Coverage report

  %line %branch
examples.fwhois
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 1  
 /*
 2  
  * Copyright 2001-2005 The Apache Software Foundation
 3  
  *
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  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
 8  
  *     http://www.apache.org/licenses/LICENSE-2.0
 9  
  *
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13  
  * See the License for the specific language governing permissions and
 14  
  * limitations under the License.
 15  
  */
 16  
 package examples;
 17  
 
 18  
 import java.io.IOException;
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 import java.net.InetAddress;
 20  
 import java.net.UnknownHostException;
 21  
 import org.apache.commons.net.WhoisClient;
 22  
 
 23  
 /***
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  * This is an example of how you would implement the Linux fwhois command
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  * in Java using NetComponents.  The Java version is much shorter.
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  * <p>
 27  
  ***/
 28  0
 public final class fwhois
 29  
 {
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 31  
     public static final void main(String[] args)
 32  
     {
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         int index;
 34  
         String handle, host;
 35  0
         InetAddress address = null;
 36  
         WhoisClient whois;
 37  
 
 38  0
         if (args.length != 1)
 39  
         {
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             System.err.println("usage: fwhois handle[@<server>]");
 41  0
             System.exit(1);
 42  
         }
 43  
 
 44  0
         index = args[0].lastIndexOf("@");
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 46  0
         whois = new WhoisClient();
 47  
         // We want to timeout if a response takes longer than 60 seconds
 48  0
         whois.setDefaultTimeout(60000);
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 50  0
         if (index == -1)
 51  
         {
 52  0
             handle = args[0];
 53  0
             host = WhoisClient.DEFAULT_HOST;
 54  
         }
 55  
         else
 56  
         {
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             handle = args[0].substring(0, index);
 58  0
             host = args[0].substring(index + 1);
 59  
         }
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 61  
         try
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         {
 63  0
             address = InetAddress.getByName(host);
 64  
         }
 65  0
         catch (UnknownHostException e)
 66  
         {
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             System.err.println("Error unknown host: " + e.getMessage());
 68  0
             System.exit(1);
 69  0
         }
 70  
 
 71  0
         System.out.println("[" + address.getHostName() + "]");
 72  
 
 73  
         try
 74  
         {
 75  0
             whois.connect(address);
 76  0
             System.out.print(whois.query(handle));
 77  0
             whois.disconnect();
 78  
         }
 79  0
         catch (IOException e)
 80  
         {
 81  0
             System.err.println("Error I/O exception: " + e.getMessage());
 82  0
             System.exit(1);
 83  0
         }
 84  0
     }
 85  
 
 86  
 }

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