AbstractOryxResource.java 文件源码

private Collection<Part> parseMultipartWithCommonsFileUpload(HttpServletRequest request) throws IOException {
  if (sharedFileItemFactory.get() == null) {
    // Not a big deal if two threads actually set this up
    DiskFileItemFactory fileItemFactory = new DiskFileItemFactory(
        1 << 16, (File) servletContext.getAttribute("javax.servlet.context.tempdir"));
    fileItemFactory.setFileCleaningTracker(
        FileCleanerCleanup.getFileCleaningTracker(servletContext));
    sharedFileItemFactory.compareAndSet(null, fileItemFactory);
  }

  try {
    return new ServletFileUpload(sharedFileItemFactory.get()).parseRequest(request)
        .stream().map(FileItemPart::new).collect(Collectors.toList());
  } catch (FileUploadException e) {
    throw new IOException(e.getMessage());
  }
}