Example usage for io.netty.handler.codec.http.multipart HttpPostRequestDecoder next

List of usage examples for io.netty.handler.codec.http.multipart HttpPostRequestDecoder next

Introduction

In this page you can find the example usage for io.netty.handler.codec.http.multipart HttpPostRequestDecoder next.

Prototype

@Override
    public InterfaceHttpData next() 

Source Link

Usage

From source file:com.bay1ts.bay.core.Request.java

License:Apache License

public Set<String> postBodyNames() {
    Set<String> set = new HashSet<>();
    HttpPostRequestDecoder httpPostRequestDecoder = new HttpPostRequestDecoder(
            new DefaultHttpDataFactory(false), this.fullHttpRequest);
    for (InterfaceHttpData data : httpPostRequestDecoder.getBodyHttpDatas()) {
        data = httpPostRequestDecoder.next();
        set.add(data.getName());/*  ww  w. j a v  a2  s.  c  om*/
        data.release();
        //            if (data!=null){
        //                try {
        //                    Attribute attribute=(Attribute) data;
        //                    set.add(attribute.getName());
        //                }finally {
        //                    data.release();
        //                }
        //            }
    }
    return set;
}

From source file:com.bay1ts.bay.core.Request.java

License:Apache License

public Set<String> postBodyValues() {
    HttpPostRequestDecoder httpPostRequestDecoder = new HttpPostRequestDecoder(
            new DefaultHttpDataFactory(false), this.fullHttpRequest);
    Set<String> set = new HashSet<>();
    for (; httpPostRequestDecoder.hasNext();) {
        InterfaceHttpData data = httpPostRequestDecoder.next();
        if (data != null) {
            try {
                Attribute attribute = (Attribute) data;
                set.add(attribute.getValue());
            } catch (IOException e) {
                e.printStackTrace();//from   w  w w  .jav a 2  s.  co m
            } finally {
                data.release();
            }
        }
    }
    return set;
}

From source file:firebats.http.server.exts.form.Form.java

License:Apache License

private static Form decodeWithContent(Context context, ByteBuf content) {
    //new DefaultHttpDataFactory(/*useDisk*/true)decoder?
    //Mix?16K???/*from  ww  w . j  av a 2 s  .c o  m*/
    //       final HttpPostRequestDecoder decoder = new HttpPostRequestDecoder(new DefaultHttpDataFactory(/*useDisk*/true),toNettyHttpRequest(context.request));
    HttpServerRequest<ByteBuf> rxRequest = context.getRequest();
    HttpRequest nettyRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1, rxRequest.getHttpMethod(),
            rxRequest.getUri());
    for (Map.Entry<String, String> header : rxRequest.getHeaders().entries()) {
        nettyRequest.headers().add(header.getKey(), header.getValue());
    }
    final HttpPostRequestDecoder decoder = new HttpPostRequestDecoder(nettyRequest);
    HttpContent httpContent = new DefaultHttpContent(content);
    decoder.offer(httpContent);
    decoder.offer(LastHttpContent.EMPTY_LAST_CONTENT);

