How to use

ImportUtil

in

de.tudarmstadt.ukp.clarin.webanno.export

if (!ImportUtil.isZipValidWebanno(tempFile)) {
  throw new IOException("ZIP file is not a valid project archive");

private IResourceStream exportLayerJson()
{
  try {
    AnnotationLayer layer = getModelObject();
    List<ExportedAnnotationLayer> exLayers = new ArrayList<>();
    ExportedAnnotationLayer exMainLayer = ImportUtil.exportLayerDetails(null, null,
        layer, annotationService);
    exLayers.add(exMainLayer);
    // If the layer is attached to another layer, then we also have to export
    // that, otherwise we would be missing it during re-import.
    if (layer.getAttachType() != null) {
      AnnotationLayer attachLayer = layer.getAttachType();
      ExportedAnnotationLayer exAttachLayer = ImportUtil.exportLayerDetails(null,
          null, attachLayer, annotationService);
      exMainLayer.setAttachType(
          new ExportedAnnotationLayerReference(exAttachLayer.getName()));
      exLayers.add(exAttachLayer);
    }
    return new InputStreamResourceStream(new ByteArrayInputStream(
        JSONUtil.toPrettyJsonString(exLayers).getBytes("UTF-8")));
  }
  catch (Exception e) {
    error("Unable to generate the JSON file: " + ExceptionUtils.getRootCauseMessage(e));
    ProjectLayersPanel.LOG.error("Unable to generate the JSON file", e);
    RequestCycle.get().find(IPartialPageRequestHandler.class)
        .ifPresent(handler -> handler.addChildren(getPage(), IFeedback.class));
    return null;
  }
}

ImportUtil.setLayer(annotationService, layer, aExLayer, project, aUser);
ImportUtil.setLayer(annotationService, layer, aExLayer, project, aUser);
    && annotationService.existsTagSet(exTagset.getName(), project)) {
  tagSet = annotationService.getTagSet(exTagset.getName(), project);
  ImportUtil.createTagSet(tagSet, exTagset, project, aUser, annotationService);
  ImportUtil.createTagSet(tagSet, exTagset, project, aUser, annotationService);
      layer);
  feature.setTagset(tagSet);
  ImportUtil.setFeature(annotationService, feature, exfeature, project, aUser);
  continue;
feature.setLayer(layer);
feature.setTagset(tagSet);
ImportUtil.setFeature(annotationService, feature, exfeature, project, aUser);

String text = IOUtils.toString(tagInputStream, "UTF-8");
Map<String, String> tabbedTagsetFromFile = ImportUtil
    .getTagSetFromFile(text);

ImportUtil.setLayer(annotationService, layer, aExLayer, project, aUser);
ImportUtil.setLayer(annotationService, layer, aExLayer, project, aUser);
    && annotationService.existsTagSet(exTagset.getName(), project)) {
  tagSet = annotationService.getTagSet(exTagset.getName(), project);
  ImportUtil.createTagSet(tagSet, exTagset, project, aUser, annotationService);
  ImportUtil.createTagSet(tagSet, exTagset, project, aUser, annotationService);
      layer);
  feature.setTagset(tagSet);
  ImportUtil.setFeature(annotationService, feature, exfeature, project, aUser);
  continue;
feature.setLayer(layer);
feature.setTagset(tagSet);
ImportUtil.setFeature(annotationService, feature, exfeature, project, aUser);

String text = IOUtils.toString(tagInputStream, "UTF-8");
Map<String, String> tabbedTagsetFromFile = ImportUtil
    .getTagSetFromFile(text);

if (!ImportUtil.isZipValidWebanno(tempFile)) {
  throw new UnsupportedFormatException("Incompatible to webanno ZIP file");

private IResourceStream exportLayerJson()
{
  try {
    AnnotationLayer layer = getModelObject();
    List<ExportedAnnotationLayer> exLayers = new ArrayList<>();
    ExportedAnnotationLayer exMainLayer = ImportUtil.exportLayerDetails(null, null,
        layer, annotationService);
    exLayers.add(exMainLayer);
    // If the layer is attached to another layer, then we also have to export
    // that, otherwise we would be missing it during re-import.
    if (layer.getAttachType() != null) {
      AnnotationLayer attachLayer = layer.getAttachType();
      ExportedAnnotationLayer exAttachLayer = ImportUtil.exportLayerDetails(null,
          null, attachLayer, annotationService);
      exMainLayer.setAttachType(
          new ExportedAnnotationLayerReference(exAttachLayer.getName()));
      exLayers.add(exAttachLayer);
    }
    return new InputStreamResourceStream(new ByteArrayInputStream(
        JSONUtil.toPrettyJsonString(exLayers).getBytes("UTF-8")));
  }
  catch (Exception e) {
    error("Unable to generate the JSON file: " + ExceptionUtils.getRootCauseMessage(e));
    ProjectLayersPanel.LOG.error("Unable to generate the JSON file", e);
    RequestCycle.get().find(IPartialPageRequestHandler.class)
        .ifPresent(handler -> handler.addChildren(getPage(), IFeedback.class));
    return null;
  }
}

if (!ImportUtil.isZipValidWebanno(tempFile)) {
  throw new UnsupportedFormatException("Incompatible to webanno ZIP file");

if (!ImportUtil.isZipValidWebanno(tempFile)) {
  throw new IOException("ZIP file is not a valid project archive");

if (!ImportUtil.isZipValidWebanno(tempFile)) {
  throw new IOException("ZIP file is not a WebAnno project archive");

if (!ImportUtil.isZipValidWebanno(tempFile)) {
  throw new IOException("ZIP file is not a WebAnno project archive");