Java tutorial
/* * Copyright 2014-2016 CyberVision, 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 org.kaaproject.kaa.server.admin.client; import org.kaaproject.kaa.common.dto.KaaAuthorityDto; import org.kaaproject.kaa.common.dto.admin.AuthResultDto; import org.kaaproject.kaa.common.dto.admin.AuthResultDto.Result; import org.kaaproject.kaa.server.admin.client.layout.AppLayout; import org.kaaproject.kaa.server.admin.client.mvp.ClientFactory; import org.kaaproject.kaa.server.admin.client.mvp.activity.AppActivityMapper; import org.kaaproject.kaa.server.admin.client.mvp.activity.HeaderActivityMapper; import org.kaaproject.kaa.server.admin.client.mvp.activity.NavigationActivityMapper; import org.kaaproject.kaa.server.admin.client.mvp.data.DataSource; import org.kaaproject.kaa.server.admin.client.mvp.place.ApplicationsPlace; import org.kaaproject.kaa.server.admin.client.mvp.place.KaaAdminPlaceHistoryMapper; import org.kaaproject.kaa.server.admin.client.mvp.place.TenantAdminPlaceHistoryMapper; import org.kaaproject.kaa.server.admin.client.mvp.place.TenantDeveloperPlaceHistoryMapper; import org.kaaproject.kaa.server.admin.client.mvp.place.TenantUserPlaceHistoryMapper; import org.kaaproject.kaa.server.admin.client.mvp.place.TenantsPlace; import org.kaaproject.kaa.server.admin.client.util.Utils; import org.kaaproject.kaa.server.admin.shared.services.KaaAdminService; import org.kaaproject.kaa.server.admin.shared.services.KaaAdminServiceAsync; import org.kaaproject.kaa.server.admin.shared.services.KaaAuthServiceAsync; import com.google.gwt.activity.shared.ActivityManager; import com.google.gwt.activity.shared.ActivityMapper; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.core.client.GWT; import com.google.gwt.http.client.Request; import com.google.gwt.http.client.RequestBuilder; import com.google.gwt.http.client.RequestCallback; import com.google.gwt.http.client.RequestException; import com.google.gwt.http.client.Response; import com.google.gwt.place.shared.Place; import com.google.gwt.place.shared.PlaceController; import com.google.gwt.place.shared.PlaceHistoryHandler; import com.google.gwt.place.shared.PlaceHistoryMapper; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.RootLayoutPanel; import com.google.web.bindery.event.shared.EventBus; public class KaaAdmin implements EntryPoint { private static AuthResultDto authInfo; private static DataSource dataSource; private static KaaAuthServiceAsync authService = KaaAuthServiceAsync.Util.getInstance(); private AppLayout appWidget = new AppLayout(); @Override public void onModuleLoad() { authService.checkAuth(new AsyncCallback<AuthResultDto>() { @Override public void onFailure(Throwable caught) { showLogin(); } @Override public void onSuccess(AuthResultDto result) { if (result.getAuthResult() == Result.OK) { authInfo = result; init(); } else { showLogin(); } } }); } public static AuthResultDto getAuthInfo() { return authInfo; } public static DataSource getDataSource() { return dataSource; } public static KaaAuthServiceAsync getAuthService() { return authService; } public static boolean checkAuthorities(KaaAuthorityDto... authorities) { for (KaaAuthorityDto authority : authorities) { if (authInfo.getAuthority() == authority) { return true; } } return false; } public static boolean isDevMode() { return checkAuthorities(KaaAuthorityDto.TENANT_DEVELOPER, KaaAuthorityDto.TENANT_USER); } private void showLogin() { redirectToModule(".."); } private void init() { Utils.injectKaaStyles(); KaaAdminServiceAsync rpcService = GWT.create(KaaAdminService.class); ClientFactory clientFactory = GWT.create(ClientFactory.class); EventBus eventBus = clientFactory.getEventBus(); dataSource = new DataSource(rpcService, eventBus); PlaceController placeController = clientFactory.getPlaceController(); ActivityMapper headerActivityMapper = new HeaderActivityMapper(clientFactory); ActivityManager headerActivityManager = new ActivityManager(headerActivityMapper, eventBus); headerActivityManager.setDisplay(appWidget.getAppHeaderHolder()); ActivityMapper navigationActivityMapper = new NavigationActivityMapper(clientFactory, eventBus); ActivityManager navigationActivityManager = new ActivityManager(navigationActivityMapper, eventBus); navigationActivityManager.setDisplay(appWidget.getNavContentHolder()); ActivityMapper appActivityMapper = new AppActivityMapper(clientFactory); ActivityManager appActivityManager = new ActivityManager(appActivityMapper, eventBus); appActivityManager.setDisplay(appWidget.getAppContentHolder()); PlaceHistoryMapper historyMapper = null; switch (authInfo.getAuthority()) { case KAA_ADMIN: historyMapper = GWT.create(KaaAdminPlaceHistoryMapper.class); clientFactory.setHomePlace(new TenantsPlace()); break; case TENANT_ADMIN: historyMapper = GWT.create(TenantAdminPlaceHistoryMapper.class); clientFactory.setHomePlace(new ApplicationsPlace()); break; case TENANT_DEVELOPER: historyMapper = GWT.create(TenantDeveloperPlaceHistoryMapper.class); clientFactory.setHomePlace(new ApplicationsPlace()); break; case TENANT_USER: historyMapper = GWT.create(TenantUserPlaceHistoryMapper.class); clientFactory.setHomePlace(new ApplicationsPlace()); break; } PlaceHistoryHandler historyHandler = new PlaceHistoryHandler(historyMapper); Place place; if (authInfo.getAuthority() == KaaAuthorityDto.KAA_ADMIN) { place = new TenantsPlace(); } else { place = new ApplicationsPlace(); } historyHandler.register(placeController, eventBus, place); RootLayoutPanel.get().add(appWidget); // Goes to the place represented on URL else default place historyHandler.handleCurrentHistory(); } public static void signOut() { RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, GWT.getModuleBaseURL() + "j_spring_security_logout"); try { builder.sendRequest(null, new RequestCallback() { @Override public void onResponseReceived(Request request, Response response) { redirectToModule(".."); } @Override public void onError(Request request, Throwable exception) { redirectToModule(".."); } }); } catch (RequestException e) { } } public static void redirectToModule(String module) { String path = Window.Location.getPath(); if (!path.endsWith("/")) { if (path.endsWith(".html") || path.endsWith(".htm")) { int index = path.lastIndexOf('/'); path = path.substring(0, index + 1); } else { path += "/"; } } String target = path + module + "/"; Window.Location.assign(Window.Location.createUrlBuilder().setPath(target).buildString()); } }