年底收藏系列 Java Web工具SessionTick

package org.lambdasoft.web.support;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import javax.servlet.http.HttpSession;
import org.apache.struts2.ServletActionContext;
import org.lambdasoft.web.Enviroment;
public class SessionSupport {
private SessionSupport() {}

/**
* 获取当前用户Session
*
* @return httpSession
*/
public final static HttpSession getSession() {
return ServletActionContext.getRequest().getSession();
}

@SuppressWarnings("unchecked")
public final static void removeAllSession(HttpSession session) {
if(session == null)
return;
Enumeration names = session.getAttributeNames();
if(names == null)
return;
List<String> sessionNamesList = new ArrayList<String>();
while (names.hasMoreElements())
sessionNamesList.add((String)names.nextElement());
for (String sessionName : sessionNamesList) {
session.removeAttribute(sessionName);
}
}

/**
* 添加或者更新Session票据信息
*
* @param sessionTick
*/
public final static void updateSessionTick(SessionTick<TickInterface> sessionTick) {
getSession().removeAttribute(Enviroment.getEnv().getEnv("WEB_SESSION_KEY"));
getSession().setAttribute(Enviroment.getEnv().getEnv("WEB_SESSION_KEY"), sessionTick);
}

/**
* 把用户票据加入到Session
* @param account
*/
public final static void addTickToSession(TickInterface account) {
SessionTick<TickInterface> tick = new SessionTick<TickInterface>();
tick.setAccount(account);
updateSessionTick(tick);
}
}
/*
* SessionTick.java
* Copyright (C) 2009 <JustinLei@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
*