editarticlecontroller.java

java写的blog

/*
 * Created on 2004-10-8
 * 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;

/**
 * TODO Description here...
 * 
 * @author Xuefeng
 */
public class EditArticleController implements Controller {

    private Facade facade;

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

    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
        Identity id = Identity.getIdentity(request);
        boolean create = "true".equals(request.getParameter("create"));
        Article article = null;
        if(!create) {
            // update article:
            int articleId = Integer.parseInt(request.getParameter("articleId"));
            article = facade.getArticle(articleId);
        }
        else {
            article = new Article();
        }
        // create model:
        Map map = new HashMap();
        map.put("account", facade.getAccount(id.getAccountId()));
        map.put("categories", facade.getCategoriesOfArticle(id.getAccountId()));
        map.put("article", article);
        map.put("action", create ? "createArticle.c" : "updateArticle.c");
        map.put("position", create ? "Manage >> New Article" : "Manage >> Update Article");
        return new ModelAndView("/manage/article-edit.html", map);
    }

}