javax.lang.model.element.TypeElement#getKind ( )源码实例Demo

protected ErrorDescription[] apply(TypeElement subject, ProblemContext ctx) {
    AnnotationMirror annEntity = Utilities.findAnnotation(subject, ANNOTATION_WEBSERVICE);
    AnnotationTree annotationTree = (AnnotationTree) ctx.getCompilationInfo().
            getTrees().getTree(subject, annEntity);
    if (subject.getKind() == ElementKind.CLASS) {
        AnnotationValue seiValue = Utilities.getAnnotationAttrValue(annEntity,
                ANNOTATION_ATTRIBUTE_SEI);
        if (seiValue != null && Utilities.getAnnotationAttrValue(annEntity, 
                    ANNOTATION_ATTRIBUTE_NAME) != null) {
            //check for name attribute
            String label = NbBundle.getMessage(InvalidNameAttribute.class, 
                    "MSG_NameAttributeNotAllowed");
            Tree problemTree = Utilities.getAnnotationArgumentTree
                    (annotationTree, ANNOTATION_ATTRIBUTE_NAME);
            Fix removeFix = new RemoveAnnotationArgument(ctx.getFileObject(),
                    subject, annEntity, ANNOTATION_ATTRIBUTE_NAME);
            ctx.setElementToAnnotate(problemTree);
            ErrorDescription problem = createProblem(subject, ctx, label, removeFix);
            ctx.setElementToAnnotate(null);
            return new ErrorDescription[]{problem};
        }
    }
    return null;
}
 

@Override
protected void lateValidateSuper(TypeElement t) {
  super.lateValidateSuper(t);

  if (t.getKind() == ElementKind.CLASS) {
    String superclassString = SourceExtraction.getSuperclassString(t);
    String rawSuperclass = SourceTypes.extract(superclassString).getKey();
    // We need to extend the base class
    if (!rawSuperclass.equals(typeAbstract().toString())) {
      protoclass()
              .report()
              .withElement(t)
              .error("%s needs to extend the base class",
                      t.getSimpleName());
    }
  }
}
 

@Override public ErrorDescription[] apply(TypeElement subject, ProblemContext ctx){
    if(subject.getKind() == ElementKind.INTERFACE) {
        AnnotationMirror annEntity = Utilities.findAnnotation(subject,ANNOTATION_WEBSERVICE);
        AnnotationTree annotationTree = (AnnotationTree) ctx.getCompilationInfo().
                getTrees().getTree(subject, annEntity);
        //endpointInterface not allowed
        if(Utilities.getAnnotationAttrValue(annEntity, ANNOTATION_ATTRIBUTE_SEI)!=null) {
            String label = NbBundle.getMessage(InterfaceEndpointInterface.class, "MSG_IF_SEINotAllowed");
            Fix fix = new RemoveAnnotationArgument(ctx.getFileObject(),
                    subject, annEntity, ANNOTATION_ATTRIBUTE_SEI);
            Tree problemTree = Utilities.getAnnotationArgumentTree(annotationTree, ANNOTATION_ATTRIBUTE_SEI);
            ctx.setElementToAnnotate(problemTree);
            ErrorDescription problem = createProblem(subject, ctx, label, fix);
            ctx.setElementToAnnotate(null);
            return new ErrorDescription[]{problem};
        }
    }        
    return null;
}
 

private CompletionItem createItem(ElementHandle<TypeElement> handle, int priority) {
    TypeElement el = handle.resolve(ctx.getCompilationInfo());
    if (el == null) {
        // element does not exist etc
        return null;
    }
    if (el.getKind() != ElementKind.CLASS && el.getKind() != ElementKind.ENUM) {
        // do not honour interfaces
        return null;
    }
    if (!el.getModifiers().contains(Modifier.PUBLIC)) {
        return null;
    }
    CompletionItem item = null;
    
