Examples with GeopackageFeatureCollection eu.esdihumboldt.hale.io.geopackage.internal.GeopackageFeatureCollection used on opensource projects

Example 1 with GeopackageFeatureCollection

use of eu.esdihumboldt.hale.io.geopackage.internal.GeopackageFeatureCollection in project hale by halestudio.

the class GeopackageInstanceReader method execute.

@Override
protected IOReport execute(ProgressIndicator progress, IOReporter reporter) throws IOProviderConfigurationException, IOException {
    progress.begin("Inspecting GeoPackage", ProgressIndicator.UNKNOWN);
    try {
        Map<String, String> queryFilters = new HashMap<>();
        String queryFiltersParam = getParameter(PARAM_QUERY_FILTER).as(String.class, null);
        if (StringUtils.hasText(queryFiltersParam)) {
            Set<String> queryFiltersByTable = new HashSet<>(Arrays.asList(StringUtils.delimitedListToStringArray(queryFiltersParam, "||")));
            for (String queryFilterRaw : queryFiltersByTable) {
                String[] rawSplit = StringUtils.split(queryFilterRaw, "|");
                if (rawSplit.length == 2) {
                    queryFilters.put(rawSplit[0].toUpperCase(), rawSplit[1]);
                }
            }
        }
        URI loc = getSource().getLocation();
        File file;
        try {
            file = new File(loc);
        } catch (Exception e) {
            throw new IllegalArgumentException("Only files are supported as data source", e);
        }
        GeoPackage gpkg = GeoPackageManager.open(file, true);
        Map<TypeDefinition, InstanceCollection> collections = new HashMap<>();
        // try to load each feature table
        for (String table : gpkg.getFeatureTables()) {
            TypeDefinition type = findType(table);
            if (type == null) {
                reporter.warn("For feature table {0} no matching schema type could be identified", table);
            } else {
                FeatureDao features = gpkg.getFeatureDao(table);
                String where = null;
                if (queryFilters.containsKey(table.toUpperCase())) {
                    where = queryFilters.get(table.toUpperCase());
                }
                collections.put(type, new GeopackageFeatureCollection(features, type, where));
            }
        }
        // try to load each attribute table
        for (String table : gpkg.getAttributesTables()) {
            TypeDefinition type = findType(table);
            if (type == null) {
                reporter.warn("For attribute table {0} no matching schema type could be identified", table);
            } else {
                AttributesDao attributes = gpkg.getAttributesDao(table);
                collections.put(type, new GeopackageFeatureCollection(attributes, type));
            }
        }
        collection = new PerTypeInstanceCollection(collections);
        reporter.setSuccess(true);
    } catch (Exception e) {
        reporter.error(new IOMessageImpl("Error configuring database connection", e));
        reporter.setSuccess(false);
    } finally {
        progress.end();
    }
    return reporter;
}