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获取Spring管理bean对象

package com.sinosoft.base.util;import org.springframework.beans.BeansException;import org.springframework.beans.factory.NoSuchBeanDefinitionException;import org.springframework.context.ApplicationContext;import org.springframework.context.ApplicationContextAware;public class SpringContextUtil implements ApplicationContextAware {      private static ApplicationContext applicationContext;     //Spring应用上下文环境           /**      * 实现ApplicationContextAware接口的回调方法,设置上下文环境         * @param applicationContext      * @throws BeansException      */      public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {        SpringContextUtil.applicationContext = applicationContext;      }           /**      * @return ApplicationContext      */      public static ApplicationContext getApplicationContext() {        return applicationContext;      }           /**      * 获取对象         * @param name      * @return Object 一个以所给名字注册的bean的实例      * @throws BeansException      */      public static Object getBean(String name) throws BeansException {        return applicationContext.getBean(name);      }           /**      * 获取类型为requiredType的对象      * 如果bean不能被类型转换,相应的异常将会被抛出(BeanNotOfRequiredTypeException)      * @param name       bean注册名      * @param requiredType 返回对象类型      * @return Object 返回requiredType类型对象      * @throws BeansException      */      public static Object getBean(String name, Class requiredType) throws BeansException {        return applicationContext.getBean(name, requiredType);      }           /**      * 如果BeanFactory包含一个与所给名称匹配的bean定义,则返回true       * @param name      * @return boolean      */      public static boolean containsBean(String name) {        return applicationContext.containsBean(name);      }           /**      * 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)         * @param name      * @return boolean      * @throws NoSuchBeanDefinitionException      */      public static boolean isSingleton(String name) throws NoSuchBeanDefinitionException {        return applicationContext.isSingleton(name);      }           /**      * @param name      * @return Class 注册对象的类型      * @throws NoSuchBeanDefinitionException      */      public static Class getType(String name) throws NoSuchBeanDefinitionException {        return applicationContext.getType(name);      }           /**      * 如果给定的bean名字在bean定义中有别名,则返回这些别名         * @param name      * @return      * @throws NoSuchBeanDefinitionException      */      public static String[] getAliases(String name) throws NoSuchBeanDefinitionException {        return applicationContext.getAliases(name);      }    }

 

获取Spring管理bean对象