public void testFindField() throws Exception {
final Field field = ReflectionUtil.findField(B.class, String.class, "privateA");
assertNotNull(field);
assertEquals(String.class, field.getType());
assertEquals("privateA", field.getName());
try {
ReflectionUtil.findField(B.class, String.class, "whatever");
} catch (NoSuchFieldException e) {
return;
}
fail();
}
@NotNull
public static Icon getIcon(@NonNls @NotNull final String path) {
Class callerClass = ReflectionUtil.getGrandCallerClass();
assert callerClass != null : path;
return getIcon(path, callerClass);
}
public static void clearOwnFields(@NotNull Object object) {
final Field[] all = object.getClass().getDeclaredFields();
for (Field each : all) {
if ((each.getModifiers() & (Modifier.FINAL | Modifier.STATIC)) > 0) continue;
ReflectionUtil.resetField(object, each);
}
}
public void serializeInto(
@NotNull Object o, @NotNull Element element, @NotNull SerializationFilter filter) {
for (Binding binding : myPropertyBindings.keySet()) {
Accessor accessor = myPropertyBindings.get(binding);
if (!filter.accepts(accessor, o)) {
continue;
}
// todo: optimize. Cache it.
Property property = accessor.getAnnotation(Property.class);
if (property != null && property.filter() != SerializationFilter.class) {
try {
if (!ReflectionUtil.newInstance(property.filter()).accepts(accessor, o)) {
continue;
}
} catch (RuntimeException e) {
throw new XmlSerializationException(e);
}
}
Object node = binding.serialize(o, element, filter);
if (node != null) {
if (node instanceof org.jdom.Attribute) {
element.setAttribute((org.jdom.Attribute) node);
} else {
JDOMUtil.addContent(element, node);
}
}
}
}
@Override
@Nullable
public BaseControl createCustomControl(
final Type type, DomWrapper<String> wrapper, final boolean commitOnEveryChange) {
final Function<DomWrapper<String>, BaseControl> factory =
myCustomControlCreators.get(ReflectionUtil.getRawType(type));
return factory == null ? null : factory.fun(wrapper);
}
public AwtPopupWrapper(Popup popup) {
myPopup = popup;
if (SystemInfo.isMac && UIUtil.isUnderAquaLookAndFeel()) {
final Component c =
(Component) ReflectionUtil.getField(Popup.class, myPopup, Component.class, "component");
c.setBackground(UIUtil.getPanelBackground());
}
}
public void dispose() {
try {
myVirtualMachine.dispose();
} catch (UnsupportedOperationException e) {
LOG.info(e);
}
// Memory leak workaround, see IDEA-163334
TargetVM target =
ReflectionUtil.getField(
myVirtualMachine.getClass(), myVirtualMachine, TargetVM.class, "target");
if (target != null) {
Thread controller =
ReflectionUtil.getField(target.getClass(), target, Thread.class, "eventController");
if (controller != null) {
controller.stop();
}
}
}
@Nullable
/**
* Might return null if icon was not found. Use only if you expected null return value, otherwise
* see {@link IconLoader#getIcon(java.lang.String)}
*/
public static Icon findIcon(@NonNls @NotNull String path) {
Class callerClass = ReflectionUtil.getGrandCallerClass();
if (callerClass == null) return null;
return findIcon(path, callerClass);
}
public static boolean isTagValueGetter(final JavaMethod method) {
if (!isGetter(method)) {
return false;
}
if (hasTagValueAnnotation(method)) {
return true;
}
if ("getValue".equals(method.getName())) {
if (method.getAnnotation(SubTag.class) != null) return false;
if (method.getAnnotation(SubTagList.class) != null) return false;
if (method.getAnnotation(Convert.class) != null
|| method.getAnnotation(Resolve.class) != null) {
return !ReflectionUtil.isAssignable(GenericDomValue.class, method.getReturnType());
}
if (ReflectionUtil.isAssignable(DomElement.class, method.getReturnType())) return false;
return true;
}
return false;
}
static {
Class<?> aClass = null;
Set<String> files = null;
try {
aClass = Class.forName("java.io.DeleteOnExitHook");
files = ReflectionUtil.getField(aClass, null, Set.class, "files");
} catch (Exception ignored) {
}
DELETE_ON_EXIT_HOOK_CLASS = aClass;
