SpringContextUtils.java 1.5 KB

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  1. package com.goafanti.common.utils;
  2. import org.springframework.beans.BeansException;
  3. import org.springframework.beans.factory.NoSuchBeanDefinitionException;
  4. import org.springframework.context.ApplicationContext;
  5. import org.springframework.context.ApplicationContextAware;
  6. public class SpringContextUtils implements ApplicationContextAware {
  7. private static ApplicationContext applicationContext;
  8. // 实现
  9. @Override
  10. public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
  11. SpringContextUtils.applicationContext = applicationContext;
  12. }
  13. public static ApplicationContext getApplicationContext() {
  14. return applicationContext;
  15. }
  16. public static Object getBean(String name) throws BeansException {
  17. try {
  18. return applicationContext.getBean(name);
  19. } catch (Exception e) {
  20. throw new RuntimeException("获取的Bean不存在!");
  21. }
  22. }
  23. public static <T> T getBean(String name, Class<T> requiredType) throws BeansException {
  24. return applicationContext.getBean(name, requiredType);
  25. }
  26. public static boolean containsBean(String name) {
  27. return applicationContext.containsBean(name);
  28. }
  29. public static boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
  30. return applicationContext.isSingleton(name);
  31. }
  32. public static Class<? extends Object> getType(String name) throws NoSuchBeanDefinitionException {
  33. return applicationContext.getType(name);
  34. }
  35. public static String[] getAliases(String name) throws NoSuchBeanDefinitionException {
  36. return applicationContext.getAliases(name);
  37. }
  38. }