Examples with Vertx io.vertx.rxjava.core.Vertx used on opensource projects

Example 11 with Vertx

use of io.vertx.rxjava.core.Vertx in project georocket by georocket.

the class ImportCommand method importFile.

/**
 * Upload a file to GeoRocket
 * @param path path to file to import
 * @param client the GeoRocket client
 * @param vertx the Vert.x instance
 * @return an observable that will emit when the file has been uploaded
 */
protected Observable<Void> importFile(String path, GeoRocketClient client, Vertx vertx) {
    // open file
    FileSystem fs = vertx.fileSystem();
    OpenOptions openOptions = new OpenOptions().setCreate(false).setWrite(false);
    return fs.rxOpen(path, openOptions).flatMap(f -> fs.rxProps(path).map(props -> Pair.of(f, props.size()))).flatMapObservable(f -> {
        ObservableFuture<Void> o = RxHelper.observableFuture();
        Handler<AsyncResult<Void>> handler = o.toHandler();
        AsyncFile file = f.getLeft().getDelegate();
        WriteStream<Buffer> out = client.getStore().startImport(layer, tags, properties, Optional.of(f.getRight()), fallbackCRS, handler);
        AtomicBoolean fileClosed = new AtomicBoolean();
        Pump pump = Pump.pump(file, out);
        file.endHandler(v -> {
            file.close();
            out.end();
            fileClosed.set(true);
        });
        Handler<Throwable> exceptionHandler = t -> {
            if (!fileClosed.get()) {
                file.endHandler(null);
                file.close();
            }
            handler.handle(Future.failedFuture(t));
        };
        file.exceptionHandler(exceptionHandler);
        out.exceptionHandler(exceptionHandler);
        pump.start();
        return o;
    });
}