    Map<String, String> formParams = new LinkedHashMap<>();
    Map<String, UploadedFile> files = new LinkedHashMap<>();
    try {
        while (decoder.hasNext()) {
            InterfaceHttpData data = decoder.next();
            if (data.getHttpDataType().equals(InterfaceHttpData.HttpDataType.Attribute)) {
                try {
                    Attribute attr = (Attribute) data;
                    if (!formParams.containsKey(data.getName())) {
                        formParams.put(attr.getName(), attr.getValue());
                    }
                } catch (IOException e) {
                    Throwables.propagate(e);
                } finally {
                    //?
                    data.release();
                }
            } else if (data.getHttpDataType().equals(InterfaceHttpData.HttpDataType.FileUpload)) {
                try {
                    if (!files.containsKey(data.getName())) {
                        final FileUpload nettyFileUpload = (FileUpload) data;
                        final ByteBuf byteBuf = nettyFileUpload.content();
                        byteBuf.retain();
                        context.onComplete(new Action0() {
                            @Override
                            public void call() {
                                if (log.isDebugEnabled()) {
                                    log.debug("form upload file release[" + data.getName() + ":"
                                            + nettyFileUpload.getFilename() + "]");
                                }
                                byteBuf.release();
                            }
                        });
                        UploadedFile fileUpload = new UploadedFile(nettyFileUpload.getFilename(),
                                nettyFileUpload.getContentType(), byteBuf);
                        files.put(data.getName(), fileUpload);
                    }
                } finally {
                    data.release();
                }
            }
        }
    } catch (HttpPostRequestDecoder.EndOfDataDecoderException ignore) {
        // ignore
    } finally {
        decoder.destroy();
    }
    Map<String, String> query = Form.toFlatQueryParams(context.getRequest().getQueryParameters());
    return fromAll(query, formParams, files);
}

From source file:org.jooby.internal.netty.NettyRequest.java

License:Apache License

private Multimap<String, String> decodeParams() throws IOException {
    if (params == null) {
        params = ArrayListMultimap.create();
        files = ArrayListMultimap.create();

        query.parameters().forEach((name, values) -> values.forEach(value -> params.put(name, value)));

        HttpMethod method = req.method();
        boolean hasBody = method.equals(HttpMethod.POST) || method.equals(HttpMethod.PUT)
                || method.equals(HttpMethod.PATCH);
        boolean formLike = false;
        if (req.headers().contains("Content-Type")) {
            String contentType = req.headers().get("Content-Type").toLowerCase();
            formLike = (contentType.startsWith(MediaType.multipart.name())
                    || contentType.startsWith(MediaType.form.name()));
        }/*from ww  w  . j a va2  s. c o m*/
        if (hasBody && formLike) {
            HttpPostRequestDecoder decoder = new HttpPostRequestDecoder(new DefaultHttpDataFactory(), req);
            try {
                Function<HttpPostRequestDecoder, Boolean> hasNext = it -> {
                    try {
                        return it.hasNext();
                    } catch (HttpPostRequestDecoder.EndOfDataDecoderException ex) {
                        return false;
                    }
                };
                while (hasNext.apply(decoder)) {
                    HttpData field = (HttpData) decoder.next();
                    try {
                        String name = field.getName();
                        if (field.getHttpDataType() == HttpDataType.FileUpload) {
                            files.put(name, new NettyUpload((FileUpload) field, tmpdir));
                        } else {
                            params.put(name, field.getString());
                        }
                    } finally {
                        field.release();
                    }
                }
            } finally {
                decoder.destroy();
            }
        }
    }
    return params;
}

From source file:org.knoxcraft.netty.server.HttpUploadServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, HttpObject msg) throws Exception {
    try {//from ww  w . ja  va  2  s  .c  o  m
        if (msg instanceof FullHttpRequest) {
            FullHttpRequest fullRequest = (FullHttpRequest) msg;
            if (fullRequest.getUri().startsWith("/kctupload")) {

                if (fullRequest.getMethod().equals(HttpMethod.GET)) {
                    // HTTP Get request!
                    // Write the HTML page with the form
                    writeMenu(ctx);
                } else if (fullRequest.getMethod().equals(HttpMethod.POST)) {
                    /* 
                     * HTTP Post request! Handle the uploaded form
                     * HTTP parameters:
                            
                    /kctupload
                    username (should match player's Minecraft name)
                    language (java, python, etc)
                    jsonfile (a file upload, or empty)
                    sourcefile (a file upload, or empty)
                    jsontext (a JSON string, or empty)
                    sourcetext (code as a String, or empty)
                     */

                    String language = null;
                    String playerName = null;
                    String client = null;
                    String jsonText = null;
                    String sourceText = null;
                    Map<String, UploadedFile> files = new LinkedHashMap<String, UploadedFile>();

