listaction.java

开源项目CRM之OpenCustomer

package org.opencustomer.application.web.module.system.user.manage.sessionmonitor;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.Set;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.commons.lang.builder.CompareToBuilder;
import org.apache.log4j.Logger;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.opencustomer.application.db.vo.system.UserVO;
import org.opencustomer.application.web.Globals;
import org.opencustomer.application.web.struts.Action;
import org.opencustomer.web.util.SessionMonitor;

public class ListAction extends Action<ListForm>
{

    private final static Logger log = Logger.getLogger(ListAction.class);

    @Override
    public ActionForward execute(ActionMapping mapping, ListForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
    {

        Set<HttpSession> sessions = SessionMonitor.getSessions();

        if (log.isDebugEnabled())
            log.debug("found " + sessions.size() + " active sessions");

        ArrayList<SessionInfoBean> list = new ArrayList<SessionInfoBean>();
        for (HttpSession session : sessions)
        {
            SessionMonitor monitor = (SessionMonitor) session.getAttribute(Globals.SESSION_MONITOR_KEY);

            SessionInfoBean bean = new SessionInfoBean();
            bean.setLoginTime(new Date(monitor.getLogin()));
            bean.setLastAccessTime(new Date(monitor.getLastAccess()));
            bean.setInactiveTime(System.currentTimeMillis() - monitor.getLastAccess());
            UserVO user = (UserVO) session.getAttribute(Globals.USER_KEY);
            if (user != null)
                bean.setUsername(user.getUserName());
            list.add(bean);
        }

        Collections.sort(list, new Comparator<SessionInfoBean>() {
            public int compare(SessionInfoBean bean1, SessionInfoBean bean2)
            {
                CompareToBuilder builder = new CompareToBuilder();

                builder.append(bean1.getUsername(), bean2.getUsername());
                builder.append(bean2.getLoginTime(), bean1.getLoginTime());

                return builder.toComparison();
            }
        });

        request.setAttribute("list", list);

        SessionStatisticBean statistic = new SessionStatisticBean();
        for (SessionInfoBean bean : list)
            statistic.add(bean.getInactiveTime() / 1000);

        request.setAttribute("statistic", statistic);

        return mapping.getInputForward();
    }
}