Systeminformation for admin users

.settings/com.vaadin.integration.eclipse.prefs

@@ -1,4 +1,4 @@
-com.vaadin.integration.eclipse.mavenLatestVersionsUpgrade=["8.6.4","8.9.2"]
+com.vaadin.integration.eclipse.mavenLatestVersionsUpgrade=["8.6.4","8.9.4"]
 com.vaadin.integration.eclipse.previousCompileAction=both
 com.vaadin.integration.eclipse.useLatestNightly=false
 com.vaadin.integration.eclipse.widgetsetDirty=true

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/components/menu/LoggedinMenuitemState.java

@@ -21,6 +21,7 @@ import com.vaadin.ui.Window;
 import de.kreth.googleconnectors.calendar.CalendarAdapter;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.business.EventBusiness;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.data.ClubEvent;
+import de.kreth.vaadin.clubhelper.vaadinclubhelper.security.SecurityGroups;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.security.SecurityVerifier;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.ui.commands.ClubCommand;
 import de.kreth.vaadin.clubhelper.vaadinclubhelper.ui.commands.CreateMeldungCommand;
@@ -63,6 +64,8 @@ class LoggedinMenuitemState extends LoggedOffState {
 
 	private MenuItem sendEmailsMenuItem;
 
+	private MenuItem systeminfoItem;
+
 	public LoggedinMenuitemState(ApplicationContext context, UI ui, Supplier<ZonedDateTime> startProvider,
 			Supplier<ZonedDateTime> endProvider, BiConsumer<String, JasperPrint> printConsumer) {
 		super(context, startProvider, endProvider, printConsumer);
@@ -70,6 +73,8 @@ class LoggedinMenuitemState extends LoggedOffState {
 		this.context = context;
 		this.navigator = context.getBean(ClubhelperNavigation.class);
 		this.eventBusiness = context.getBean(EventBusiness.class);
+		this.securityVerifier = context.getBean(SecurityVerifier.class);
+
 		navigator.add(ev -> setSelectedMenuItem(ev.getNewView()));
 
 		View current = navigator.getNavigator().getCurrentView();
@@ -116,6 +121,15 @@ class LoggedinMenuitemState extends LoggedOffState {
 				new SwitchViewCommand(context, "Veranstaltung Detail", null, ClubhelperViews.EventDetails));
 		eventDetailItem = detailViewCommand.addTo(viewMenu);
 		eventDetailItem.setCheckable(true);
+
+		if (securityVerifier.isPermitted(SecurityGroups.ADMIN)) {
+
+			CommandWrapper systeminfoViewCommand = new CommandWrapper(
+					new SwitchViewCommand(context, "Systeminformation", null, ClubhelperViews.Systeminfo));
+			systeminfoItem = systeminfoViewCommand.addTo(viewMenu);
+			systeminfoItem.setCheckable(true);
+
+		}
 	}
 
 	private void prepareEditMenu(ClubhelperMenuBar menuBar) {

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/navigation/ClubhelperNavigation.java

@@ -63,6 +63,8 @@ public class ClubhelperNavigation implements ApplicationContextAware {
 
 	private PersonEditView personEdit;
 
+	private SysteminfoView systemInfo;
+
 	public void configure(UI mainUI) {
 
 		// Create and register the views
@@ -72,6 +74,7 @@ public class ClubhelperNavigation implements ApplicationContextAware {
 		ViewFactory factory = new ViewFactory(page);
 		mainView = factory.createMain();
 		personEdit = factory.createPersonEdit();
+		systemInfo = factory.createSystemInfo();
 
 		MenuItemStateFactory menuItemFactory = context.getBean(MenuItemStateFactory.class);
 		setupMenuItemStateFactory(menuItemFactory);
@@ -88,6 +91,7 @@ public class ClubhelperNavigation implements ApplicationContextAware {
 		navi.addView(ClubhelperViews.EventDetails.name(), new EventDetails(context));
 		navi.addView(ClubhelperViews.SendEmails.name(), new SendEmails(context, true));
 		navi.addView(ClubhelperViews.ExportEmails.name(), new ExportEmails(context));
+		navi.addView(ClubhelperViews.Systeminfo.name(), systemInfo);
 
 		page.addBrowserWindowResizeListener(ev -> {
 			int width = ev.getWidth();
@@ -121,9 +125,13 @@ public class ClubhelperNavigation implements ApplicationContextAware {
 			this.page = page;
 		}
 
