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org.apache.commons.net.DefaultSocketFactory |
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1 | /* |
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2 | * Copyright 2001-2005 The Apache Software Foundation |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | package org.apache.commons.net; |
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17 | ||
18 | import java.io.IOException; |
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19 | import java.net.InetAddress; |
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20 | import java.net.ServerSocket; |
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21 | import java.net.Socket; |
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22 | import java.net.UnknownHostException; |
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23 | ||
24 | /*** |
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25 | * DefaultSocketFactory implements the SocketFactory interface by |
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26 | * simply wrapping the java.net.Socket and java.net.ServerSocket |
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27 | * constructors. It is the default SocketFactory used by |
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28 | * {@link org.apache.commons.net.SocketClient} |
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29 | * implementations. |
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30 | * <p> |
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31 | * <p> |
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32 | * @author Daniel F. Savarese |
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33 | * @see SocketFactory |
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34 | * @see SocketClient |
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35 | * @see SocketClient#setSocketFactory |
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36 | ***/ |
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37 | ||
38 | 2 | public class DefaultSocketFactory implements SocketFactory |
39 | { |
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40 | ||
41 | /*** |
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42 | * Creates a Socket connected to the given host and port. |
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43 | * <p> |
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44 | * @param host The hostname to connect to. |
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45 | * @param port The port to connect to. |
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46 | * @return A Socket connected to the given host and port. |
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47 | * @exception UnknownHostException If the hostname cannot be resolved. |
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48 | * @exception IOException If an I/O error occurs while creating the Socket. |
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49 | ***/ |
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50 | public Socket createSocket(String host, int port) |
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51 | throws UnknownHostException, IOException |
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52 | { |
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53 | 32 | return new Socket(host, port); |
54 | } |
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55 | ||
56 | /*** |
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57 | * Creates a Socket connected to the given host and port. |
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58 | * <p> |
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59 | * @param address The address of the host to connect to. |
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60 | * @param port The port to connect to. |
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61 | * @return A Socket connected to the given host and port. |
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62 | * @exception IOException If an I/O error occurs while creating the Socket. |
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63 | ***/ |
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64 | public Socket createSocket(InetAddress address, int port) |
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65 | throws IOException |
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66 | { |
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67 | 2 | return new Socket(address, port); |
68 | } |
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69 | ||
70 | /*** |
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71 | * Creates a Socket connected to the given host and port and |
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72 | * originating from the specified local address and port. |
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73 | * <p> |
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74 | * @param host The hostname to connect to. |
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75 | * @param port The port to connect to. |
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76 | * @param localAddr The local address to use. |
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77 | * @param localPort The local port to use. |
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78 | * @return A Socket connected to the given host and port. |
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79 | * @exception UnknownHostException If the hostname cannot be resolved. |
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80 | * @exception IOException If an I/O error occurs while creating the Socket. |
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81 | ***/ |
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82 | public Socket createSocket(String host, int port, |
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83 | InetAddress localAddr, int localPort) |
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84 | throws UnknownHostException, IOException |
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85 | { |
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86 | 0 | return new Socket(host, port, localAddr, localPort); |
87 | } |
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88 | ||
89 | /*** |
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90 | * Creates a Socket connected to the given host and port and |
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91 | * originating from the specified local address and port. |
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92 | * <p> |
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93 | * @param address The address of the host to connect to. |
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94 | * @param port The port to connect to. |
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95 | * @param localAddr The local address to use. |
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96 | * @param localPort The local port to use. |
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97 | * @return A Socket connected to the given host and port. |
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98 | * @exception IOException If an I/O error occurs while creating the Socket. |
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99 | ***/ |
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100 | public Socket createSocket(InetAddress address, int port, |
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101 | InetAddress localAddr, int localPort) |
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102 | throws IOException |
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103 | { |
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104 | 0 | return new Socket(address, port, localAddr, localPort); |
105 | } |
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106 | ||
107 | /*** |
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108 | * Creates a ServerSocket bound to a specified port. A port |
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109 | * of 0 will create the ServerSocket on a system-determined free port. |
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110 | * <p> |
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111 | * @param port The port on which to listen, or 0 to use any free port. |
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112 | * @return A ServerSocket that will listen on a specified port. |
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113 | * @exception IOException If an I/O error occurs while creating |
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114 | * the ServerSocket. |
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115 | ***/ |
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116 | public ServerSocket createServerSocket(int port) throws IOException |
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117 | { |
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118 | 0 | return new ServerSocket(port); |
119 | } |
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120 | ||
121 | /*** |
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122 | * Creates a ServerSocket bound to a specified port with a given |
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123 | * maximum queue length for incoming connections. A port of 0 will |
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124 | * create the ServerSocket on a system-determined free port. |
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125 | * <p> |
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126 | * @param port The port on which to listen, or 0 to use any free port. |
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127 | * @param backlog The maximum length of the queue for incoming connections. |
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128 | * @return A ServerSocket that will listen on a specified port. |
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129 | * @exception IOException If an I/O error occurs while creating |
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130 | * the ServerSocket. |
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131 | ***/ |
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132 | public ServerSocket createServerSocket(int port, class="keyword">int backlog) |
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133 | throws IOException |
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134 | { |
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135 | 0 | return new ServerSocket(port, backlog); |
136 | } |
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137 | ||
138 | /*** |
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139 | * Creates a ServerSocket bound to a specified port on a given local |
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140 | * address with a given maximum queue length for incoming connections. |
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141 | * A port of 0 will |
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142 | * create the ServerSocket on a system-determined free port. |
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143 | * <p> |
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144 | * @param port The port on which to listen, or 0 to use any free port. |
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145 | * @param backlog The maximum length of the queue for incoming connections. |
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146 | * @param bindAddr The local address to which the ServerSocket should bind. |
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147 | * @return A ServerSocket that will listen on a specified port. |
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148 | * @exception IOException If an I/O error occurs while creating |
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149 | * the ServerSocket. |
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150 | ***/ |
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151 | public ServerSocket createServerSocket(int port, class="keyword">int backlog, |
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152 | InetAddress bindAddr) |
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153 | throws IOException |
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154 | { |
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155 | 0 | return new ServerSocket(port, backlog, bindAddr); |
156 | } |
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157 | } |
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