AnnotationCacheHelper.java 文件源码

/**
 * Builds the cache for the given class.
 *
 * @param target The target class
 */
public void build(Class<?> target) {
    if (this.cache.containsKey(target)) {
        return;
    }
    //System.out.println("Building cache for " + target.getName());
    Map<Class, List<Method>> anno = new MapMaker().weakKeys().makeMap();
    for (Method m : target.getMethods()) {
        for (Annotation a : m.getAnnotations()) {
            if (!anno.containsKey(a.annotationType())) {
                anno.put(a.annotationType(), Lists.<Method>newArrayList());
            }
            //System.out.println("\t" + a.annotationType().getSimpleName() + " - " + m.toGenericString());
            anno.get(a.annotationType()).add(m);
        }
    }
    this.cache.put(target, anno);
}