managepollaction.java

近几年来

package tarena.action;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

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

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 org.apache.struts.actions.LookupDispatchAction;
import org.hibernate.Session;

import tarena.pojo.Poll;
import tarena.pojo.PollLine;
import tarena.proxy.Business;
import tarena.util.ContextUtil;

public class ManagePollAction extends LookupDispatchAction {

	protected Map getKeyMethodMap() {
		Map map = new HashMap();
		map.put("info.button.endpoll", "end");
		map.put("info.button.deletepoll", "delete");
		return map;
	}

	/**
	 * 假设保存调查成功, 则将application作用域的poll对象删除, clientIPMap对象清空, 跳转至调查列表页面, 显示成功信息,
	 * 或者显示失败信息
	 */
	public ActionForward end(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ServletContext servletContext = request.getSession()
				.getServletContext();
		int availableNum = 0;
		double totalScore = 0.0d;
		Poll poll = (Poll) servletContext.getAttribute(ContextUtil.POLL);
		Set pollLineSet = poll.getPollLineSet();
		for (Iterator it = pollLineSet.iterator(); it.hasNext();) {
			PollLine pollLine = (PollLine) it.next();
			if (pollLine.getIsValid().equals("y")) {
				availableNum++;

				totalScore += pollLine.getC1().doubleValue()
						+ pollLine.getC2().doubleValue()
						+ pollLine.getC3().doubleValue()
						+ pollLine.getC4().doubleValue()
						+ +pollLine.getC5().doubleValue()
						+ pollLine.getC6().doubleValue()
						+ pollLine.getC7().doubleValue();
			}
		}
		poll.setAmount(new Integer(poll.getPollLineSet().size()));
		poll.setAvailableNum(new Integer(availableNum));
		poll.setTotalscore(new Integer((int)totalScore));
		poll.setAvgScore(new Double(Math.round(totalScore
				/ poll.getAvailableNum().intValue() / 7 * 100) / 100.00));
		poll.setStatus("n");
		ActionErrors errors = new ActionErrors();
		Session session = (Session)request.getAttribute(ContextUtil.SESSION);
		if (pollLineSet.size() < 1) {
			errors.add("warn.endpoll", new ActionMessage("warn.endpoll"));
		} else if (Business.savePoll(session, poll)) {
			servletContext.removeAttribute(ContextUtil.POLL);
			Map clientIPMap = (Map) servletContext
					.getAttribute(ContextUtil.CLIENT_IP_MAP);
			clientIPMap.clear();
			errors.add("info.endpoll", new ActionMessage("info.endpoll"));
		} else {
			errors.add("error.endpoll", new ActionMessage("error.endpoll"));
		}
		saveErrors(request.getSession(), errors);
		return mapping.findForward("return");
	}

	/**
	 * 将application作用域的poll对象删除,clientIPMap对象清空, 跳转至调查列表页面
	 */
	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ServletContext servletContext = request.getSession()
				.getServletContext();
		servletContext.removeAttribute(ContextUtil.POLL);
		Map clientIPMap = (Map) servletContext
				.getAttribute(ContextUtil.CLIENT_IP_MAP);
		clientIPMap.clear();
		ActionErrors errors = new ActionErrors();		
		errors.add("info.deletepoll", new ActionMessage("info.deletepoll"));
		saveErrors(request.getSession(), errors);		
		return mapping.findForward("return");
	}
}