout, mode, keyCertChain,
                clientAuth, protocols, startTls, enableOcsp, false);
    }

    OpenSslContext(Iterable ciphers, CipherSuiteFilter cipherFilter,
                   OpenSslApplicationProtocolNegotiator apn, long sessionCacheSize,
                   long sessionTimeout, int mode, Certificate[] keyCertChain,
                   ClientAuth clientAuth, String[] protocols, boolean startTls,
                   boolean enableOcsp) throws SSLException {
        super(ciphers, cipherFilter, apn, sessionCacheSize, sessionTimeout, mode, keyCertChain, clientAuth, protocols,
                startTls, enableOcsp, false);
    }

    @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);
    }
}