Java tutorial
/** * Licensed to Apereo under one or more contributor license * agreements. See the NOTICE file distributed with this work * for additional information regarding copyright ownership. * Apereo licenses this file to you 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 the following location: * * 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 org.jasig.portlet.announcements.mvc.servlet; import java.util.Date; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.jasig.portlet.announcements.model.Announcement; import org.jasig.portlet.announcements.service.IAnnouncementService; import org.springframework.beans.factory.BeanCreationException; import org.springframework.beans.factory.InitializingBean; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.cache.ehcache.EhCacheCacheManager; import org.springframework.stereotype.Controller; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.AbstractController; /** * @author eolsson */ @Controller("ajaxApproveController") public class ApproveAjaxController extends AbstractController implements InitializingBean { private IAnnouncementService announcementService; private EhCacheCacheManager cacheManager = null; @Autowired public void setAnnouncementService(IAnnouncementService announcementService) { this.announcementService = announcementService; } @Autowired public void setCacheManager(EhCacheCacheManager cacheManager) { this.cacheManager = cacheManager; } public void afterPropertiesSet() throws Exception { if (cacheManager == null) { throw new BeanCreationException("Required cacheManager field was not set"); } } @Override protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception { Long annId = Long.valueOf(request.getParameter("annId")); Boolean approval = Boolean.valueOf(request.getParameter("approval")); Announcement ann = announcementService.getAnnouncement(annId); Date startDisplay = ann.getStartDisplay(); Date endDisplay = ann.getEndDisplay(); if (endDisplay == null) { // Unspecified end date means the announcement does not expire; we // will substitute a date in the future each time this item is // evaluated. long aYearFromNow = System.currentTimeMillis() + Announcement.MILLISECONDS_IN_A_YEAR; endDisplay = new Date(aYearFromNow); } Date now = new Date(); int status = 3; /** * Scheduled = 0 * Expired = 1 * Showing = 2 * Pending = 3 */ if (startDisplay.after(now) && endDisplay.after(now) && approval) { status = 0; } else if (startDisplay.before(now) && endDisplay.after(now) && approval) { status = 2; } else if (endDisplay.before(now)) { status = 1; } ann.setPublished(approval); cacheManager.getCacheManager().getCache("guestAnnouncementCache").flush(); announcementService.addOrSaveAnnouncement(ann); return new ModelAndView("ajaxApprove", "status", status); } }