activatedtimetaskaction.java

struts+hibernate BBS mysql数据库 功能基本齐全

package com.elan.forum.actions.util;

import java.util.Calendar;
import java.util.Timer;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;

import com.elan.forum.util.ForumTimeTask;
/**
 * 定时器，或者触发器动作
 * @author Elan
 *
 */
public class ActivatedTimeTaskAction extends Action {

	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		HttpSession session = request.getSession();
		if(!ValidateAdminAction.validate(session)) {
			return vilidateAdminError(request, mapping);
		}
		Timer timer = new Timer();
		ForumTimeTask timerTask = null;
		timerTask = new ForumTimeTask(request.getSession().getServletContext());
		Calendar c = Calendar.getInstance();
		c.set((Integer.valueOf(c.get(Calendar.YEAR))).intValue(), Integer
				.valueOf(c.get(Calendar.MONTH)).intValue(), Integer.valueOf(
				c.get(Calendar.DATE)).intValue() + 1, 0, 0, 0);
		long Surplus = c.getTimeInMillis() - System.currentTimeMillis();
		timer.schedule(timerTask, Surplus, 24 * 60 * 60 * 1000);
		return mapping.findForward("success");
	}
	
	private ActionForward vilidateAdminError(HttpServletRequest request, ActionMapping mapping) {
			ActionErrors errors = new ActionErrors();
			errors.add("adminerr", new ActionMessage("admin.action.do.err"));
			saveErrors(request,errors);
			System.out.println("adminerror");
			return mapping.findForward("adminError");
	}
}