Package

Source Code of SftpConnect

/*
*  SSHTools - Java SSH2 API
*
*  Copyright (C) 2002-2003 Lee David Painter and Contributors.
*
*  Contributions made by:
*
*  Brett Smith
*  Richard Pernavas
*  Erwin Bolwidt
*
*  This program is free software; you can redistribute it and/or
*  modify it under the terms of the GNU General Public License
*  as published by the Free Software Foundation; either version 2
*  of the License, or (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software
*  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
import java.io.BufferedReader;
import java.io.InputStreamReader;
import com.sshtools.j2ssh.SshClient;
import com.sshtools.j2ssh.authentication.AuthenticationProtocolState;
import com.sshtools.j2ssh.authentication.PasswordAuthenticationClient;
import com.sshtools.j2ssh.io.UnsignedInteger32;
import com.sshtools.j2ssh.session.SessionChannelClient;
import com.sshtools.j2ssh.sftp.FileAttributes;
import com.sshtools.j2ssh.sftp.SftpFile;
import com.sshtools.j2ssh.sftp.SftpFileOutputStream;
import com.sshtools.j2ssh.SftpClient;
import java.io.*;
import com.sshtools.j2ssh.configuration.ConfigurationLoader;
/*import java.util.logging.FileHandler;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.logging.SimpleFormatter;*/
/**
* Demonstrates a simple password connection to an SSH server.
*
* @author <A HREF="mailto:lee@sshtools.com">Lee David Painter</A>
* @version $Id: SftpConnect.java,v 1.8 2003/07/16 10:42:08 t_magicthize Exp $
*
* @created 20 December 2002
*/
public class SftpConnect {
  /**
   * The main program for the PasswordConnect class
   *
   * @param args The command line arguments
   */
  public static void main(String args[]) {
    try {
      // Setup a logfile
      /*Handler fh = new FileHandler("example.log");
      fh.setFormatter(new SimpleFormatter());
      Logger.getLogger("com.sshtools").setUseParentHandlers(false);
      Logger.getLogger("com.sshtools").addHandler(fh);
      Logger.getLogger("com.sshtools").setLevel(Level.ALL);*/
      // Configure J2SSH (This will attempt to install the bouncycastle provider
      // under jdk 1.3.1)
      ConfigurationLoader.initialize(false);
      BufferedReader reader =
          new BufferedReader(new InputStreamReader(System.in));
      System.out.print("Connect to host? ");
      String hostname = reader.readLine();
      // Make a client connection
      SshClient ssh = new SshClient();
      // Connect to the host
      ssh.connect(hostname);
      // Create a password authentication instance
      PasswordAuthenticationClient pwd = new PasswordAuthenticationClient();
      // Get the users name
      System.out.print("Username? ");
      String username = reader.readLine();
      pwd.setUsername(username);
      // Get the password
      System.out.print("Password? ");
      String password = reader.readLine();
      pwd.setPassword(password);
      // Try the authentication
      int result = ssh.authenticate(pwd);
      // Evaluate the result
      if (result == AuthenticationProtocolState.COMPLETE) {
        // The connection is authenticated we can now do some real work!
        SftpClient sftp = ssh.openSftpClient();
        // Make a directory
        try {
          sftp.mkdir("j2ssh");
        }
        catch (IOException ex) {
        }
        // Change directory
        sftp.cd("j2ssh");
        System.out.println(sftp.pwd());
        // Change the mode
        sftp.chmod(0777, "j2ssh");
        sftp.lcd("c:/");
        // Upload a file
        sftp.put("system.gif");
        // Change the local directory
        sftp.lcd("localdir");
        // Download a file
        sftp.get("somefile.txt", "anotherfile.txt");
        // Remove a directory or file
        sftp.rm("j2ssh");
        // Quit
        sftp.quit();
        ssh.disconnect();
      }
    }
    catch (Exception e) {
      e.printStackTrace();
    }
    finally {
      System.exit(0);
    }
  }
}
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