Examples with StreamException com.baremaps.stream.StreamException used on opensource projects

Example 1 with StreamException

use of com.baremaps.stream.StreamException in project baremaps by baremaps.

the class CreateGeometryConsumer method createLine.

private LineString createLine(Member member) {
    try {
        List<Long> refs = this.references.get(member.getRef());
        List<Coordinate> coords = refs.stream().map(coordinates::get).collect(Collectors.toList());
        Coordinate[] array = coords.toArray(new Coordinate[coords.size()]);
        return geometryFactory.createLineString(array);
    } catch (Exception e) {
        throw new StreamException(e);
    }
}

Example 2 with StreamException

use of com.baremaps.stream.StreamException in project baremaps by baremaps.

the class OsmChangeSpliterator method tryAdvance.

@Override
public boolean tryAdvance(Consumer<? super Change> consumer) {
    try {
        if (reader.hasNext()) {
            int event = reader.next();
            switch(event) {
                case START_ELEMENT:
                    if (ELEMENT_NAME_OSMCHANGE.equals(reader.getLocalName())) {
                        return true;
                    }
                    Change entity = readChange();
                    consumer.accept(entity);
                    return true;
                case END_DOCUMENT:
                    return false;
                default:
                    return true;
            }
        } else {
            return false;
        }
    } catch (XMLStreamException e) {
        throw new StreamException(e);
    }
}

Example 3 with StreamException

use of com.baremaps.stream.StreamException in project baremaps by baremaps.

the class Execute method call.

@Override
public Integer call() throws Exception {
    DataSource datasource = PostgresUtils.datasource(database);
    BlobStore blobStore = options.blobStore();
    for (URI file : files) {
        logger.info("Execute {}", file);
        String blob = new String(blobStore.get(file).getInputStream().readAllBytes(), StandardCharsets.UTF_8);
        blob = interpolate(System.getenv(), blob);
        StreamUtils.batch(Splitter.on(";").splitToStream(blob), 1).forEach(query -> {
            try (Connection connection = datasource.getConnection();
                Statement statement = connection.createStatement()) {
                statement.execute(query);
            } catch (SQLException e) {
                throw new StreamException(e);
            }
        });
    }
    logger.info("Done");
    return 0;
}

Example 4 with StreamException

use of com.baremaps.stream.StreamException in project baremaps by baremaps.

the class OsmPbfParser method entities.

/**
 * Creates an ordered stream of entities.
 *
 * @param inputStream an osm pbf {@link InputStream}
 * @return a stream of blocks
 */
public Stream<Entity> entities(InputStream inputStream) {
    return blocks(inputStream).flatMap(block -> {
        try {
            Stream.Builder<Entity> entities = Stream.builder();
            block.visit(new BlockEntityConsumer(entities::add));
            return entities.build();
        } catch (Exception e) {
            throw new StreamException(e);
        }
    });
}

Example 5 with StreamException

use of com.baremaps.stream.StreamException in project baremaps by baremaps.

the class OsmChangeSpliterator method readChange.

private Change readChange() throws XMLStreamException {
    switch(reader.getLocalName()) {
        case ELEMENT_NAME_CREATE:
        case ELEMENT_NAME_DELETE:
        case ELEMENT_NAME_MODIFY:
            ChangeType type = ChangeType.valueOf(reader.getLocalName().toUpperCase());
            List<Entity> elements = new ArrayList<>();
            reader.nextTag();
            while (reader.getEventType() == XMLStreamConstants.START_ELEMENT) {
                elements.add(readElement());
                reader.nextTag();
            }
            return new Change(type, elements);
        default:
            throw new StreamException("Unexpected XML element: " + reader.getLocalName());
    }
}