}
public Urlable getChild(UriPathElement uriId) throws HttpException {
Map<Long, BillImport> batchImports = imports.get(batch.getId());
if (batchImports == null) {
throw new NotFoundException();
}
BillImport billImport = batchImports.get(Long.parseLong(uriId
.toString()));
if (billImport == null) {
throw new NotFoundException();
}
return billImport;
}