mobile/android/thirdparty/ch/boye/httpclientandroidlib/conn/scheme/SocketFactory.java

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TOR_BUG_3246
changeset 4
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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 ch.boye.httpclientandroidlib.conn.scheme;
29
30 import java.io.IOException;
31 import java.net.InetAddress;
32 import java.net.Socket;
33 import java.net.UnknownHostException;
34
35 import ch.boye.httpclientandroidlib.conn.ConnectTimeoutException;
36 import ch.boye.httpclientandroidlib.params.HttpParams;
37
38 /**
39 * A factory for creating, initializing and connecting sockets.
40 * The factory encapsulates the logic for establishing a socket connection.
41 *
42 * @since 4.0
43 *
44 * @deprecated use {@link SchemeSocketFactory}
45 */
46 @Deprecated
47 public interface SocketFactory {
48
49 /**
50 * Creates a new, unconnected socket.
51 * The socket should subsequently be passed to
52 * {@link #connectSocket connectSocket}.
53 *
54 * @return a new socket
55 *
56 * @throws IOException if an I/O error occurs while creating the socket
57 */
58 Socket createSocket()
59 throws IOException;
60
61 /**
62 * Connects a socket to the given host.
63 *
64 * @param sock the socket to connect, as obtained from
65 * {@link #createSocket createSocket}.
66 * <code>null</code> indicates that a new socket
67 * should be created and connected.
68 * @param host the host to connect to
69 * @param port the port to connect to on the host
70 * @param localAddress the local address to bind the socket to, or
71 * <code>null</code> for any
72 * @param localPort the port on the local machine,
73 * 0 or a negative number for any
74 * @param params additional {@link HttpParams parameters} for connecting
75 *
76 * @return the connected socket. The returned object may be different
77 * from the <code>sock</code> argument if this factory supports
78 * a layered protocol.
79 *
80 * @throws IOException if an I/O error occurs
81 * @throws UnknownHostException if the IP address of the target host
82 * can not be determined
83 * @throws ConnectTimeoutException if the socket cannot be connected
84 * within the time limit defined in the <code>params</code>
85 */
86 Socket connectSocket(
87 Socket sock,
88 String host,
89 int port,
90 InetAddress localAddress,
91 int localPort,
92 HttpParams params
93 ) throws IOException, UnknownHostException, ConnectTimeoutException;
94
95 /**
96 * Checks whether a socket provides a secure connection.
97 * The socket must be {@link #connectSocket connected}
98 * by this factory.
99 * The factory will <i>not</i> perform I/O operations
100 * in this method.
101 * <br/>
102 * As a rule of thumb, plain sockets are not secure and
103 * TLS/SSL sockets are secure. However, there may be
104 * application specific deviations. For example, a plain
105 * socket to a host in the same intranet ("trusted zone")
106 * could be considered secure. On the other hand, a
107 * TLS/SSL socket could be considered insecure based on
108 * the cipher suite chosen for the connection.
109 *
110 * @param sock the connected socket to check
111 *
112 * @return <code>true</code> if the connection of the socket
113 * should be considered secure, or
114 * <code>false</code> if it should not
115 *
116 * @throws IllegalArgumentException
117 * if the argument is invalid, for example because it is
118 * not a connected socket or was created by a different
119 * socket factory.
120 * Note that socket factories are <i>not</i> required to
121 * check these conditions, they may simply return a default
122 * value when called with an invalid socket argument.
123 */
124 boolean isSecure(Socket sock)
125 throws IllegalArgumentException;
126
127 }

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