Java tutorial
/* * * Copyright 2014 Jules White * * 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 org.magnum.mobilecloud.video; import java.util.Collection; import java.util.Set; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.http.HttpResponse; import org.magnum.mobilecloud.video.client.VideoSvcApi; import org.magnum.mobilecloud.video.repository.Video; import org.magnum.mobilecloud.video.repository.VideoRepository; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import retrofit.http.Body; import retrofit.http.GET; import retrofit.http.POST; import retrofit.http.Path; import retrofit.http.Query; import com.google.common.collect.Lists; @Controller public class VideoSvc { /** * You will need to create one or more Spring controllers to fulfill the * requirements of the assignment. If you use this file, please rename it * to something other than "AnEmptyController" * * ________ ________ ________ ________ ___ ___ ___ ________ ___ __ |\ ____\|\ __ \|\ __ \|\ ___ \ |\ \ |\ \|\ \|\ ____\|\ \|\ \ \ \ \___|\ \ \|\ \ \ \|\ \ \ \_|\ \ \ \ \ \ \ \\\ \ \ \___|\ \ \/ /|_ \ \ \ __\ \ \\\ \ \ \\\ \ \ \ \\ \ \ \ \ \ \ \\\ \ \ \ \ \ ___ \ \ \ \|\ \ \ \\\ \ \ \\\ \ \ \_\\ \ \ \ \____\ \ \\\ \ \ \____\ \ \\ \ \ \ \_______\ \_______\ \_______\ \_______\ \ \_______\ \_______\ \_______\ \__\\ \__\ \|_______|\|_______|\|_______|\|_______| \|_______|\|_______|\|_______|\|__| \|__| * */ @Autowired private VideoRepository videos; @RequestMapping(value = "/go", method = RequestMethod.GET) public @ResponseBody String goodLuck() { return "Good Luck!"; } @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH, method = RequestMethod.GET) public @ResponseBody Collection<Video> getVideoList() { return Lists.newArrayList(videos.findAll()); } @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH + "/{id}", method = RequestMethod.GET) public @ResponseBody Video getVideoById(@PathVariable("id") long id) { return videos.findOne(id); } @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH, method = RequestMethod.POST) public @ResponseBody Video addVideo(@RequestBody Video v) { v.setLikes(0); return videos.save(v); } @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH + "/{id}/like", method = RequestMethod.POST) public @ResponseBody void likeVideo(@PathVariable("id") long id, HttpServletRequest request, HttpServletResponse response) { Video video = videos.findOne(id); if (video != null) { Set<String> users = video.getLikesUserNames(); String user = request.getRemoteUser(); System.out.println("User: " + user); if (users.contains(user)) { response.setStatus(HttpServletResponse.SC_BAD_REQUEST); } else { users.add(user); video.setLikesUserNames(users); video.setLikes(users.size()); videos.save(video); response.setStatus(HttpServletResponse.SC_OK); } } else { response.setStatus(HttpServletResponse.SC_NOT_FOUND); } } //@POST(VIDEO_SVC_PATH + "/{id}/unlike") @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH + "/{id}/unlike", method = RequestMethod.POST) public @ResponseBody void unlikeVideo(@PathVariable("id") long id, HttpServletRequest request, HttpServletResponse response) { Video video = videos.findOne(id); if (video != null) { Set<String> users = video.getLikesUserNames(); String user = request.getRemoteUser(); if (users.contains(user)) { users.remove(user); video.setLikesUserNames(users); video.setLikes(users.size()); videos.save(video); response.setStatus(HttpServletResponse.SC_OK); } else { response.setStatus(HttpServletResponse.SC_BAD_REQUEST); } } else { response.setStatus(HttpServletResponse.SC_NOT_FOUND); } } @RequestMapping(value = VideoSvcApi.VIDEO_TITLE_SEARCH_PATH, method = RequestMethod.GET) public @ResponseBody Collection<Video> findByTitle(@RequestParam(VideoSvcApi.TITLE_PARAMETER) String title) { return videos.findByName(title); } @RequestMapping(value = VideoSvcApi.VIDEO_DURATION_SEARCH_PATH, method = RequestMethod.GET) public @ResponseBody Collection<Video> findByDurationLessThan( @RequestParam(VideoSvcApi.DURATION_PARAMETER) long duration) { return videos.findByDurationLessThan(duration); } @RequestMapping(value = VideoSvcApi.VIDEO_SVC_PATH + "/{id}/likedby", method = RequestMethod.GET) public @ResponseBody Collection<String> getUsersWhoLikedVideo(@PathVariable("id") long id, HttpServletResponse response) { Video video = videos.findOne(id); Set<String> users = null; if (video != null) { users = video.getLikesUserNames(); response.setStatus(HttpServletResponse.SC_OK); } else { response.setStatus(HttpServletResponse.SC_NOT_FOUND); } return users; } }