Java Annotation.add方法代码示例

import com.android.dx.rop.annotation.Annotation; //导入方法依赖的package包/类
/**
 * Gets the {@code AnnotationDefault} attributes out of a
 * given class, if any, reforming them as an
 * {@code AnnotationDefault} annotation.
 *
 * @param cf {@code non-null;} the class in question
 * @return {@code null-ok;} an appropriately-constructed
 * {@code AnnotationDefault} annotation, if there were any
 * annotation defaults in the class, or {@code null} if not
 */
private static Annotation translateAnnotationDefaults(DirectClassFile cf) {
    CstType thisClass = cf.getThisClass();
    MethodList methods = cf.getMethods();
    int sz = methods.size();
    Annotation result =
        new Annotation(thisClass, AnnotationVisibility.EMBEDDED);
    boolean any = false;

    for (int i = 0; i < sz; i++) {
        Method one = methods.get(i);
        AttributeList attribs = one.getAttributes();
        AttAnnotationDefault oneDefault = (AttAnnotationDefault)
            attribs.findFirst(AttAnnotationDefault.ATTRIBUTE_NAME);

        if (oneDefault != null) {
            NameValuePair pair = new NameValuePair(
                    one.getNat().getName(),
                    oneDefault.getValue());
            result.add(pair);
            any = true;
        }
    }

    if (! any) {
        return null;
    }

    result.setImmutable();
    return AnnotationUtils.makeAnnotationDefault(result);
}
 

import com.android.dx.rop.annotation.Annotation; //导入方法依赖的package包/类
/**
 * Parses a single annotation.
 *
 * @param visibility {@code non-null;} visibility of the parsed annotation
 * @return {@code non-null;} the parsed annotation
 */
private Annotation parseAnnotation(AnnotationVisibility visibility)
        throws IOException {
    requireLength(4);

    int typeIndex = input.readUnsignedShort();
    int numElements = input.readUnsignedShort();
    CstString typeString = (CstString) pool.get(typeIndex);
    CstType type = new CstType(Type.intern(typeString.getString()));

    if (observer != null) {
        parsed(2, "type: " + type.toHuman());
        parsed(2, "num_elements: " + numElements);
    }

    Annotation annotation = new Annotation(type, visibility);

    for (int i = 0; i < numElements; i++) {
        if (observer != null) {
            parsed(0, "elements[" + i + "]:");
            changeIndent(1);
        }

        NameValuePair element = parseElement();
        annotation.add(element);

        if (observer != null) {
            changeIndent(-1);
        }
    }

    annotation.setImmutable();
    return annotation;
}
 

import com.android.dx.rop.annotation.Annotation; //导入方法依赖的package包/类
/**
 * Add this annotation to a method.
 *
 * @param dexMaker DexMaker instance.
 * @param method Method to be added to.
 */
public void addToMethod(DexMaker dexMaker, MethodId<?, ?> method) {
    if (annotatedElement != ElementType.METHOD) {
        throw new IllegalStateException("This annotation is not for method");
    }

    if (method.declaringType != declaringType) {
        throw new IllegalArgumentException("Method" + method + "'s declaring type is inconsistent with" + this);
    }

    ClassDefItem classDefItem = dexMaker.getTypeDeclaration(declaringType).toClassDefItem();

    if (classDefItem == null) {
        throw new NullPointerException("No class defined item is found");
    } else {
        CstMethodRef cstMethodRef = method.constant;

        if (cstMethodRef == null) {
            throw new NullPointerException("Method reference is NULL");
        } else {
            // Generate CstType
            CstType cstType = CstType.intern(type.ropType);

            // Generate Annotation
            Annotation annotation = new Annotation(cstType, AnnotationVisibility.RUNTIME);

            // Add generated annotation
            Annotations annotations = new Annotations();
            for (NameValuePair nvp : elements.values()) {
                annotation.add(nvp);
            }
            annotations.add(annotation);
            classDefItem.addMethodAnnotations(cstMethodRef, annotations, dexMaker.getDexFile());
        }
    }
}