manageimagecontroller.java

java写的blog

/*
 * Created on 2004-10-9
 * 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;

/**
 * List the images of the specified category.
 * 
 * @author Xuefeng
 */
public class ManageImageController implements Controller {

    private Facade facade;

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

    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
        int accountId = Identity.getIdentity(request).getAccountId();
        int categoryId = (-1);
        String s_categoryId = request.getParameter("categoryId");
        if(s_categoryId!=null && !s_categoryId.equals(""))
            categoryId = Integer.parseInt(s_categoryId);
        // get images:
        List images = null;
        if(categoryId!=(-1))
            images = facade.getImages(categoryId);
        else
            images = Collections.EMPTY_LIST;
        // get categories:
        List categories = facade.getCategoriesOfType(accountId, Category.TYPE_IMAGES);

        Map map = new HashMap();
        map.put("categories", categories);
        map.put("categoryId", new Integer(categoryId));
        map.put("images", images);
        map.put("total", new Integer(images.size()));
        map.put("account", facade.getAccount(accountId));
        map.put("position", "Manage >> Image");
        return new ModelAndView("/manage/image-list.html", map);
    }

}