ShellStatusListener.java

package org.springframework.roo.shell.event;

/**
 * Implemented by classes that wish to be notified of shell status changes.
 * 
 * @author Ben Alex
 * @since 1.0
 */
public interface ShellStatusListener {

  /**
   * Invoked by the shell to report a new status.
   * 
   * @param oldStatus the old status
   * @param newStatus the new status
   */
  void onShellStatusChange(ShellStatus oldStatus, ShellStatus newStatus);
}