Java tutorial
/* * Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences. * * This file is part of Duckling project. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package net.duckling.ddl.web.api; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.duckling.ddl.common.Site; import net.duckling.ddl.service.resource.IResourceService; import net.duckling.ddl.service.resource.IStarmarkService; import net.duckling.ddl.service.resource.Resource; import net.duckling.ddl.util.JsonUtil; import net.duckling.ddl.web.interceptor.access.RequirePermission; import org.apache.commons.lang.StringUtils; import org.json.simple.JSONObject; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; @Controller @RequestMapping("/api/editStarmark") @RequirePermission(target = "team", operation = "view") public class APIStarmarkEditController extends APIBaseController { @Autowired private IResourceService resourceService; @Autowired private IStarmarkService starmarkService; @SuppressWarnings("unchecked") @RequestMapping public void service(HttpServletRequest request, HttpServletResponse response) { Site site = findSite(request); int tid = site.getId(); int rid = getRid(request, site); String uid = findUser(request); String operate = request.getParameter("operate"); if ("add".equals(operate)) { starmarkService.addStarmark(uid, rid, tid); } else if ("remove".equals(operate)) { starmarkService.removeStarmark(uid, rid, tid); } JSONObject json = new JSONObject(); json.put("status", "success"); json.put("rid", rid); JsonUtil.writeJSONObject(response, json); } private int getRid(HttpServletRequest request, Site site) { String rid = request.getParameter("rid"); if (StringUtils.isNotEmpty(rid)) { try { return Integer.parseInt(rid); } catch (Exception e) { } } String itemId = request.getParameter("itemId"); String itemType = request.getParameter("itemType"); if (StringUtils.isEmpty(itemId) || StringUtils.isEmpty(itemType)) { throw new RuntimeException("??"); } int id = Integer.parseInt(itemId); Resource r = resourceService.getResource(id, site.getId()); if (r != null) { return r.getRid(); } else { throw new RuntimeException("?itemId=" + itemId + ";itemType=" + itemType); } } }