SupportResource.java 文件源码

@POST
@Path("download")
@Consumes(MediaType.APPLICATION_JSON)
public Response downloadData(@PathParam("jobId") JobId jobId)
    throws IOException, UserNotFoundException, JobResourceNotFoundException {
  final DownloadDataResponse response;
  try {
    response = supportService.downloadSupportRequest(context.getUserPrincipal().getName(), jobId);
  } catch (JobNotFoundException e) {
    throw JobResourceNotFoundException.fromJobNotFoundException(e);
  }
  final StreamingOutput streamingOutput = new StreamingOutput() {
    @Override
    public void write(OutputStream output) throws IOException, WebApplicationException {
      IOUtils.copyBytes(response.getInput(), output, 4096, true);
    }
  };
  return Response.ok(streamingOutput, MediaType.APPLICATION_OCTET_STREAM)
    .header("Content-Disposition", "attachment; filename=\"" + response.getFileName() + "\"").build();
}