    Collection<? extends ClassItemFactory> converters = MimeLookup.getLookup(JavaFXEditorUtils.FXML_MIME_TYPE).lookupAll(ClassItemFactory.class);
    for (ClassItemFactory converter : converters) {
        item = converter.convert(el, ctx, priority);
        if (item != null) {
            break;
        }
    }
    return item;
}
 

public boolean isTableElementValid(TableElement tableElement) {
  final TypeElement rawElement = tableElement.getTableElement();
  if (rawElement.getKind() != ElementKind.CLASS) {
    environment.error(rawElement, ERR_TABLE_MISPLACEMENT);
    return false;
  }
  if (rawElement.getModifiers().contains(ABSTRACT) && !environment.hasAutoValueLib()) {
    environment.error(rawElement, "%s is an abstract class, but project is missing configured AutoValue library [%s] " +
            "and abstract classes by themselves are not supported as table objects",
        rawElement.getSimpleName().toString(),
        environment.getAutoValueAnnotationQualifiedName());
    return false;
  }
  if (tableElement.getAllColumns().isEmpty()) {
    environment.error(rawElement, ERR_MISSING_COLUMNS);
    return false;
  }
  if (tableElement.isImmutable()) {
    return isImmutableTableElementValid(tableElement, rawElement);
  }
  return isRegularTableElementValid(rawElement);
}
 

public static boolean isInjectionTarget(CompilationController controller, TypeElement typeElement) {
    FileObject fo = controller.getFileObject();
    Project project = FileOwnerQuery.getOwner(fo);
    if (ElementKind.INTERFACE != typeElement.getKind()) {
        List<? extends AnnotationMirror> annotations = typeElement.getAnnotationMirrors();
        boolean found = false;

        for (AnnotationMirror m : annotations) {
            Name qualifiedName = ((TypeElement) m.getAnnotationType().asElement()).getQualifiedName();
            if (qualifiedName.contentEquals("javax.jws.WebService")) {
                //NOI18N
                found = true;
                break;
            }
            if (qualifiedName.contentEquals("javax.jws.WebServiceProvider")) {
                //NOI18N
                found = true;
                break;
            }
        }
        if (found) {
            return true;
        }
    }
    return false;
}
 

protected ErrorDescription[] apply(TypeElement subject, ProblemContext ctx) {
    ArrayList<ErrorDescription> errors = new ArrayList<ErrorDescription>();
    AnnotationMirror annEntity = Utilities.findAnnotation(subject, ANNOTATION_WEBSERVICE);
    if (subject.getKind() == ElementKind.CLASS && Utilities.getAnnotationAttrValue
            (annEntity, ANNOTATION_ATTRIBUTE_SEI) != null) {
        for (String aName : new String[]{
            ANNOTATION_WEBMETHOD, 
            ANNOTATION_WEBPARAM, 
            ANNOTATION_WEBRESULT, 
            ANNOTATION_ONEWAY, 
            ANNOTATION_SOAPMESSAGEHANDLERS, 
            ANNOTATION_INITPARAM, 
            ANNOTATION_SOAPBINDING, 
            ANNOTATION_SOAPMESSAGEHANDLER}) {
            AnnotationMirror wrongAnnon = Utilities.findAnnotation(subject, aName);
            if (wrongAnnon != null) {
                String label = NbBundle.getMessage(InvalidJSRAnnotations.class, "MSG_Invalid_JSR181Annotation");
                Tree problemTree = ctx.getCompilationInfo().getTrees().getTree(subject, wrongAnnon);
                Fix removeHC = new RemoveAnnotation(ctx.getFileObject(), subject, wrongAnnon);
                ctx.setElementToAnnotate(problemTree);
                errors.add(createProblem(subject, ctx, label, removeHC));
                ctx.setElementToAnnotate(null);
            }
        }
    }
    return errors.isEmpty() ? null : errors.toArray(new ErrorDescription[errors.size()]);
}
 

public boolean isFunctionalInterface(TypeElement type) {
	if (type != null && type.getKind() == ElementKind.INTERFACE) {
		ReferenceBinding binding = (ReferenceBinding)((TypeElementImpl) type)._binding;
		if (binding instanceof SourceTypeBinding) {
			return binding.isFunctionalInterface(((SourceTypeBinding) binding).scope);
		}
	}
	return false;
}
 

