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daa4106c | 1 | /* |
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2 | * Jexer - Java Text User Interface |
3 | * | |
e16dda65 | 4 | * The MIT License (MIT) |
ea91242c | 5 | * |
a2018e99 | 6 | * Copyright (C) 2017 Kevin Lamonte |
ea91242c | 7 | * |
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8 | * Permission is hereby granted, free of charge, to any person obtaining a |
9 | * copy of this software and associated documentation files (the "Software"), | |
10 | * to deal in the Software without restriction, including without limitation | |
11 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
12 | * and/or sell copies of the Software, and to permit persons to whom the | |
13 | * Software is furnished to do so, subject to the following conditions: | |
ea91242c | 14 | * |
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15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. | |
ea91242c | 17 | * |
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18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
23 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
24 | * DEALINGS IN THE SOFTWARE. | |
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25 | * |
26 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] | |
27 | * @version 1 | |
28 | */ | |
29 | package jexer.net; | |
30 | ||
ea91242c | 31 | import java.io.IOException; |
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32 | import java.net.InetAddress; |
33 | import java.net.ServerSocket; | |
34 | import java.net.Socket; | |
9b1afdde | 35 | import java.net.SocketException; |
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36 | |
37 | /** | |
38 | * This class provides a ServerSocket that return TelnetSocket's in accept(). | |
39 | */ | |
40 | public final class TelnetServerSocket extends ServerSocket { | |
41 | ||
42 | // ServerSocket interface ------------------------------------------------- | |
43 | ||
44 | /** | |
45 | * Creates an unbound server socket. | |
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46 | * |
47 | * @throws IOException if an I/O error occurs | |
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48 | */ |
49 | public TelnetServerSocket() throws IOException { | |
50 | super(); | |
51 | } | |
52 | ||
53 | /** | |
54 | * Creates a server socket, bound to the specified port. | |
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55 | * |
56 | * @param port the port number, or 0 to use a port number that is | |
57 | * automatically allocated. | |
58 | * @throws IOException if an I/O error occurs | |
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59 | */ |
60 | public TelnetServerSocket(final int port) throws IOException { | |
61 | super(port); | |
62 | } | |
63 | ||
64 | /** | |
65 | * Creates a server socket and binds it to the specified local port | |
66 | * number, with the specified backlog. | |
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67 | * |
68 | * @param port the port number, or 0 to use a port number that is | |
69 | * automatically allocated. | |
70 | * @param backlog requested maximum length of the queue of incoming | |
71 | * connections. | |
72 | * @throws IOException if an I/O error occurs | |
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73 | */ |
74 | public TelnetServerSocket(final int port, | |
75 | final int backlog) throws IOException { | |
76 | ||
77 | super(port, backlog); | |
78 | } | |
79 | ||
80 | /** | |
81 | * Create a server with the specified port, listen backlog, and local IP | |
82 | * address to bind to. | |
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83 | * |
84 | * @param port the port number, or 0 to use a port number that is | |
85 | * automatically allocated. | |
86 | * @param backlog requested maximum length of the queue of incoming | |
87 | * connections. | |
88 | * @param bindAddr the local InetAddress the server will bind to | |
89 | * @throws IOException if an I/O error occurs | |
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90 | */ |
91 | public TelnetServerSocket(final int port, final int backlog, | |
92 | final InetAddress bindAddr) throws IOException { | |
93 | ||
94 | super(port, backlog, bindAddr); | |
95 | } | |
96 | ||
97 | /** | |
98 | * Listens for a connection to be made to this socket and accepts it. The | |
99 | * method blocks until a connection is made. | |
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100 | * |
101 | * @return the new Socket | |
102 | * @throws IOException if an I/O error occurs | |
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103 | */ |
104 | @Override | |
105 | public Socket accept() throws IOException { | |
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106 | if (isClosed()) { |
107 | throw new SocketException("Socket is closed"); | |
108 | } | |
109 | if (!isBound()) { | |
110 | throw new SocketException("Socket is not bound"); | |
111 | } | |
112 | ||
113 | Socket socket = new TelnetSocket(); | |
114 | implAccept(socket); | |
115 | return socket; | |
ea91242c | 116 | } |
9b1afdde | 117 | |
ea91242c | 118 | } |