Utility bean for getting Spring beans from static context

SpringContextHolder.java

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.stereotype.Component;

/**
 * Utility bean for getting Spring beans from static context
 */
@Slf4j
@Component
public class SpringContextHolder implements ApplicationContextAware, ApplicationListener<ContextRefreshedEvent> {

    private static ApplicationContext context;
    private static volatile boolean refreshed;

    @Override
    public void setApplicationContext(ApplicationContext context) throws BeansException {
        log.debug("ApplicationContext is initialized");
        SpringContextHolder.context = context;
    }

    @Override
    public void onApplicationEvent(ContextRefreshedEvent event) {
        log.debug("ApplicationContext is refreshed");
        refreshed = true;
    }

    public static boolean hasContext() {
        return (refreshed && context != null);
    }

    public static ApplicationContext getContext() {
        return refreshed ? context : null;
    }

    public static boolean isRefreshed() {
        return refreshed;
    }

    public static <T> T getBean(Class<T> clazz) {
        if (!hasContext()) {
            return null;
        }
        return context.getBean(clazz);
    }

    public static <T> T getBean(String qualifier, Class<T> clazz) {
        if (!hasContext()) {
            return null;
        }
        return context.getBean(qualifier, clazz);
    }

    @SuppressWarnings("unchecked")
    public static <T> T getBean(String name) {
        if (!hasContext()) {
            return null;
        }
        return (T) context.getBean(name);
    }

}