Void printType(TypeElement e, DeclaredType dt, Boolean highlightName) {
    modifier(e.getModifiers());
    switch (e.getKind()) {
        case CLASS:
            result.append("class ");
            break;
        case INTERFACE:
            result.append("interface ");
            break;
        case ENUM:
            result.append("enum ");
            break;
        case ANNOTATION_TYPE:
            result.append("@interface ");
            break;
    }
    Element enclosing = e.getEnclosingElement();
    
    if (enclosing == SourceUtils.getEnclosingTypeElement(e)) {
        result.append(((TypeElement) enclosing).getQualifiedName());
        result.append('.');
        boldStartCheck(highlightName);
        result.append(e.getSimpleName());
        boldStopCheck(highlightName);
    } else {
        result.append(e.getQualifiedName());
    }
    
    if (dt != null) {
        dumpRealTypeArguments(dt.getTypeArguments());
    }

    return null;
}
 

@Override
public void run(CompilationController controller) throws Exception {
    controller.toPhase(Phase.RESOLVED);
    fileObject = controller.getFileObject();
    TypeElement typeElement = null;
    List<? extends TypeElement> topLevelElements = controller.getTopLevelElements();
    for (Iterator<? extends TypeElement> it = topLevelElements.iterator(); it.hasNext();) {
        typeElement = it.next();
        if (typeElement.getKind() == ElementKind.CLASS) {
            className = typeElement.getSimpleName().toString();
            break;
        }
    }
    Elements elements = controller.getElements();
    TypeElement testcase = elements.getTypeElement(TESTCASE);
    boolean junit3 = (testcase != null && typeElement != null) ? controller.getTypes().isSubtype(typeElement.asType(), testcase.asType()) : false;
    TreePath tp = controller.getTreeUtilities().pathFor(caretPosition);
    while (tp != null && tp.getLeaf().getKind() != Kind.METHOD) {
        tp = tp.getParentPath();
    }
    if (tp != null) {
        Element element = controller.getTrees().getElement(tp);
        if (element != null) {
            String mn = element.getSimpleName().toString();
            if (junit3) {
                methodName = mn.startsWith("test") ? mn : null; //NOI18N
            } else {
                List<? extends AnnotationMirror> allAnnotationMirrors = elements.getAllAnnotationMirrors(element);
                if (isJunit4Test(allAnnotationMirrors) || isJunit5Testable(allAnnotationMirrors)) {
                    methodName = mn;
                }
            }
        }
    }
}
 

private static boolean isEnable(FileObject srcFile, TypeElement typeElement) {
    Project project = FileOwnerQuery.getOwner(srcFile);
    if (project == null) {
        return false;
    }
    J2eeModuleProvider j2eeModuleProvider = project.getLookup ().lookup (J2eeModuleProvider.class);
    if (j2eeModuleProvider != null) {
        if (project.getLookup().lookup(EnterpriseReferenceContainer.class) == null) {
            return false;
        }
        String serverInstanceId = j2eeModuleProvider.getServerInstanceID();
        if (serverInstanceId == null) {
            return true;
        }
        J2eePlatform platform = null;
        try {
            platform = Deployment.getDefault().getServerInstance(serverInstanceId).getJ2eePlatform();
        } catch (InstanceRemovedException ex) {
            Logger.getLogger(CallEjbCodeGenerator.class.getName()).log(Level.FINE, null, ex);
        }
        if (platform == null) {
            return true;
        }
        if (!EjbSupport.getInstance(platform).isEjb31LiteSupported(platform)
                && !platform.getSupportedTypes().contains(J2eeModule.Type.EJB)) {
            return false;
        }
    } else {
        return false;
    }

    return ElementKind.INTERFACE != typeElement.getKind();
}
 

/**
 * Checks whether the given type object represents type
 * {@code java.lang.Object}.
 * 
 * @param  type  type to be checked
 * @return  {@code true} if the passed type object represents type
 *          {@code java.lang.Object}, {@code false} otherwise
 */
private static boolean isRootObjectType(DeclaredType type) {
    if (type.getKind() != TypeKind.DECLARED) {
        return false;
    }

