content: /*
   * Copyright (c) 2002, 2020, Oracle and/or its affiliates.
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License, version 2.0, as published by the
   * Free Software Foundation.
   *
   * This program is also distributed with certain software (including but not
   * limited to OpenSSL) that is licensed under separate terms, as designated in a
   * particular file or component or in included license documentation. The
   * authors of MySQL hereby grant you an additional permission to link the
   * program and your derivative works with the separately licensed software that
   * they have included with MySQL.
   *
   * Without limiting anything contained in the foregoing, this file, which is
   * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
   * version 1.0, a copy of which can be found at
   * http://oss.oracle.com/licenses/universal-foss-exception.
   *
   * This program is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
   * for more details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
   */
  
  package com.mysql.jdbc;
  
  import java.io.IOException;
  import java.net.Socket;
  import java.net.SocketException;
  import java.util.Properties;
  
  /**
   * Interface to allow pluggable socket creation in the driver
   * 
   * @deprecated Use {@link com.mysql.cj.protocol.SocketFactory} instead.
   */
  @Deprecated
  public interface SocketFactory {
  
      /**
       * Called by the driver after issuing the MySQL protocol handshake and
       * reading the results of the handshake.
       * 
       * @throws SocketException
       *             if a socket error occurs
       * @throws IOException
       *             if an I/O error occurs
       * 
       * @return the socket to use after the handshake
       */
      Socket afterHandshake() throws SocketException, IOException;
  
      /**
       * Called by the driver before issuing the MySQL protocol handshake. Should
       * return the socket instance that should be used during the handshake.
       * 
       * @throws SocketException
       *             if a socket error occurs
       * @throws IOException
       *             if an I/O error occurs
       * 
       * @return the socket to use before the handshake
       */
      Socket beforeHandshake() throws SocketException, IOException;
  
      /**
       * Creates a new socket using the given properties. Properties are parsed by
       * the driver from the URL. All properties other than sensitive ones (user
       * and password) are passed to this method. The driver will instantiate the
       * socket factory with the class name given in the property
       * &quot;socketFactory&quot;, where the standard is <code>com.mysql.jdbc.StandardSocketFactory</code> Implementing classes
       * are responsible for handling synchronization of this method (if needed).
       * 
       * @param host
       *            the hostname passed in the JDBC URL. It will be a single
       *            hostname, as the driver parses multi-hosts (for failover) and
       *            calls this method for each host connection attempt.
       * 
       * @param portNumber
       *            the port number to connect to (if required).
       * 
       * @param props
       *            properties passed to the driver via the URL and/or properties
       *            instance.
       * 
       * @return a socket connected to the given host
       * @throws SocketException
       *             if a socket error occurs
       * @throws IOException
       *             if an I/O error occurs
       */
      Socket connect(String host, int portNumber, Properties props) throws SocketException, IOException;
  }
  