                    HttpPostRequestDecoder decoder = new HttpPostRequestDecoder(fullRequest);
                    try {
                        logger.trace("is multipart? " + decoder.isMultipart());
                        while (decoder.hasNext()) {
                            InterfaceHttpData data = decoder.next();
                            if (data == null)
                                continue;

                            try {
                                if (data.getHttpDataType() == HttpDataType.Attribute) {
                                    Attribute attribute = (Attribute) data;
                                    String name = attribute.getName();
                                    String value = attribute.getValue();
                                    logger.trace(String.format("http attribute: %s => %s", name, value));
                                    if (name.equals("language")) {
                                        language = value;
                                    } else if (name.equals("playerName")) {
                                        playerName = value;
                                    } else if (name.equals("client")) {
                                        client = value;
                                    } else if (name.equals("jsontext")) {
                                        jsonText = value;
                                    } else if (name.equals("sourcetext")) {
                                        sourceText = value;
                                    } else {
                                        logger.warn(String.format("Unknown kctupload attribute: %s => %s", name,
                                                value));
                                    }
                                } else if (data.getHttpDataType() == HttpDataType.FileUpload) {
                                    // Handle file upload
                                    // We may have json, source, or both
                                    FileUpload fileUpload = (FileUpload) data;
                                    logger.debug(String.format("http file upload name %s, filename: ",
                                            data.getName(), fileUpload.getFilename()));
                                    String filename = fileUpload.getFilename();
                                    ByteBuf buf = fileUpload.getByteBuf();
                                    String fileBody = new String(buf.array(), "UTF-8");
                                    files.put(data.getName(), new UploadedFile(filename, fileBody));
                                }
                            } finally {
                                data.release();
                            }
                        }
                    } finally {
                        if (decoder != null) {
                            // clean up resources
                            decoder.cleanFiles();
                            decoder.destroy();
                        }
                    }

                    /*
                     * Error checking here makes the most sense, since we can send back a reasonable error message
                     * to the uploading client at this point. Makes less sense to wait to compile.
                     * 
                     * Upload possibilities:
                     * 
                     * bluej: file1, file2, etc. All source code. Language should be set to Java.
                     * Convert to JSON, then to KCTScript. Signal an error if one happens.
                     * 
                     * web: jsontext and/or sourcetext. json-only is OK; source-only is OK if it's Java. 
                     * Cannot send source-only for non-Java languages, since we can't build them (yet).
                     * 
                     * anything else: convert to Json and hope for the best
                     */
                    try {
                        KCTUploadHook hook = new KCTUploadHook();
                        StringBuilder res = new StringBuilder();

                        if (playerName == null || playerName.equals("")) {
                            // XXX How do we know that the playerName is valid?
                            // TODO: authenticate against Mojang's server?
                            throw new TurtleException("You must specify your MineCraft player name!");
                        }

                        if (client == null) {
                            throw new TurtleException("Your uploading and submission system must specify "
                                    + "the type of client used for the upload (i.e. bluej, web, pykc, etc)");
                        }

                        hook.setPlayerName(playerName);
                        res.append(
                                String.format("Hello %s! Thanks for using KnoxCraft Turtles\n\n", playerName));