    TypeElement elem = (TypeElement) type.asElement();
    return (elem.getKind() == ElementKind.CLASS)
           && (elem.getSuperclass().getKind() == TypeKind.NONE);
}
 

/**
 * Finds a main top-level class or a nested class element
 * for {@code sourceDataObject} which should be initialized.
 */
private TypeElement getClass(WorkingCopy workingCopy)
                                                    throws IOException {
    workingCopy.toPhase(Phase.ELEMENTS_RESOLVED);

    final String preferredName = sourceDataObject.getName();
    TypeElement firstPublicNestedClass = null;
    
    List<? extends TypeElement> topClasses = workingCopy.getTopLevelElements();
    for (TypeElement topElement : topClasses) {
        ElementKind elementKind = topElement.getKind();
        if (!elementKind.isClass()) {
            continue;
        }

        if (topElement.getSimpleName().contentEquals(preferredName)) {
            return topElement;
        }

        if ((firstPublicNestedClass == null)
                && topElement.getModifiers().contains(Modifier.PUBLIC)) {
            firstPublicNestedClass = topElement;
        }
    }

    return firstPublicNestedClass;
}
 

private void processType(TypeElement type) {
  RetroWeibo autoValue = type.getAnnotation(RetroWeibo.class);
  if (autoValue == null) {
    // This shouldn't happen unless the compilation environment is buggy,
    // but it has happened in the past and can crash the compiler.
    errorReporter.abortWithError("annotation processor for @RetroWeibo was invoked with a type"
        + " that does not have that annotation; this is probably a compiler bug", type);
  }
  if (type.getKind() != ElementKind.CLASS) {
    errorReporter.abortWithError(
        "@" + RetroWeibo.class.getName() + " only applies to classes", type);
  }
  if (ancestorIsRetroWeibo(type)) {
    errorReporter.abortWithError("One @RetroWeibo class may not extend another", type);
  }
  if (implementsAnnotation(type)) {
    errorReporter.abortWithError("@RetroWeibo may not be used to implement an annotation"
        + " interface; try using @AutoAnnotation instead", type);
  }
  RetroWeiboTemplateVars vars = new RetroWeiboTemplateVars();
  vars.pkg = TypeSimplifier.packageNameOf(type);
  vars.origClass = TypeSimplifier.classNameOf(type);
  vars.simpleClassName = TypeSimplifier.simpleNameOf(vars.origClass);
  vars.subclass = TypeSimplifier.simpleNameOf(generatedSubclassName(type));
  defineVarsForType(type, vars);
  GwtCompatibility gwtCompatibility = new GwtCompatibility(type);
  vars.gwtCompatibleAnnotation = gwtCompatibility.gwtCompatibleAnnotationString();
  String text = vars.toText();
  text = Reformatter.fixup(text);
  writeSourceFile(generatedSubclassName(type), text, type);
  GwtSerialization gwtSerialization = new GwtSerialization(gwtCompatibility, processingEnv, type);
  gwtSerialization.maybeWriteGwtSerializer(vars);
}
 

@Override
public void process( TypeElement typeElement, TypeProcessor typeProcessor, IssueReporter<JavaFileObject> issueReporter )
{
  if( typeElement.getKind() == ElementKind.CLASS || typeElement.getKind() == ElementKind.ENUM || typeElement.getKind() == ElementKind.INTERFACE )
  {
    TreeTranslator visitor = new ExtensionTransformer( this, typeProcessor );
    typeProcessor.getTree().accept( visitor );
  }
}
 

