cleanup

# Conflicts:
#	src/main/java/org/cryptomator/launcher/SupportedLanguages.java
#	src/main/java/org/cryptomator/ui/preferences/InterfacePreferencesController.java

.github/workflows/appimage.yml

@@ -54,7 +54,7 @@ jobs:
           --verbose
           --output runtime
           --module-path "${JAVA_HOME}/jmods"
-          --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.unsupported,jdk.crypto.ec,jdk.security.auth,jdk.accessibility,jdk.management.jfr
+          --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.unsupported,jdk.crypto.ec,jdk.security.auth,jdk.accessibility,jdk.management.jfr,jdk.zipfs
           --strip-native-commands
           --no-header-files
           --no-man-pages

.github/workflows/mac-dmg.yml

@@ -70,7 +70,7 @@ jobs:
           --verbose
           --output runtime
           --module-path "${JAVA_HOME}/jmods"
-          --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.unsupported,jdk.crypto.ec,jdk.accessibility,jdk.management.jfr
+          --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.unsupported,jdk.crypto.ec,jdk.accessibility,jdk.management.jfr,jdk.zipfs
           --strip-native-commands
           --no-header-files
           --no-man-pages

.github/workflows/win-exe.yml

@@ -83,7 +83,7 @@ jobs:
           --verbose
           --output runtime
           --module-path "jfxjmods;${JAVA_HOME}/jmods"
-          --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.unsupported,jdk.crypto.ec,jdk.accessibility,jdk.management.jfr
+          --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.unsupported,jdk.crypto.ec,jdk.accessibility,jdk.management.jfr,jdk.zipfs
           --strip-native-commands
           --no-header-files
           --no-man-pages

dist/linux/appimage/build.sh

@@ -24,7 +24,7 @@ ${JAVA_HOME}/bin/jlink \
     --verbose \
     --output runtime \
     --module-path "${JAVA_HOME}/jmods" \
-    --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.unsupported,jdk.crypto.ec,jdk.security.auth,jdk.accessibility,jdk.management.jfr \
+    --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.unsupported,jdk.crypto.ec,jdk.security.auth,jdk.accessibility,jdk.management.jfr,jdk.zipfs \
     --strip-native-commands \
     --no-header-files \
     --no-man-pages \

dist/linux/debian/rules

@@ -27,7 +27,7 @@ override_dh_auto_build:
 	$(JAVA_HOME)/bin/jlink \
 		--output runtime \
 		--module-path "${JMODS_PATH}" \
-		--add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.unsupported,jdk.crypto.ec,jdk.security.auth,jdk.accessibility,jdk.management.jfr \
+		--add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.unsupported,jdk.crypto.ec,jdk.security.auth,jdk.accessibility,jdk.management.jfr,jdk.zipfs \
 		--strip-native-commands \
 		--no-header-files \
 		--no-man-pages \

dist/mac/dmg/build.sh

@@ -46,7 +46,7 @@ cp ../../../target/${MAIN_JAR_GLOB} ../../../target/mods
 ${JAVA_HOME}/bin/jlink \
     --output runtime \
     --module-path "${JAVA_HOME}/jmods" \
-    --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,jdk.unsupported,jdk.crypto.ec,jdk.accessibility,jdk.management.jfr \
+    --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,jdk.unsupported,jdk.crypto.ec,jdk.accessibility,jdk.management.jfr,jdk.zipfs \
     --strip-native-commands \
     --no-header-files \
     --no-man-pages \

dist/win/build.ps1

@@ -51,7 +51,7 @@ if ($clean -and (Test-Path -Path $runtimeImagePath)) {
 	--verbose `
 	--output runtime `
 	--module-path "$Env:JAVA_HOME/jmods" `
-	--add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,jdk.unsupported,jdk.crypto.ec,jdk.accessibility,jdk.management.jfr `
+	--add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,jdk.unsupported,jdk.crypto.ec,jdk.accessibility,jdk.management.jfr,jdk.zipfs `
 	--strip-native-commands `
 	--no-header-files `
 	--no-man-pages `

src/main/java/org/cryptomator/launcher/SupportedLanguages.java

@@ -6,25 +6,27 @@ import org.slf4j.LoggerFactory;
 
 import javax.inject.Inject;
 import javax.inject.Singleton;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.text.Collator;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
-import java.util.stream.Collectors;
+import java.util.Map;
+import java.util.stream.StreamSupport;
 
