Example usage for com.google.gwt.core.ext.typeinfo AnnotationsHelper getAnnotations

Introduction

In this page you can find the example usage for com.google.gwt.core.ext.typeinfo AnnotationsHelper getAnnotations.

Prototype

public static Annotation[] getAnnotations(JParameter type) 

Source Link

Usage

From source file:com.gwtent.gen.GenUtils.java

License:Apache License

/**
 * Get annotation from a classType.//from   w  ww.j a  v a  2  s.co m
 * This function will search all super class to try to find out the annotation.
 * If not found in super class, this function will try all implement interfaces.
 * 
 * @param <T>
 * @param classType The class type 
 * @param annotationClass The annotation class
 * @return if found, return the annotation, otherwise return null
 */
public static <T extends Annotation> T getClassTypeAnnotationWithMataAnnotation(JClassType classType,
        Class<T> annotationClass) {
    JClassType parent = classType;
    while (parent != null) {
        Annotation[] annotations = AnnotationsHelper.getAnnotations(parent);
        for (Annotation annotation : annotations) {
            T result = getAnnotationFromAnnotation(annotation, annotationClass);

            if (result != null)
                return result;
        }

        parent = parent.getSuperclass();
    }

    //if not found in super class, found it in implement interfaces
    parent = classType;
    while (parent != null) {
        for (JClassType inter : parent.getImplementedInterfaces()) {
            T result = getClassTypeAnnotationWithMataAnnotation(inter, annotationClass);

            if (result != null)
                return result;
        }

        parent = parent.getSuperclass();
    }

    return null;
}

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From source file:com.gwtent.gen.reflection.ReflectAllInOneCreator.java

License:Apache License

private void processAnnotationClasses(HasAnnotations annotations, Reflectable reflectable) {
    if (!reflectable.classAnnotations())
        return;/*from w  w w . jav  a2 s  . com*/

    Annotation[] annos = AnnotationsHelper.getAnnotations(annotations);
    if (annos == null)
        return;

    for (Annotation annotation : annos) {
        processAnnotation(annotation);
    }
}

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