                        TurtleCompiler turtleCompiler = new TurtleCompiler(logger);
                        int success = 0;
                        int failure = 0;
                        if (client.equalsIgnoreCase("web") || client.equalsIgnoreCase("testclient")
                                || client.startsWith("pykc")) {
                            // WEB OR PYTHON UPLOAD
                            logger.trace("Upload from web");
                            // must have both Json and source, either in text area or as uploaded files
                            //XXX Conlfict of comments of the top and here??? What do we need both/ only JSon?
                            //Is there a want we want, thus forcing it
                            if (sourceText != null && jsonText != null) {
                                KCTScript script = turtleCompiler.parseFromJson(jsonText);
                                script.setLanguage(language);
                                script.setSourceCode(sourceText);
                                res.append(String.format(
                                        "Successfully uploaded KnoxCraft Turtle program "
                                                + "named %s, in programming language %s\n",
                                        script.getScriptName(), script.getLanguage()));
                                success++;
                                hook.addScript(script);
                            } else if (files.containsKey("jsonfile") && files.containsKey("sourcefile")) {
                                UploadedFile sourceUpload = files.get("sourcefile");
                                UploadedFile jsonUpload = files.get("jsonfile");
                                KCTScript script = turtleCompiler.parseFromJson(jsonUpload.body);
                                script.setLanguage(language);
                                script.setSourceCode(sourceUpload.body);
                                res.append(String.format(
                                        "Successfully uploaded KnoxCraft Turtle program "
                                                + "named %s, in programming language %s\n",
                                        script.getScriptName(), script.getLanguage()));
                                success++;
                                hook.addScript(script);
                            } else {
                                throw new TurtleException(
                                        "You must upload BOTH json and the corresponding source code "
                                                + " (either as files or pasted into the text areas)");
                            }
                        } else if ("bluej".equalsIgnoreCase(client)) {
                            // BLUEJ UPLOAD
                            logger.trace("Upload from bluej");
                            for (Entry<String, UploadedFile> entry : files.entrySet()) {
                                try {
                                    UploadedFile uploadedFile = entry.getValue();
                                    res.append(String.format("Trying to upload and compile file %s\n",
                                            uploadedFile.filename));
                                    logger.trace(String.format("Trying to upload and compile file %s\n",
                                            uploadedFile.filename));
                                    KCTScript script = turtleCompiler
                                            .compileJavaTurtleCode(uploadedFile.filename, uploadedFile.body);
                                    logger.trace("Returned KCTScript (it's JSON is): " + script.toJSONString());
                                    hook.addScript(script);
                                    res.append(String.format(
                                            "Successfully uploaded file %s and compiled KnoxCraft Turtle program "
                                                    + "named %s in programming language %s\n\n",
                                            uploadedFile.filename, script.getScriptName(),
                                            script.getLanguage()));
                                    success++;
                                } catch (TurtleCompilerException e) {
                                    logger.warn("Unable to compile Turtle code", e);
                                    res.append(String.format("%s\n\n", e.getMessage()));
                                    failure++;
                                } catch (TurtleException e) {
                                    logger.error("Error in compiling (possibly a server side error)", e);
                                    res.append(String.format("Unable to process Turtle code %s\n\n",
                                            e.getMessage()));
                                    failure++;
                                } catch (Exception e) {
                                    logger.error("Unexpected error compiling Turtle code to KCTScript", e);
                                    failure++;
                                    res.append(String.format("Failed to load script %s\n", entry.getKey()));
                                }
                            }
                        } else {
                            // UNKNOWN CLIENT UPLOAD
                            // TODO Unknown client; make a best effort to handle upload
                            res.append(String.format(
                                    "Unknown upload client: %s; making our best effort to handle the upload"));
                        }

                        res.append(String.format("\nSuccessfully uploaded %d KnoxCraft Turtles programs\n",
                                success));
                        if (failure > 0) {
                            res.append(String.format("\nFailed to upload %d KnoxCraft Turtles programs\n",
                                    failure));
                        }
                        Canary.hooks().callHook(hook);
                        writeResponse(ctx.channel(), fullRequest, res.toString(), client);
                    } catch (TurtleException e) {
                        // XXX can this still happen? Don't we catch all of these?
                        writeResponse(ctx.channel(), fullRequest, e.getMessage(), "error");
                    }
                }
            }
        }
    } catch (Exception e) {
        logger.error("Internal Server Error: Channel error", e);
        throw e;
    }
}

