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package com.github.codingdebugallday.utils;

import java.lang.annotation.Annotation;

/**
 * 
 * 注解工具
 * 
 *
 * @author isaac 2020/6/16 13:37
 * @since 1.0
 */
public class AnnotationsUtils {

    private AnnotationsUtils() {
        throw new IllegalStateException("util class");
    }

    /**
     * 存在注解判断
     *
     * @param aClass            类
     * @param isAllMatch        是否匹配全部注解
     * @param annotationClasses 注解类
     * @return boolean
     */
    @SafeVarargs
    public static boolean haveAnnotations(Class aClass, boolean isAllMatch,
                                          Class... annotationClasses) {
        if (aClass == null) {
            return false;
        }
        if (annotationClasses == null) {
            return false;
        }
        for (Class annotationClass : annotationClasses) {
            Annotation annotation = aClass.getAnnotation(annotationClass);
            if (isAllMatch) {
                if (annotation == null) {
                    return false;
                }
            } else {
                if (annotation != null) {
                    return true;
                }
            }
        }
        return isAllMatch;
    }

}