Examples with Context ratpack.handling.Context used on opensource projects

Example 1 with Context

use of ratpack.handling.Context in project ratpack by ratpack.

the class NewRelicExecInterceptor method intercept.

@Override
@Trace(dispatcher = true)
public void intercept(Execution execution, ExecType execType, Block executionSegment) throws Exception {
    execution.maybeGet(Context.class).ifPresent(context -> {
        NewRelicTransaction transaction = execution.maybeGet(NewRelicTransaction.class).orElse(null);
        if (transaction == null) {
            transaction = new DefaultNewRelicTransaction(context);
            execution.add(NewRelicTransaction.class, transaction);
        }
        transaction.init();
    });
    executionSegment.execute();
}

Example 2 with Context

use of ratpack.handling.Context in project ratpack by ratpack.

the class Pac4jAuthenticator method createClients.

private Promise<Clients> createClients(Context ctx, PathBinding pathBinding) throws Exception {
    String boundTo = pathBinding.getBoundTo();
    PublicAddress publicAddress = ctx.get(PublicAddress.class);
    String absoluteCallbackUrl = publicAddress.get(b -> b.maybeEncodedPath(boundTo).maybeEncodedPath(path)).toASCIIString();
    Iterable<? extends Client<?, ?>> result = clientsProvider.get(ctx);
    @SuppressWarnings("rawtypes") List<Client> clients;
    if (result instanceof List) {
        clients = Types.cast(result);
    } else {
        clients = ImmutableList.copyOf(result);
    }
    return Promise.value(new Clients(absoluteCallbackUrl, clients));
}

Example 3 with Context

use of ratpack.handling.Context in project ratpack by ratpack.

the class ServerSentEvents method render.

/**
   * {@inheritDoc}
   */
@Override
public void render(Context context) throws Exception {
    ByteBufAllocator bufferAllocator = context.get(ByteBufAllocator.class);
    Response response = context.getResponse();
    response.getHeaders().add(HttpHeaderConstants.CONTENT_TYPE, HttpHeaderConstants.TEXT_EVENT_STREAM_CHARSET_UTF_8);
    response.getHeaders().add(HttpHeaderConstants.TRANSFER_ENCODING, HttpHeaderConstants.CHUNKED);
    response.getHeaders().add(HttpHeaderConstants.CACHE_CONTROL, HttpHeaderConstants.NO_CACHE_FULL);
    response.getHeaders().add(HttpHeaderConstants.PRAGMA, HttpHeaderConstants.NO_CACHE);
    response.sendStream(Streams.map(publisher, i -> ServerSentEventEncoder.INSTANCE.encode(i, bufferAllocator)));
}

Example 4 with Context

use of ratpack.handling.Context in project ratpack by ratpack.

the class WebSockets method websocketBroadcast.

/**
   * Sets up a websocket that sends the published Strings to a client.
   * <p>
   * This takes the place of a {@link Streams#bindExec(Publisher)} call.
   *
   * @param context the request handling context
   * @param broadcaster a {@link Publisher} of Strings to send to the websocket client
   */
public static void websocketBroadcast(final Context context, final Publisher<String> broadcaster) {
    ByteBufAllocator bufferAllocator = context.get(ByteBufAllocator.class);
    websocketByteBufBroadcast(context, Streams.map(broadcaster, s -> ByteBufUtil.encodeString(bufferAllocator, CharBuffer.wrap(s), CharsetUtil.UTF_8)));
}

Example 5 with Context

use of ratpack.handling.Context in project ratpack by ratpack.

the class FormDecoder method parseForm.

@SuppressWarnings("deprecation")
public static Form parseForm(Context context, TypedData body, MultiValueMap<String, String> base) throws RuntimeException {
    Request request = context.getRequest();
    HttpMethod method = io.netty.handler.codec.http.HttpMethod.valueOf(request.getMethod().getName());
    HttpRequest nettyRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1, method, request.getUri());
    nettyRequest.headers().add(HttpHeaderNames.CONTENT_TYPE, body.getContentType().toString());
    HttpPostRequestDecoder decoder = new HttpPostRequestDecoder(nettyRequest);
    HttpContent content = new DefaultHttpContent(body.getBuffer());
    decoder.offer(content);
    decoder.offer(LastHttpContent.EMPTY_LAST_CONTENT);
    Map<String, List<String>> attributes = new LinkedHashMap<>(base.getAll());
    Map<String, List<UploadedFile>> files = new LinkedHashMap<>();
    try {
        InterfaceHttpData data = decoder.next();
        while (data != null) {
            if (data.getHttpDataType().equals(InterfaceHttpData.HttpDataType.Attribute)) {
                List<String> values = attributes.get(data.getName());
                if (values == null) {
                    values = new ArrayList<>(1);
                    attributes.put(data.getName(), values);
                }
                try {
                    values.add(((Attribute) data).getValue());
                } catch (IOException e) {
                    throw uncheck(e);
                } finally {
                    data.release();
                }
            } else if (data.getHttpDataType().equals(InterfaceHttpData.HttpDataType.FileUpload)) {
                List<UploadedFile> values = files.get(data.getName());
                if (values == null) {
                    values = new ArrayList<>(1);
                    files.put(data.getName(), values);
                }
                try {
                    FileUpload nettyFileUpload = (FileUpload) data;
                    final ByteBuf byteBuf = nettyFileUpload.getByteBuf();
                    byteBuf.retain();
                    context.onClose(ro -> byteBuf.release());
                    MediaType contentType;
                    String rawContentType = nettyFileUpload.getContentType();
                    if (rawContentType == null) {
                        contentType = null;
                    } else {
                        Charset charset = nettyFileUpload.getCharset();
                        if (charset == null) {
                            contentType = DefaultMediaType.get(rawContentType);
                        } else {
                            contentType = DefaultMediaType.get(rawContentType + ";charset=" + charset);
                        }
                    }
                    UploadedFile fileUpload = new DefaultUploadedFile(new ByteBufBackedTypedData(byteBuf, contentType), nettyFileUpload.getFilename());
                    values.add(fileUpload);
                } catch (IOException e) {
                    throw uncheck(e);
                } finally {
                    data.release();
                }
            }
            data = decoder.next();
        }
    } catch (HttpPostRequestDecoder.EndOfDataDecoderException ignore) {
    // ignore
    } finally {
        decoder.destroy();
    }
    return new DefaultForm(new ImmutableDelegatingMultiValueMap<>(attributes), new ImmutableDelegatingMultiValueMap<>(files));
}