From source file:org.pidome.server.system.network.http.HttpRequestHandler.java

/**
 * Process the request made for http2/*from w  w w  .  j av a  2 s  . co m*/
 *
 * @param chc The channel context.
 * @param request The url request.
 * @param writer The output writer of type HttpRequestWriterInterface.
 * @param streamId The stream Id in case of http2, when http1 leave null.
 */
protected static void processManagement(ChannelHandlerContext chc, FullHttpRequest request,
        HttpRequestWriterInterface writer, String streamId) {
    String plainIp = getPlainIp(chc.channel().remoteAddress());
    String localIp = getPlainIp(chc.channel().localAddress());
    int localPort = getPort(chc.channel().localAddress());
    try {
        QueryStringDecoder queryStringDecoder = new QueryStringDecoder(request.uri());
        String fileRequest = queryStringDecoder.path();

        if (fileRequest.equals("/")) {
            fileRequest = "/index.html";
        } else if (fileRequest.endsWith("/")) {
            fileRequest = fileRequest + "index.html";
        }

        String nakedfile = fileRequest.substring(1, fileRequest.lastIndexOf("."));
        String fileType = fileRequest.substring(fileRequest.lastIndexOf(".") + 1);

        String loginError = "";
        RemoteClientInterface client = null;
        RemoteClient remoteClient = null;

        WebRenderInterface renderClass = null;

        try {
            Set<Cookie> cookie = cookieParser(request);
            Map<RemoteClientInterface, RemoteClient> clientSet = getAuthorizedClient(request, plainIp,
                    (cookie.isEmpty() ? "" : ((Cookie) cookie.toArray()[0]).getValue()), fileRequest);
            client = clientSet.keySet().iterator().next();
            remoteClient = clientSet.get(client);
        } catch (Exception ex) {
            if (ex instanceof HttpClientNotAuthorizedException) {
                LOG.error("Not authorized at {}", plainIp, request.uri());
                loginError = "Not authorized or bad username/password";
            } else if (ex instanceof HttpClientLoggedInOnOtherLocationException) {
                LOG.error("Not authorized at {} (Logged in on other location: {}!)", plainIp, ex.getMessage());
                loginError = "Client seems to be already logged in on another location";
            } else {
                LOG.error("Not authorized at: {} (Cookie problem? ({}))", ex, ex.getMessage(), ex);
                loginError = "Problem getting authentication data, refer to log file";
            }
            if (!request.uri().equals("/jsonrpc.json")) {
                fileType = "xhtml";
                nakedfile = "login";
                fileRequest = "/login.xhtml";
            }
        }

        if (!fileType.isEmpty()) {
            switch (fileType) {
            case "xhtml":
            case "json":
            case "upload":
            case "xml":
            case "/":
                if (request.uri().startsWith("/jsonrpc.json")) {
                    renderClass = getJSONRPCRenderer(request);
                } else if (request.uri().startsWith("/xmlapi/")) {
                    /// This is a temp solution until the xml output has been transfered to the json rpc api.
                    Class classToLoad = Class.forName(
                            HttpServer.getXMLClassesRoot() + nakedfile.replace("xmlapi/", ".Webclient_"));
                    renderClass = (WebRenderInterface) classToLoad.getConstructor().newInstance();
                } else {
                    Class classToLoad = Class
                            .forName(HttpServer.getDocumentClassRoot() + nakedfile.replace("/", ".Webclient_"));
                    renderClass = (WebRenderInterface) classToLoad.getConstructor().newInstance();
                }
                renderClass.setHostData(localIp, localPort, plainIp);
                renderClass.setRequestData(queryStringDecoder.parameters());
                Map<String, String> postData = new HashMap<>();
                Map<String, byte[]> fileMap = new HashMap<>();
                if (request.method().equals(HttpMethod.POST)) {
                    HttpPostRequestDecoder decoder = new HttpPostRequestDecoder(
                            new DefaultHttpDataFactory(false), request);
                    decoder.setDiscardThreshold(0);
                    if (request instanceof HttpContent) {
                        HttpContent chunk = (HttpContent) request;
                        decoder.offer(chunk);
                        try {
                            while (decoder.hasNext()) {
                                InterfaceHttpData data = decoder.next();
                                if (data != null) {
                                    if (data.getHttpDataType()
                                            .equals(InterfaceHttpData.HttpDataType.Attribute)) {
                                        postData.put(data.getName(), ((HttpData) data).getString());
                                    } else if (data.getHttpDataType()
                                            .equals(InterfaceHttpData.HttpDataType.FileUpload)) {
                                        FileUpload fileUpload = (FileUpload) data;
                                        fileMap.put(fileUpload.getFilename(), fileUpload.get());
                                    }
                                }
                            }
                        } catch (HttpPostRequestDecoder.EndOfDataDecoderException e1) {

