Examples of java.util.EventListener

java.util.EventListener
A tagging interface that all event listener interfaces must extend. @since JDK1.1

     *
     * @see #getItemListeners
     * @since 1.3
     */
    public <T extends EventListener> T[] getListeners(Class<T> listenerType) {
  EventListener l = null;
  if  (listenerType == ItemListener.class) { 
      l = itemListener;
  } else {
      return super.getListeners(listenerType);
  }

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     *
     * @see #getTextListeners
     * @since 1.3
     */
    public <T extends EventListener> T[] getListeners(Class<T> listenerType) {
  EventListener l = null; 
  if  (listenerType == TextListener.class) { 
      l = textListener;
  } else {
      return super.getListeners(listenerType);
  }

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      try
      {
        @SuppressWarnings("rawtypes")
        Class listenerClass = context.loadClass(className);
        @SuppressWarnings("unchecked")
        EventListener listener = newListenerInstance(context, listenerClass);
        
        if (holder != null)
          holder.setServlet((Servlet) listener);

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  public void removeListener(java.util.EventListener listener) {
    this.listeners.remove(listener);
  }


  public void removeListener(Object pojoListener) {
    EventListener l = null;
    for (EventListener listener : listeners) {
      if (Proxy.isProxyClass(listener.getClass())) {
        InvocationHandler handler = Proxy.getInvocationHandler(listener);
        if (handler instanceof EventDelegator) {
          if (pojoListener == ((EventDelegator) handler).getTarget()) {

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     * @param node
     */
  public void visitListener(WebAppContext context, Descriptor descriptor, XmlParser.Node node)
    {
        String className = node.getString("listener-class", false, true);
        EventListener listener = null;
        try
        {
            if (className != null && className.length()> 0)
            {
              ((SipAppContext) context).getSipMetaData().addListener(className);

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        Object sessionAttributesListeners = null;
        Object servletListeners = null;
        
        for (int i = 0; eventListeners != null && i < eventListeners.length; i++)
        {
            EventListener listener = eventListeners[i];
            if (listener instanceof TimerListener)
                timerListeners = LazyList.add(timerListeners, listener);
            if (listener instanceof SipApplicationSessionListener)
                appSessionListeners = LazyList.add(appSessionListeners, listener);
            if (listener instanceof SipErrorListener)

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    public void setListenerClassNames(Collection<String> eventListeners) throws ClassNotFoundException, IllegalAccessException, InstantiationException {
        if (eventListeners != null) {
            Collection<EventListener> listeners = new ArrayList<EventListener>();
            for (String listenerClassName : eventListeners) {
                EventListener listener = (EventListener) newInstance(listenerClassName);
                listeners.add(listener);
            }
            webAppContext.setEventListeners(listeners.toArray(new EventListener[listeners.size()]));
        }
    }

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    public void setListenerClassNames(Collection eventListeners) throws ClassNotFoundException, IllegalAccessException, InstantiationException {
        if (eventListeners != null) {
            for (Iterator iterator = eventListeners.iterator(); iterator.hasNext();) {
                String listenerClassName = (String) iterator.next();
                Class clazz = this.webAppContext.loadClass(listenerClassName);
                EventListener listener = (EventListener) clazz.newInstance();
                this.webAppContext.addEventListener(listener);
            }
        }
    }

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    }




    @Override
    public void addListener(Class<? extends EventListener> listenerClass) {
        EventListener listener;
        try {
            listener = createListener(listenerClass);
        } catch (ServletException e) {
            throw new IllegalArgumentException(sm.getString(
                    "applicationContext.addListener.iae.init",

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                throw new IllegalArgumentException(sm.getString(
                        "applicationContext.addListener.iae.wrongType",
                        className));
            }


            EventListener listener = (EventListener) obj;
            addListener(listener);
        } catch (IllegalAccessException e) {
            throw new IllegalArgumentException(sm.getString(
                    "applicationContext.addListener.iae.cnfe", className),
                    e);

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