Java NestingKind.TOP_LEVEL屬性代碼示例

private void findBuilder() {
    if (classElement.getNestingKind() != NestingKind.TOP_LEVEL || builder) {
        return;
    }
    Collection<? extends BuilderResolver> resolvers = MimeLookup.getLookup(JavaFXEditorUtils.FXML_MIME_TYPE).lookupAll(BuilderResolver.class);
    for (BuilderResolver r : resolvers) {
        String builderName = r.findBuilderClass(compilationInfo, null, className);
        if (builderName != null) {
            FxBean builderBean = provider.getBeanInfo(builderName);
            if (builderBean != null) {
                resultInfo.setBuilder(builderBean);
                builderBean.makeBuilder(resultInfo);
                return;
            }
        }
    }
}
 

public static TargetDescription create(CompilationInfo info, TypeElement type, TreePath path, boolean allowForDuplicates, boolean iface) {
    boolean canStatic = true;
    if (iface) {
        // interface cannot have static methods
        canStatic = false;
    } else {
        if (type.getNestingKind() == NestingKind.ANONYMOUS || 
            type.getNestingKind() == NestingKind.LOCAL ||
            (type.getNestingKind() != NestingKind.TOP_LEVEL && !type.getModifiers().contains(Modifier.STATIC))) {
            canStatic = false;
        }
    }
    return new TargetDescription(Utilities.target2String(type), 
            ElementHandle.create(type), 
            TreePathHandle.create(path, info),
            allowForDuplicates, 
            type.getSimpleName().length() == 0, iface, canStatic);
}
 

public String generateComment(TypeElement clazz, CompilationInfo javac) {
        StringBuilder builder = new StringBuilder(
//                "/**\n" + // NOI18N
                "\n" // NOI18N
                );
        
        if (clazz.getNestingKind() == NestingKind.TOP_LEVEL) {
            builder.append("@author ").append(author).append("\n"); // NOI18N
        }
        
        if (SourceVersion.RELEASE_5.compareTo(srcVersion) <= 0) {
            for (TypeParameterElement param : clazz.getTypeParameters()) {
                builder.append("@param <").append(param.getSimpleName().toString()).append("> \n"); // NOI18N
            }
        }
        
        if (SourceVersion.RELEASE_5.compareTo(srcVersion) <= 0 &&
                JavadocUtilities.isDeprecated(javac, clazz)) {
            builder.append("@deprecated\n"); // NOI18N
        }
        
//        builder.append("*/\n"); // NOI18N

        return builder.toString();
    }
 

private static String getParentChain(final TypeElement targetClass) {
	// if input is top level class return it
	// otherwise return the parent chain plus it

	if (targetClass.getNestingKind() == NestingKind.TOP_LEVEL) {
		return targetClass.getSimpleName().toString();
	} else {
		final Element parent = targetClass.getEnclosingElement();

		if (parent.getKind() != ElementKind.CLASS) {
			throw new RuntimeException("Cannot create parent chain. Non-class parent found.");
		}

		return (getParentChain((TypeElement) parent)) + "_" + targetClass.getSimpleName().toString();
	}
}
 

@Override
public Void visitClass(ClassTree node, Map<ErrorDescription, Integer> p) {
    Element e = ci.getTrees().getElement(getCurrentPath());
    if (e != null) {
        if (((TypeElement)e).getNestingKind() != NestingKind.TOP_LEVEL) {
            addError(node, ERR_ONLY_TOP_LEVEL_CLASS, p);
        } else {
            btraceClassName = ((TypeElement)e).getQualifiedName().toString();
            if (e.getModifiers().contains(Modifier.PRIVATE) ||
                e.getModifiers().contains(Modifier.PROTECTED)) {
                addError(node, ERR_CLASS_PUBLIC_OR_DEFAULT, p);
            } else if (!e.getModifiers().contains(Modifier.PUBLIC)) {
                isShortSyntax = true;
            }
        }
    }
    return super.visitClass(node, p);
}
 

static boolean enclosingClassValid(ProcessorContext context, TypeElement enclosingClass){

		// protected, package-private, and public all allow same package
		// access
		if (enclosingClass.getModifiers().contains(Modifier.PRIVATE)) {
			context.messager().printMessage(Kind.ERROR,
					"class cannot be private",
					enclosingClass);
			return false;
		}

		if (enclosingClass.getNestingKind() != NestingKind.TOP_LEVEL
				    && !enclosingClass.getModifiers().contains(Modifier.STATIC)) {
			context.messager().printMessage(Kind.ERROR,
					"class is nested but not static", enclosingClass);
			return false;
		}
		return true;
	}
 

