import com.jcraft.jsch.UIKeyboardInteractive;
import com.jcraft.jsch.UserInfo;

public class MyUserInfo implements UserInfo, UIKeyboardInteractive{

    /** LOG is the logger object of class */
    private static final Logger LOG = Logger.getLogger(MyUserInfo.class);

    private String username;
    private String password;


    public MyUserInfo(String username, String password){
        this.username = username;
        this.password = password;
    }


    /**
     * This method is overriding the getPassphrase method.
     *
     * @see com.jcraft.jsch.UserInfo#getPassphrase()
     */
    public String getPassphrase() {
        return null;
    }

    /**
     * This method is overriding the getPassword method.
     *
     * @see com.jcraft.jsch.UserInfo#getPassword()
     */
    public String getPassword() {
        return password;
    }

    /**
     * This method is overriding the promptPassphrase method.
     *
     * @see com.jcraft.jsch.UserInfo#promptPassphrase(java.lang.String)
     */
    public boolean promptPassphrase(String arg0) {
        return true;
    }

    /**
     * This method is overriding the promptPassword method.
     *
     * @see com.jcraft.jsch.UserInfo#promptPassword(java.lang.String)
     */
    public boolean promptPassword(String arg0) {
        return true;
    }

    /**
     * This method is overriding the promptYesNo method.
     *
     * @see com.jcraft.jsch.UserInfo#promptYesNo(java.lang.String)
     */
    public boolean promptYesNo(String arg0) {
        return true;
    }

    /**
     * This method is overriding the showMessage method.
     *
     * @see com.jcraft.jsch.UserInfo#showMessage(java.lang.String)
     */
    public void showMessage(String arg0) {
    }

    /**
     * This method is overriding the promptKeyboardInteractive method.
     * response size MUST be equal to prompt size
     *
     *
     * @see com.jcraft.jsch.UIKeyboardInteractive#promptKeyboardInteractive(java.lang.String, java.lang.String, java.lang.String, java.lang.String[], boolean[])
     */
    public String[] promptKeyboardInteractive(String arg0, String arg1,
            String arg2, String[] prompts, boolean[] echos) {

        String response[] = new String[prompts.length];
        for(int i = 0 ; i < prompts.length; i++){
            LOG.debug("Received keyboard prompt..");
            if(echos[i])
                response[i] = username;
            else response[i] = password;
        }
        return response;
    }

  }