import java.io.IOException;
import java.util.List;
import com.sshtools.j2ssh.SshClient;
import com.sshtools.j2ssh.authentication.AuthenticationProtocolState;
import com.sshtools.j2ssh.authentication.KBIAuthenticationClient;
import com.sshtools.j2ssh.authentication.PasswordAuthenticationClient;
import com.sshtools.j2ssh.transport.IgnoreHostKeyVerification;




public class checkThat {


public static void main(String s[])
{
    try {
        connect();
    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

public static void connect() throws Exception {
    try {
        int result =-1;
        String m_sUser= "user";
        String m_sPassword="pswd";

        SshClient ssh = new SshClient();
        try{
        ssh.connect("1.1.1.1", 22, new IgnoreHostKeyVerification());
        }catch (IOException ie)
        {
            ie.printStackTrace();
        }

        //System.out.println( "Connect successful");


        List authType = ssh.getAvailableAuthMethods(m_sUser);
        if(!authType.isEmpty() && authType.contains("password"))
          {
            //m_logger.severe("FTSSH:Connected to host via password");
            PasswordAuthenticationClient pwd = new PasswordAuthenticationClient();
            pwd.setUsername(m_sUser);
            pwd.setPassword(m_sPassword);
            // Authenticate the user
            result = ssh.authenticate(pwd);
          }
        else
          {
            //m_logger.severe("FTSSH:Connected to host via KBI");
            KBIAuthenticationClient kbi = new KBIAuthenticationClient();
            kbi.setUsername(m_sUser);
            /*ASCKBIRequestHandler kbiHandler = new ASCKBIRequestHandler();
            kbiHandler.setPassCode(m_sPassword);
            kbi.setKBIRequestHandler(kbiHandler);*/
            //  Authenticate the user
            result = ssh.authenticate(kbi);
          }

        /* Authenticate.
         * If you get an IOException saying something like
         * "Authentication method password not supported by the server at this stage."
         */
        PasswordAuthenticationClient pwd = new PasswordAuthenticationClient();
        pwd.setUsername("user");
        pwd.setPassword("pswd");

         result = ssh.authenticate(pwd);

        if (result != AuthenticationProtocolState.COMPLETE){
            throw new Exception("Login to  failed");
        }

        /*session =     ssh.openSessionChannel();
        sor = new SessionOutputReader(session);
        // Request a pseudo terminal, if you do not you may not see the prompt
        session.requestPseudoTerminal("gogrid",80,48, 0 , 0, "");
        // Start the users shell
        session.startShell();*/

    } catch (Exception e) {
        //log.error(e.getMessage(), e);
        System.out.println( e.getMessage());
         e.printStackTrace();
        throw new Exception("Login to  failed");
    }

}
}