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- package com.goafanti.common.utils;
- import org.springframework.beans.BeansException;
- import org.springframework.beans.factory.NoSuchBeanDefinitionException;
- import org.springframework.context.ApplicationContext;
- import org.springframework.context.ApplicationContextAware;
- public class SpringContextUtils implements ApplicationContextAware {
- private static ApplicationContext applicationContext;
- // 实现
- @Override
- public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
- SpringContextUtils.applicationContext = applicationContext;
- }
- public static ApplicationContext getApplicationContext() {
- return applicationContext;
- }
- public static Object getBean(String name) throws BeansException {
- try {
- return applicationContext.getBean(name);
- } catch (Exception e) {
- throw new RuntimeException("获取的Bean不存在!");
- }
- }
- public static <T> T getBean(String name, Class<T> requiredType) throws BeansException {
- return applicationContext.getBean(name, requiredType);
- }
- public static boolean containsBean(String name) {
- return applicationContext.containsBean(name);
- }
- public static boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
- return applicationContext.isSingleton(name);
- }
- public static Class<? extends Object> getType(String name) throws NoSuchBeanDefinitionException {
- return applicationContext.getType(name);
- }
- public static String[] getAliases(String name) throws NoSuchBeanDefinitionException {
- return applicationContext.getAliases(name);
- }
- }
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