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- import org.springframework.beans.BeansException;
- import org.springframework.context.ApplicationContext;
- import org.springframework.context.ApplicationContextAware;
- import org.springframework.stereotype.Component;
- @Component
- public class ApplicationContextHolder implements ApplicationContextAware {
- private static ApplicationContext applicationContext;
- @Override
- public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
- synchronized (this) {
- if (ApplicationContextHolder.applicationContext == null) {
- ApplicationContextHolder.applicationContext = applicationContext;
- }
- }
- }
- public static <T> T getBean(Class<T> clazz) {
- return applicationContext.getBean(clazz);
- }
- public static <T> T getBean(String qualifier, Class<T> clazz) {
- return applicationContext.getBean(qualifier, clazz);
- }
- }
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