Examples with DeclaredType javax.lang.model.type.DeclaredType used on opensource projects

Example 56 with DeclaredType

use of javax.lang.model.type.DeclaredType in project buck by facebook.

the class TreeBackedTypeElementTest method testGetSuperclassNoSuperclassIsObject.

@Test
public void testGetSuperclassNoSuperclassIsObject() throws IOException {
    compile("class Foo { }");
    TypeElement fooElement = elements.getTypeElement("Foo");
    DeclaredType superclass = (DeclaredType) fooElement.getSuperclass();
    TypeElement objectElement = elements.getTypeElement("java.lang.Object");
    assertSame(objectElement, superclass.asElement());
}

Example 57 with DeclaredType

use of javax.lang.model.type.DeclaredType in project buck by facebook.

the class TypeResolverTest method testParameterizedTypeResolves.

@Test
public void testParameterizedTypeResolves() throws IOException {
    compile(Joiner.on('\n').join("abstract class Foo extends java.util.ArrayList<java.lang.String> { }", "abstract class Bar extends java.util.ArrayList<java.lang.String> { }"));
    TypeElement listElement = elements.getTypeElement("java.util.ArrayList");
    TypeElement stringElement = elements.getTypeElement("java.lang.String");
    DeclaredType expectedSuperclass = types.getDeclaredType(listElement, stringElement.asType());
    TypeElement fooElement = elements.getTypeElement("Foo");
    TypeElement barElement = elements.getTypeElement("Bar");
    DeclaredType fooSuperclass = (DeclaredType) fooElement.getSuperclass();
    DeclaredType barSuperclass = (DeclaredType) barElement.getSuperclass();
    assertNotSame(expectedSuperclass, fooSuperclass);
    assertSameType(expectedSuperclass, fooSuperclass);
    assertSameType(fooSuperclass, barSuperclass);
}

Example 58 with DeclaredType

use of javax.lang.model.type.DeclaredType in project RoboBinding by RoboBinding.

the class WrappedTypeElement method firstTypeArgument.

public WrappedTypeElement firstTypeArgument() {
    List<? extends TypeMirror> typeArguments = type.getTypeArguments();
    DeclaredType firstTypeArgument = (DeclaredType) typeArguments.get(0);
    return typeElementOf(firstTypeArgument);
}

Example 59 with DeclaredType

use of javax.lang.model.type.DeclaredType in project butterknife by JakeWharton.

the class ButterKnifeProcessor method isSubtypeOfType.

static boolean isSubtypeOfType(TypeMirror typeMirror, String otherType) {
    if (isTypeEqual(typeMirror, otherType)) {
        return true;
    }
    if (typeMirror.getKind() != TypeKind.DECLARED) {
        return false;
    }
    DeclaredType declaredType = (DeclaredType) typeMirror;
    List<? extends TypeMirror> typeArguments = declaredType.getTypeArguments();
    if (typeArguments.size() > 0) {
        StringBuilder typeString = new StringBuilder(declaredType.asElement().toString());
        typeString.append('<');
        for (int i = 0; i < typeArguments.size(); i++) {
            if (i > 0) {
                typeString.append(',');
            }
            typeString.append('?');
        }
        typeString.append('>');
        if (typeString.toString().equals(otherType)) {
            return true;
        }
    }
    Element element = declaredType.asElement();
    if (!(element instanceof TypeElement)) {
        return false;
    }
    TypeElement typeElement = (TypeElement) element;
    TypeMirror superType = typeElement.getSuperclass();
    if (isSubtypeOfType(superType, otherType)) {
        return true;
    }
    for (TypeMirror interfaceType : typeElement.getInterfaces()) {
        if (isSubtypeOfType(interfaceType, otherType)) {
            return true;
        }
    }
    return false;
}

Example 60 with DeclaredType

use of javax.lang.model.type.DeclaredType in project ig-json-parser by Instagram.

the class TypeUtils method getCollectionParameterizedType.

/**
   * If {@code typeMirror} represents a list type ({@link java.util.List}), attempt to divine the
   * type of the contents.
   *
   * Returns null if {@code typeMirror} does not represent a list type or if we cannot divine the
   * type of the contents.
   */
public TypeMirror getCollectionParameterizedType(TypeMirror typeMirror) {
    if (!(typeMirror instanceof DeclaredType)) {
        return null;
    }
    DeclaredType declaredType = (DeclaredType) typeMirror;
    Element element = declaredType.asElement();
    if (!(element instanceof TypeElement)) {
        return null;
    }
    TypeElement typeElement = (TypeElement) element;
    List<? extends TypeParameterElement> typeParameterElements = typeElement.getTypeParameters();
    List<TypeMirror> typeArguments = (List<TypeMirror>) declaredType.getTypeArguments();
    if (JAVA_UTIL_QUEUE.equals(getCanonicalTypeName(declaredType)) || JAVA_UTIL_LIST.equals(getCanonicalTypeName(declaredType)) || JAVA_UTIL_ARRAYLIST.equals(getCanonicalTypeName(declaredType)) || JAVA_UTIL_SET.equals(getCanonicalTypeName(declaredType))) {
        // sanity check.
        if (typeParameterElements.size() != 1) {
            throw new IllegalStateException(String.format("%s is not expected generic type", declaredType));
        }
        return typeArguments.get(0);
    } else if (JAVA_UTIL_HASHMAP.equals(getCanonicalTypeName(declaredType))) {
        // sanity check.
        if (typeParameterElements.size() != 2) {
            throw new IllegalStateException(String.format("%s is not expected generic type", declaredType));
        }
        TypeMirror keyType = typeArguments.get(0);
        TypeMirror valueType = typeArguments.get(1);
        if (!JAVA_LANG_STRING.equals(keyType.toString())) {
            throw new IllegalStateException("Only String keys are supported for map types");
        }
        return valueType;
    }
    return null;
}