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package org.kaizen4j.common.util;

import javax.servlet.http.HttpServletRequest;

/**
 * Session 工具类
 *
 * @author John
 */
public final class SessionUtils {

    public static void setAttribute(HttpServletRequest request, String key, Object obj) {
        request.getSession().setAttribute(key, obj);
    }

    public static void setAttribute(HttpServletRequest request, Enum key, Object obj) {
        setAttribute(request, key.name(), obj);
    }

    @SuppressWarnings("unchecked")
    public static  T getAttribute(HttpServletRequest request, String key) {
        return (T) request.getSession().getAttribute(key);
    }

    @SuppressWarnings("unchecked")
    public static  T getAttribute(HttpServletRequest request, Enum key) {
        return (T) getAttribute(request, key.name());
    }

}