managecategorycontroller.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;

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

    private Facade facade;

    private String[] names = {"Category", "Gallery", "Favorite"};

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

    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
        // check if login:
        int accountId = Identity.getIdentity(request).getAccountId();
        Account account = facade.getAccount(accountId);
        String s_type = request.getParameter("type");
        int type = 0;
        if(s_type!=null && !s_type.equals(""))
            type = Integer.parseInt(s_type);
        if(type<0 || type>2)
            throw new IllegalArgumentException("Parameter \"type\" is invalid.");
        List categories = facade.getCategoriesOfType(accountId, type);
        // model:
        Map map = new HashMap();
        map.put("account", account);
        map.put("categories", categories);
        map.put("position", "Manage >> " + names[type]);
        map.put("type", new Integer(type));
        return new ModelAndView("/manage/category-list.html", map);
    }

}