deletecategorycontroller.java

java写的blog

/*
 * Created on 2004-10-7
 * 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;

/**
 * Delete the category.
 * 
 * @author Xuefeng
 */
public class DeleteCategoryController 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);
        int categoryId = Integer.parseInt(request.getParameter("categoryId"));
        Category category = facade.getCategory(categoryId);
        // delete it:
        facade.deleteCategory(id, categoryId);
        // show result:
        Map map = new HashMap();
        map.put("account", facade.getAccount(id.getAccountId()));
        map.put("message", "This \"" + category.getName() + "\" has been deleted successfully!");
        map.put("url", "manageCategory.c?type=" + category.getType());
        map.put("position", "Manage >> Result");
        return new ModelAndView("/manage/result.html", map);
    }

}