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package com.wonders.core.util.web; import java.util.Map; import org.springframework.beans.BeansException; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; /** * 获取ApplicationContext和Object的工具类 * @author zjw * * 非WEB项目 * ApplicationContext ac = new FileSystemXmlApplicationContext("applicationContext.xml") * 可选的操作方法有： * 1\ * String[] path={"WebRoot/WEB-INF/applicationContext.xml","WebRoot/WEB-INF/applicationContext_task.xml"}; * ApplicationContext context = new FileSystemXmlApplicationContext(path); * 2\ * String path="WebRoot/WEB-INF/applicationContext*.xml"; * ApplicationContext context = new FileSystemXmlApplicationContext(path); * 3\ * ApplicationContext ctx = new FileSystemXmlApplicationContext("classpath:地址"); * 没有classpath的话就是从当前的工作目录 */ @SuppressWarnings({ "rawtypes", "unchecked" }) public class SpringContextUtil implements ApplicationContextAware { private static ApplicationContext applicationContext; public void setApplicationContext(ApplicationContext appContext) throws BeansException { applicationContext = appContext; } /** * * 获取applicationContext对象 * @return * */ public static ApplicationContext getApplicationContext() { return applicationContext; } /** * * 根据bean的id来查找对象 * @param id * @return * */ public static Object getBeanById(String id) { return applicationContext.getBean(id); } /** * * 根据bean的class来查找对象 * @param c * @return * */ public static Object getBeanByClass(Class c) { return applicationContext.getBean(c); } /** * * 根据bean的class来查找所有的对象(包括子类) * @param c * @return * */ public static Map getBeansByClass(Class c) { return applicationContext.getBeansOfType(c); } }