Java ObjectUtil类代码示例

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@NotNull
@RequiredReadAction
public static DotNetTypeRef resolveTypeForParameter(CSharpLambdaExpressionImpl target, int parameterIndex)
{
	CSharpLambdaResolveResult leftTypeRef = resolveLeftLambdaTypeRef(target);
	if(leftTypeRef == null)
	{
		return DotNetTypeRef.ERROR_TYPE;
	}

	if(leftTypeRef == CSharpUndefinedLambdaResolveResult.INSTANCE)
	{
		return DotNetTypeRef.UNKNOWN_TYPE;
	}
	DotNetTypeRef[] leftTypeParameters = leftTypeRef.getParameterTypeRefs();
	DotNetTypeRef typeRef = ArrayUtil2.safeGet(leftTypeParameters, parameterIndex);
	return ObjectUtil.notNull(typeRef, DotNetTypeRef.ERROR_TYPE);
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@RequiredReadAction
@Nullable
@Override
public HighlightInfoFactory checkImpl(@NotNull CSharpLanguageVersion languageVersion, @NotNull CSharpHighlightContext highlightContext, @NotNull CSharpMethodDeclaration element)
{
	DotNetParameter[] parameters = element.getParameters();
	if(parameters.length > 0 && parameters[0].hasModifier(CSharpModifier.THIS))
	{
		PsiElement parent = element.getParent();
		if(parent instanceof CSharpTypeDeclaration)
		{
			if(((CSharpTypeDeclaration) parent).getGenericParametersCount() > 0 || !((CSharpTypeDeclaration) parent).hasModifier(DotNetModifier.STATIC))
			{
				return newBuilder(ObjectUtil.notNull(element.getNameIdentifier(), element), formatElement(element));
			}
		}
	}
	return super.checkImpl(languageVersion, highlightContext, element);
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@RequiredReadAction
@Nullable
@Override
public HighlightInfoFactory checkImpl(@NotNull CSharpLanguageVersion languageVersion, @NotNull CSharpHighlightContext highlightContext, @NotNull DotNetModifierListOwner element)
{
	PsiElement parent = element.getParent();
	if(parent instanceof DotNetTypeDeclaration && ((DotNetTypeDeclaration) parent).hasModifier(DotNetModifier.STATIC))
	{
		if(CSharpPsiUtilImpl.isTypeLikeElement(element))
		{
			return null;
		}
		if(!element.hasModifier(DotNetModifier.STATIC))
		{
			PsiElement nameIdentifier = ((PsiNameIdentifierOwner) element).getNameIdentifier();
			return newBuilder(ObjectUtil.notNull(nameIdentifier, element), formatElement(element)).addQuickFix(new AddModifierFix
					(DotNetModifier.STATIC, element));
		}
	}
	return null;
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@Override
@SuppressWarnings({"EmptyCatchBlock"})
@Nullable
public Document getDocument() {
  if (myDocument == null) {
    if (isBinary()) return null;

    String text = null;
    try {
      Charset charset = ObjectUtil
              .notNull(myCharset, EncodingProjectManager.getInstance(myProject).getDefaultCharset());
      text = CharsetToolkit.bytesToString(myBytes, charset);
    }
    catch (IllegalCharsetNameException e) {
    }

    //  Still NULL? only if not supported or an exception was thrown.
    //  Decode a string using the truly default encoding.
    if (text == null) text = new String(myBytes);
    text = LineTokenizer.correctLineSeparators(text);

    myDocument = EditorFactory.getInstance().createDocument(text);
    myDocument.setReadOnly(true);
  }
  return myDocument;
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@Messages.YesNoCancelResult
public int show() {
  String yesText = ObjectUtil.chooseNotNull(myYesText, Messages.YES_BUTTON);
  String noText = ObjectUtil.chooseNotNull(myNoText, Messages.NO_BUTTON);
  String cancelText = ObjectUtil.chooseNotNull(myCancelText, Messages.CANCEL_BUTTON);
  try {
    if (Messages.canShowMacSheetPanel() && !Messages.isApplicationInUnitTestOrHeadless()) {
      return MacMessages.getInstance().showYesNoCancelDialog(myTitle, myMessage, yesText, noText, cancelText, WindowManager.getInstance().suggestParentWindow(myProject), myDoNotAskOption);
    }
  }
  catch (Exception ignored) {}

  int buttonNumber = Messages.showDialog(myProject, myMessage, myTitle, new String[]{yesText, noText, cancelText}, 0, myIcon, myDoNotAskOption);
  return buttonNumber == 0 ? Messages.YES : buttonNumber == 1 ? Messages.NO : Messages.CANCEL;

