public static void setModuleLanguageLevel(Module module, final LanguageLevel level) {
final LanguageLevelModuleExtension modifiable =
(LanguageLevelModuleExtension)
LanguageLevelModuleExtension.getInstance(module).getModifiableModel(true);
modifiable.setLanguageLevel(level);
modifiable.commit();
}
@Test
@IdeGuiTest
public void testLanguageLevelForApi21() {
// Verifies that creating a project with L will set the language level correctly
// both in the generated Gradle model as well as in the synced project and modules
// "20+" here should change to 21 as soon as L goes out of preview state
IdeFrameFixture projectFrame =
newProject("Test Application")
.withMinSdk("20+")
// just to speed up the test: type as little as possible
.withActivity("A")
.withCompanyDomain("C")
.withName("P")
.withPackageName("a.b")
.create();
IdeaAndroidProject appAndroidProject = projectFrame.getAndroidProjectForModule("app");
AndroidProject model = appAndroidProject.getDelegate();
ApiVersion minSdkVersion = model.getDefaultConfig().getProductFlavor().getMinSdkVersion();
assertNotNull("minSdkVersion", minSdkVersion);
// If this test fails, verify that
// (1) you have the L preview installed in the SDK on the test machine
// (2) the associated JDK is JDK 7 or higher
assertThat(minSdkVersion.getApiString()).as("minSdkVersion API").isEqualTo("L");
assertThat(appAndroidProject.getJavaLanguageLevel())
.as("Gradle Java language level")
.isSameAs(LanguageLevel.JDK_1_7);
LanguageLevelProjectExtension projectExt =
LanguageLevelProjectExtension.getInstance(projectFrame.getProject());
assertThat(projectExt.getLanguageLevel())
.as("Project Java language level")
.isSameAs(LanguageLevel.JDK_1_7);
for (Module module : ModuleManager.getInstance(projectFrame.getProject()).getModules()) {
LanguageLevelModuleExtension moduleExt = LanguageLevelModuleExtension.getInstance(module);
assertThat(moduleExt.getLanguageLevel())
.as("Gradle Java language level in module " + module.getName())
.isNull();
}
}
@Test
@IdeGuiTest
public void testCreateNewMobileProject() {
IdeFrameFixture projectFrame = newProject("Test Application").create();
FileFixture layoutFile =
projectFrame.findExistingFileByRelativePath("app/src/main/res/layout/activity_main.xml");
layoutFile.requireOpenAndSelected();
// Verify state of project
projectFrame.requireModuleCount(2);
IdeaAndroidProject appAndroidProject = projectFrame.getAndroidProjectForModule("app");
assertThat(appAndroidProject.getVariantNames()).as("variants").containsOnly("debug", "release");
assertThat(appAndroidProject.getSelectedVariant().getName())
.as("selected variant")
.isEqualTo("debug");
AndroidProject model = appAndroidProject.getDelegate();
ApiVersion minSdkVersion = model.getDefaultConfig().getProductFlavor().getMinSdkVersion();
assertNotNull("minSdkVersion", minSdkVersion);
assertThat(minSdkVersion.getApiString()).as("minSdkVersion API").isEqualTo("19");
// Creating a project with minSdkVersion 19 should leave the Java language level as Java 6
// For L and higher we use Java 7 language level; that is tested separately in
// testLanguageLevelForApi21
assertThat(appAndroidProject.getJavaLanguageLevel())
.as("Gradle Java language level")
.isSameAs(LanguageLevel.JDK_1_6);
LanguageLevelProjectExtension projectExt =
LanguageLevelProjectExtension.getInstance(projectFrame.getProject());
assertThat(projectExt.getLanguageLevel())
.as("Project Java language level")
.isSameAs(LanguageLevel.JDK_1_6);
for (Module module : ModuleManager.getInstance(projectFrame.getProject()).getModules()) {
LanguageLevelModuleExtension moduleExt = LanguageLevelModuleExtension.getInstance(module);
assertThat(moduleExt.getLanguageLevel())
.as("Gradle Java language level in module " + module.getName())
.isNull();
}
}
@NotNull
public Set<UsageDescriptor> getProjectUsages(@NotNull Project project) {
final Set<String> languageLevels = new HashSet<String>();
for (Module module : ModuleManager.getInstance(project).getModules()) {
final LanguageLevelModuleExtension instance =
LanguageLevelModuleExtension.getInstance(module);
final LanguageLevel languageLevel = instance.getLanguageLevel();
if (languageLevel != null) {
languageLevels.add(languageLevel.getPresentableText());
}
}
languageLevels.add(
LanguageLevelProjectExtension.getInstance(project).getLanguageLevel().getPresentableText());
return ContainerUtil.map2Set(
languageLevels,
new Function<String, UsageDescriptor>() {
@Override
public UsageDescriptor fun(String languageLevel) {
return new UsageDescriptor(languageLevel, 1);
}
});
}
public static void withLevel(final Module module, final LanguageLevel level, final Runnable r) {
final LanguageLevelProjectExtension projectExt =
LanguageLevelProjectExtension.getInstance(module.getProject());
final LanguageLevel projectLevel = projectExt.getLanguageLevel();
final LanguageLevel moduleLevel =
LanguageLevelModuleExtension.getInstance(module).getLanguageLevel();
try {
projectExt.setLanguageLevel(level);
setModuleLanguageLevel(module, level);
r.run();
} finally {
setModuleLanguageLevel(module, moduleLevel);
projectExt.setLanguageLevel(projectLevel);
}
}
@Override
public void invoke(@NotNull final Project project, final Editor editor, final PsiFile file)
throws IncorrectOperationException {
final VirtualFile virtualFile = file.getVirtualFile();
LOG.assertTrue(virtualFile != null);
final Module module = ModuleUtilCore.findModuleForFile(virtualFile, project);
final LanguageLevel moduleLevel =
module == null ? null : LanguageLevelModuleExtension.getInstance(module).getLanguageLevel();
if (moduleLevel != null && isLanguageLevelAcceptable(project, module, myLevel)) {
final ModifiableRootModel rootModel =
ModuleRootManager.getInstance(module).getModifiableModel();
rootModel.getModuleExtension(LanguageLevelModuleExtension.class).setLanguageLevel(myLevel);
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
@Override
public void run() {
rootModel.commit();
}
});
} else {
LanguageLevelProjectExtension.getInstance(project).setLanguageLevel(myLevel);
}
}