SpringUtil

package cn.com.util;

import java.util.Map;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public class SpringUtil implements ApplicationContextAware {

    private static ApplicationContext applicationContext = null;
   

    public SpringUtil() {
    }

    public static void setApplicationContexts(ApplicationContext applicationContext) throws BeansException {
        SpringUtil.applicationContext = applicationContext;
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

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

    public static Map<String, ?> getBeansOfType(Class<?> class1) {
        return applicationContext.getBeansOfType(class1);
    }

    public static <T> T getBean(Class<T> type) throws BeansException {
        return applicationContext.getBean(type);
    }

    public static <T> T getBean(String beanName, Class<T> type) throws BeansException {
        return applicationContext.getBean(beanName, type);
    }

    public static String getToken(HttpServletRequest request) {
        Cookie[] cookie = request.getCookies();
        if (cookie == null) {
            return null;
        } else {
            for(int i = 0; i < cookie.length; ++i) {
                Cookie cook = cookie[i];
                if (cook.getName().equals("SESSION") && !"".equals(cook.getValue() + "".trim())) {
                    return cook.getValue().toString();
                }
            }

            return null;
        }
    }

    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        SpringUtil.applicationContext = applicationContext;
    }
}