Examples of io.netty.handler.codec.http.FullHttpMessage

io.netty.handler.codec.http.FullHttpMessage
Combines {@link FullHttpMessage} and {@link LastHttpContent} into onemessage. So it represent a complete http message.

     */
    private static FullHttpMessage newHttpRequest(int streamId, Http2Headers http2Headers, boolean validateHttpHeaders)
                    throws Http2Exception {
        // HTTP/2 does not define a way to carry the version identifier that is
        // included in the HTTP/1.1 request line.
        FullHttpMessage msg = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1,
                        HttpMethod.valueOf(http2Headers.method()), http2Headers.path(), validateHttpHeaders);
        addHttp2ToHttpHeaders(streamId, http2Headers, msg, false, HEADER_NAME_TRANSLATIONS_REQUEST);
        return msg;
    }

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    }


    @Override
    protected FullHttpMessage processHeadersBegin(ChannelHandlerContext ctx, int streamId, Http2Headers headers,
            boolean endOfStream, boolean allowAppend, boolean appendToTrailer) throws Http2Exception {
        FullHttpMessage msg = super.processHeadersBegin(ctx, streamId, headers,
                endOfStream, allowAppend, appendToTrailer);
        if (msg != null) {
            exportOutOfMessageFlowHeaders(streamId, getActiveHeaders(msg));
        }
        return msg;

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    }


    @Override
    public void priorityTreeParentChanged(Http2Stream stream, Http2Stream oldParent) {
        Http2Stream parent = stream.parent();
        FullHttpMessage msg = messageMap.get(stream.id());
        if (msg == null) {
            // msg may be null if a HTTP/2 frame event in received outside the HTTP message flow
            // For example a PRIORITY frame can be received in any state besides IDLE
            // and the HTTP message flow exists in OPEN.
            if (parent != null && !parent.equals(connection.connectionStream())) {
                HttpHeaders headers = new DefaultHttpHeaders();
                headers.set(HttpUtil.ExtensionHeaders.Names.STREAM_DEPENDENCY_ID, parent.id());
                importOutOfMessageFlowHeaders(stream.id(), headers);
            }
        } else {
            if (parent == null) {
                removePriorityRelatedHeaders(msg.headers());
                removePriorityRelatedHeaders(msg.trailingHeaders());
            } else if (!parent.equals(connection.connectionStream())) {
                HttpHeaders headers = getActiveHeaders(msg);
                headers.set(HttpUtil.ExtensionHeaders.Names.STREAM_DEPENDENCY_ID, parent.id());
            }
        }

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        }
    }


    @Override
    public void onWeightChanged(Http2Stream stream, short oldWeight) {
        FullHttpMessage msg = messageMap.get(stream.id());
        HttpHeaders headers = null;
        if (msg == null) {
            // msg may be null if a HTTP/2 frame event in received outside the HTTP message flow
            // For example a PRIORITY frame can be received in any state besides IDLE
            // and the HTTP message flow exists in OPEN.

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    }


    @Override
    public void onPriorityRead(ChannelHandlerContext ctx, int streamId, int streamDependency, short weight,
                    boolean exclusive) throws Http2Exception {
        FullHttpMessage msg = messageMap.get(streamId);
        if (msg == null) {
            HttpHeaders headers = outOfMessageFlowHeaders.remove(streamId);
            if (headers == null) {
                throw Http2Exception.protocolError("Priority Frame recieved for unknown stream id %d", streamId);
            }

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     */
    @Override
    @SuppressWarnings("deprecation")
    public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) {
        if (msg instanceof FullHttpMessage) {
            FullHttpMessage httpMsg = (FullHttpMessage) msg;
            boolean hasData = httpMsg.content().isReadable();


            // Convert and write the headers.
            HttpHeaders httpHeaders = httpMsg.headers();
            DefaultHttp2Headers.Builder http2Headers = DefaultHttp2Headers.newBuilder();
            if (msg instanceof HttpRequest) {
                addRequestHeaders((HttpRequest) msg, http2Headers);
            } else if (msg instanceof HttpResponse) {
                addResponseHeaders((HttpResponse) msg, http2Headers);
            }


