GetSpringBeanUtil

Mon, 01 Jan 0001 00:00:00 +0000

import org.springframework.aop.framework.AopContext;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.stereotype.Component;

/**
 * 可以实现在普通类中获取springBean实例
 */
@Component
public final class GetSpringBeanUtil implements BeanFactoryPostProcessor {
 private static ConfigurableListableBeanFactory beanFactory;

 public GetSpringBeanUtil() {
 }

 public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
 GetSpringBeanUtil.beanFactory = beanFactory;
 }

 public static <T> T getBean(String name) throws BeansException {
 return (T) beanFactory.getBean(name);
 }

 public static <T> T getBean(Class<T> clz) throws BeansException {
 T result = beanFactory.getBean(clz);
 return result;
 }

 public static boolean containsBean(String name) {
 return beanFactory.containsBean(name);
 }

 public static boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
 return beanFactory.isSingleton(name);
 }

 public static Class<?> getType(String name) throws NoSuchBeanDefinitionException {
 return beanFactory.getType(name);
 }

 public static String[] getAliases(String name) throws NoSuchBeanDefinitionException {
 return beanFactory.getAliases(name);
 }

 public static <T> T getAopProxy(T invoker) {
 return (T) AopContext.currentProxy();
 }
}
Spring on 菜鸟程序员

GetSpringBeanUtil
