Examples with MediaType io.helidon.common.http.MediaType used on opensource projects

Example 21 with MediaType

use of io.helidon.common.http.MediaType in project helidon by oracle.

the class FileBasedContentHandler method detectType.

private MediaType detectType(String fileName, RequestHeaders requestHeaders) {
    Objects.requireNonNull(fileName);
    Objects.requireNonNull(requestHeaders);
    // then check the type is accepted by the request
    return findCustomMediaType(fileName).or(() -> MediaTypes.detectType(fileName).map(MediaType::parse)).map(it -> {
        if (requestHeaders.isAccepted(it)) {
            return it;
        }
        throw new HttpException("Media type " + it + " is not accepted by request", Http.Status.UNSUPPORTED_MEDIA_TYPE_415);
    }).orElseGet(() -> {
        List<MediaType> acceptedTypes = requestHeaders.acceptedTypes();
        if (acceptedTypes.isEmpty()) {
            return MediaType.APPLICATION_OCTET_STREAM;
        } else {
            return acceptedTypes.iterator().next();
        }
    });
}

Example 22 with MediaType

use of io.helidon.common.http.MediaType in project helidon by oracle.

the class FormParamsSupport method accept.

@Override
public void accept(ServerRequest req, ServerResponse res) {
    MediaType reqMediaType = req.headers().contentType().orElse(MediaType.TEXT_PLAIN);
    Charset charset = reqMediaType.charset().map(Charset::forName).orElse(StandardCharsets.UTF_8);
    req.content().registerReader(FormParams.class, (chunks, type) -> ContentReaders.readString(chunks, charset).map(s -> FormParams.create(s, reqMediaType)).toStage());
    req.next();
}

Example 23 with MediaType

use of io.helidon.common.http.MediaType in project helidon by oracle.

the class HashRequestHeaders method bestAccepted.

@Override
public Optional<MediaType> bestAccepted(MediaType... mediaTypes) {
    if (mediaTypes == null || mediaTypes.length == 0) {
        return Optional.empty();
    }
    List<MediaType> accepts = acceptedTypes();
    if (accepts == null || accepts.isEmpty()) {
        return Optional.ofNullable(mediaTypes[0]);
    }
    double best = 0;
    MediaType result = null;
    for (MediaType mt : mediaTypes) {
        if (mt != null) {
            for (MediaType acc : accepts) {
                double q = acc.qualityFactor();
                if (q > best && acc.test(mt)) {
                    if (q == 1) {
                        return Optional.of(mt);
                    } else {
                        best = q;
                        result = mt;
                    }
                }
            }
        }
    }
    return Optional.ofNullable(result);
}

Example 24 with MediaType

use of io.helidon.common.http.MediaType in project helidon by oracle.

the class RequestPredicateTest method accepts2.

@Test
public void accepts2() {
    final RoutingChecker checker = new RoutingChecker();
    Routing routing = Routing.builder().get("/accepts2", RequestPredicate.create().accepts(MediaType.TEXT_PLAIN, MediaType.APPLICATION_JSON).thenApply((req, resp) -> {
        checker.handlerInvoked("acceptsMediaType");
    }).otherwise((req, res) -> {
        checker.handlerInvoked("doesNotAcceptMediaType");
    })).build();
    assertThrows(NullPointerException.class, () -> {
        RequestPredicate.create().accepts((MediaType[]) null);
    });
    routing.route(mockRequest("/accepts2", Map.of("Accept", List.of("application/json"))), mockResponse());
    assertThat(checker.handlersInvoked(), is("acceptsMediaType"));
    checker.reset();
    routing.route(mockRequest("/accepts2", Map.of("Accept", List.of("text/plain"))), mockResponse());
    assertThat(checker.handlersInvoked(), is("acceptsMediaType"));
    checker.reset();
    routing.route(mockRequest("/accepts2", Map.of("Accept", List.of("text/plain", "application/xml"))), mockResponse());
    assertThat(checker.handlersInvoked(), is("acceptsMediaType"));
    checker.reset();
    routing.route(mockRequest("/accepts2", Map.of("Accept", List.of())), mockResponse());
    assertThat(checker.handlersInvoked(), is("acceptsMediaType"));
    checker.reset();
    routing.route(mockRequest("/accepts2", Map.of()), mockResponse());
    assertThat(checker.handlersInvoked(), is("acceptsMediaType"));
    checker.reset();
    routing.route(mockRequest("/accepts2", Map.of("Accept", List.of("application/xml"))), mockResponse());
    assertThat(checker.handlersInvoked(), is("doesNotAcceptMediaType"));
}

Example 25 with MediaType

use of io.helidon.common.http.MediaType in project helidon by oracle.

the class RequestPredicateTest method hasContentType2.

@Test
public void hasContentType2() {
    final RoutingChecker checker = new RoutingChecker();
    Routing routing = Routing.builder().get("/contentType2", RequestPredicate.create().hasContentType(MediaType.TEXT_PLAIN, MediaType.APPLICATION_JSON).thenApply((req, resp) -> {
        checker.handlerInvoked("hasContentType");
    }).otherwise((req, res) -> {
        checker.handlerInvoked("doesNotHaveContentType");
    })).build();
    assertThrows(NullPointerException.class, () -> {
        RequestPredicate.create().hasContentType((MediaType[]) null);
    });
    routing.route(mockRequest("/contentType2", Map.of("Content-Type", List.of("text/plain"))), mockResponse());
    assertThat(checker.handlersInvoked(), is("hasContentType"));
    checker.reset();
    routing.route(mockRequest("/contentType2", Map.of("Content-Type", List.of("text/plain"))), mockResponse());
    assertThat(checker.handlersInvoked(), is("hasContentType"));
    checker.reset();
    routing.route(mockRequest("/contentType2", Map.of("Content-Type", List.of("application/json"))), mockResponse());
    assertThat(checker.handlersInvoked(), is("hasContentType"));
    checker.reset();
    routing.route(mockRequest("/contentType2", Map.of("Content-Type", List.of("application/xml"))), mockResponse());
    assertThat(checker.handlersInvoked(), is("doesNotHaveContentType"));
    checker.reset();
    routing.route(mockRequest("/contentType2", Map.of("Content-Type", List.of())), mockResponse());
    assertThat(checker.handlersInvoked(), is("doesNotHaveContentType"));
    checker.reset();
    routing.route(mockRequest("/contentType2", Map.of()), mockResponse());
    assertThat(checker.handlersInvoked(), is("doesNotHaveContentType"));
}