How to use

formatForPrefix

method

in

com.lyncode.xoai.dataprovider.model.Context

private List<ScopedFilter> getScopedFilters(Context context, String metadataPrefix) throws CannotDisseminateFormatException {
  List<ScopedFilter> filters = new ArrayList<ScopedFilter>();
  if (context.hasCondition())
    filters.add(new ScopedFilter(context.getCondition(), Scope.Context));
  MetadataFormat metadataFormat = context.formatForPrefix(metadataPrefix);
  if (metadataFormat.hasCondition())
    filters.add(new ScopedFilter(metadataFormat.getCondition(), Scope.MetadataFormat));
  return filters;
}

@Override
public GetRecord handle(OAICompiledRequest parameters) throws OAIException, HandlerException {        
  MetadataFormat format = getContext().formatForPrefix(parameters.getMetadataPrefix());
  Item item = getRepository().getItemRepository().getItem(parameters.getIdentifier());
  if (getContext().hasCondition() &&
      !getContext().getCondition().getFilter(getRepository().getFilterResolver()).isItemShown(item))
    throw new IdDoesNotExistException("This context does not include this item");
  if (format.hasCondition() &&
      !format.getCondition().getFilter(getRepository().getFilterResolver()).isItemShown(item))
    throw new CannotDisseminateRecordException("Format not applicable to this item");
  
  Xrecord record = this.createRecord(parameters, item);
  GetRecord result = new XgetRecord(record);
  
  return result;
}

private Xrecord createRecord(OAICompiledRequest parameters, Item item)
    throws BadArgumentException, CannotDisseminateRecordException,
    OAIException, NoMetadataFormatsException, CannotDisseminateFormatException {
  MetadataFormat format = getContext().formatForPrefix(parameters.getMetadataPrefix());
  Header header = new Header();
  
  Dataset dataset = ((Xitem)item).getDataset();
  Xrecord xrecord = new Xrecord().withFormatName(parameters.getMetadataPrefix()).withDataset(dataset);
  header.withIdentifier(item.getIdentifier());
  ItemHelper itemHelperWrap = new ItemHelper(item);
  header.withDatestamp(item.getDatestamp());
  for (Set set : itemHelperWrap.getSets(getContext(), getRepository().getFilterResolver()))
    header.withSetSpec(set.getSpec());
  if (item.isDeleted())
    header.withStatus(Header.Status.DELETED);
  xrecord.withHeader(header);
  xrecord.withMetadata(item.getMetadata());
  
  return xrecord;
}

private Record createRecord(OAICompiledRequest parameters, Item item)
    throws BadArgumentException, CannotDisseminateRecordException,
    OAIException, NoMetadataFormatsException, CannotDisseminateFormatException {
  MetadataFormat format = getContext().formatForPrefix(parameters.getMetadataPrefix());
  Header header = new Header();
  
  Dataset dataset = ((Xitem)item).getDataset();
  Xrecord xrecord = new Xrecord().withFormatName(parameters.getMetadataPrefix()).withDataset(dataset);
  header.withIdentifier(item.getIdentifier());
  ItemHelper itemHelperWrap = new ItemHelper(item);
  header.withDatestamp(item.getDatestamp());
  for (Set set : itemHelperWrap.getSets(getContext(), getRepository().getFilterResolver()))
    header.withSetSpec(set.getSpec());
  if (item.isDeleted())
    header.withStatus(Header.Status.DELETED);
  xrecord.withHeader(header);
  xrecord.withMetadata(item.getMetadata());
  
  return xrecord;
}

private Header createHeader(OAICompiledRequest parameters,
                ItemIdentifier itemIdentifier) throws BadArgumentException,
    OAIException,
    NoMetadataFormatsException {
  MetadataFormat format = getContext().formatForPrefix(parameters
      .getMetadataPrefix());
  if (!itemIdentifier.isDeleted() && !canDisseminate(itemIdentifier, format))
    throw new InternalOAIException("The item repository is currently providing items which cannot be disseminated with format "+format.getPrefix());
  Header header = new Header();
  header.withDatestamp(itemIdentifier.getDatestamp());
  header.withIdentifier(itemIdentifier.getIdentifier());
  if (itemIdentifier.isDeleted())
    header.withStatus(Header.Status.DELETED);
  for (Set set : getContext().getSets())
    if (set.getCondition().getFilter(getRepository().getFilterResolver()).isItemShown(itemIdentifier))
      header.withSetSpec(set.getSpec());
  for (Set set : itemIdentifier.getSets())
    header.withSetSpec(set.getSpec());
  return header;
}

private Record createRecord(OAICompiledRequest parameters, Item item)
    throws BadArgumentException, CannotDisseminateRecordException,
    OAIException, NoMetadataFormatsException, CannotDisseminateFormatException {
  MetadataFormat format = getContext().formatForPrefix(parameters.getMetadataPrefix());
  Header header = new Header();
  Record record = new Record().withHeader(header);

GetRecord result = new GetRecord(record);
MetadataFormat format = getContext().formatForPrefix(parameters.getMetadataPrefix());
Item item = getRepository().getItemRepository().getItem(parameters.getIdentifier());