content: /**
   * Copyright (c) 2018-2019, Mihai Emil Andronache
   * All rights reserved.
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   * 1)Redistributions of source code must retain the above copyright notice,
   * this list of conditions and the following disclaimer.
   * 2)Redistributions in binary form must reproduce the above copyright notice,
   * this list of conditions and the following disclaimer in the documentation
   * and/or other materials provided with the distribution.
   * 3)Neither the name of docker-java-api nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  package com.amihaiemil.docker;
  
  import java.io.File;
  import java.io.IOException;
  import java.net.InetSocketAddress;
  import java.net.Socket;
  import jnr.unixsocket.UnixSocketAddress;
  import jnr.unixsocket.UnixSocketChannel;
  import org.apache.http.HttpHost;
  import org.apache.http.conn.socket.ConnectionSocketFactory;
  import org.apache.http.protocol.HttpContext;
  
  /**
   * Provides unix sockets connecting to a given unix socket file.
   *
   * @author George Aristy (george.aristy@gmail.com)
   * @version $Id: 7ec517379d08237d80f4d7d610c43ac6bb13b0ad $
   * @since 0.0.1
   * @checkstyle ParameterNumber (100 lines)
   */
  public final class UnixSocketFactory implements ConnectionSocketFactory {
      /**
       * File pointing to the unix socket.
       */
      private final File unixSocket;
  
      /**
       * Ctor.
       * @param unixSocket File pointing to the unix socket.
       */
      public UnixSocketFactory(final File unixSocket) {
          this.unixSocket = unixSocket;
      }
  
      @Override
      public Socket createSocket(final HttpContext context) throws IOException {
          return UnixSocketChannel.open().socket();
      }
  
      @Override
      public Socket connectSocket(final int connectTimeout, final Socket socket,
          final HttpHost host, final InetSocketAddress remoteAddress,
          final InetSocketAddress localAddress, final HttpContext context)
          throws IOException {
          socket.setSoTimeout(connectTimeout);
          socket.getChannel().connect(
              new UnixSocketAddress(this.unixSocket)
          );
          return socket;
      }
  }
  