/*
 * login.java
 *
 * Implementation of the LOGIN command.
 */
package commands;

import gui.Login;
import kernel.AbstractProcess;
import kernel.AppException;

/**
 * 
 * Implementation of the LOGIN command.
 * 
 * @author Jan Horký
 */
public class login extends AbstractProcess {
  /**
   * Realizes the LOGIN command.
   * 
   * @throws AppException
   *             Exception caused by an error in the virtual machines manager.
   */
  public void realization() throws AppException {
    if (new Login().exec())
      this.getKernel().executeMainShell(this.getID());
  }

  /**
   * Provides help for users.
   */
  public String getHelp() {
    return "\n\nDescription:\nLogin is used when signing onto a system..\n\n";
  }
}