Java tutorial
/* * Copyright 2010 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.google.gwt.event.shared; import com.google.web.bindery.event.shared.Event; import com.google.web.bindery.event.shared.Event.Type; import com.google.web.bindery.event.shared.HandlerRegistration; /** * Wraps {com.google.web.bindery.event.shared.SimpleEventBus} for legacy * compatibility. */ public class SimpleEventBus extends EventBus { private final com.google.web.bindery.event.shared.SimpleEventBus real = new com.google.web.bindery.event.shared.SimpleEventBus(); public <H extends EventHandler> com.google.gwt.event.shared.HandlerRegistration addHandler( GwtEvent.Type<H> type, H handler) { return wrap(addHandler((Event.Type<H>) type, handler)); } @Override public <H> HandlerRegistration addHandler(Type<H> type, H handler) { return real.addHandler(type, handler); } public <H extends EventHandler> com.google.gwt.event.shared.HandlerRegistration addHandlerToSource( GwtEvent.Type<H> type, Object source, H handler) { return wrap(addHandlerToSource((Event.Type<H>) type, source, handler)); } @Override public <H> HandlerRegistration addHandlerToSource(Type<H> type, Object source, H handler) { return real.addHandlerToSource(type, source, handler); } @Override public void fireEvent(Event<?> event) { real.fireEvent(event); } @Override public void fireEvent(GwtEvent<?> event) { castFireEvent(event); } @Override public void fireEventFromSource(Event<?> event, Object source) { real.fireEventFromSource(event, source); } @Override public void fireEventFromSource(GwtEvent<?> event, Object source) { castFireEventFromSource(event, source); } }