SFTP using java api

Librery used SSHTools-J2SSH
Tutorial help from David Hayes

 
 String userName = "someuser";

 String password = "somepwd";
 
 String host = "host_ip";

 int port = 22;
  
 String destinationPath = "<your_dest>";

 String sourcePath = "<your_src>"; 
    
 SshClient ssh = new SshClient();

 
 try{
  ssh.connect(host, port);

 
 // Authenticate
  PasswordAuthenticationClient passwordAuthenticationClient = 
                 new PasswordAuthenticationClient();

 
   passwordAuthenticationClient.setUsername(userName);
  passwordAuthenticationClient.setPassword(password);

 
   int result = ssh.authenticate(passwordAuthenticationClient);

   if(result != AuthenticationProtocolState.COMPLETE){
 

          throw new FTPException("Login to " + host + ":" 

          + port + " " + userName + "/" + password + " failed");

 
     }
 
  //   Open the SFTP channel
   SftpClient client = ssh.openSftpClient();

 //change local directory where file would be copied
   client.lcd(destination);
 // download file

   client.get(sourceFilePath);
 
         client.quit();

    ssh.disconnect();
 
  }
 catch(IOException e)

   {
 
   // file transfer failed
      e.printStackTrace();

  }

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