Java tutorial
/* * ==================================================================== * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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/>. * */ package org.apache.http.conn.socket; import java.io.IOException; import java.net.InetSocketAddress; import java.net.Socket; import org.apache.http.HttpHost; import org.apache.http.protocol.HttpContext; /** * A factory for creating and connecting connection sockets. * * @since 4.3 */ public interface ConnectionSocketFactory { /** * Creates new, unconnected socket. The socket should subsequently be passed to * {@link #connectSocket(int, Socket, HttpHost, InetSocketAddress, InetSocketAddress, * HttpContext) connectSocket} method. * * @return a new socket * * @throws IOException if an I/O error occurs while creating the socket */ Socket createSocket(HttpContext context) throws IOException; /** * Connects the socket to the target host with the given resolved remote address. * * @param connectTimeout connect timeout. * @param sock the socket to connect, as obtained from {@link #createSocket(HttpContext)}. * <code>null</code> indicates that a new socket should be created and connected. * @param host target host as specified by the caller (end user). * @param remoteAddress the resolved remote address to connect to. * @param localAddress the local address to bind the socket to, or <code>null</code> for any. * @param context the actual HTTP context. * * @return the connected socket. The returned object may be different * from the <code>sock</code> argument if this factory supports * a layered protocol. * * @throws IOException if an I/O error occurs */ Socket connectSocket(int connectTimeout, Socket sock, HttpHost host, InetSocketAddress remoteAddress, InetSocketAddress localAddress, HttpContext context) throws IOException; }