예제 #1
0
  private FlowInfo getFlowInfo(HttpServletRequest request) throws ServletException {
    String base_dir = UPLOAD_DIR;

    int flowChunkSize = HttpUtils.toInt(request.getParameter("flowChunkSize"), -1);
    long flowTotalSize = HttpUtils.toLong(request.getParameter("flowTotalSize"), -1);
    String flowIdentifier = request.getParameter("flowIdentifier");
    String flowFilename = request.getParameter("flowFilename");
    String flowRelativePath = request.getParameter("flowRelativePath");

    // DEBUG
    // System.out.println(
    // "base_dir = " + base_dir + "\n"
    // + "flowChunkSize = " + flowChunkSize + "\n"
    // + "flowTotalSize = " + flowTotalSize + "\n"
    // + "flowIdentifier = " + flowIdentifier + "\n"
    // + "flowFilename = " + flowFilename + "\n"
    // + "flowRelativePath = " + flowRelativePath
    // );
    // !DEBUG

    File flowFile = new File(base_dir, flowFilename);

    // Create the folder if it doesn't exist yet
    flowFile.getParentFile().mkdirs();

    // Here we add a ".temp" to every upload file to indicate NON-FINISHED
    String flowFilePath = flowFile.getAbsolutePath() + ".temp";

    FlowInfoStorage storage = FlowInfoStorage.getInstance();

    FlowInfo info =
        storage.get(
            flowChunkSize,
            flowTotalSize,
            flowIdentifier,
            flowFilename,
            flowRelativePath,
            flowFilePath);
    if (!info.vaild()) {
      storage.remove(info);
      throw new ServletException("Invalid request params.");
    }
    return info;
  }
예제 #2
0
  protected void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    int flowChunkNumber = getFlowChunkNumber(request);

    FlowInfo info = getFlowInfo(request);

    RandomAccessFile raf = new RandomAccessFile(info.flowFilePath, "rw");

    // Seek to position
    long offset = ((long) (flowChunkNumber - 1)) * info.flowChunkSize;

    raf.seek(offset);

    // Save to file
    InputStream is = request.getInputStream();
    long readed = 0;
    long content_length = request.getContentLength();
    byte[] bytes = new byte[1024 * 100];
    while (readed < content_length) {
      int r = is.read(bytes);
      if (r < 0) {
        break;
      }
      raf.write(bytes, 0, r);
      readed += r;
    }
    raf.close();

    // Mark as uploaded.
    info.uploadedChunks.add(new FlowInfo.FlowChunkNumber(flowChunkNumber));

    // Print the number
    System.out.println(
        "Chunk #" + flowChunkNumber + " of " + info.flowFilename + " has been uploaded.");

    if (info.checkIfUploadFinished()) { // Check if all chunks uploaded, and change filename
      FlowInfoStorage.getInstance().remove(info);
      response.getWriter().print("All finished.");

      getOptionIsoName = GetIso();
      list(info.flowFilename, getOptionIsoName);

      // System.out.println(info.flowFilename + " is completed.");

    } else {
      response.getWriter().print("Upload");
    }
  }