Examples with FlagEncoderFactory com.graphhopper.routing.util.FlagEncoderFactory used on opensource projects

Example 1 with FlagEncoderFactory

use of com.graphhopper.routing.util.FlagEncoderFactory in project graphhopper by graphhopper.

the class SpatialRuleLookupHelper method buildAndInjectSpatialRuleIntoGH.

public static void buildAndInjectSpatialRuleIntoGH(GraphHopper graphHopper, CmdArgs args) {
    String spatialRuleLocation = args.get("spatial_rules.location", "");
    if (!spatialRuleLocation.isEmpty()) {
        try {
            final BBox maxBounds = BBox.parseBBoxString(args.get("spatial_rules.max_bbox", "-180, 180, -90, 90"));
            final InputStreamReader reader = new InputStreamReader(new FileInputStream(spatialRuleLocation), UTF_CS);
            final SpatialRuleLookup index = SpatialRuleLookupBuilder.buildIndex(new GHJsonFactory().create().fromJson(reader, JsonFeatureCollection.class), "ISO_A3", new CountriesSpatialRuleFactory(), .1, maxBounds);
            logger.info("Set spatial rule lookup with " + index.size() + " rules");
            final FlagEncoderFactory oldFEF = graphHopper.getFlagEncoderFactory();
            graphHopper.setFlagEncoderFactory(new FlagEncoderFactory() {

                @Override
                public FlagEncoder createFlagEncoder(String name, PMap configuration) {
                    if (name.equals(GENERIC)) {
                        return new DataFlagEncoder(configuration).setSpatialRuleLookup(index);
                    }
                    return oldFEF.createFlagEncoder(name, configuration);
                }
            });
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
    }
}