Refactor: Add more Java 17 features (switch expressions, more lambdas)

Co-authored-by: ChristianHoesel <[email protected]>

Author: Copilot

de.bitctrl.dav.toolset.appanalyzer/src/main/java/de/bitctrl/dav/toolset/appanalyzer/MainView.java

@@ -94,16 +94,12 @@ public void removeListDataListener(final ListDataListener l) {
 
 		final JButton exportButton = new JButton("Exportiere Anmeldungen");
 		getContentPane().add(exportButton, BorderLayout.SOUTH);
-		exportButton.addActionListener(new ActionListener() {
-
-			@Override
-			public void actionPerformed(final ActionEvent e) {
-				final JFileChooser fileChooser = new JFileChooser();
-				if (fileChooser.showOpenDialog(MainView.this) == JFileChooser.APPROVE_OPTION) {
-					final Exporter exporter = new Exporter(dav, applicationList, fileChooser.getSelectedFile(),
-							onlySummary);
-					exporter.start();
-				}
+		exportButton.addActionListener(e -> {
+			var fileChooser = new JFileChooser();
+			if (fileChooser.showOpenDialog(MainView.this) == JFileChooser.APPROVE_OPTION) {
+				var exporter = new Exporter(dav, applicationList, fileChooser.getSelectedFile(),
+						onlySummary);
+				exporter.start();
 			}
 		});
 	}

de.bitctrl.dav.toolset.kblister/src/main/java/de/bitctrl/dav/toolset/kblister/KbLister.java

@@ -71,25 +71,21 @@ public void initialize(final ClientDavInterface connection) throws Exception {
 
 		final DataModel model = connection.getDataModel();
 
-		Set<ConfigurationArea> allKbSortedPerPid = new TreeSet<>(new Comparator<ConfigurationArea>() {
-
-			@Override
-			public int compare(final ConfigurationArea o1, final ConfigurationArea o2) {
-				return o1.getPid().compareTo(o2.getPid());
-			}
-		});
+		var allKbSortedPerPid = new TreeSet<ConfigurationArea>(
+				(o1, o2) -> o1.getPid().compareTo(o2.getPid()));
 
 		for (SystemObject obj : model.getTypeTypeObject().getElements()) {
-			final SystemObjectType type = (SystemObjectType) obj;
-			final TreeSet<ConfigurationArea> kbs = new TreeSet<>(new PidComparator());
+			if (obj instanceof SystemObjectType type) {
+				var kbs = new TreeSet<ConfigurationArea>(new PidComparator());
 
-			for (SystemObject element : type.getElements()) {
-				final ConfigurationArea configurationArea = element.getConfigurationArea();
-				kbs.add(configurationArea);
-				allKbSortedPerPid.add(configurationArea);
-			}
+				for (SystemObject element : type.getElements()) {
+					var configurationArea = element.getConfigurationArea();
+					kbs.add(configurationArea);
+					allKbSortedPerPid.add(configurationArea);
+				}
 
-			results.put(type, kbs);
+				results.put(type, kbs);
+			}
 		}
 
 		for (Entry<SystemObjectType, Set<ConfigurationArea>> result : results.entrySet()) {

de.bitctrl.dav.toolset.parameter.klassufd/src/main/java/de/bitctrl/dav/toolset/parameter/klassufd/UfdsSensorType.java

@@ -87,15 +87,11 @@ public String getAttName() {
 	 * @return das Array
 	 */
 	public double[][] getDefaultStufen() {
-		switch (this) {
-		case NI:
-			return UfdsSensorType.NI_STUFEN;
-		case SW:
-			return UfdsSensorType.SW_STUFEN;
-		case WFD:
-			return UfdsSensorType.WFD_STUFEN;
-		default:
-			return UfdsSensorType.EMPTY;
-		}
+		return switch (this) {
+			case NI -> NI_STUFEN;
+			case SW -> SW_STUFEN;
+			case WFD -> WFD_STUFEN;
+			default -> EMPTY;
+		};
 	}
 }