/** Basic sanity-checking to ensure we can fulfil the @FreeBuilder contract for this type. */
private void verifyType(TypeElement type, PackageElement pkg) throws CannotGenerateCodeException {
  if (pkg.isUnnamed()) {
    messager.printMessage(ERROR, "FreeBuilder does not support types in unnamed packages", type);
    throw new CannotGenerateCodeException();
  }
  switch (type.getNestingKind()) {
    case TOP_LEVEL:
      break;

    case MEMBER:
      if (!type.getModifiers().contains(Modifier.STATIC)) {
        messager.printMessage(
            ERROR,
            "Inner classes cannot be FreeBuilder types (did you forget the static keyword?)",
            type);
        throw new CannotGenerateCodeException();
      }

      if (type.getModifiers().contains(Modifier.PRIVATE)) {
        messager.printMessage(ERROR, "FreeBuilder types cannot be private", type);
        throw new CannotGenerateCodeException();
      }

      for (Element e = type.getEnclosingElement(); e != null; e = e.getEnclosingElement()) {
        if (e.getModifiers().contains(Modifier.PRIVATE)) {
          messager.printMessage(
              ERROR,
              "FreeBuilder types cannot be private, but enclosing type "
                  + e.getSimpleName() + " is inaccessible",
              type);
          throw new CannotGenerateCodeException();
        }
      }
      break;

    default:
      messager.printMessage(
          ERROR, "Only top-level or static nested types can be FreeBuilder types", type);
      throw new CannotGenerateCodeException();
  }
  switch (type.getKind()) {
    case ANNOTATION_TYPE:
      messager.printMessage(ERROR, "FreeBuilder does not support annotation types", type);
      throw new CannotGenerateCodeException();

    case CLASS:
      verifyTypeIsConstructible(type);
      break;

    case ENUM:
      messager.printMessage(ERROR, "FreeBuilder does not support enum types", type);
      throw new CannotGenerateCodeException();

    case INTERFACE:
      // Nothing extra needs to be checked on an interface
      break;

    default:
      throw new AssertionError("Unexpected element kind " + type.getKind());
  }
}
 

/**
 * Gets the class access flags (see JVMS8 4.1) for the given type element, augmented by the
 * special ASM pseudo-access flag for @Deprecated types.
 */
public int getAccessFlags(TypeElement typeElement) {
  ElementKind kind;
  try {
    kind = typeElement.getKind();
  } catch (CannotInferException e) {
    Preconditions.checkState(typeElement.getNestingKind().isNested());

    // We cannot know the access flags of an inferred type element. However, the only
    // flag that matters in the InnerClasses table is ACC_STATIC. When reading the
    // InnerClasses table, the compiler may create ClassSymbols for types it hasn't
    // seen before, and the absence of ACC_STATIC will cause it to mark those
    // ClassSymbols as inner classes, and it will not correct that when later loading
    // the class from its definitive class file. However, it is safe to mark
    // everything with ACC_STATIC, because the compiler *will* properly update
    // non-static classes when loading their definitive class files.
    // (http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/file/9986bf97a48d/src/share/classes/com/sun/tools/javac/jvm/ClassReader.java#l2272)
    return Opcodes.ACC_STATIC;
  }

  int result = getCommonAccessFlags(typeElement);
  switch (kind) {
    case ANNOTATION_TYPE:
      // No ACC_SUPER here per JVMS 4.1
      result = result | Opcodes.ACC_ANNOTATION;
      result = result | Opcodes.ACC_INTERFACE;
      result = result | Opcodes.ACC_ABSTRACT;
      break;
    case ENUM:
      result = result | Opcodes.ACC_SUPER; // JVMS 4.1
      result = result | Opcodes.ACC_ENUM;

      if (isAbstractEnum(typeElement)) {
        result = result & ~Opcodes.ACC_FINAL | Opcodes.ACC_ABSTRACT;
      }
      break;
    case INTERFACE:
      // No ACC_SUPER here per JVMS 4.1
      result = result | Opcodes.ACC_ABSTRACT;
      result = result | Opcodes.ACC_INTERFACE;
      break;
      // $CASES-OMITTED$
    default:
      result = result | Opcodes.ACC_SUPER; // JVMS 4.1
      break;
  }

