8364560: The default value of --linux-menu-group option is invalid

src/jdk.jpackage/linux/classes/jdk/jpackage/internal/LinuxPackageBuilder.java

@@ -84,9 +84,9 @@ LinuxPackage create() throws ConfigException {
     private LinuxPackage create(Package pkg) throws ConfigException {
         return LinuxPackage.create(pkg, new LinuxPackageMixin.Stub(
                 Optional.ofNullable(menuGroupName).orElseGet(DEFAULTS::menuGroupName),
-                Optional.ofNullable(category),
+                category(),
                 Optional.ofNullable(additionalDependencies),
-                Optional.ofNullable(release),
+                release(),
                 pkg.asStandardPackageType().map(LinuxPackageArch::getValue).orElseThrow()));
     }
 
@@ -192,7 +192,7 @@ private record Defaults(String menuGroupName) {
 
     private final PackageBuilder pkgBuilder;
 
-    private static final Defaults DEFAULTS = new Defaults(I18N.getString(
-            "param.menu-group.default"));
-
+    // Should be one of https://specifications.freedesktop.org/menu/latest/category-registry.html#main-category-registry
+    // The category is an ID, not a localizable string
+    private static final Defaults DEFAULTS = new Defaults("Utility");
 }

src/jdk.jpackage/linux/classes/jdk/jpackage/internal/model/LinuxPackageMixin.java

@@ -34,6 +34,12 @@ public interface LinuxPackageMixin {
     /**
      * Gets the name of the start menu group where to create shortcuts for
      * application launchers of this package.
+     * <p>
+     * It sets the value of the "Categories" property in .desktop files of the
+     * package.
+     * <p>
+     * Should be one of the values from <a href=
+     * "https://specifications.freedesktop.org/menu/latest/category-registry.html">https://specifications.freedesktop.org/menu/latest/category-registry.html</a>
      *
      * @return the name of the start menu group where to create shortcuts for
      *         application launchers of this package
@@ -44,6 +50,13 @@ public interface LinuxPackageMixin {
 
     /**
      * Gets the category of this package.
+     * <p>
+     * For RPM packages this is the value of the optional "Group" property.
+     * <p>
+     * For DEB packages this is the value of the mandatory "Section" property.
+     * <a href=
+     * "https://www.debian.org/doc/debian-policy/ch-archive.html#s-subsections">The
+     * present list of recognized values.</a>
      *
      * @return the category of this package
      */
@@ -62,7 +75,7 @@ public interface LinuxPackageMixin {
      * Gets the release of this package. Returns an empty {@link Optional} instance
      * if this package doesn't have a release.
      * <p>
-     * For RPM packages, this is the value of a "Release" property in spec file. RPM
+     * For RPM packages, this is the value of the "Release" property in spec file. RPM
      * packages always have a release.
      * <p>
      * For DEB packages, this is an optional {@code debian_revision} component of a

src/jdk.jpackage/linux/classes/jdk/jpackage/internal/resources/LinuxResources.properties

@@ -28,7 +28,6 @@ deb.bundler.name=DEB Bundle
 rpm.bundler.name=RPM Bundle
 
 param.license-type.default=Unknown
-param.menu-group.default=Unknown
 
 resource.deb-control-file=DEB control file
 resource.deb-preinstall-script=DEB preinstall script

test/jdk/tools/jpackage/helpers/jdk/jpackage/test/LinuxHelper.java

@@ -564,7 +564,8 @@ private static void verifyDesktopFile(JPackageCommand cmd, Optional<AppImageFile
         for (var e : List.of(
                 Map.entry("Type", "Application"),
                 Map.entry("Terminal", "false"),
-                Map.entry("Comment", launcherDescription)
+                Map.entry("Comment", launcherDescription),
+                Map.entry("Categories", Optional.ofNullable(cmd.getArgumentValue("--linux-menu-group")).orElse("Utility"))
         )) {
             String key = e.getKey();
             TKit.assertEquals(e.getValue(), data.find(key).orElseThrow(), String.format(

test/jdk/tools/jpackage/linux/ShortcutHintTest.java

@@ -26,13 +26,15 @@
 import java.nio.file.Path;
 import java.util.List;
 import jdk.jpackage.test.AdditionalLauncher;
+import jdk.jpackage.test.Annotations.Parameter;
+import jdk.jpackage.test.Annotations.Test;
 import jdk.jpackage.test.FileAssociations;
-import jdk.jpackage.test.PackageType;
-import jdk.jpackage.test.PackageTest;
-import jdk.jpackage.test.TKit;
 import jdk.jpackage.test.JPackageCommand;
 import jdk.jpackage.test.LinuxHelper;
-import jdk.jpackage.test.Annotations.Test;
+import jdk.jpackage.test.PackageTest;
+import jdk.jpackage.test.PackageType;
+import jdk.jpackage.test.RunnablePackageTest.Action;
+import jdk.jpackage.test.TKit;
 
 /**
  * Test --linux-shortcut parameter. Output of the test should be
@@ -179,4 +181,18 @@ public static void testDesktopFileFromResourceDir() throws IOException {
                     .apply(Files.readAllLines(desktopFile));
         }).run();
     }
+
+    /**
+     * Test "--linux-menu-group" option.
+     *
+     * @param menuGroup value of "--linux-menu-group" option
+     */
+    @Test
+    // Values from https://specifications.freedesktop.org/menu/latest/category-registry.html#main-category-registry
+    @Parameter("Development")
+    public static void testMenuGroup(String menuGroup) {
+        createTest().addInitializer(JPackageCommand::setFakeRuntime).addInitializer(cmd -> {
+            cmd.addArgument("--linux-shortcut").setArgumentValue("--linux-menu-group", menuGroup);
+        }).run(Action.CREATE_AND_UNPACK);
+    }
 }