Examples with Window io.georocket.util.Window used on opensource projects

Example 1 with Window

use of io.georocket.util.Window in project georocket by georocket.

the class ImporterVerticle method importJSON.

/**
 * Imports a JSON file from the given input stream into the store
 * @param f the JSON file to read
 * @param correlationId a unique identifier for this import process
 * @param filename the name of the file currently being imported
 * @param timestamp denotes when the import process has started
 * @param layer the layer where the file should be stored (may be null)
 * @param tags the list of tags to attach to the file (may be null)
 * @param properties the map of properties to attach to the file (may be null)
 * @return a single that will emit when the file has been imported
 */
protected Single<Integer> importJSON(ReadStream<Buffer> f, String correlationId, String filename, long timestamp, String layer, List<String> tags, Map<String, Object> properties) {
    UTF8BomFilter bomFilter = new UTF8BomFilter();
    StringWindow window = new StringWindow();
    GeoJsonSplitter splitter = new GeoJsonSplitter(window);
    AtomicInteger processing = new AtomicInteger(0);
    return f.toObservable().map(buf -> (io.vertx.core.buffer.Buffer) buf.getDelegate()).map(bomFilter::filter).doOnNext(window::append).lift(new JsonParserOperator()).flatMap(splitter::onEventObservable).flatMapSingle(result -> {
        IndexMeta indexMeta = new IndexMeta(correlationId, filename, timestamp, tags, properties, null);
        return addToStoreWithPause(result, layer, indexMeta, f, processing);
    }).count().toSingle();
}

Example 2 with Window

use of io.georocket.util.Window in project georocket by georocket.

the class ImporterVerticle method importXML.

/**
 * Imports an XML file from the given input stream into the store
 * @param f the XML file to read
 * @param correlationId a unique identifier for this import process
 * @param filename the name of the file currently being imported
 * @param timestamp denotes when the import process has started
 * @param layer the layer where the file should be stored (may be null)
 * @param tags the list of tags to attach to the file (may be null)
 * @param properties the map of properties to attach to the file (may be null)
 * @param fallbackCRSString the CRS which should be used if the imported
 * file does not specify one (may be <code>null</code>)
 * @return a single that will emit when the file has been imported
 */
protected Single<Integer> importXML(ReadStream<Buffer> f, String correlationId, String filename, long timestamp, String layer, List<String> tags, Map<String, Object> properties, String fallbackCRSString) {
    UTF8BomFilter bomFilter = new UTF8BomFilter();
    Window window = new Window();
    XMLSplitter splitter = new FirstLevelSplitter(window);
    AtomicInteger processing = new AtomicInteger(0);
    XMLCRSIndexer crsIndexer = new XMLCRSIndexer();
    return f.toObservable().map(buf -> (io.vertx.core.buffer.Buffer) buf.getDelegate()).map(bomFilter::filter).doOnNext(window::append).lift(new XMLParserOperator()).doOnNext(e -> {
        // save the first CRS found in the file
        if (crsIndexer.getCRS() == null) {
            crsIndexer.onEvent(e);
        }
    }).flatMap(splitter::onEventObservable).flatMapSingle(result -> {
        String crsString = fallbackCRSString;
        if (crsIndexer.getCRS() != null) {
            crsString = crsIndexer.getCRS();
        }
        IndexMeta indexMeta = new IndexMeta(correlationId, filename, timestamp, tags, properties, crsString);
        return addToStoreWithPause(result, layer, indexMeta, f, processing);
    }).count().toSingle();
}

Example 3 with Window

use of io.georocket.util.Window in project georocket by georocket.

the class FirstLevelSplitterTest method split.

/**
 * Use the {@link FirstLevelSplitter} and split an XML string
 * @param xml the XML string
 * @return the chunks created by the splitter
 * @throws Exception if the XML string could not be parsed
 */
private List<Result<XMLChunkMeta>> split(String xml) throws Exception {
    Window window = new Window();
    window.append(Buffer.buffer(xml));
    AsyncXMLInputFactory xmlInputFactory = new InputFactoryImpl();
    AsyncXMLStreamReader<AsyncByteArrayFeeder> reader = xmlInputFactory.createAsyncForByteArray();
    byte[] xmlBytes = xml.getBytes(StandardCharsets.UTF_8);
    reader.getInputFeeder().feedInput(xmlBytes, 0, xmlBytes.length);
    FirstLevelSplitter splitter = new FirstLevelSplitter(window);
    List<Result<XMLChunkMeta>> chunks = new ArrayList<>();
    while (reader.hasNext()) {
        int event = reader.next();
        if (event == AsyncXMLStreamReader.EVENT_INCOMPLETE) {
            reader.close();
            continue;
        }
        int pos = reader.getLocation().getCharacterOffset();
        Result<XMLChunkMeta> chunk = splitter.onEvent(new XMLStreamEvent(event, pos, reader));
        if (chunk != null) {
            chunks.add(chunk);
        }
    }
    return chunks;
}