2 // ========================================================================
3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
20 package org.eclipse.jetty.servlet;
22 import java.util.EventListener;
27 * Specialization of AbstractHolder for servlet listeners. This
28 * allows us to record where the listener originated - web.xml,
29 * annotation, api etc.
31 public class ListenerHolder extends BaseHolder<EventListener>
33 private EventListener _listener;
36 public ListenerHolder(Source source)
42 public void setListener(EventListener listener)
45 setClassName(listener.getClass().getName());
46 setHeldClass(listener.getClass());
50 public EventListener getListener()
57 public void doStart() throws Exception
59 //Listeners always have an instance eagerly created, it cannot be deferred to the doStart method
60 if (_listener == null)
61 throw new IllegalStateException("No listener instance");