            // Provide the user the opportunity to specify the streamId
            int streamId = 0;
            try {
                streamId = getStreamId(httpHeaders);
            } catch (Http2Exception e) {
                httpMsg.release();
                promise.setFailure(e);
                return;
            }


            // The Connection, Keep-Alive, Proxy-Connection, Transfer-Encoding,
            // and Upgrade headers are not valid and MUST not be sent.
            httpHeaders.remove(HttpHeaders.Names.CONNECTION);
            httpHeaders.remove(HttpHeaders.Names.KEEP_ALIVE);
            httpHeaders.remove(HttpHeaders.Names.PROXY_CONNECTION);
            httpHeaders.remove(HttpHeaders.Names.TRANSFER_ENCODING);


            // Add the HTTP headers which have not been consumed above
            for (Map.Entry<String, String> entry : httpHeaders.entries()) {
                http2Headers.add(entry.getKey(), entry.getValue());
            }


            if (hasData) {
                ChannelPromiseAggregator promiseAggregator = new ChannelPromiseAggregator(promise);
                ChannelPromise headerPromise = ctx.newPromise();
                ChannelPromise dataPromise = ctx.newPromise();
                promiseAggregator.add(headerPromise, dataPromise);
                writeHeaders(ctx, streamId, http2Headers.build(), 0, false, headerPromise);
                writeData(ctx, streamId, httpMsg.content(), 0, true, dataPromise);
            } else {
                writeHeaders(ctx, streamId, http2Headers.build(), 0, true, promise);
            }
        } else {
            ctx.write(msg, promise);

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        } else if (msg instanceof SpdyHeadersFrame) {


            SpdyHeadersFrame spdyHeadersFrame = (SpdyHeadersFrame) msg;
            int streamId = spdyHeadersFrame.streamId();
            FullHttpMessage fullHttpMessage = getMessage(streamId);


            // If message is not in map discard HEADERS frame.
            if (fullHttpMessage == null) {
                return;
            }


            // Ignore trailers in a truncated HEADERS frame.
            if (!spdyHeadersFrame.isTruncated()) {
                for (Map.Entry<String, String> e: spdyHeadersFrame.headers()) {
                    fullHttpMessage.headers().add(e.getKey(), e.getValue());
                }
            }


            if (spdyHeadersFrame.isLast()) {
                HttpHeaderUtil.setContentLength(fullHttpMessage, fullHttpMessage.content().readableBytes());
                removeMessage(streamId);
                out.add(fullHttpMessage);
            }


        } else if (msg instanceof SpdyDataFrame) {


            SpdyDataFrame spdyDataFrame = (SpdyDataFrame) msg;
            int streamId = spdyDataFrame.streamId();
            FullHttpMessage fullHttpMessage = getMessage(streamId);


            // If message is not in map discard Data Frame.
            if (fullHttpMessage == null) {
                return;
            }


            ByteBuf content = fullHttpMessage.content();
            if (content.readableBytes() > maxContentLength - spdyDataFrame.content().readableBytes()) {
                removeMessage(streamId);
                throw new TooLongFrameException(
                        "HTTP content length exceeded " + maxContentLength + " bytes.");
            }

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     * @param httpMessage check this HTTP message
     * @return whether the given HTTP message should generate a <em>last</em> SPDY frame.
     */
    private static boolean isLast(HttpMessage httpMessage) {
        if (httpMessage instanceof FullHttpMessage) {
            FullHttpMessage fullMessage = (FullHttpMessage) httpMessage;
            if (fullMessage.trailingHeaders().isEmpty() && !fullMessage.content().isReadable()) {
                return true;
            }
        }


        return false;

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     * Handles conversion of a {@link FullHttpMessage} to HTTP/2 frames.
     */
    @Override
    public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) {
        if (msg instanceof FullHttpMessage) {
            FullHttpMessage httpMsg = (FullHttpMessage) msg;
            boolean hasData = httpMsg.content().isReadable();


            // Provide the user the opportunity to specify the streamId
            int streamId = 0;
            try {
                streamId = getStreamId(httpMsg.headers());
            } catch (Exception e) {
                httpMsg.release();
                promise.setFailure(e);
                return;
            }


