Package org.xnio.conduits

Examples of org.xnio.conduits.StreamSinkConduit

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        public static final HttpResponseWrapper INSTANCE = new HttpResponseWrapper();


        public StreamSinkConduit wrap(final ConduitFactory<StreamSinkConduit> factory, final HttpServerExchange exchange) {
            StreamSinkConduit channel = factory.create();
            final ConduitListener<StreamSinkConduit> finishListener = terminateResponseListener(exchange);
            boolean headRequest = exchange.getRequestMethod().equals(Methods.HEAD);
            if (headRequest) {
                //if this is a head request we add a head channel underneath the content encoding channel
                //this will just discard the data
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        final ConduitStreamSourceChannel sourceChannel = connection.getSourceChannel();
        sourceChannel.setReadListener(clientReadListener);
        sourceChannel.resumeReads();

        ConduitStreamSinkChannel sinkChannel = connection.getSinkChannel();
        StreamSinkConduit conduit = originalSinkConduit;
        conduit = new HttpRequestConduit(conduit, bufferPool, request);

        String fixedLengthString = request.getRequestHeaders().getFirst(CONTENT_LENGTH);
        String transferEncodingString = request.getRequestHeaders().getLast(TRANSFER_ENCODING);
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        return new ConduitWrapper<StreamSinkConduit>() {
            public StreamSinkConduit wrap(final ConduitFactory<StreamSinkConduit> factory, final HttpServerExchange exchange) {
                if (exchange.getRequestMethod().equals(Methods.HEAD)) {
                    return new HeadStreamSinkConduit(factory.create(), terminateResponseListener(exchange));
                }
                final StreamSinkConduit channel = factory.create();
                final HeaderMap responseHeaders = exchange.getResponseHeaders();
                // test to see if we're still persistent
                String connection = responseHeaders.getFirst(Headers.CONNECTION);

                boolean stillPersistent = requestLooksPersistent && exchange.isPersistent() && (connection == null || !HttpString.tryFromString(connection).equals(Headers.CLOSE));
                HttpString transferEncoding = Headers.IDENTITY;
                final String transferEncodingHeader = responseHeaders.getLast(Headers.TRANSFER_ENCODING);
                final String contentLengthHeader = responseHeaders.getFirst(Headers.CONTENT_LENGTH);
                if (transferEncodingHeader != null) {
                    if (exchange.isHttp11()) {
                        transferEncoding = new HttpString(transferEncodingHeader);
                    } else {
                        // RFC 2616 3.6 last paragraph
                        responseHeaders.remove(Headers.TRANSFER_ENCODING);
                    }
                } else if (exchange.isHttp11() && contentLengthHeader == null) {
                    //if we have a HTTP 1.1 request with no transfer encoding and no content length
                    //then we default to chunked, to enable persistent connections to work
                    responseHeaders.put(Headers.TRANSFER_ENCODING, Headers.CHUNKED.toString());
                    transferEncoding = Headers.CHUNKED;
                }
                StreamSinkConduit wrappedConduit;
                final int code = exchange.getResponseCode();
                if (exchange.getRequestMethod().equals(Methods.HEAD) || (100 <= code && code <= 199) || code == 204 || code == 304) {
                    final ConduitListener<StreamSinkConduit> finishListener = stillPersistent ? terminateResponseListener(exchange) : null;
                    if (code == 101 && contentLengthHeader != null) {
                        // add least for websocket upgrades we can have a content length
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        final ConduitStreamSourceChannel sourceChannel = connection.getSourceChannel();
        sourceChannel.setReadListener(clientReadListener);
        sourceChannel.resumeReads();

        ConduitStreamSinkChannel sinkChannel = connection.getSinkChannel();
        StreamSinkConduit conduit = originalSinkConduit;
        conduit = new HttpRequestConduit(conduit, bufferPool, request);

        String fixedLengthString = request.getRequestHeaders().getFirst(CONTENT_LENGTH);
        String transferEncodingString = request.getRequestHeaders().getLast(TRANSFER_ENCODING);
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        boolean headRequest = exchange.getRequestMethod().equals(Methods.HEAD);
        HttpServerConnection serverConnection = (HttpServerConnection) exchange.getConnection();

