Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.lang.annotation.Annotation;

public class Main {
    public static boolean isAnnotationPresent(Class<?> clazz, Class<? extends Annotation> a) {
        for (Class<?> c = clazz; c != null; c = c.getSuperclass()) {
            if (c.isAnnotationPresent(a))
                return true;
            if (isAnnotationPresentOnInterfaces(c, a))
                return true;
        }
        return false;
    }

    private static boolean isAnnotationPresentOnInterfaces(Class<?> clazz, Class<? extends Annotation> a) {
        for (Class<?> i : clazz.getInterfaces()) {
            if (i.isAnnotationPresent(a))
                return true;
            if (isAnnotationPresentOnInterfaces(i, a))
                return true;
        }

        return false;
    }
}