Examples with TypeElement javax.lang.model.element.TypeElement used on opensource projects

Example 16 with TypeElement

use of javax.lang.model.element.TypeElement in project epoxy by airbnb.

the class HashCodeValidator method hasHashCodeInClassHierarchy.

private boolean hasHashCodeInClassHierarchy(TypeElement clazz) {
    ExecutableElement methodOnClass = getMethodOnClass(clazz, HASH_CODE_METHOD, typeUtils);
    if (methodOnClass == null) {
        return false;
    }
    Element implementingClass = methodOnClass.getEnclosingElement();
    if (implementingClass.getSimpleName().toString().equals("Object")) {
        // Don't count default implementation on Object class
        return false;
    }
    // correctly :P)
    return true;
}

Example 17 with TypeElement

use of javax.lang.model.element.TypeElement in project epoxy by airbnb.

the class HashCodeValidator method validateImplementsHashCode.

private void validateImplementsHashCode(TypeMirror mirror) throws EpoxyProcessorException {
    if (TypeName.get(mirror).isPrimitive()) {
        return;
    }
    if (mirror.getKind() == TypeKind.ARRAY) {
        validateArrayType((ArrayType) mirror);
        return;
    }
    if (!(mirror instanceof DeclaredType)) {
        return;
    }
    DeclaredType declaredType = (DeclaredType) mirror;
    Element element = typeUtils.asElement(mirror);
    TypeElement clazz = (TypeElement) element;
    if (isIterableType(clazz)) {
        validateIterableType(declaredType);
        return;
    }
    if (isAutoValueType(element)) {
        return;
    }
    if (isWhiteListedType(element)) {
        return;
    }
    if (!hasHashCodeInClassHierarchy(clazz)) {
        throwError("Attribute does not implement hashCode");
    }
}

Example 18 with TypeElement

use of javax.lang.model.element.TypeElement in project epoxy by airbnb.

the class ProcessorUtils method isSubtypeOfType.

static boolean isSubtypeOfType(TypeMirror typeMirror, String otherType) {
    if (otherType.equals(typeMirror.toString())) {
        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 19 with TypeElement

use of javax.lang.model.element.TypeElement in project epoxy by airbnb.

the class EpoxyProcessor method findClassAnnotationWithLayout.

/**
   * Looks for {@link EpoxyModelClass} annotation in the original class and his parents.
   */
private EpoxyModelClass findClassAnnotationWithLayout(TypeElement classElement) {
    if (!isEpoxyModel(classElement)) {
        return null;
    }
    EpoxyModelClass annotation = classElement.getAnnotation(EpoxyModelClass.class);
    if (annotation == null) {
        return null;
    }
    try {
        int layoutRes = annotation.layout();
        if (layoutRes != 0) {
            return annotation;
        }
    } catch (AnnotationTypeMismatchException e) {
        logError("Invalid layout value in %s annotation. (class: %s). %s: %s", EpoxyModelClass.class, classElement.getSimpleName(), e.getClass().getSimpleName(), e.getMessage());
        return null;
    }
    TypeElement superclassElement = (TypeElement) typeUtils.asElement(classElement.getSuperclass());
    EpoxyModelClass annotationOnSuperClass = findClassAnnotationWithLayout(superclassElement);
    // Return the last annotation value we have so the proper error can be thrown if needed
    return annotationOnSuperClass != null ? annotationOnSuperClass : annotation;
}

Example 20 with TypeElement

use of javax.lang.model.element.TypeElement in project epoxy by airbnb.

the class EpoxyProcessor method validateAccessibleViaGeneratedCode.

private void validateAccessibleViaGeneratedCode(Element attribute) {
    TypeElement enclosingElement = (TypeElement) attribute.getEnclosingElement();
    // Verify method modifiers.
    Set<Modifier> modifiers = attribute.getModifiers();
    if (modifiers.contains(PRIVATE) || modifiers.contains(STATIC)) {
        logError("%s annotations must not be on private or static fields. (class: %s, field: %s)", EpoxyAttribute.class.getSimpleName(), enclosingElement.getSimpleName(), attribute.getSimpleName());
    }
    // Nested classes must be static
    if (enclosingElement.getNestingKind().isNested()) {
        if (!enclosingElement.getModifiers().contains(STATIC)) {
            logError("Nested classes with %s annotations must be static. (class: %s, field: %s)", EpoxyAttribute.class.getSimpleName(), enclosingElement.getSimpleName(), attribute.getSimpleName());
        }
    }
    // Verify containing type.
    if (enclosingElement.getKind() != CLASS) {
        logError("%s annotations may only be contained in classes. (class: %s, field: %s)", EpoxyAttribute.class.getSimpleName(), enclosingElement.getSimpleName(), attribute.getSimpleName());
    }
    // Verify containing class visibility is not private.
    if (enclosingElement.getModifiers().contains(PRIVATE)) {
        logError("%s annotations may not be contained in private classes. (class: %s, field: %s)", EpoxyAttribute.class.getSimpleName(), enclosingElement.getSimpleName(), attribute.getSimpleName());
    }
}