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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
   10    *
   11    * Unless required by applicable law or agreed to in writing, software
   12    * distributed under the License is distributed on an "AS IS" BASIS,
   13    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   14    * See the License for the specific language governing permissions and
   15    * limitations under the License.
   16    */
   17   
   18   package examples;
   19   
   20   import java.io.IOException;
   21   import org.apache.commons.net.telnet.TelnetClient;
   22   
   23   /***
   24    * This is an example of a trivial use of the TelnetClient class.
   25    * It connects to the weather server at the University of Michigan,
   26    * um-weather.sprl.umich.edu port 3000, and allows the user to interact
   27    * with the server via standard input.  You could use this example to
   28    * connect to any telnet server, but it is obviously not general purpose
   29    * because it reads from standard input a line at a time, making it
   30    * inconvenient for use with a remote interactive shell.  The TelnetClient
   31    * class used by itself is mostly intended for automating access to telnet
   32    * resources rather than interactive use.
   33    * <p>
   34    ***/
   35   
   36   // This class requires the IOUtil support class!
   37   public final class weatherTelnet
   38   {
   39   
   40       public final static void main(String[] args)
   41       {
   42           TelnetClient telnet;
   43   
   44           telnet = new TelnetClient();
   45   
   46           try
   47           {
   48               telnet.connect("rainmaker.wunderground.com", 3000);
   49           }
   50           catch (IOException e)
   51           {
   52               e.printStackTrace();
   53               System.exit(1);
   54           }
   55   
   56           IOUtil.readWrite(telnet.getInputStream(), telnet.getOutputStream(),
   57                            System.in, System.out);
   58   
   59           try
   60           {
   61               telnet.disconnect();
   62           }
   63           catch (IOException e)
   64           {
   65               e.printStackTrace();
   66               System.exit(1);
   67           }
   68   
   69           System.exit(0);
   70       }
   71   
   72   }
   73   
   74   

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