Examples with FeaturesCoreProviders de.ii.ogcapi.features.core.domain.FeaturesCoreProviders used on opensource projects

Example 1 with FeaturesCoreProviders

use of de.ii.ogcapi.features.core.domain.FeaturesCoreProviders in project ldproxy by interactive-instruments.

the class TilesHelper method buildTileSet.

// TODO: move to TileSet as static of()
/**
 * generate the tile set metadata according to the OGC Tile Matrix Set standard (version 2.0.0, draft from June 2021)
 * @param api the API
 * @param tileMatrixSet the tile matrix set
 * @param zoomLevels the range of zoom levels
 * @param center the center point
 * @param collectionId the collection, empty = all collections in the dataset
 * @param dataType vector, map or coverage
 * @param links links to include in the object
 * @param uriCustomizer optional URI of the resource
 * @param limitsGenerator helper to generate the limits for each zoom level based on the bbox of the data
 * @param providers helper to access feature providers
 * @return the tile set metadata
 */
public static TileSet buildTileSet(OgcApi api, TileMatrixSet tileMatrixSet, MinMax zoomLevels, List<Double> center, Optional<String> collectionId, TileSet.DataType dataType, List<Link> links, Optional<URICustomizer> uriCustomizer, CrsTransformerFactory crsTransformerFactory, TileMatrixSetLimitsGenerator limitsGenerator, FeaturesCoreProviders providers, EntityRegistry entityRegistry) {
    OgcApiDataV2 apiData = api.getData();
    Builder builder = ImmutableTileSet.builder().dataType(dataType);
    builder.tileMatrixSetId(tileMatrixSet.getId());
    if (tileMatrixSet.getURI().isPresent())
        builder.tileMatrixSetURI(tileMatrixSet.getURI().get().toString());
    else
        builder.tileMatrixSet(tileMatrixSet.getTileMatrixSetData());
    uriCustomizer.ifPresent(uriCustomizer1 -> builder.tileMatrixSetDefinition(uriCustomizer1.removeLastPathSegments(collectionId.isPresent() ? 3 : 1).clearParameters().ensureLastPathSegments("tileMatrixSets", tileMatrixSet.getId()).toString()));
    if (Objects.isNull(zoomLevels))
        builder.tileMatrixSetLimits(ImmutableList.of());
    else
        builder.tileMatrixSetLimits(collectionId.isPresent() ? limitsGenerator.getCollectionTileMatrixSetLimits(api, collectionId.get(), tileMatrixSet, zoomLevels) : limitsGenerator.getTileMatrixSetLimits(api, tileMatrixSet, zoomLevels));
    try {
        BoundingBox boundingBox = api.getSpatialExtent(collectionId).orElse(tileMatrixSet.getBoundingBoxCrs84(crsTransformerFactory));
        builder.boundingBox(ImmutableTilesBoundingBox.builder().lowerLeft(BigDecimal.valueOf(boundingBox.getXmin()).setScale(7, RoundingMode.HALF_UP), BigDecimal.valueOf(boundingBox.getYmin()).setScale(7, RoundingMode.HALF_UP)).upperRight(BigDecimal.valueOf(boundingBox.getXmax()).setScale(7, RoundingMode.HALF_UP), BigDecimal.valueOf(boundingBox.getYmax()).setScale(7, RoundingMode.HALF_UP)).crs(OgcCrs.CRS84.toUriString()).build());
    } catch (CrsTransformationException e) {
    // ignore, just skip the boundingBox
    }
    if ((Objects.nonNull(zoomLevels) && zoomLevels.getDefault().isPresent()) || !center.isEmpty()) {
        ImmutableTilePoint.Builder builder2 = new ImmutableTilePoint.Builder();
        if (Objects.nonNull(zoomLevels))
            zoomLevels.getDefault().ifPresent(def -> builder2.tileMatrix(String.valueOf(def)));
        if (!center.isEmpty())
            builder2.coordinates(center);
        builder.centerPoint(builder2.build());
    }
    // prepare a map with the JSON schemas of the feature collections used in the style
