Java tutorial
/** * Copyright 2013 Paul Illingworth * * 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 uk.co.threeonefour.ifictionary.engine.client.pages; import uk.co.threeonefour.ifictionary.engine.client.gin.AppInjector; import uk.co.threeonefour.ifictionary.engine.client.gin.Level9Injector; import uk.co.threeonefour.ifictionary.engine.client.pages.level9game.Level9GamePlace; import com.google.gwt.activity.shared.Activity; import com.google.gwt.activity.shared.ActivityMapper; import com.google.gwt.place.shared.Place; import com.google.inject.Inject; /* This is the Main Mapper that tells the ActivityManager * which Activity to load given a particular Place. */ public class Level9ActivityMapper implements ActivityMapper { AppInjector injector; @Inject public Level9ActivityMapper(Level9Injector injector) { this.injector = injector; } @Override public Activity getActivity(Place place) { if (place instanceof Level9GamePlace) { return injector.getGameActivity(); } // well I guess we didn't know the place return null; } }