package com.atlassian.event.legacy;
   
   import com.atlassian.event.Event;
   import com.atlassian.event.EventListener;
   import org.springframework.context.ApplicationContext;
   import org.springframework.context.ApplicationContextAware;
   
   import static com.google.common.base.Preconditions.checkNotNull;
   
  /**
   * <p>An event listener for all Spring {@link org.springframework.context.ApplicationEvent application events} so that they get published to the actual
   * Spring context.<p>
   * <p>Simply register this against your Spring context to handle event the same 'old' way</p>
   *
   * @since 2.0.0
   */
  public class SpringContextEventPublisher implements ApplicationContextAware, EventListener {
      private ApplicationContext applicationContext;
  
      public void handleEvent(Event event) {
          checkNotNull(applicationContext).publishEvent(event);
      }
  
      public Class[] getHandledEventClasses() {
          return new Class[]{Event.class};
      }
  
      public void setApplicationContext(ApplicationContext applicationContext) {
          this.applicationContext = checkNotNull(applicationContext);
      }
  
      @Override
      public String toString() {
          return "SpringContextEventPublisher{applicationContext=" + applicationContext + '}';
      }
  }