Ckan

see Ckan homepage, documentation and github

maven

<dependency>
  <groupId>net.anwiba.spatial</groupId>
  <artifactId>anwiba-spatial-data-ckan</artifactId>
  <version>1.0.126</version>
</dependency>

usage

` ICanceler canceler = ICanceler.DummyCanceler; IResultProducer responseProducer = ( cancelable, statusCode, statusMessage, contentType, contentEncoding, inputStream) -> new CkanJsonResponseUnmarshallerFactory().create(PackageSearchResultResponse.class).unmarshal( inputStream);

 final IObjectRequestExecutorBuilder<PackageSearchResultResponse> builder = new ObjectRequestExecutorBuilderFactory()
     .create();
 try (final IObjectRequestExecutor<PackageSearchResultResponse> requestExecutor = builder
     .setResultProducer(responseProducer)
     .build();) {
   final PackageSearchResultResponse response = requestExecutor.execute(
       canceler, //
       PackageRequestBuilder.search("http://www.europeandataportal.eu/data/en/api")
           .query("water")
           .resourceFormat("geojson")
           .resourceFormat("GEOJSON")
           .resourceFormat("GeoJSON")
           .start(20)
           .rows(10)
           .build());
   final List<ILayerResourceDescription> result = new LinkedList<>();
   if (!response.isSuccess()) {
     throw new IOException(response.getError().getMessage());
   }
   final PackageSearchResult packageSearchResult = response.getResult();
   final Dataset[] results = packageSearchResult.getResults();

`

---