                        }
                        if (chunk instanceof LastHttpContent) {
                            decoder.destroy();
                            decoder = null;
                        }
                    }
                }
                renderClass.setPostData(postData);
                renderClass.setFileData(fileMap);
                renderClass.setLoginData(client, remoteClient, loginError);
                renderClass.collect();
                renderClass.setTemplate(fileRequest);

                ByteArrayOutputStream outputWriter = new ByteArrayOutputStream();
                renderClass.setOutputStream(outputWriter);

                String output = renderClass.render();
                outputWriter.close();
                writer.writeResponse(chc, HttpResponseStatus.OK, output.getBytes(), fileType, streamId, false);
                break;
            default:
                sendStaticFile(chc, writer, fileRequest, queryStringDecoder, streamId);
                break;
            }
        }
    } catch (ClassNotFoundException | Webservice404Exception ex) {
        LOG.warn("404 error: {} - {} (by {})", ex.getMessage(), ex, plainIp);
        try (StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw);) {
            ex.printStackTrace(pw);
            writer.writeResponse(chc, HttpResponseStatus.NOT_FOUND, return404Error().getBytes(), "html",
                    streamId, false);
        } catch (IOException exWriters) {
            LOG.error("Problem outputting 404 error: {}", exWriters.getMessage(), exWriters);
        }
    } catch (Exception ex) {
        LOG.error("500 error: {}", ex.getLocalizedMessage(), ex);
        try (StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw);) {
            ex.printStackTrace(pw);
            String errorOutput = sw.toString() + "\n\n" + getRandQuote();
            writer.writeResponse(chc, HttpResponseStatus.INTERNAL_SERVER_ERROR,
                    (errorOutput + "<br/><br/><p>" + getRandQuote() + "</p>").getBytes(), "", streamId, false);
        } catch (IOException exWriters) {
            LOG.error("Problem outputting 500 error: {}", exWriters.getMessage(), exWriters);
        }
    }
}

From source file:org.wisdom.engine.wrapper.ContextFromNetty.java

License:Apache License

/**
 * Reads request by chunk and getting values from chunk to chunk.
 *///from   www . j a va2s  .  co  m
private void readHttpDataChunkByChunk(HttpPostRequestDecoder decoder) {
    try {
        while (decoder.hasNext()) {
            InterfaceHttpData data = decoder.next();
            if (data != null) {
                try {
                    // new value
                    readAttributeOrFile(data);
                } finally {
                    // Do not release the data if it's a file, we released it once everything is done.
                    if (data.getHttpDataType() != InterfaceHttpData.HttpDataType.FileUpload) {
                        data.release();
                    }
                }
            }

        }
    } catch (HttpPostRequestDecoder.EndOfDataDecoderException e) {
        LOGGER.debug("Error when decoding content, end of data reached", e);
    }
}

From source file:ratpack.form.internal.FormDecoder.java

License:Apache License

public static Form parseForm(Context context, TypedData requestBody, 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, request.getBody().getContentType().toString());
    HttpPostRequestDecoder decoder = new HttpPostRequestDecoder(nettyRequest);

    HttpContent content = new DefaultHttpContent(requestBody.getBuffer());

    decoder.offer(content);/*from   ww  w .j av  a  2 s.co  m*/
    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(new Action<RequestOutcome>() {
                        @Override
                        public void execute(RequestOutcome thing) throws Exception {
                            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));
}