| 提交 | 用户 | age | ||
| 220da5 | 1 | package com.hx.util; |
| F | 2 | |
| 3 | import org.springframework.aop.framework.AopContext; | |
| 4 | import org.springframework.beans.BeansException; | |
| 5 | import org.springframework.beans.factory.NoSuchBeanDefinitionException; | |
| 6 | import org.springframework.beans.factory.config.BeanFactoryPostProcessor; | |
| 7 | import org.springframework.beans.factory.config.ConfigurableListableBeanFactory; | |
| 8 | import org.springframework.stereotype.Component; | |
| 9 | ||
| 10 | /** | |
| 11 | * spring工具类 方便在非spring管理环境中获取bean | |
| 12 | * | |
| 13 | * @author | |
| 14 | */ | |
| 15 | @Component | |
| 16 | public final class SpringUtils implements BeanFactoryPostProcessor | |
| 17 | { | |
| 18 | /** Spring应用上下文环境 */ | |
| 19 | private static ConfigurableListableBeanFactory beanFactory; | |
| 20 | ||
| 21 | @Override | |
| 22 | public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException | |
| 23 | { | |
| 24 | SpringUtils.beanFactory = beanFactory; | |
| 25 | } | |
| 26 | ||
| 27 | /** | |
| 28 | * 获取对象 | |
| 29 | * | |
| 30 | * @param name | |
| 31 | * @return Object 一个以所给名字注册的bean的实例 | |
| 32 | * @throws BeansException | |
| 33 | * | |
| 34 | */ | |
| 35 | @SuppressWarnings("unchecked") | |
| 36 | public static <T> T getBean(String name) throws BeansException | |
| 37 | { | |
| 38 | return (T) beanFactory.getBean(name); | |
| 39 | } | |
| 40 | ||
| 41 | /** | |
| 42 | * 获取类型为requiredType的对象 | |
| 43 | * | |
| 44 | * @param clz | |
| 45 | * @return | |
| 46 | * @throws BeansException | |
| 47 | * | |
| 48 | */ | |
| 49 | public static <T> T getBean(Class<T> clz) throws BeansException | |
| 50 | { | |
| 51 | T result = (T) beanFactory.getBean(clz); | |
| 52 | return result; | |
| 53 | } | |
| 54 | ||
| 55 | /** | |
| 56 | * 如果BeanFactory包含一个与所给名称匹配的bean定义，则返回true | |
| 57 | * | |
| 58 | * @param name | |
| 59 | * @return boolean | |
| 60 | */ | |
| 61 | public static boolean containsBean(String name) | |
| 62 | { | |
| 63 | return beanFactory.containsBean(name); | |
| 64 | } | |
| 65 | ||
| 66 | /** | |
| 67 | * 判断以给定名字注册的bean定义是一个singleton还是一个prototype。 如果与给定名字相应的bean定义没有被找到，将会抛出一个异常（NoSuchBeanDefinitionException） | |
| 68 | * | |
| 69 | * @param name | |
| 70 | * @return boolean | |
| 71 | * @throws NoSuchBeanDefinitionException | |
| 72 | * | |
| 73 | */ | |
| 74 | public static boolean isSingleton(String name) throws NoSuchBeanDefinitionException | |
| 75 | { | |
| 76 | return beanFactory.isSingleton(name); | |
| 77 | } | |
| 78 | ||
| 79 | /** | |
| 80 | * @param name | |
| 81 | * @return Class 注册对象的类型 | |
| 82 | * @throws NoSuchBeanDefinitionException | |
| 83 | * | |
| 84 | */ | |
| 85 | public static Class<?> getType(String name) throws NoSuchBeanDefinitionException | |
| 86 | { | |
| 87 | return beanFactory.getType(name); | |
| 88 | } | |
| 89 | ||
| 90 | /** | |
| 91 | * 如果给定的bean名字在bean定义中有别名，则返回这些别名 | |
| 92 | * | |
| 93 | * @param name | |
| 94 | * @return | |
| 95 | * @throws NoSuchBeanDefinitionException | |
| 96 | * | |
| 97 | */ | |
| 98 | public static String[] getAliases(String name) throws NoSuchBeanDefinitionException | |
| 99 | { | |
| 100 | return beanFactory.getAliases(name); | |
| 101 | } | |
| 102 | ||
| 103 | /** | |
| 104 | * 获取aop代理对象 | |
| 105 | * | |
| 106 | * @param invoker | |
| 107 | * @return | |
| 108 | */ | |
| 109 | @SuppressWarnings("unchecked") | |
| 110 | public static <T> T getAopProxy(T invoker) | |
| 111 | { | |
| 112 | return (T) AopContext.currentProxy(); | |
| 113 | } | |
| 114 | } | |