    JsonSchemaCache schemas = new SchemaCacheTileSet(() -> entityRegistry.getEntitiesForType(Codelist.class));
    Map<String, JsonSchemaDocument> schemaMap = collectionId.isPresent() ? apiData.getCollectionData(collectionId.get()).filter(collectionData -> {
        Optional<TilesConfiguration> config = collectionData.getExtension(TilesConfiguration.class);
        return collectionData.getEnabled() && config.isPresent() && config.get().isEnabled();
    }).map(collectionData -> {
        Optional<FeatureSchema> schema = providers.getFeatureSchema(apiData, collectionData);
        if (schema.isPresent())
            return ImmutableMap.of(collectionId.get(), schemas.getSchema(schema.get(), apiData, collectionData, Optional.empty()));
        return null;
    }).filter(Objects::nonNull).orElse(ImmutableMap.of()) : apiData.getCollections().entrySet().stream().filter(entry -> {
        Optional<TilesConfiguration> config = entry.getValue().getExtension(TilesConfiguration.class);
        return entry.getValue().getEnabled() && config.isPresent() && config.get().isMultiCollectionEnabled();
    }).map(entry -> {
        Optional<FeatureSchema> schema = providers.getFeatureSchema(apiData, entry.getValue());
        if (schema.isPresent())
            return new AbstractMap.SimpleImmutableEntry<>(entry.getKey(), schemas.getSchema(schema.get(), apiData, entry.getValue(), Optional.empty()));
        return null;
    }).filter(Objects::nonNull).collect(ImmutableMap.toImmutableMap(Map.Entry::getKey, Map.Entry::getValue));
    // TODO: replace with SchemaDeriverTileLayers
    schemaMap.entrySet().stream().forEach(entry -> {
        String collectionId2 = entry.getKey();
        FeatureTypeConfigurationOgcApi collectionData = apiData.getCollections().get(collectionId2);
        JsonSchemaDocument schema = entry.getValue();
        ImmutableTileLayer.Builder builder2 = ImmutableTileLayer.builder().id(collectionId2).title(collectionData.getLabel()).description(collectionData.getDescription()).dataType(dataType);
        collectionData.getExtension(TilesConfiguration.class).map(config -> config.getZoomLevelsDerived().get(tileMatrixSet.getId())).ifPresent(minmax -> builder2.minTileMatrix(String.valueOf(minmax.getMin())).maxTileMatrix(String.valueOf(minmax.getMax())));
        final JsonSchema geometry = schema.getProperties().get("geometry");
        if (Objects.nonNull(geometry)) {
            String geomAsString = geometry.toString();
            boolean point = geomAsString.contains("GeoJSON Point") || geomAsString.contains("GeoJSON MultiPoint");
            boolean line = geomAsString.contains("GeoJSON LineString") || geomAsString.contains("GeoJSON MultiLineString");
            boolean polygon = geomAsString.contains("GeoJSON Polygon") || geomAsString.contains("GeoJSON MultiPolygon");
            if (point && !line && !polygon)
                builder2.geometryType(TileLayer.GeometryType.points);
            else if (!point && line && !polygon)
                builder2.geometryType(TileLayer.GeometryType.lines);
            else if (!point && !line && polygon)
                builder2.geometryType(TileLayer.GeometryType.polygons);
        }
        final JsonSchemaObject properties = (JsonSchemaObject) schema.getProperties().get("properties");
        builder2.propertiesSchema(ImmutableJsonSchemaObject.builder().required(properties.getRequired()).properties(properties.getProperties()).patternProperties(properties.getPatternProperties()).build());
        builder.addLayers(builder2.build());
    });
    builder.links(links);
    return builder.build();
}

