Examples with ReferenceToFeatureCollectionConverter org.geotoolkit.wps.converters.inputs.references.ReferenceToFeatureCollectionConverter used on opensource projects

Example 1 with ReferenceToFeatureCollectionConverter

use of org.geotoolkit.wps.converters.inputs.references.ReferenceToFeatureCollectionConverter in project geotoolkit by Geomatys.

the class AbstractComplexInputConverter method fromXml.

private static Stream<FeatureSet> fromXml(final Data source) {
    final XmlFeatureReader fcollReader;
    try {
        fcollReader = WPSIO.getFeatureReader(source.getSchema());
    } catch (MalformedURLException ex) {
        throw new UnconvertibleObjectException("Unable to reach the schema url.", ex);
    }
    List<Object> content = new ArrayList<>();
    // extract feature nodes from gml unmarshalled feature collection
    for (Object o : source.getContent()) {
        if (o instanceof JAXBElement) {
            o = ((JAXBElement) o).getValue();
        }
        if (o instanceof FeatureCollection) {
            FeatureCollection fc = (FeatureCollection) o;
            for (FeatureProperty fp : fc.getFeatureMember()) {
                if (fp.getUnknowFeature() != null) {
                    content.add(fp.getUnknowFeature());
                } else {
                    throw new UnconvertibleObjectException("Unabel to read feature from XML.");
                }
            }
        } else {
            content.add(o);
        }
    }
    final Stream<FeatureSet> result = content.stream().map(in -> {
        try {
            return fcollReader.read(in);
        } catch (XMLStreamException | IOException ex) {
            throw new UnconvertibleObjectException("Unable to read feature from nodes.", ex);
        }
    }).map(ReferenceToFeatureCollectionConverter::castOrWrap);
    return result.onClose(() -> fcollReader.dispose());
}