/**
   * Update ffmpeg metadata.
   *
   * @param video the video
   * @param model the model
   * @throws IOException Signals that an I/O exception has occurred.
   */
  private void updateFfmpegMetadata(Video video, ProducerVideoDataInputEditModel model)
      throws IOException {
    Host host = model.getHost();
    Producer producer = model.getProducer();
    // FFMPEG
    if (video.getFileSize().longValue() == 0) {
      try {
        String videopfad = "";
        if (video.isOpenaccess())
          videopfad =
              L2goPropsUtil.get("lecture2go.media.repository")
                  + "/"
                  + host.getName()
                  + "/"
                  + producer.getHomeDir()
                  + "/"
                  + video.getFilename();
        else
          videopfad =
              L2goPropsUtil.get("lecture2go.media.repository")
                  + "/"
                  + host.getName()
                  + "/"
                  + producer.getHomeDir()
                  + "/"
                  + video.getSecureFilename();

        FFmpegManager ffmpegp = new FFmpegManager(videopfad);
        video.setDuration(ffmpegp.getVideoDuration());
        video.setResolution(ffmpegp.getVideoResolution());
        video.setBitrate(ffmpegp.getVideoBitRate());
        video.setFileSize(new File(videopfad).length());
        ((VideoDao) getDaoBeanFactory().getBean("videoDao"))
            .updateById(
                video.getTitle(),
                video.getTags(),
                video.getLectureseriesId(),
                video.getEigentuemerId(),
                video.getProducerId(),
                video.getContainerFormat(),
                video.getFilename(),
                video.getResolution(),
                video.getDuration(),
                video.getHostId(),
                video.getTextId(),
                video.getFileSize(),
                video.getGenerationDate(),
                video.isOpenaccess(),
                video.isDownloadAllawed(),
                video.getMetadataId(),
                video.getSecureFilename(),
                video.getHits(),
                video.isPermittedToSegment(),
                video.getFacilityId(),
                video.getCitation2go(),
                video.getId());
      } catch (NullPointerException npe) {
      }
    }
  }
  /**
   * Form backing object.
   *
   * @param request the request
   * @return the object
   */
  @Override
  protected Object formBackingObject(PortletRequest request) {
    ProducerVideoDataInputEditModel model = new ProducerVideoDataInputEditModel();
    String vid = request.getParameter("videoId");

    try {
      int vidId = new Integer(vid);
      Video video =
          ((VideoDao) getDaoBeanFactory().getBean("videoDao")).getById(vidId).iterator().next();
      Host host =
          ((HostDao) getDaoBeanFactory().getBean("hostDao"))
              .getById(video.getHostId())
              .iterator()
              .next();
      model.setHost(host);
      String remoteUserId = request.getRemoteUser();
      Integer ruid = new Integer(remoteUserId);
      // check user
      if (video.getProducerId() != ruid) {
        video.setId(-1);
      }
      Producer producer =
          ((ProducerDao) getDaoBeanFactory().getBean("producerDao"))
              .getByUserId(ruid)
              .iterator()
              .next();
      model.setProducer(producer);

      Metadata metadata =
          ((MetadataDao) getDaoBeanFactory().getBean("metadataDao"))
              .getById(video.getMetadataId())
              .iterator()
              .next();
      model.setMetadata(metadata);

      Lectureseries lectureseries =
          ((LectureseriesDao) getDaoBeanFactory().getBean("lectureseriesDao"))
              .getById(video.getLectureseriesId())
              .iterator()
              .next();
      model.setLectureseries(lectureseries);

      if (video.getFilename() == null) {
        model.setM4vFile(null);
        model.setMp3File(null);
        model.setPdfFile(null);
        model.setM4aFile(null);
      } else {
        String preffix = "";

        if (video.isOpenaccess()) {
          preffix = video.getPreffix();
          model.setOpenaccess(true);
          model.setSecureUrl(null);
        } else {
          preffix = video.getSPreffix();
          model.setOpenaccess(false);
          model.setSecureUrl(video.getSecureUrl());
        }

        // check, if existent on the hard disc
        String mp3File = preffix + ".mp3";
        String pdfFile = preffix + ".pdf";
        String m4vFile = preffix + ".m4v";
        String m4aFile = preffix + ".m4a";

        File fMp3 =
            new File(
                L2goPropsUtil.get("lecture2go.media.repository")
                    + "/"
                    + host.getServerRoot()
                    + "/"
                    + producer.getHomeDir()
                    + "/"
                    + mp3File);
        File fPdf =
            new File(
                L2goPropsUtil.get("lecture2go.media.repository")
                    + "/"
                    + host.getServerRoot()
                    + "/"
                    + producer.getHomeDir()
                    + "/"
                    + pdfFile);
        File fM4v =
            new File(
                L2goPropsUtil.get("lecture2go.media.repository")
                    + "/"
                    + host.getServerRoot()
                    + "/"
                    + producer.getHomeDir()
                    + "/"
                    + m4vFile);
        File fM4a =
            new File(
                L2goPropsUtil.get("lecture2go.media.repository")
                    + "/"
                    + host.getServerRoot()
                    + "/"
                    + producer.getHomeDir()
                    + "/"
                    + m4aFile);

        if (fMp3.isFile()) model.setMp3File(mp3File);
        else model.setMp3File(null);
        if (fPdf.isFile()) model.setPdfFile(pdfFile);
        else model.setPdfFile(null);
        if (fM4v.isFile()) model.setM4vFile(m4vFile);
        else model.setM4vFile(null);
        if (fM4a.isFile()) model.setM4aFile(m4aFile);
        else model.setM4aFile(null);
        if (video.isDownloadAllawed()) model.setDownloadAllawed(true);
        else model.setDownloadAllawed(false);
      }

      model.setDomainURL(L2goPropsUtil.get("lecture2go.web.home"));
      model.setVideo(video);
      model.setLectureseriesId(video.getLectureseriesId());
      model.setCommsyEmbed(true);
      model.setVideoId(video.getId());

    } catch (Exception e) {
      model.setVideoId(-1);
    }
    // set current seite for browsing!
    int currentSeite = 1;
    try {
      currentSeite = new Integer(request.getParameter("videoSeite"));
    } catch (Exception e) {
      // nothing to do
    }
    model.setCurrentSeite(currentSeite);
    model.setURL(null);
    return model;
  }