/*
* $Header: /home/cvs/jakarta-commons/httpclient/src/java/org/apache/commons/httpclient/protocol/ProtocolSocketFactory.java,v 1.5.2.2 2004/02/22 18:21:16 olegk Exp $
* $Revision: 1.5.2.2 $
* $Date: 2004/02/22 18:21:16 $
*
* ====================================================================
*
* Copyright 2002-2004 The Apache Software Foundation
*
* Licensed 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* [Additional notices, if required by prior licensing conditions]
*
*/
package org.apache.commons.httpclient.protocol;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
/**
* A factory for creating Sockets.
*
* <p>Both {@link java.lang.Object#equals(java.lang.Object) Object.equals()} and
* {@link java.lang.Object#hashCode() Object.hashCode()} should be overridden appropriately.
* Protocol socket factories are used to uniquely identify <code>Protocol</code>s and
* <code>HostConfiguration</code>s, and <code>equals()</code> and <code>hashCode()</code> are
* required for the correct operation of some connection managers.</p>
*
* @see Protocol
*
* @author Michael Becke
* @author <a href="mailto:[email protected]">Mike Bowler</a>
*
* @since 2.0
*/
public interface ProtocolSocketFactory {
/**
* Gets a new socket connection to the given host.
*
* @param host the host name/IP
* @param port the port on the host
* @param clientHost the local host name/IP to bind the socket to
* @param clientPort the port on the local machine
*
* @return Socket a new socket
*
* @throws IOException if an I/O error occurs while creating the socket
* @throws UnknownHostException if the IP address of the host cannot be
* determined
*/
Socket createSocket(
String host,
int port,
InetAddress clientHost,
int clientPort
) throws IOException, UnknownHostException;
/**
* Gets a new socket connection to the given host.
*
* @param host the host name/IP
* @param port the port on the host
*
* @return Socket a new socket
*
* @throws IOException if an I/O error occurs while creating the socket
* @throws UnknownHostException if the IP address of the host cannot be
* determined
*/
Socket createSocket(
String host,
int port
) throws IOException, UnknownHostException;
}
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