Package java.util

Examples of java.util.EventListener

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            // Initialize listeners after the whole container has been initialized
            // so that they can register themselves as JMX mbeans for example
            if (configuredListeners != null) {
                for (int i = 0; i < configuredListeners.length; i++) {
                    EventListener listener = configuredListeners[i];
                    addListener(listener);
                }
            }
        }
    }
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    public void setListenerClassNames(@ParamAttribute(name = "listenerClassNames")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<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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    }


    @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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    }


    @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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                final ServletRequestAttributeEvent event =
                    new ServletRequestAttributeEvent(_context,this,name, old_value);
                final int size=LazyList.size(_requestAttributeListeners);
                for(int i=0;i<size;i++)
                {
                    final EventListener listener = (ServletRequestAttributeListener)LazyList.get(_requestAttributeListeners,i);
                    if (listener instanceof ServletRequestAttributeListener)
                    {
                        final ServletRequestAttributeListener l = (ServletRequestAttributeListener)listener;
                        ((ServletRequestAttributeListener)l).attributeRemoved(event);
                    }
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            final ServletRequestAttributeEvent event =
                new ServletRequestAttributeEvent(_context,this,name, old_value==null?value:old_value);
            final int size=LazyList.size(_requestAttributeListeners);
            for(int i=0;i<size;i++)
            {
                final EventListener listener = (ServletRequestAttributeListener)LazyList.get(_requestAttributeListeners,i);
                if (listener instanceof ServletRequestAttributeListener)
                {
                    final ServletRequestAttributeListener l = (ServletRequestAttributeListener)listener;

                    if (old_value==null)
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                            if (Log.isDebugEnabled()) Log.debug("listener="+className);
                           
                            try
                            {
                                Class listenerClass=getWebAppContext().loadClass(className);
                                EventListener l=(EventListener)listenerClass.newInstance();
                                _context.addEventListener(l);
                            }
                            catch(Exception e)
                            {
                                Log.warn("Could not instantiate listener "+className+": "+e);
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  • ae.java.awt.Button
  • ae.java.awt.Checkbox
  • ae.java.awt.CheckboxMenuItem
  • ae.java.awt.Component
  • ae.java.awt.Container
  • ae.java.awt.dnd.DnDEventMulticaster
  • ae.java.awt.dnd.DragSource
  • ae.java.awt.List
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