001/* 002 * ==================================================================== 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, 014 * software distributed under the License is distributed on an 015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 016 * KIND, either express or implied. See the License for the 017 * specific language governing permissions and limitations 018 * under the License. 019 * ==================================================================== 020 * 021 * This software consists of voluntary contributions made by many 022 * individuals on behalf of the Apache Software Foundation. For more 023 * information on the Apache Software Foundation, please see 024 * <http://www.apache.org/>. 025 * 026 */ 027 028package org.apache.http.conn.socket; 029 030import java.io.IOException; 031import java.net.Socket; 032import java.net.UnknownHostException; 033 034import org.apache.http.protocol.HttpContext; 035 036/** 037 * Extended {@link ConnectionSocketFactory} interface for layered sockets such as SSL/TLS. 038 * 039 * @since 4.3 040 */ 041public interface LayeredConnectionSocketFactory extends ConnectionSocketFactory { 042 043 /** 044 * Returns a socket connected to the given host that is layered over an 045 * existing socket. Used primarily for creating secure sockets through 046 * proxies. 047 * 048 * @param socket the existing socket 049 * @param target the name of the target host. 050 * @param port the port to connect to on the target host. 051 * @param context the actual HTTP context. 052 * 053 * @return Socket a new socket 054 * 055 * @throws IOException if an I/O error occurs while creating the socket 056 */ 057 Socket createLayeredSocket( 058 Socket socket, 059 String target, 060 int port, 061 HttpContext context) throws IOException, UnknownHostException; 062 063}