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The Grinder HTTP plugin.

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// Copyright (C) 2000 Phil Dawes
// Copyright (C) 2000, 2001, 2002, 2003 Philip Aston
// All rights reserved.
//
// This file is part of The Grinder software distribution. Refer to
// the file LICENSE which is part of The Grinder distribution for
// licensing details. The Grinder distribution is available on the
// Internet at http://grinder.sourceforge.net/
//
// 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 HOLDERS 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 net.grinder.tools.tcpproxy;

import java.io.IOException;
import java.net.ConnectException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;



/**
 * {@link TCPProxySocketFactory} for plain connections.
 *
 * @author Philip Aston
 */
final class TCPProxySocketFactoryImplementation
  implements TCPProxySocketFactory {

  /**
   * Factory method for server sockets.
   *
   * @param localEndPoint Local host and port.
   * @param timeout Socket timeout.
   * @return A new ServerSocket.
   * @exception IOException If an error occurs.
   */
  public ServerSocket createServerSocket(EndPoint localEndPoint, int timeout)
    throws IOException {

    final ServerSocket socket =
      new ServerSocket(localEndPoint.getPort(), 50,
                       InetAddress.getByName(localEndPoint.getHost()));

    socket.setSoTimeout(timeout);

    return socket;
  }

  /**
   * Factory method for client sockets.
   *
   * @param remoteEndPoint Remote host and port.
   * @return A new Socket.
   * @exception IOException If an error occurs.
   */
  public Socket createClientSocket(EndPoint remoteEndPoint)
    throws IOException {

    try {
      return new Socket(remoteEndPoint.getHost(), remoteEndPoint.getPort());
    }
    catch (ConnectException e) {
      throw new VerboseConnectException(e, remoteEndPoint.toString());
    }
  }
}