/**
 * Gets the class access flags (see JVMS8 4.1) for the given type element as they should appear in
 * the ClassNode of a class file. Inner-class specific flags are not allowed in that node,
 * presumably for compatibility reasons.
 */
public int getAccessFlagsForClassNode(TypeElement e) {
  // Static never makes it into the file for classes
  int accessFlags = getAccessFlags(e) & ~Opcodes.ACC_STATIC;
  if (e.getNestingKind() != NestingKind.TOP_LEVEL) {
    if (e.getModifiers().contains(Modifier.PROTECTED)) {
      // It looks like inner classes with protected visibility get marked as public, and then
      // their InnerClasses attributes override that more specifically
      accessFlags = (accessFlags & ~Opcodes.ACC_PROTECTED) | Opcodes.ACC_PUBLIC;
    } else if (e.getModifiers().contains(Modifier.PRIVATE)) {
      // It looks like inner classes with private visibility get marked as package, and then
      // their InnerClasses attributes override that more specifically
      accessFlags = (accessFlags & ~Opcodes.ACC_PRIVATE);
    }
  }

  return accessFlags;
}
 

private ReplaceConstructorWithBuilderUI(TreePathHandle constructor, CompilationInfo info) {
    this.refactoring = new ReplaceConstructorWithBuilderRefactoring(constructor);
    ExecutableElement contructorElement = (ExecutableElement) constructor.resolveElement(info);
    this.name = contructorElement.getSimpleName().toString();
    MethodTree constTree = (MethodTree) constructor.resolve(info).getLeaf();
    paramaterNames = new ArrayList<String>();
    parameterTypes = new ArrayList<String>();
    parameterTypeVars = new ArrayList<Boolean>();
    boolean varargs = contructorElement.isVarArgs();
    List<? extends VariableElement> parameterElements = contructorElement.getParameters();
    List<? extends VariableTree> parameters = constTree.getParameters();
    for (int i = 0; i < parameters.size(); i++) {
        VariableTree var = parameters.get(i);
        paramaterNames.add(var.getName().toString());
        String type = contructorElement.getParameters().get(i).asType().toString();
        if(varargs && i+1 == parameters.size()) {
            if(var.getType().getKind() == Tree.Kind.ARRAY_TYPE) {
                ArrayTypeTree att = (ArrayTypeTree) var.getType();
                type = att.getType().toString();
                type += "..."; //NOI18N
            }
        }
        parameterTypes.add(type);
        parameterTypeVars.add(parameterElements.get(i).asType().getKind() == TypeKind.TYPEVAR);
    }
    TypeElement typeEl = (TypeElement) contructorElement.getEnclosingElement();
    if(typeEl.getNestingKind() != NestingKind.TOP_LEVEL) {
        PackageElement packageOf = info.getElements().getPackageOf(typeEl);
        builderFQN = packageOf.toString() + "." + typeEl.getSimpleName().toString();
    } else {
        builderFQN = typeEl.getQualifiedName().toString();
    }
    buildMethodName = "create" + typeEl.getSimpleName();
}
 

@TriggerTreeKind(Tree.Kind.BLOCK)
public static ErrorDescription run(HintContext ctx) {
    TreePath path = ctx.getPath();
    if (((BlockTree)path.getLeaf()).isStatic()) {
        return null;
    }
    TreePath parentPath = path.getParentPath();
    if (parentPath == null) {
        return null;
    }
    Tree l = parentPath.getLeaf();
    if (!(l instanceof ClassTree)) {
        return null;
    }
    Element el = ctx.getInfo().getTrees().getElement(parentPath);
    if (el == null || !el.getKind().isClass()) {
        return null;
    }
    TypeElement tel = (TypeElement)el;
    // do not suggest for anonymous classes, local classes or members which are not static.
    if (tel.getNestingKind() != NestingKind.TOP_LEVEL && 
        (tel.getNestingKind() != NestingKind.MEMBER || !tel.getModifiers().contains(Modifier.STATIC))) {
        return null;
    }
    InstanceRefFinder finder = new InstanceRefFinder(ctx.getInfo(), path);
    finder.process();
    if (finder.containsInstanceReferences() || finder.containsReferencesToSuper()) {
        return null;
    }
    
    return ErrorDescriptionFactory.forTree(ctx, path, Bundle.TEXT_InitializerCanBeStatic(),
            new MakeInitStatic(TreePathHandle.create(path, ctx.getInfo())).toEditorFix());
}
 