+		public SysteminfoView createSystemInfo() {
+			return new SysteminfoView(isMobileSize());
+		}
+
 		public MainView createMain() {
 
-			if (page.getBrowserWindowWidth() < WIDTH_LIMIT_FOR_MOBILE) {
+			if (isMobileSize()) {
 				return new MainViewMobile(context, personBusiness, groupDao, eventBusiness, securityGroupVerifier);
 			}
 			else {
@@ -131,9 +139,12 @@ public class ClubhelperNavigation implements ApplicationContextAware {
 			}
 		}
 
+		private boolean isMobileSize() {
+			return page.getBrowserWindowWidth() < WIDTH_LIMIT_FOR_MOBILE;
+		}
+
 		public PersonEditView createPersonEdit() {
-			PersonEditView personEditView = new PersonEditView(groupDao, personBusiness,
-					(page.getBrowserWindowWidth() >= WIDTH_LIMIT_FOR_MOBILE));
+			PersonEditView personEditView = new PersonEditView(groupDao, personBusiness, isMobileSize());
 			return personEditView;
 		}
 	}

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/navigation/ClubhelperViews.java

@@ -11,6 +11,7 @@ public enum ClubhelperViews {
 	PersonEditView,
 	ExportEmails,
 	LoginUI,
+	Systeminfo,
 	SendEmails;
 
 	public static ClubhelperViews byState(String state) {

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/navigation/SysteminfoView.java

@@ -0,0 +1,67 @@
+package de.kreth.vaadin.clubhelper.vaadinclubhelper.ui.navigation;
+
+import java.util.AbstractMap.SimpleEntry;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Properties;
+import java.util.stream.Collectors;
+
+import com.vaadin.data.provider.DataProvider;
+import com.vaadin.data.provider.ListDataProvider;
+import com.vaadin.navigator.View;
+import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
+import com.vaadin.shared.ui.ContentMode;
+import com.vaadin.ui.Grid;
+import com.vaadin.ui.Grid.SelectionMode;
+import com.vaadin.ui.Label;
+import com.vaadin.ui.VerticalLayout;
+
+public class SysteminfoView extends VerticalLayout implements View {
+
+	private final Grid<Entry<String, String>> valueGrid;
+
+	private ListDataProvider<Entry<String, String>> entryDataProvider;
+
+	public SysteminfoView(boolean mobile) {
+		valueGrid = new Grid<>();
+		valueGrid.addColumn(Entry<String, String>::getKey)
+				.setCaption("Schlüssel")
+				.setSortable(true)
+				.setResizable(true);
+		valueGrid.addColumn(Entry<String, String>::getValue)
+				.setCaption("Wert")
+				.setSortable(false)
+				.setResizable(true);
+
+		valueGrid.setSelectionMode(SelectionMode.NONE);
+		valueGrid.setSizeFull();
+
+		entryDataProvider = DataProvider.ofCollection(new ArrayList<Entry<String, String>>());
+		valueGrid.setDataProvider(entryDataProvider);
+		Label title = new Label("<h1>Systeminformationen</h1>", ContentMode.HTML);
+		addComponent(title);
+		addComponent(valueGrid);
+	}
+
+	@Override
+	public void enter(ViewChangeEvent event) {
+
+		Collection<Entry<String, String>> items = entryDataProvider.getItems();
+		items.clear();
+		Locale locale = Locale.getDefault();
+		items.add(new SimpleEntry<>("Sprache", locale.toLanguageTag()));
+
+		Map<String, String> environment = System.getenv();
+		items.addAll(environment.entrySet());
+
+		Properties systemProperties = System.getProperties();
+		items.addAll(systemProperties.entrySet().stream().map(this::mapEntry).collect(Collectors.toList()));
+	}
+
+	private Entry<String, String> mapEntry(Entry<Object, Object> item) {
+		return new SimpleEntry<>(item.getKey().toString(), item.getValue().toString());
+	}
+}