/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.core.net.ssl;
  
  import java.io.IOException;
  import java.net.InetAddress;
  import java.net.Socket;
  import java.net.UnknownHostException;
  
  import javax.net.SocketFactory;
  import javax.net.ssl.SSLParameters;
  import javax.net.ssl.SSLSocket;
  import javax.net.ssl.SSLSocketFactory;
  
  /**
   * An {@link SSLSocketFactory} that configures SSL parameters (those covered by
   * {@link SSLParameters}) on each newly created socket.
   * <p>
   * When any of this factory's {@code createSocket} methods are invoked, it calls
   * on a {@link SSLSocketFactory} delegate to create the socket, and then sets
   * the SSL parameters of the socket (using the provided configuration) before
   * returning the socket to the caller.
   *
   * @author Carl Harris
   */
  public class ConfigurableSSLSocketFactory extends SocketFactory {
  
      private final SSLParametersConfiguration parameters;
      private final SSLSocketFactory delegate;
  
      /**
       * Creates a new factory.
       * 
       * @param parameters parameters that will be configured on each socket created
       *                   by the factory
       * @param delegate   socket factory that will be called upon to create sockets
       *                   before configuration
       */
      public ConfigurableSSLSocketFactory(SSLParametersConfiguration parameters, SSLSocketFactory delegate) {
          this.parameters = parameters;
          this.delegate = delegate;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort)
              throws IOException {
          SSLSocket socket = (SSLSocket) delegate.createSocket(address, port, localAddress, localPort);
          parameters.configure(new SSLConfigurableSocket(socket));
          return socket;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public Socket createSocket(InetAddress host, int port) throws IOException {
          SSLSocket socket = (SSLSocket) delegate.createSocket(host, port);
          parameters.configure(new SSLConfigurableSocket(socket));
          return socket;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public Socket createSocket(String host, int port, InetAddress localHost, int localPort)
              throws IOException, UnknownHostException {
          SSLSocket socket = (SSLSocket) delegate.createSocket(host, port, localHost, localPort);
          parameters.configure(new SSLConfigurableSocket(socket));
          return socket;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public Socket createSocket(String host, int port) throws IOException, UnknownHostException {
          SSLSocket socket = (SSLSocket) delegate.createSocket(host, port);
          parameters.configure(new SSLConfigurableSocket(socket));
          return socket;
      }
  
  }