Java tutorial
/** * Copyright 2008-2015 Qualogy Solutions B.V. * * 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.qualogy.qafe.mgwt.client; import com.google.gwt.activity.shared.Activity; import com.google.gwt.activity.shared.ActivityMapper; import com.google.gwt.place.shared.Place; import com.qualogy.qafe.mgwt.client.activities.AppActivity; import com.qualogy.qafe.mgwt.client.activities.AppsActivity; import com.qualogy.qafe.mgwt.client.activities.HomeActivity; import com.qualogy.qafe.mgwt.client.main.ClientFactory; import com.qualogy.qafe.mgwt.client.places.AppPlace; import com.qualogy.qafe.mgwt.client.places.AppsPlace; import com.qualogy.qafe.mgwt.client.places.HomePlace; public abstract class AbstractActivityMapper implements ActivityMapper { private ClientFactory clientFactory; public AbstractActivityMapper(ClientFactory clientFactory) { this.clientFactory = clientFactory; } @Override public Activity getActivity(Place place) { if (place instanceof HomePlace) { return new HomeActivity(getClientFactory(), (HomePlace) place); } if (place instanceof AppsPlace) { return new AppsActivity(getClientFactory(), (AppsPlace) place); } if (place instanceof AppPlace) { return new AppActivity(getClientFactory(), (AppPlace) place); } return null; } protected ClientFactory getClientFactory() { return clientFactory; } }