createfeedbackcontroller.java

java写的blog

/*
 * Created on 2004-10-4
 * Author: Xuefeng, Copyright (C) 2004, Xuefeng.
 */
package org.crystalblog.web;

import java.util.*;
import javax.servlet.http.*;

import org.crystalblog.domain.*;
import org.crystalblog.logic.Facade;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

/**
 * TO create a feedback. URL=/createFeedback.c?accountId=###&articleId=###
 * 
 * @author Xuefeng
 */
public class CreateFeedbackController implements Controller {

    // TODO...
    private Facade facade;

    public void setFacade(Facade facade) { this.facade = facade; }

    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
        int articleId = Integer.parseInt(request.getParameter("articleId"));
        int accountId = Integer.parseInt(request.getParameter("accountId"));
        Article article = facade.getArticle(articleId);
        if(article.getAccountId()!=accountId)
            throw new IllegalArgumentException();
        // create a new feedback:
        Feedback feedback = new Feedback();
        feedback.setUsername(request.getParameter("username"));
        feedback.setUrl(request.getParameter("url"));
        feedback.setContent(request.getParameter("content"));
        feedback.setArticleId(articleId);
        feedback.setCreatedDate(new Date());
        // create:
        facade.createFeedback(feedback);
        // forward to the "article.c"
        response.sendRedirect("article.c?articleId=" + articleId);
        return null;
    }

}