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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.http.conn.scheme;
29  
30  import java.io.IOException;
31  import java.net.Socket;
32  import java.net.UnknownHostException;
33  
34  import org.apache.http.params.HttpParams;
35  
36  /**
37   * Extended {@link SchemeSocketFactory} interface for layered sockets such as SSL/TLS.
38   *
39   * @since 4.2
40   *
41   * @deprecated (4.3) use {@link
42   *   org.apache.http.conn.socket.LayeredConnectionSocketFactory}
43   */
44  @Deprecated
45  public interface SchemeLayeredSocketFactory extends SchemeSocketFactory {
46  
47      /**
48       * Returns a socket connected to the given host that is layered over an
49       * existing socket.  Used primarily for creating secure sockets through
50       * proxies.
51       *
52       * @param socket the existing socket
53       * @param target    the name of the target host.
54       * @param port      the port to connect to on the target host
55       * @param params    HTTP parameters
56       *
57       * @return Socket a new socket
58       *
59       * @throws IOException if an I/O error occurs while creating the socket
60       * @throws UnknownHostException if the IP address of the host cannot be
61       * determined
62       */
63      Socket createLayeredSocket(
64          Socket socket,
65          String target,
66          int port,
67          HttpParams params) throws IOException, UnknownHostException;
68  
69  }