increase readability

src/main/java/org/cryptomator/common/locationpresets/DropboxLinuxLocationPresetsProvider.java

@@ -5,6 +5,7 @@ import org.cryptomator.integrations.common.OperatingSystem;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.function.Predicate;
 import java.util.regex.Pattern;
 import java.util.stream.Stream;
 import java.util.stream.StreamSupport;
@@ -15,19 +16,14 @@ import static org.cryptomator.integrations.common.OperatingSystem.Value.LINUX;
 public final class DropboxLinuxLocationPresetsProvider implements LocationPresetsProvider {
 
 	private static final Path USER_HOME = LocationPresetsProvider.resolveLocation("~/.").toAbsolutePath();
-	private static final Pattern PATTERN = Pattern.compile("Dropbox \\(.+\\)");
+	private static final Predicate<String> PATTERN = Pattern.compile("Dropbox \\(.+\\)").asMatchPredicate();
 
 	@Override
 	public Stream<LocationPreset> getLocations() {
-		try (var dirStream = Files.newDirectoryStream(USER_HOME,"Dropbox*")){
-			return StreamSupport.stream(dirStream.spliterator(), false).flatMap(p -> {
-				var matcher = PATTERN.matcher(p.getFileName().toString());
-				if(matcher.matches() && Files.isDirectory(p)) {
-					return Stream.of(new LocationPreset(matcher.group(), p));
-				} else {
-					return Stream.of();
-				}
-			});
+		try (var dirStream = Files.newDirectoryStream(USER_HOME, "Dropbox*")) {
+			return StreamSupport.stream(dirStream.spliterator(), false) //
+					.filter(p -> Files.isDirectory(p) && PATTERN.test(p.getFileName().toString())) //
+					.map(p -> new LocationPreset(p.getFileName().toString(), p));
 		} catch (IOException e) {
 			return Stream.of();
 		}

src/main/java/org/cryptomator/common/locationpresets/OneDriveWindowsLocationPresetsProvider.java

@@ -37,7 +37,8 @@ public final class OneDriveWindowsLocationPresetsProvider implements LocationPre
 				var name = "OneDrive"; //we assume personal oneDrive account by default
 				if (!accountRegKey.endsWith("Personal")) {
 					name = queryRegistry(accountRegKey, List.of("/v", "DisplayName"), l -> l.contains("DisplayName")).map(result -> result.substring(result.indexOf(REGSTR_TOKEN) + REGSTR_TOKEN.length()).trim()) //
-							.map("OneDrive - "::concat).findFirst().orElseThrow();
+							.map("OneDrive - "::concat) //
+							.findFirst().orElseThrow();
 				}
 				cloudLocations.add(new LocationPreset(name, path));
 			}