  return result;
}
 

Encoding(TypeElement type) {
  this.typeEncoding = type;
  if (type.getKind() != ElementKind.CLASS || type.getNestingKind() != NestingKind.TOP_LEVEL) {
    reporter.withElement(type).error("Encoding type '%s' should be top-level class", type.getSimpleName());
  }

  this.$$package = processing().getElementUtils().getPackageOf(type).getQualifiedName().toString();
  this.name = type.getSimpleName().toString();

  CharSequence source = SourceExtraction.extract(processing(), type);
  if (source.length() == 0) {
    reporter.withElement(type)
        .error("No source code can be extracted for @Encoding class. Unsupported compilation mode");
  }

  this.imports = SourceExtraction.importsFrom(source);
  this.sourceMapper = new SourceMapper(source);
  this.typesReader = new TypeExtractor(types, type);

  this.encodingSelfType = typesReader.get(type.asType());

  addTypeParameters(type);

  for (Element e : type.getEnclosedElements()) {
    processMember(e);
  }

  if (postValidate()) {
    provideSyntheticElements();
  }

  this.allElements = Iterables.concat(
      Arrays.asList(
          Iterables.filter(
              Arrays.asList(
                  impl,
                  from,
                  toString,
                  hashCode,
                  equals,
                  build,
                  isInit),
              Predicates.notNull()),
          fields,
          expose,
          copy,
          helpers,
          builderFields,
          builderHelpers,
          builderInits));

  this.linkage = new Linkage();
  this.generatedImports = generatedImports();
}
 

static boolean isTestable(TypeElement typeDeclElement) {
    ElementKind elemKind = typeDeclElement.getKind();
    return (elemKind != ElementKind.ANNOTATION_TYPE)
           && (elemKind.isClass()|| elemKind.isInterface());
}
 

@Override
public Class<?> visitDeclared(DeclaredType t, Void p) {
  TypeElement typeElement = ctx.getMoreTypes().toTypeElement(t);
  if (typeElement == null) {
    return null;
  }
  if (typeElement.getKind() == ElementKind.ENUM) {
    return EnumWrapper.class;
  }
  String name = typeElement.getQualifiedName().toString();
  if (String.class.getName().equals(name)) {
    return StringWrapper.class;
  }
  if (Boolean.class.getName().equals(name)) {
    return BooleanWrapper.class;
  }
  if (Byte.class.getName().equals(name)) {
    return ByteWrapper.class;
  }
  if (Short.class.getName().equals(name)) {
    return ShortWrapper.class;
  }
  if (Integer.class.getName().equals(name)) {
    return IntegerWrapper.class;
  }
  if (Long.class.getName().equals(name)) {
    return LongWrapper.class;
  }
  if (Float.class.getName().equals(name)) {
    return FloatWrapper.class;
  }
  if (Double.class.getName().equals(name)) {
    return DoubleWrapper.class;
  }
  if (Object.class.getName().equals(name)) {
    return ObjectWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, BigDecimal.class)) {
    return BigDecimalWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, BigInteger.class)) {
    return BigIntegerWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, Time.class)) {
    return TimeWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, Timestamp.class)) {
    return TimestampWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, Date.class)) {
    return DateWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, java.util.Date.class)) {
    return UtilDateWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, LocalTime.class)) {
    return LocalTimeWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, LocalDateTime.class)) {
    return LocalDateTimeWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, LocalDate.class)) {
    return LocalDateWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, Array.class)) {
    return ArrayWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, Blob.class)) {
    return BlobWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, NClob.class)) {
    return NClobWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, Clob.class)) {
    return ClobWrapper.class;
  }
  if (ctx.getMoreTypes().isAssignableWithErasure(t, SQLXML.class)) {
    return SQLXMLWrapper.class;
  }
  return null;
}