        HttpResponseConduit responseConduit = serverConnection.getResponseConduit();
        responseConduit.reset(exchange);
        StreamSinkConduit channel = responseConduit;
        if (headRequest) {
            //if this is a head request we add a head channel underneath the content encoding channel
            //this will just discard the data
            //we still go through with the rest of the logic, to make sure all headers are set correctly
            channel = new HeadStreamSinkConduit(channel, terminateResponseListener(exchange));
        }

        final HeaderMap responseHeaders = exchange.getResponseHeaders();
        // test to see if we're still persistent
        String connection = responseHeaders.getFirst(Headers.CONNECTION);
        if (!exchange.isPersistent()) {
            responseHeaders.put(Headers.CONNECTION, Headers.CLOSE.toString());
        } else if (exchange.isPersistent() && connection != null) {
            if (HttpString.tryFromString(connection).equals(Headers.CLOSE)) {
                exchange.setPersistent(false);
            }
        } else if (exchange.getConnection().getUndertowOptions().get(UndertowOptions.ALWAYS_SET_KEEP_ALIVE, true)) {
            responseHeaders.put(Headers.CONNECTION, Headers.KEEP_ALIVE.toString());
        }
        //according to the HTTP RFC we should ignore content length if a transfer coding is specified
        final String transferEncodingHeader = responseHeaders.getLast(Headers.TRANSFER_ENCODING);
        if(transferEncodingHeader == null) {
            final String contentLengthHeader = responseHeaders.getFirst(Headers.CONTENT_LENGTH);
            if (contentLengthHeader != null) {
                StreamSinkConduit res = handleFixedLength(exchange, headRequest, channel, responseHeaders, contentLengthHeader, serverConnection);
                if (res != null) {
                    return res;
                }
            }
        }
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        final ConduitStreamSourceChannel sourceChannel = connection.getSourceChannel();
        sourceChannel.setReadListener(clientReadListener);
        sourceChannel.resumeReads();

        ConduitStreamSinkChannel sinkChannel = connection.getSinkChannel();
        StreamSinkConduit conduit = originalSinkConduit;
        conduit = new HttpRequestConduit(conduit, bufferPool, request);

        String fixedLengthString = request.getRequestHeaders().getFirst(CONTENT_LENGTH);
        String transferEncodingString = request.getRequestHeaders().getLast(TRANSFER_ENCODING);
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        boolean headRequest = exchange.getRequestMethod().equals(Methods.HEAD);
        HttpServerConnection serverConnection = (HttpServerConnection) exchange.getConnection();

        HttpResponseConduit responseConduit = serverConnection.getResponseConduit();
        responseConduit.reset(exchange);
        StreamSinkConduit channel = responseConduit;
        if (headRequest) {
            //if this is a head request we add a head channel underneath the content encoding channel
            //this will just discard the data
            //we still go through with the rest of the logic, to make sure all headers are set correctly
            channel = new HeadStreamSinkConduit(channel, terminateResponseListener(exchange));
        }

        final HeaderMap responseHeaders = exchange.getResponseHeaders();
        // test to see if we're still persistent
        String connection = responseHeaders.getFirst(Headers.CONNECTION);
        if (!exchange.isPersistent()) {
            responseHeaders.put(Headers.CONNECTION, Headers.CLOSE.toString());
        } else if (exchange.isPersistent() && connection != null) {
            if (HttpString.tryFromString(connection).equals(Headers.CLOSE)) {
                exchange.setPersistent(false);
            }
        } else if (exchange.getConnection().getUndertowOptions().get(UndertowOptions.ALWAYS_SET_KEEP_ALIVE, true)) {
            responseHeaders.put(Headers.CONNECTION, Headers.KEEP_ALIVE.toString());
        }
        final String contentLengthHeader = responseHeaders.getFirst(Headers.CONTENT_LENGTH);
        if (contentLengthHeader != null) {
            StreamSinkConduit res = handleFixedLength(exchange, headRequest, channel, responseHeaders, contentLengthHeader, serverConnection);
            if (res != null) {
                return res;
            }
        }
        return handleRequestConduit(exchange, headRequest, channel, responseHeaders, terminateResponseListener(exchange));
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        final ConduitStreamSourceChannel sourceChannel = connection.getSourceChannel();
        sourceChannel.setReadListener(clientReadListener);
        sourceChannel.resumeReads();

        ConduitStreamSinkChannel sinkChannel = connection.getSinkChannel();
        StreamSinkConduit conduit = originalSinkConduit;
        conduit = new HttpRequestConduit(conduit, bufferPool, request);

        String fixedLengthString = request.getRequestHeaders().getFirst(CONTENT_LENGTH);
        String transferEncodingString = request.getRequestHeaders().getLast(TRANSFER_ENCODING);
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Related Classes of org.xnio.conduits.StreamSinkConduit

  • io.undertow.client.http.HttpClientConnection
  • io.undertow.client.HttpClientRequestImpl
  • io.undertow.server.handlers.encoding.ContentEncodedResourceManager
  • io.undertow.server.HttpTransferEncoding
  • io.undertow.server.protocol.http.HttpTransferEncoding
  • io.undertow.server.protocol.http.HttpTransferEncoding$HttpResponseWrapper
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