org.magnum.dataup.MyVideoController.java Source code

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Here is the source code for org.magnum.dataup.MyVideoController.java

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/*
 * 
 * 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.dataup;

import java.io.IOException;
import java.io.OutputStream;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicLong;

import org.magnum.dataup.VideoFileManager;
import org.magnum.dataup.model.Video;
import org.magnum.dataup.model.VideoStatus;
import org.magnum.dataup.model.VideoStatus.VideoState;
import org.springframework.stereotype.Controller;
import org.springframework.test.web.client.ResponseCreator;
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 org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.multipart.MultipartFile;

import com.sun.xml.internal.ws.client.ResponseContextReceiver;

import retrofit.client.Response;
import retrofit.http.Body;
import retrofit.http.GET;
import retrofit.http.Multipart;
import retrofit.http.POST;
import retrofit.http.Part;
import retrofit.http.Path;
import retrofit.http.Streaming;
import retrofit.mime.TypedFile;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.*;

@Controller
public class MyVideoController {

    private static final AtomicLong currentId = new AtomicLong(0L);

    private Map<Long, Video> videos = new HashMap<Long, Video>();

    // getVideoList()
    @RequestMapping(value = "/video", method = RequestMethod.GET)
    public @ResponseBody Collection<Video> getVideoList() {
        return videos.values();
    }

    // addVideos ()
    @RequestMapping(value = "/video", method = RequestMethod.POST)
    public @ResponseBody Video addVideo(@RequestBody Video v) {
        checkAndSetId(v);
        v.setDataUrl(getMyDataUrl(v.getId()));
        videos.put(v.getId(), v);
        return v;
    }

    // setVideoData()
    @RequestMapping(value = "/video/{id}/data", method = RequestMethod.POST)
    public @ResponseBody VideoStatus setVideoData(@PathVariable("id") long id,
            @RequestParam("data") MultipartFile videoData, HttpServletResponse response) {

        if (id == 0 || videoData == null) {
            response.setStatus(404);
            return (new VideoStatus(VideoState.READY));
        }

        Video v = videos.get(id);

        if (v == null) {
            response.setStatus(404);
            return (new VideoStatus(VideoState.READY));
        }

        try {
            VideoFileManager vfm = VideoFileManager.get();
            vfm.saveVideoData(v, videoData.getInputStream());
        } catch (Exception e) {
            e.printStackTrace();
        }

        return (new VideoStatus(VideoState.READY));
    }

    // getData()
    @RequestMapping(value = "/video/{id}/data", method = RequestMethod.GET)
    @Streaming
    Response getData(@PathVariable("id") long id, HttpServletResponse response) {
        Video v = videos.get(id);
        if (v == null) {
            response.setStatus(404);
            return null;
        }
        try {
            VideoFileManager vfm = VideoFileManager.get();
            vfm.copyVideoData(v, response.getOutputStream());
        } catch (Exception e) {
            e.printStackTrace();
        }

        return null;
    }

    private String getMyDataUrl(long videoId) {
        String url = getUrlBaseForLocalServer() + "/video/" + videoId + "/data";
        return url;
    }

    private String getUrlBaseForLocalServer() {
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes())
                .getRequest();
        String base = "http://" + request.getServerName()
                + ((request.getServerPort() != 80) ? ":" + request.getServerPort() : "");
        return base;
    }

    private void checkAndSetId(Video entity) {
        if (entity.getId() == 0) {
            entity.setId(currentId.incrementAndGet());
        }
    }

}