/**
 * computes name of throws clause to work around
 * <a href="http://www.netbeans.org/issues/show_bug.cgi?id=160414">issue 160414</a>.
 */
private static String resolveThrowsName(Element el, String fqn, ExpressionTree throwTree) {
    boolean nestedClass = ElementKind.CLASS == el.getKind()
            && NestingKind.TOP_LEVEL != ((TypeElement) el).getNestingKind();
    String insertName = nestedClass ? fqn : throwTree.toString();
    return insertName;
}
 

@TriggerPatterns(value = {
    @TriggerPattern(value = JPAAnnotations.ENTITY),
    @TriggerPattern(value = JPAAnnotations.EMBEDDABLE),
    @TriggerPattern(value = JPAAnnotations.MAPPED_SUPERCLASS)})
public static ErrorDescription apply(HintContext hc) {
    if (hc.isCanceled() || (hc.getPath().getLeaf().getKind() != Tree.Kind.IDENTIFIER || hc.getPath().getParentPath().getLeaf().getKind() != Tree.Kind.ANNOTATION)) {//NOI18N
        return null;//we pass only if it is an annotation
    }

    final JPAProblemContext ctx = ModelUtils.getOrCreateCachedContext(hc);
    if (ctx == null || hc.isCanceled()) {
        return null;
    }

    TypeElement subject = ctx.getJavaClass();
    
    if (subject.getNestingKind() == NestingKind.TOP_LEVEL){
        return null;
    }
    TreePath par = hc.getPath();
    while (par != null && par.getParentPath() != null && par.getLeaf().getKind() != Tree.Kind.CLASS) {
        par = par.getParentPath();
    }

    Utilities.TextSpan underlineSpan = Utilities.getUnderlineSpan(
            ctx.getCompilationInfo(), par.getLeaf());

    return ErrorDescriptionFactory.forSpan(
            hc,
            underlineSpan.getStartOffset(),
            underlineSpan.getEndOffset(),
            NbBundle.getMessage(TopLevelClass.class, "MSG_NestedClassAsEntity"));        
}
 

ComponentDescriptor( @Nonnull final String name,
                     @Nonnull final PackageElement packageElement,
                     @Nonnull final TypeElement element )
{
  _name = Objects.requireNonNull( name );
  _packageElement = Objects.requireNonNull( packageElement );
  _element = Objects.requireNonNull( element );

  if ( ElementKind.CLASS != element.getKind() )
  {
    throw new ReactProcessorException( "@ReactComponent target must be a class", element );
  }
  else if ( element.getModifiers().contains( Modifier.ABSTRACT ) )
  {
    throw new ReactProcessorException( "@ReactComponent target must not be abstract", element );
  }
  else if ( element.getModifiers().contains( Modifier.FINAL ) )
  {
    throw new ReactProcessorException( "@ReactComponent target must not be final", element );
  }
  else if ( NestingKind.TOP_LEVEL != element.getNestingKind() &&
            !element.getModifiers().contains( Modifier.STATIC ) )
  {
    throw new ReactProcessorException( "@ReactComponent target must not be a non-static nested class", element );
  }

  final List<ExecutableElement> constructors = element.getEnclosedElements().stream().
    filter( m -> m.getKind() == ElementKind.CONSTRUCTOR ).
    map( m -> (ExecutableElement) m ).
    collect( Collectors.toList() );
  if ( !( 1 == constructors.size() &&
          constructors.get( 0 ).getParameters().isEmpty() &&
          !constructors.get( 0 ).getModifiers().contains( Modifier.PRIVATE ) ) )
  {
    throw new ReactProcessorException( "@ReactComponent target must have a single non-private, no-argument " +
                                       "constructor or the default constructor", element );
  }
}
 

private PackageElement getPackage(final TypeElement type) {
	if (type.getNestingKind() == NestingKind.TOP_LEVEL) {
		return (PackageElement) type.getEnclosingElement();
	} else {
		return getPackage((TypeElement) type.getEnclosingElement());
	}
}
 

@DefinedBy(Api.LANGUAGE_MODEL)
public NestingKind getNestingKind() {
    complete();
    if (owner.kind == PCK)
        return NestingKind.TOP_LEVEL;
    else if (name.isEmpty())
        return NestingKind.ANONYMOUS;
    else if (owner.kind == MTH)
        return NestingKind.LOCAL;
    else
        return NestingKind.MEMBER;
}
 

@Override
public NestingKind getNestingKind() {
    require(State.FINISHED);
    boolean isTopLevel = enclosingTypeDeclaration == null;
    return isTopLevel
        ? NestingKind.TOP_LEVEL
        : NestingKind.MEMBER;
}