DELETE_ON_EXIT_HOOK_DOT_FILES = files;
}
public static void addStringsFromClassToStatics(@NotNull Class aClass) {
for (Field field : aClass.getDeclaredFields()) {
if ((field.getModifiers() & Modifier.STATIC) == 0) continue;
if ((field.getModifiers() & Modifier.PUBLIC) == 0) continue;
if (!String.class.equals(field.getType())) continue;
String typeName = ReflectionUtil.getStaticFieldValue(aClass, String.class, field.getName());
if (typeName != null) {
staticIntern(typeName);
}
}
}
public void hide(boolean dispose) {
myPopup.hide();
Window wnd = getWindow();
if (wnd instanceof JWindow) {
JRootPane rootPane = ((JWindow) wnd).getRootPane();
if (rootPane != null) {
ReflectionUtil.resetField(rootPane, "clientProperties");
}
}
}
@NotNull
protected <T extends NodeDescriptor> List<T> getSelectedNodes(final Class<T> nodeClass) {
TreePath[] paths = getSelectionPaths();
if (paths == null) return Collections.emptyList();
final ArrayList<T> result = new ArrayList<T>();
for (TreePath path : paths) {
Object lastPathComponent = path.getLastPathComponent();
if (lastPathComponent instanceof DefaultMutableTreeNode) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) lastPathComponent;
Object userObject = node.getUserObject();
if (userObject != null && ReflectionUtil.isAssignable(nodeClass, userObject.getClass())) {
result.add((T) userObject);
}
}
}
return result;
}
@Nullable
private static Icon getAquaMenuInvertedIcon() {
if (!UIUtil.isUnderAquaLookAndFeel()) return null;
final Icon arrow = (Icon) UIManager.get("Menu.arrowIcon");
if (arrow == null) return null;
try {
final Method method = ReflectionUtil.getMethod(arrow.getClass(), "getInvertedIcon");
if (method != null) {
return (Icon) method.invoke(arrow);
}
return null;
} catch (InvocationTargetException e1) {
return null;
} catch (IllegalAccessException e1) {
return null;
}
}
@Override
@Nullable
public PsiElement findElementAt(int offset, @NotNull Class<? extends Language> lang) {
final PsiFile mainRoot = getPsi(getBaseLanguage());
PsiElement ret = null;
for (final Language language : getLanguages()) {
if (!ReflectionUtil.isAssignable(lang, language.getClass())) continue;
if (lang.equals(Language.class) && !getLanguages().contains(language)) continue;
final PsiFile psiRoot = getPsi(language);
final PsiElement psiElement = findElementAt(psiRoot, offset);
if (psiElement == null || psiElement instanceof OuterLanguageElement) continue;
if (ret == null || psiRoot != mainRoot) {
ret = psiElement;
}
}
return ret;
}
@NotNull
private static ConfigImportSettings getConfigImportSettings() {
try {
@SuppressWarnings("unchecked")
Class<ConfigImportSettings> customProviderClass =
(Class<ConfigImportSettings>)
Class.forName(
"com.intellij.openapi.application."
+ PlatformUtils.getPlatformPrefix()
+ "ConfigImportSettings");
if (ConfigImportSettings.class.isAssignableFrom(customProviderClass)) {
return ReflectionUtil.newInstance(customProviderClass);
}
} catch (ClassNotFoundException ignored) {
} catch (RuntimeException ignored) {
}
return new ConfigImportSettings();
}
public void testResetField() throws Exception {
final Reset reset = new Reset();
ReflectionUtil.resetField(reset, String.class, "STRING");
assertNull(reset.STRING);
ReflectionUtil.resetField(reset, boolean.class, "BOOLEAN");
assertFalse(reset.BOOLEAN);
ReflectionUtil.resetField(reset, int.class, "INT");
assertEquals(0, reset.INT);
ReflectionUtil.resetField(reset, double.class, "DOUBLE");
assertEquals(0d, reset.DOUBLE);
ReflectionUtil.resetField(reset, float.class, "FLOAT");
assertEquals(0f, reset.FLOAT);
ReflectionUtil.resetField(Reset.class, String.class, "STATIC_STRING");
assertNull(Reset.STATIC_STRING);
}
static void initializePlugins(@Nullable StartupProgress progress) {
configureExtensions();
final IdeaPluginDescriptorImpl[] pluginDescriptors = loadDescriptors(progress);
final Class callerClass = ReflectionUtil.findCallerClass(1);
assert callerClass != null;
