Examples with Publisher java.util.concurrent.Flow.Publisher used on opensource projects

Example 1 with Publisher

use of java.util.concurrent.Flow.Publisher in project julian-http-client by ljtfreitas.

the class DefaultHTTPClientResponse method valueOf.

static DefaultHTTPClientResponse valueOf(HttpResponse<Publisher<List<ByteBuffer>>> response) {
    HTTPStatus status = HTTPStatusCode.select(response.statusCode()).map(HTTPStatus::new).orElseGet(() -> HTTPStatus.valueOf(response.statusCode()));
    HTTPHeaders headers = response.headers().map().entrySet().stream().map(e -> HTTPHeader.create(e.getKey(), e.getValue())).reduce(HTTPHeaders.empty(), HTTPHeaders::join, (a, b) -> b);
    HTTPResponseBody body = HTTPResponseBody.optional(status, headers, () -> HTTPResponseBody.lazy(response.body()));
    return new DefaultHTTPClientResponse(status, headers, body);
}

Example 2 with Publisher

use of java.util.concurrent.Flow.Publisher in project helidon by oracle.

the class ReadableByteChannelPublisherTest method negativeDelay.

@Test
void negativeDelay() throws Exception {
    PeriodicalChannel pc = createChannelWithNoAvailableData(10, 1);
    RetrySchema schema = (i, delay) -> i >= 3 ? -10 : 0;
    ReadableByteChannelPublisher publisher = new ReadableByteChannelPublisher(pc, schema);
    // assert
    try {
        ContentReaders.readBytes(publisher).get(5, TimeUnit.SECONDS);
        fail("Did not throw expected ExecutionException!");
    } catch (ExecutionException e) {
        assertThat(e.getCause(), instanceOf(TimeoutException.class));
    }
}

Example 3 with Publisher

use of java.util.concurrent.Flow.Publisher in project helidon by oracle.

the class BodyPartBodyStreamReader method read.

@Override
@SuppressWarnings("unchecked")
public <U extends ReadableBodyPart> Publisher<U> read(Publisher<DataChunk> publisher, GenericType<U> type, MessageBodyReaderContext context) {
    String boundary = null;
    MediaType contentType = context.contentType().orElse(null);
    if (contentType != null) {
        boundary = contentType.parameters().get("boundary");
    }
    if (boundary == null) {
        throw new IllegalStateException("boudary header is missing");
    }
    MultiPartDecoder decoder = MultiPartDecoder.create(boundary, context);
    publisher.subscribe(decoder);
    return (Publisher<U>) decoder;
}

Example 4 with Publisher

use of java.util.concurrent.Flow.Publisher in project helidon by oracle.

the class JsonpBodyStreamWriter method write.

@Override
public Multi<DataChunk> write(Publisher<? extends JsonStructure> publisher, GenericType<? extends JsonStructure> type, MessageBodyWriterContext context) {
    MediaType contentType = context.findAccepted(MediaType.JSON_PREDICATE, MediaType.APPLICATION_JSON);
    context.contentType(contentType);
    // we do not have join operator
    AtomicBoolean first = new AtomicBoolean(true);
    JsonStructureToChunks jsonToChunks = new JsonStructureToChunks(true, jsonWriterFactory, context.charset());
    return Multi.create(publisher).map(jsonToChunks).flatMap(it -> {
        if (first.getAndSet(false)) {
            // first record, do not prepend a comma
            return Multi.just(DataChunk.create(ARRAY_JSON_BEGIN_BYTES), it);
        } else {
            // any subsequent record starts with a comma
            return Multi.just(DataChunk.create(COMMA_BYTES), it);
        }
    }).onCompleteResume(DataChunk.create(ARRAY_JSON_END_BYTES));
}