 @Singleton
 public class SupportedLanguages {
 
 	private static final Logger LOG = LoggerFactory.getLogger(SupportedLanguages.class);
-	// these are BCP 47 language codes, not ISO. Note the "-" instead of the "_".
-	// "en" is not part of this list - it is always inserted at the top.
-	public static final List<String> LANGUAGE_TAGS = List.of("ar", "be", "bn", "bs", "ca", "cs", "da", "de", "el", "es", "fil", "fa", "fr", "gl", "he", //
-			"hi", "hr", "hu", "id", "it", "ja", "ko", "lv", "mk", "nb", "nl", "nn", "no", "pa", "pl", "pt", "pt-BR", "ro", "ru", "si", "sk", "sr", "sr-Latn", "sv", "sw", //
-			"ta", "te", "th", "tr", "uk", "vi", "zh", "zh-HK", "zh-TW");
 	public static final String ENGLISH = "en";
 
 	private final List<String> sortedLanguageTags;
-
 	private final Locale preferredLocale;
 
 	@Inject
@@ -33,12 +35,13 @@ public class SupportedLanguages {
 		preferredLocale = preferredLanguage == null ? Locale.getDefault() : Locale.forLanguageTag(preferredLanguage);
 		var collator = Collator.getInstance(preferredLocale);
 		collator.setStrength(Collator.PRIMARY);
-		var sorted = LANGUAGE_TAGS.stream() //
+		List<String> sortedTags = new ArrayList<>();
+		sortedTags.add(0, Settings.DEFAULT_LANGUAGE);
+		sortedTags.add(1, ENGLISH);
+		getSupportedLanguageTags().stream() //
 				.sorted((a, b) -> collator.compare(Locale.forLanguageTag(a).getDisplayName(), Locale.forLanguageTag(b).getDisplayName())) //
-				.collect(Collectors.toList());
-		sorted.add(0, Settings.DEFAULT_LANGUAGE);
-		sorted.add(1, ENGLISH);
-		sortedLanguageTags = Collections.unmodifiableList(sorted);
+				.forEach(sortedTags::add);
+		sortedLanguageTags = Collections.unmodifiableList(sortedTags);
 	}
 
 	public void applyPreferred() {
@@ -50,4 +53,43 @@ public class SupportedLanguages {
 		return sortedLanguageTags;
 	}
 
+
+	/**
+	 * Iterates over the /i18n directory and extracts from every localization file  the BCP 47 code.
+	 *
+	 * @return list of supported BCP 47 language codes
+	 */
+	private static List<String> getSupportedLanguageTags() {
+		try {
+			var i18DirURI = SupportedLanguages.class.getResource("/i18n").toURI();
+			var uriScheme = i18DirURI.getScheme();
+			if (uriScheme.equals("jar")) {
+				final String[] array = i18DirURI.toString().split("!");
+				try (var jarFs = FileSystems.newFileSystem(URI.create(array[0]), Map.<String, String>of())) {
+					return streamDirectory(jarFs.getPath(array[1]));
+				}
+			} else if (uriScheme.equals("file")) {
+				return streamDirectory(Path.of(i18DirURI));
+			} else {
+				throw new IOException("Unsupported uri scheme: " + uriScheme);
+			}
+		} catch (URISyntaxException | IOException e) {
+			LOG.warn("Unable to determine additional supported languages.", e);
+			return List.of();
+		}
+	}
+
+	private static List<String> streamDirectory(Path i18Dir) throws IOException {
+		try (var dirStream = Files.newDirectoryStream(i18Dir, "strings_*.properties")) {
+			return StreamSupport.stream(dirStream.spliterator(), false) //
+					.map(SupportedLanguages::getBCP47CodeFromFileName) //
+					.toList();
+		}
+	}
+
+	private static String getBCP47CodeFromFileName(Path p) {
+		var fileName = p.getFileName().toString();
+		return fileName.substring("strings_".length(), fileName.indexOf(".properties")).replace('_', '-');
+	}
+
 }

src/test/java/org/cryptomator/launcher/SupportedLanguagesTest.java

@@ -1,31 +0,0 @@
-package org.cryptomator.launcher;
-
-import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.DisplayName;
-import org.junit.jupiter.params.ParameterizedTest;
-import org.junit.jupiter.params.provider.MethodSource;
-
-import java.util.Locale;
-import java.util.ResourceBundle;
-import java.util.stream.Stream;
-
-public class SupportedLanguagesTest {
-
-	@DisplayName("test if resource bundle is localized")
-	@ParameterizedTest(name = "{0}")
-	@MethodSource("languageTags")
-	public void testResourceBundleExists(String tag) {
-		var locale = Locale.forLanguageTag(tag);
-		Assertions.assertNotEquals("und", locale.toLanguageTag(), "Undefined language tag");
-
-		var bundle = Assertions.assertDoesNotThrow(() -> ResourceBundle.getBundle("i18n.strings", locale));
-
-		Assertions.assertEquals(locale, bundle.getLocale());
-		Assertions.assertFalse(bundle.keySet().isEmpty());
-	}
-
-	public static Stream<String> languageTags() {
-		return SupportedLanguages.LANGUAGE_TAGS.stream() //
-				.filter(tag -> !"en".equals(tag)); // english uses the default bundle
-	}
-}