            // Convert and write the headers.
            Http2Headers http2Headers = HttpUtil.toHttp2Headers(httpMsg);
            Http2ConnectionEncoder encoder = encoder();


            if (hasData) {
                ChannelPromiseAggregator promiseAggregator = new ChannelPromiseAggregator(promise);
                ChannelPromise headerPromise = ctx.newPromise();
                ChannelPromise dataPromise = ctx.newPromise();
                promiseAggregator.add(headerPromise, dataPromise);
                encoder.writeHeaders(ctx, streamId, http2Headers, 0, false, headerPromise);
                encoder.writeData(ctx, streamId, httpMsg.content(), 0, true, dataPromise);
            } else {
                encoder.writeHeaders(ctx, streamId, http2Headers, 0, true, promise);
            }
        } else {
            ctx.write(msg, promise);

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        final ByteBuf content = Unpooled.copiedBuffer(text.getBytes());
        final String text2 = "hello world big time data...number 2!!";
        final ByteBuf content2 = Unpooled.copiedBuffer(text2.getBytes());
        final FullHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.PUT,
                "/some/path/resource", content, true);
        final FullHttpMessage request2 = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.PUT,
                "/some/path/resource2", content2, true);
        try {
            HttpHeaders httpHeaders = request.headers();
            httpHeaders.setInt(HttpUtil.ExtensionHeaderNames.STREAM_ID.text(), 3);
            httpHeaders.setInt(HttpHeaderNames.CONTENT_LENGTH, text.length());
            HttpHeaders httpHeaders2 = request2.headers();
            httpHeaders2.setInt(HttpUtil.ExtensionHeaderNames.STREAM_ID.text(), 5);
            httpHeaders2.setInt(HttpUtil.ExtensionHeaderNames.STREAM_DEPENDENCY_ID.text(), 3);
            httpHeaders2.setInt(HttpUtil.ExtensionHeaderNames.STREAM_WEIGHT.text(), 123);
            httpHeaders2.setInt(HttpHeaderNames.CONTENT_LENGTH, text2.length());
            final Http2Headers http2Headers = new DefaultHttp2Headers().method(as("PUT"))
                    .path(as("/some/path/resource"));
            final Http2Headers http2Headers2 = new DefaultHttp2Headers().method(as("PUT"))
                    .path(as("/some/path/resource2"));
            runInChannel(clientChannel, new Http2Runnable() {
                @Override
                public void run() {
                    frameWriter.writeHeaders(ctxClient(), 3, http2Headers, 0, false, newPromiseClient());
                    frameWriter.writeHeaders(ctxClient(), 5, http2Headers2, 0, false, newPromiseClient());
                    frameWriter.writePriority(ctxClient(), 5, 3, (short) 123, true, newPromiseClient());
                    frameWriter.writeData(ctxClient(), 3, content.retain(), 0, true, newPromiseClient());
                    frameWriter.writeData(ctxClient(), 5, content2.retain(), 0, true, newPromiseClient());
                    ctxClient().flush();
                }
            });
            awaitRequests();
            ArgumentCaptor<FullHttpMessage> httpObjectCaptor = ArgumentCaptor.forClass(FullHttpMessage.class);
            verify(serverListener, times(2)).messageReceived(httpObjectCaptor.capture());
            capturedRequests = httpObjectCaptor.getAllValues();
            assertEquals(request, capturedRequests.get(0));
            assertEquals(request2, capturedRequests.get(1));
        } finally {
            request.release();
            request2.release();
        }
    }

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Related Classes of io.netty.handler.codec.http.FullHttpMessage

io.netty.handler.codec.http2.DelegatingHttp2HttpConnectionHandler

io.netty.handler.codec.http2.Http2ToHttpConnectionHandler

io.netty.handler.codec.http2.InboundHttp2ToHttpAdapter

io.netty.handler.codec.http2.InboundHttp2ToHttpAdapterTest

io.netty.handler.codec.http2.InboundHttp2ToHttpPriorityAdapter

io.netty.handler.codec.spdy.SpdyHttpDecoder

io.netty.handler.codec.spdy.SpdyHttpEncoder

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