Example 2 with FeaturesCoreProviders

use of de.ii.ogcapi.features.core.domain.FeaturesCoreProviders in project ldproxy by interactive-instruments.

the class MbStyleStylesheet method getLayerMetadata.

// TODO: replace with SchemaDeriverStyleLayer
@JsonIgnore
public List<StyleLayer> getLayerMetadata(OgcApiDataV2 apiData, FeaturesCoreProviders providers, EntityRegistry entityRegistry) {
    // prepare a map with the JSON schemas of the feature collections used in the style
    JsonSchemaCache schemas = new SchemaCacheStyleLayer(() -> entityRegistry.getEntitiesForType(Codelist.class));
    Map<String, JsonSchemaObject> schemaMap = getLayers().stream().filter(layer -> layer.getSource().isPresent() && layer.getSource().get().equals(apiData.getId())).map(layer -> layer.getSourceLayer()).filter(Optional::isPresent).map(Optional::get).distinct().filter(sourceLayer -> apiData.getCollections().containsKey(sourceLayer)).map(collectionId -> {
        Optional<FeatureSchema> schema = providers.getFeatureSchema(apiData, apiData.getCollections().get(collectionId));
        if (schema.isEmpty())
            return null;
        return new AbstractMap.SimpleImmutableEntry<>(collectionId, schemas.getSchema(schema.get(), apiData, apiData.getCollections().get(collectionId), Optional.empty()));
    }).filter(Objects::nonNull).collect(ImmutableMap.toImmutableMap(Map.Entry::getKey, Map.Entry::getValue));
    return getLayers().stream().map(layer -> {
        ImmutableStyleLayer.Builder builder = ImmutableStyleLayer.builder().id(layer.getId());
        Map<String, Object> md = layer.getMetadata();
        if (md.containsKey("description"))
            builder.description(md.get("description").toString());
        Optional<String> apiId = layer.getSource();
        Optional<String> collectionId = layer.getSourceLayer();
        final boolean knownSource = apiId.isPresent() && apiId.get().equals(apiData.getId()) && collectionId.isPresent() && schemaMap.containsKey(collectionId.get());
        final JsonSchema geometry = knownSource ? schemaMap.get(collectionId.get()).getProperties().get("geometry") : null;
        final JsonSchemaObject properties = knownSource ? (JsonSchemaObject) schemaMap.get(collectionId.get()).getProperties().get("properties") : null;
        ImmutableSet.Builder<String> attNamesBuilder = ImmutableSet.builder();
        attNamesBuilder.addAll(getAttributes(layer.getFilter()));
        layer.getLayout().values().forEach(value -> attNamesBuilder.addAll(getAttributes(value)));
        layer.getPaint().values().forEach(value -> attNamesBuilder.addAll(getAttributes(value)));
        Set<String> attNames = attNamesBuilder.build();
        builder.attributes(attNames.stream().sorted().map(attName -> {
            if (Objects.nonNull(properties)) {
                if (properties.getProperties().containsKey(attName))
                    return new AbstractMap.SimpleImmutableEntry<>(attName, properties.getProperties().get(attName));
                return properties.getPatternProperties().entrySet().stream().filter(entry -> attName.matches(entry.getKey())).map(entry -> new AbstractMap.SimpleImmutableEntry<>(attName, entry.getValue())).findAny().orElse(null);
            }
            return null;
        }).filter(Objects::nonNull).collect(ImmutableMap.toImmutableMap(Map.Entry::getKey, Map.Entry::getValue)));
        if (Objects.nonNull(geometry)) {
            String geomAsString = geometry.toString();
            boolean point = geomAsString.contains("GeoJSON Point") || geomAsString.contains("GeoJSON MultiPoint");
            boolean line = geomAsString.contains("GeoJSON LineString") || geomAsString.contains("GeoJSON MultiLineString");
            boolean polygon = geomAsString.contains("GeoJSON Polygon") || geomAsString.contains("GeoJSON MultiPolygon");
            if (point && !line && !polygon)
                builder.type("point");
            else if (!point && line && !polygon)
                builder.type("line");
            else if (!point && !line && polygon)
                builder.type("polygon");
            else
                builder.type("geometry");
        } else if (layer.getType().matches("fill|line|symbol|fill\\-extrusion")) {
            builder.type("geometry");
        } else if (layer.getType().equals("circle")) {
            builder.type("point");
        } else if (layer.getType().equals("raster")) {
            builder.type("raster");
        }
        if (knownSource) {
            builder.sampleData(new ImmutableLink.Builder().rel("start").title("").href(String.format("{serviceUrl}/collections/%s/items", collectionId.get())).templated(true).build());
        }
        return builder.build();
    }).collect(Collectors.toUnmodifiableList());
}