}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@Override
protected void processKeyEvent(KeyEvent e){
  if (!myProcessCursorKeys) {
    super.processKeyEvent(e);
    return;
  }

  int keyCode = e.getKeyCode();
  final int selColumn = columnModel.getSelectionModel().getAnchorSelectionIndex();
  boolean treeHasFocus = selColumn == -1 || selColumn >= 0 && isTreeColumn(selColumn);
  boolean oneRowSelected = getSelectedRowCount() == 1;
  if(treeHasFocus && oneRowSelected && ((keyCode == KeyEvent.VK_LEFT) || (keyCode == KeyEvent.VK_RIGHT))){
    myTree._processKeyEvent(e);
    int rowToSelect = ObjectUtil.notNull(myTree.getSelectionRows())[0];
    getSelectionModel().setSelectionInterval(rowToSelect, rowToSelect);
    TableUtil.scrollSelectionToVisible(this);
  }
  else{
    super.processKeyEvent(e);
  }
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@RequiredDispatchThread
@Override
public void update(@Nonnull AnActionEvent e) {
  if (!EarlyAccessProgramManager.is(ServiceAuthEarlyAccessProgramDescriptor.class)) {
    e.getPresentation().setEnabledAndVisible(false);
    return;
  }

  ServiceAuthConfiguration configuration = ServiceAuthConfiguration.getInstance();

  Presentation presentation = e.getPresentation();

  String email = configuration.getEmail();
  if (email == null) {
    presentation.setText("Logged as anonymous");
    presentation.setIcon(AllIcons.Actions.LoginAvator);
  }
  else {
    presentation.setText("Logged as '" + email + "'");

    Icon userIcon = configuration.getUserIcon();
    presentation.setIcon(ObjectUtil.notNull(userIcon, AllIcons.Actions.LoginAvator));
  }
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@Nonnull
@Override
public Set<WatchRequest> replaceWatchedRoots(@Nonnull Collection<WatchRequest> watchRequests,
                                             @Nullable Collection<String> recursiveRoots,
                                             @Nullable Collection<String> flatRoots) {
  recursiveRoots = ObjectUtil.notNull(recursiveRoots, Collections.emptyList());
  flatRoots = ObjectUtil.notNull(flatRoots, Collections.emptyList());

  Set<WatchRequest> result = new HashSet<>();
  synchronized (myLock) {
    boolean update = doAddRootsToWatch(recursiveRoots, flatRoots, result) |
                     doRemoveWatchedRoots(watchRequests);
    if (update) {
      myNormalizedTree = null;
      setUpFileWatcher();
    }
  }
  return result;
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@Override
@SuppressWarnings("unchecked")
public <T> T getData(@Nonnull Key<T> dataId) {
  int currentEventCount = IdeEventQueue.getInstance().getEventCount();
  if (myEventCount != -1 && myEventCount != currentEventCount) {
    LOG.error("cannot share data context between Swing events; initial event count = " + myEventCount + "; current event count = " + currentEventCount);
    return doGetData(dataId);
  }

  if (ourSafeKeys.contains(dataId)) {
    Object answer = myCachedData.get(dataId);
    if (answer == null) {
      answer = doGetData(dataId);
      myCachedData.put(dataId, answer == null ? ObjectUtil.NULL : answer);
    }
    return answer != ObjectUtil.NULL ? (T)answer : null;
  }
  else {
    return doGetData(dataId);
  }
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
  if (method.getDeclaringClass() == Object.class) {
    return method.invoke(myRemote, args);
  }
  else {
    Method m = ourRemoteToLocalMap.get(Pair.<Class<?>, Class<?>>create(myRemote.getClass(), myClazz)).get(method);
    if (m == null) throw new NoSuchMethodError(method.getName() + " in " + myRemote.getClass());
    try {
      return handleRemoteResult(m.invoke(myRemote, args), method.getReturnType(), myLoader, false);
    }
    catch (InvocationTargetException e) {
      Throwable cause = e.getCause(); // root cause may go deeper than we need, so leave it like this
      if (cause instanceof ServerError) cause = ObjectUtil.chooseNotNull(cause.getCause(), cause);
      if (cause instanceof RuntimeException) throw cause;
      if (cause instanceof Error) throw cause;
      if (canThrow(cause, method)) throw cause;
      throw new RuntimeException(cause);
    }
  }
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@RequiredReadAction
@Nullable
@Override
public PsiPackage findPackage(@Nonnull String qualifiedName, @Nonnull Class<? extends ModuleExtension> extensionClass) {
  ConcurrentMap<String, Object> map = myPackageCache.get(extensionClass);
  if (map != null) {
    final Object value = map.get(qualifiedName);
    // if we processed - but not found package
    if (value == ObjectUtil.NULL) {
      return null;
    }
    else if (value != null) {
      return (PsiPackage)value;
    }
  }

