Coverage report

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examples.rexec
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 1  
 /*
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  * Copyright 2001-2005 The Apache Software Foundation
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  *
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  * Licensed under the Apache License, Version 2.0 (the "License");
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  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
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  *     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;
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 18  
 import java.io.IOException;
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 import org.apache.commons.net.bsd.RExecClient;
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 21  
 /***
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  * This is an example program demonstrating how to use the RExecClient class.
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  * This program connects to an rexec server and requests that the
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  * given command be executed on the server.  It then reads input from stdin
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  * (this will be line buffered on most systems, so don't expect character
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  * at a time interactivity), passing it to the remote process and writes
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  * the process stdout and stderr to local stdout.
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  * <p>
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  * Example: java rexec myhost myusername mypassword "ps -aux"
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  * <p>
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  * Usage: rexec <hostname> <username> <password> <command>
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  * <p>
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  ***/
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 // This class requires the IOUtil support class!
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 public final class rexec
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 {
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     public static final void main(String[] args)
 40  
     {
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         String server, username, password, command;
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         RExecClient client;
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         if (args.length != 4)
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         {
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             System.err.println(
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                 "Usage: rexec <hostname> <username> <password> <command>");
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             System.exit(1);
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             return ; // so compiler can do proper flow control analysis
 50  
         }
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         client = new RExecClient();
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         server = args[0];
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         username = args[1];
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         password = args[2];
 57  0
         command = args[3];
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 59  
         try
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         {
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             client.connect(server);
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         }
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         catch (IOException e)
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         {
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             System.err.println("Could not connect to server.");
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             e.printStackTrace();
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             System.exit(1);
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         }
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 70  
         try
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         {
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             client.rexec(username, password, command);
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         }
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         catch (IOException e)
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         {
 76  
             try
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             {
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                 client.disconnect();
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             }
 80  0
             catch (IOException f)
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             {}
 82  0
             e.printStackTrace();
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             System.err.println("Could not execute command.");
 84  0
             System.exit(1);
 85  0
         }
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         IOUtil.readWrite(client.getInputStream(), client.getOutputStream(),
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                          System.in, System.out);
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 91  
         try
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         {
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             client.disconnect();
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         }
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         catch (IOException e)
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         {
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             e.printStackTrace();
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             System.exit(1);
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         }
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 101  0
         System.exit(0);
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     }
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 104  
 }
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