Java tutorial
/* * Copyright 2013 Xi CHEN * * 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.seanchenxi.serenity.client.activity.mapper; import com.google.gwt.activity.shared.Activity; import com.google.gwt.activity.shared.ActivityMapper; import com.google.gwt.place.shared.Place; import com.seanchenxi.serenity.client.SerenityFactory; import com.seanchenxi.serenity.client.activity.SidebarActivity; import com.seanchenxi.serenity.client.place.SerenityPlace; public class SidebarActivityMapper implements ActivityMapper { private final SidebarActivity sidebarActivity; public SidebarActivityMapper(SerenityFactory clientFactory) { this.sidebarActivity = new SidebarActivity(clientFactory); } @Override public Activity getActivity(Place place) { if (place instanceof SerenityPlace) { sidebarActivity.updateForPlace((SerenityPlace) place); return sidebarActivity; } return null; } }