1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 28 package org.apache.hc.client5.http.socket; 29 30 import java.io.IOException; 31 import java.net.Socket; 32 33 import org.apache.hc.core5.annotation.Contract; 34 import org.apache.hc.core5.annotation.ThreadingBehavior; 35 import org.apache.hc.core5.http.protocol.HttpContext; 36 37 /** 38 * Extended {@link ConnectionSocketFactory} interface for layered sockets such as SSL/TLS. 39 * 40 * @since 4.3 41 */ 42 @Contract(threading = ThreadingBehavior.STATELESS) 43 public interface LayeredConnectionSocketFactory extends ConnectionSocketFactory { 44 45 /** 46 * Returns a socket connected to the given host that is layered over an 47 * existing socket. Used primarily for creating secure sockets through 48 * proxies. 49 * 50 * @param socket the existing socket 51 * @param target the name of the target host. 52 * @param port the port to connect to on the target host. 53 * @param context the actual HTTP context. 54 * 55 * @return Socket a new socket 56 * 57 * @throws IOException if an I/O error occurs while creating the socket 58 */ 59 Socket createLayeredSocket( 60 Socket socket, 61 String target, 62 int port, 63 HttpContext context) throws IOException; 64 65 }