  PsiPackage newPackage = createPackage(qualifiedName, extensionClass);

  Object valueForInsert = ObjectUtil.notNull(newPackage, ObjectUtil.NULL);

  myPackageCache.computeIfAbsent(extensionClass, aClass -> ContainerUtil.newConcurrentMap()).putIfAbsent(qualifiedName, valueForInsert);

  return newPackage;
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
private Object calculateRoot(DataContext dataContext) {
  // Narrow down the root element to the first interesting one
  Object root = dataContext.getData(LangDataKeys.MODULE);
  if (root != null) return root;

  Project project = dataContext.getData(CommonDataKeys.PROJECT);
  if (project == null) return null;

  Object projectChild;
  Object projectGrandChild = null;

  CommonProcessors.FindFirstAndOnlyProcessor<Object> processor = new CommonProcessors.FindFirstAndOnlyProcessor<>();
  processChildren(project, processor);
  projectChild = processor.reset();
  if (projectChild != null) {
    processChildren(projectChild, processor);
    projectGrandChild = processor.reset();
  }
  return ObjectUtil.chooseNotNull(projectGrandChild, ObjectUtil.chooseNotNull(projectChild, project));
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@Nullable
public static String getJsonGetPropertyName(@NotNull Method method)
{
	JomPropertyGetter annotation = method.getAnnotation(JomPropertyGetter.class);
	if(annotation == null)
	{
		return null;
	}

	String propertyName = StringUtil.getPropertyName(method.getName());
	propertyName = ObjectUtil.notNull(propertyName, method.getName());
	if(!StringUtil.isEmpty(annotation.value()))
	{
		propertyName = annotation.value();
	}
	return propertyName;
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
private static Sdk createAlternativeJdk(@NotNull String jreHome) throws CantRunException
{
	final Sdk configuredJdk = SdkTable.getInstance().findSdk(jreHome);
	if(configuredJdk != null)
	{
		return configuredJdk;
	}

	if(!OwnJdkUtil.checkForJre(jreHome))
	{
		throw new CantRunException(JavaExecutionBundle.message("jre.path.is.not.valid.jre.home.error.message", jreHome));
	}

	final JavaSdk javaSdk = JavaSdk.getInstance();
	return javaSdk.createJdk(ObjectUtil.notNull(javaSdk.getVersionString(jreHome), ""), jreHome);
}
 

import com.intellij.util.ObjectUtil; //导入依赖的package包/类
@Nullable
@RequiredReadAction
public String getGUID(@NotNull VirtualFile virtualFile)
{
	String name = virtualFile.getName();

	VirtualFile parent = virtualFile.getParent();
	if(parent == null)
	{
		return null;
	}

	int targetId = FileBasedIndex.getFileId(virtualFile);

	Object o = myGUIDs.computeIfAbsent(targetId, integer ->
	{
		VirtualFile child = parent.findChild(name + "." + Unity3dMetaFileType.INSTANCE.getDefaultExtension());
		if(child != null)
		{
			String guid = null;
			PsiFile file = PsiManager.getInstance(myProject).findFile(child);
			if(file instanceof YAMLFile)
			{
				guid = Unity3dMetaIndexExtension.findGUIDFromFile((YAMLFile) file);
			}
			return guid == null ? ObjectUtil.NULL : guid;
		}
		return ObjectUtil.NULL;
	});
	return o instanceof String ? (String) o : null;
}