Examples of javax.lang.model.element.TypeElement

javax.lang.model.element.TypeElement
Represents a class or interface program element. Provides access to information about the type and its members. Note that an enum type is a kind of class and an annotation type is a kind of interface.
While a {@code TypeElement} represents a class or interfaceelement, a {@link DeclaredType} represents a classor interface type, the latter being a use (or invocation) of the former. The distinction is most apparent with generic types, for which a single element can define a whole family of types. For example, the element {@code java.util.Set} corresponds to the parameterized types{@code java.util.Set} and {@code java.util.Set}(and many others), and to the raw type {@code java.util.Set}.
Each method of this interface that returns a list of elements will return them in the order that is natural for the underlying source of program information. For example, if the underlying source of information is Java source code, then the elements will be returned in source code order. @author Joseph D. Darcy @author Scott Seligman @author Peter von der Ahé @see DeclaredType @since 1.6

    }


    private static boolean isKindMatched(OperatorCompilingEnvironment environment, TypeMirror type) {
        assert environment != null;
        assert type != null;
        TypeElement element = (TypeElement) environment.getTypeUtils().asElement(type);
        DataModelKind kind = element.getAnnotation(DataModelKind.class);
        return kind != null && kind.value().equals("DMDL");
    }

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     * @param klass 対象のクラス
     * @param arguments 型引数の一覧
     * @return 宣言型
     */
    protected TypeMirror getType(Class<?> klass, TypeMirror...arguments) {
        TypeElement type = elements.getTypeElement(klass.getName());
        assertThat(klass.getName(), type, not(nullValue()));
        if (arguments.length == 0) {
            return types.erasure(type.asType());
        } else {
            return types.getDeclaredType(type, arguments);
        }
    }

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     * @param klass 対象のクラス
     * @param arguments 型引数の一覧
     * @return 宣言型
     */
    protected TypeMirror getType(Class<?> klass, TypeMirror...arguments) {
        TypeElement type = elements.getTypeElement(klass.getName());
        assertThat(klass.getName(), type, not(nullValue()));
        if (arguments.length == 0) {
            return types.erasure(type.asType());
        } else {
            return types.getDeclaredType(type, arguments);
        }
    }

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     */
    @Test
    public void typeVariable() {
        start(new Callback() {
            @Override protected void test() {
                TypeElement map = elements.getTypeElement(Map.class.getName());
                TypeParameterElement k = map.getTypeParameters().get(0);
                assertThat(
                    target.convert(k.asType()),
                    is((Type) f.newNamedType(f.newSimpleName("K"))));


                TypeElement list = elements.getTypeElement(List.class.getName());
                TypeParameterElement e = list.getTypeParameters().get(0);
                assertThat(
                    target.convert(e.asType()),
                    is((Type) f.newNamedType(f.newSimpleName("E"))));
            }
        });

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         */
        public List<VariableElement> getEnumConstants() {
            if (isEnum() == false) {
                throw new IllegalStateException();
            }
            TypeElement decl = (TypeElement) element;
            List<VariableElement> results = Lists.create();
            for (Element member : decl.getEnclosedElements()) {
                if (isEnumConstant(member)) {
                    results.add((VariableElement) member);
                }
            }
            return results;

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    void assertTypeEquals(
            OperatorCompilingEnvironment env,
            TypeMirror type,
            Class<?> expected) {
        TypeElement elem = env.getElementUtils().getTypeElement(expected.getName());
        TypeMirror exType = env.getTypeUtils().getDeclaredType(elem);
        assertTrue(env.getTypeUtils().isSameType(type, exType));
    }

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     * @return 対応する宣言型
     * @throws IllegalArgumentException 引数に{@code null}が含まれる場合
     */
    public DeclaredType getDeclaredType(Class<?> type) {
        Precondition.checkMustNotBeNull(type, "type"); //$NON-NLS-1$
        TypeElement elem = getElementUtils().getTypeElement(type.getName());
        if (elem == null) {
            throw new IllegalStateException(type.getName());
        }
        return getTypeUtils().getDeclaredType(elem);
    }

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     */
    public TypeMirror getErasure(TypeMirror type) {
        Precondition.checkMustNotBeNull(type, "type"); //$NON-NLS-1$
        // Eclipse のバグでイレイジャを正しく計算できない
        if (type.getKind() == TypeKind.DECLARED) {
            TypeElement element = (TypeElement) ((DeclaredType) type).asElement();
            return getTypeUtils().getDeclaredType(element);
        }
        return getTypeUtils().erasure(type);
    }

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    "element.getKind() != ElementKind.OTHER"
  })
  @Ensures("element != null")
  protected static TypeElement getRootElement(Element element) {
    if (element.getKind().isClass() || element.getKind().isInterface()) {
      TypeElement type = (TypeElement) element;
      if (!type.getNestingKind().isNested()) {
        return type;
      }
    }


    return getRootElement(element.getEnclosingElement());

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        boolean found = false;
        String consumerClassName = null;
        String consumerPrefix = Strings.getOrElse(uriEndpoint.consumerPrefix(), "");
        if (consumerType != null) {
            consumerClassName = consumerType.toString();
            TypeElement consumerElement = findTypeElement(roundEnv, consumerClassName);
            if (consumerElement != null) {
                writer.println("<h2>" + scheme + " consumer" + "</h2>");
                showDocumentationAndFieldInjections(writer, roundEnv, consumerElement, consumerPrefix);
                found = true;
            }

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