final ClassLoader parentLoader = callerClass.getClassLoader();
final List<IdeaPluginDescriptorImpl> result = new ArrayList<IdeaPluginDescriptorImpl>();
final HashMap<String, String> disabledPluginNames = new HashMap<String, String>();
for (IdeaPluginDescriptorImpl descriptor : pluginDescriptors) {
if (descriptor.getPluginId().getIdString().equals(CORE_PLUGIN_ID)) {
final List<String> modules = descriptor.getModules();
if (modules != null) {
ourAvailableModules.addAll(modules);
}
}
if (!shouldSkipPlugin(descriptor, pluginDescriptors)) {
result.add(descriptor);
} else {
descriptor.setEnabled(false);
disabledPluginNames.put(descriptor.getPluginId().getIdString(), descriptor.getName());
initClassLoader(parentLoader, descriptor);
}
}
prepareLoadingPluginsErrorMessage(filterBadPlugins(result, disabledPluginNames));
final Map<PluginId, IdeaPluginDescriptorImpl> idToDescriptorMap =
new HashMap<PluginId, IdeaPluginDescriptorImpl>();
for (final IdeaPluginDescriptorImpl descriptor : result) {
idToDescriptorMap.put(descriptor.getPluginId(), descriptor);
}
final IdeaPluginDescriptor corePluginDescriptor =
idToDescriptorMap.get(PluginId.getId(CORE_PLUGIN_ID));
assert corePluginDescriptor != null
: CORE_PLUGIN_ID
+ " not found; platform prefix is "
+ System.getProperty(PlatformUtilsCore.PLATFORM_PREFIX_KEY);
for (IdeaPluginDescriptorImpl descriptor : result) {
if (descriptor != corePluginDescriptor) {
descriptor.insertDependency(corePluginDescriptor);
}
}
mergeOptionalConfigs(idToDescriptorMap);
// sort descriptors according to plugin dependencies
Collections.sort(result, getPluginDescriptorComparator(idToDescriptorMap));
for (int i = 0; i < result.size(); i++) {
ourId2Index.put(result.get(i).getPluginId(), i);
}
int i = 0;
for (final IdeaPluginDescriptorImpl pluginDescriptor : result) {
if (pluginDescriptor.getPluginId().getIdString().equals(CORE_PLUGIN_ID)
|| pluginDescriptor.isUseCoreClassLoader()) {
pluginDescriptor.setLoader(parentLoader, true);
} else {
final List<File> classPath = pluginDescriptor.getClassPath();
final PluginId[] dependentPluginIds = pluginDescriptor.getDependentPluginIds();
final ClassLoader[] parentLoaders = getParentLoaders(idToDescriptorMap, dependentPluginIds);
final ClassLoader pluginClassLoader =
createPluginClassLoader(
classPath.toArray(new File[classPath.size()]),
parentLoaders.length > 0 ? parentLoaders : new ClassLoader[] {parentLoader},
pluginDescriptor);
pluginDescriptor.setLoader(pluginClassLoader, true);
}
pluginDescriptor.registerExtensions();
if (progress != null) {
progress.showProgress(
"", PLUGINS_PROGRESS_MAX_VALUE + (i++ / (float) result.size()) * 0.35f);
}
}
ourPlugins = pluginDescriptors;
}
public Window getWindow() {
final Component c =
(Component) ReflectionUtil.getField(Popup.class, myPopup, Component.class, "component");
return c instanceof JWindow ? (JWindow) c : null;
}
@Override
public T createElement() {
return ReflectionUtil.newInstance(itemEditor.getItemClass());
}
@Nullable
public static Image loadFromResource(@NonNls @NotNull String s) {
Class callerClass = ReflectionUtil.getGrandCallerClass();
if (callerClass == null) return null;
return loadFromResource(s, callerClass);
}
private static void resetPopupTrigger(final MouseEvent e) {
ReflectionUtil.setField(MouseEvent.class, e, boolean.class, "popupTrigger", false);
}
/**
* This method patches event if it concerns side buttons like 4 (Backward) or 5 (Forward) AND it's
* not single-click event. We won't support double-click for side buttons. Also some JDK bugs
* produce zero-click events for side buttons.
*
* @return true if event was patched
*/
public static boolean patchClickCount(final MouseEvent e) {
if (e.getClickCount() != 1 && e.getButton() > 3) {
ReflectionUtil.setField(MouseEvent.class, e, int.class, "clickCount", 1);
}
return false;
}
@Override
@Nullable
protected Class create(final Couple<Type> key) {
return ReflectionUtil.substituteGenericType(key.first, key.second);
}