package com.lkb.util;

import org.springframework.context.ApplicationContext;

import org.springframework.context.ApplicationContextAware;

/**

 * SpringContextHolder

 *

 * @author Lilin

 * @date 2015/12/30

 */

public class SpringContextHolder implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    /**

     * 实现ApplicationContextAware接口的context注入函数, 将其存入静态变量.

     */

    public void setApplicationContext(ApplicationContext applicationContext) {

        SpringContextHolder.applicationContext = applicationContext; // NOSONAR

    }

    /**

     * 取得存储在静态变量中的ApplicationContext.

     */

    public static ApplicationContext getApplicationContext() {

        checkApplicationContext();

        return applicationContext;

    }

    /**

     * 从静态变量ApplicationContext中取得Bean, 自动转型为所赋值对象的类型.

     */

    @SuppressWarnings("unchecked")

    public static <T> T getBean(String name) {

        checkApplicationContext();

        return (T) applicationContext.getBean(name);

    }

    /**

     * 从静态变量ApplicationContext中取得Bean, 自动转型为所赋值对象的类型.

     */

    @SuppressWarnings("unchecked")

    public static <T> T getBean(Class<T> clazz) {

        checkApplicationContext();

        return (T) applicationContext.getBeansOfType(clazz);

    }

    /**

     * 清除applicationContext静态变量.

     */

    public static void cleanApplicationContext() {

        applicationContext = null;

    }

    private static void checkApplicationContext() {

        if (applicationContext == null) {

            throw new IllegalStateException("applicaitonContext未注入,请在applicationContext.xml中定义SpringContextHolder");

        }

    }

}

<aop:aspectj-autoproxy proxy-target-class="true"/>

 <aop:aspectj-autoproxy proxy-target-class="true"/>

<bean class="com.lkb.util.SpringContextHolder" lazy-init="false" />

AuthServiceImpl authService =SpringContextHolder.getBean("authServiceImpl");