pollaction.java

近几年来

package tarena.action;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

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

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 tarena.form.PollForm;
import tarena.pojo.*;
import tarena.util.ContextUtil;

public class PollAction extends Action {

	/**
	 * 客户提交调查, 成功往application作用域的poll对象中加入对应的pollLine
	 * 以及设置CLIENT_IP_MAP所代表map对象里对应客户端IP的value值为Boolean类型的true
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ActionErrors errors = new ActionErrors();
		ServletContext servletContext = request.getSession()
				.getServletContext();
		Map clientIPMap = (Map) servletContext
				.getAttribute(ContextUtil.CLIENT_IP_MAP);
		Boolean isPolled = (Boolean) clientIPMap.get(request.getRemoteAddr());
		if (isPolled.booleanValue()) {
			// 判断重复提交;
			errors.add("error.doublepoll",
					new ActionMessage("error.doublepoll"));
		} else {
			// 往poll对象里加入当前提交的pollLine对象
			PollForm pollForm = (PollForm) form;
			PollLine pollLine = createPollLine(pollForm);
			Poll poll = (Poll) request.getSession().getServletContext()
					.getAttribute(ContextUtil.POLL);
			poll.getPollLineSet().add(pollLine);
			pollLine.setPoll(poll);

			// 设置CLIENT_IP_MAP所代表map对象里对应客户端IP的value值为Boolean类型的true
			clientIPMap.put(request.getRemoteAddr(), new Boolean("true"));

			errors.add("info.poll", new ActionMessage("info.poll"));
		}
		saveErrors(request.getSession(), errors);
		return mapping.findForward("return");
	}

	private PollLine createPollLine(PollForm pollForm) {
		List q1 = new ArrayList();
		List q2 = new ArrayList();
		PollLine pollLine = new PollLine();

		pollLine.setC1(pollForm.getC1());
		pollLine.setC2(pollForm.getC2());
		pollLine.setC3(pollForm.getC3());
		pollLine.setC4(pollForm.getC4());
		pollLine.setC5(pollForm.getC5());
		pollLine.setC6(pollForm.getC6());
		pollLine.setC7(pollForm.getC7());
		pollLine.setC8(pollForm.getC8());
		pollLine.setC9(pollForm.getC9());
		pollLine.setC10(pollForm.getC10());
		pollLine.setC11(pollForm.getC11());
		pollLine.setC12(pollForm.getC12());
		pollLine.setC13(pollForm.getC13());
		pollLine.setC14(pollForm.getC14());

		if (!(pollForm.getQ11() == null || pollForm.getQ11().trim().length() < 1))
			q1.add(pollForm.getQ11());
		if (!(pollForm.getQ12() == null || pollForm.getQ12().trim().length() < 1))
			q1.add(pollForm.getQ12());
		if (!(pollForm.getQ13() == null || pollForm.getQ13().trim().length() < 1))
			q1.add(pollForm.getQ13());
		q2.add(pollForm.getQ21());
		q2.add(pollForm.getQ22());
		q2.add(pollForm.getQ23());

		pollLine.setQ1(q1);
		pollLine.setQ2(q2);

		pollLine.setAvgScore(calAvgScore(pollLine));
		pollLine.setIsValid(isValid(pollLine)?"y":"n");
		return pollLine;
	}
	
	private double calAvgScore(PollLine pollLine) {
		double avgScore = 0.0d;
		avgScore += pollLine.getC1().doubleValue();
		avgScore += pollLine.getC2().doubleValue();
		avgScore += pollLine.getC3().doubleValue();
		avgScore += pollLine.getC4().doubleValue();
		avgScore += pollLine.getC5().doubleValue();
		avgScore += pollLine.getC6().doubleValue();
		avgScore += pollLine.getC7().doubleValue();
		avgScore = Math.round(avgScore / 7 * 100) / 100.00;
		return avgScore;
	}

	private boolean isValid(PollLine pollLine) {
		boolean flag = true;
		if (pollLine.getC1().doubleValue() <= 2.0
				&& pollLine.getC2().doubleValue() <= 2.0
				&& pollLine.getC3().doubleValue() <= 2.0
				&& pollLine.getC4().doubleValue() <= 2.0
				&& pollLine.getC5().doubleValue() <= 2.0
				&& pollLine.getC6().doubleValue() <= 2.0
				&& pollLine.getC7().doubleValue() <= 2.0)
			flag = false;
		return flag;
	}	
}