Examples with TabularRdfCreator nl.knaw.huygens.timbuctoo.v5.bulkupload.TabularRdfCreator used on opensource projects

Example 1 with TabularRdfCreator

use of nl.knaw.huygens.timbuctoo.v5.bulkupload.TabularRdfCreator in project timbuctoo by HuygensING.

the class TabularUpload method upload.

@Consumes(MediaType.MULTIPART_FORM_DATA)
@Produces(MediaType.APPLICATION_JSON)
@POST
public Response upload(@FormDataParam("file") final InputStream rdfInputStream, @FormDataParam("file") final FormDataBodyPart body, @FormDataParam("file") final FormDataContentDisposition fileInfo, @FormDataParam("fileMimeTypeOverride") final MediaType mimeTypeOverride, FormDataMultiPart formData, @HeaderParam("authorization") final String authHeader, @PathParam("userId") final String ownerId, @PathParam("dataSetId") final String dataSetId, @QueryParam("forceCreation") boolean forceCreation) throws DataStoreCreationException, FileStorageFailedException, ExecutionException, InterruptedException, LogStorageFailedException {
    final Either<Response, Response> result = authCheck.getOrCreate(authHeader, ownerId, dataSetId, forceCreation).flatMap(userAndDs -> authCheck.hasAdminAccess(userAndDs.getLeft(), userAndDs.getRight())).map(userAndDs -> {
        final MediaType mediaType = mimeTypeOverride == null ? body.getMediaType() : mimeTypeOverride;
        Optional<Loader> loader = LoaderFactory.createFor(mediaType.toString(), formData.getFields().entrySet().stream().filter(entry -> entry.getValue().size() > 0).filter(entry -> entry.getValue().get(0) != null).filter(entry -> MediaTypes.typeEqual(MediaType.TEXT_PLAIN_TYPE, entry.getValue().get(0).getMediaType())).collect(Collectors.toMap(Map.Entry::getKey, entry -> entry.getValue().get(0).getValue())));
        if (!loader.isPresent()) {
            return errorResponseHelper.error(400, "We do not support the mediatype '" + mediaType + "'. Make sure to add the correct mediatype to the file " + "parameter. In curl you'd use `-F \"file=@<filename>;type=<mediatype>\"`. In a webbrowser you probably " + "have no way of setting the correct mimetype. So you can use a special parameter to override it: " + "`formData.append(\"fileMimeTypeOverride\", \"<mimetype>\");`");
        }
        final DataSet dataSet = userAndDs.getRight();
        ImportManager importManager = dataSet.getImportManager();
        if (StringUtils.isBlank(fileInfo.getName())) {
            return Response.status(400).entity("filename cannot be empty.").build();
        }
        try {
            String fileToken = importManager.addFile(rdfInputStream, fileInfo.getFileName(), mediaType);
            Future<ImportStatus> promise = importManager.generateLog(dataSet.getMetadata().getBaseUri(), dataSet.getMetadata().getBaseUri(), new TabularRdfCreator(loader.get(), fileToken, fileInfo.getFileName()));
            return handleImportManagerResult(promise);
        } catch (FileStorageFailedException | LogStorageFailedException e) {
            LOG.error("Tabular upload failed", e);
            return Response.serverError().build();
        }
    });
    if (result.isLeft()) {
        return result.getLeft();
    } else {
        return result.get();
    }
}