Examples with MultiValueMap ratpack.util.MultiValueMap used on opensource projects

Example 1 with MultiValueMap

use of ratpack.util.MultiValueMap 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);
                }
            } else if (data.getHttpDataType().equals(InterfaceHttpData.HttpDataType.FileUpload)) {
                List<UploadedFile> values = files.computeIfAbsent(data.getName(), k -> new ArrayList<>(1));
                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);
                }
            }
            data = decoder.next();
        }
    } catch (HttpPostRequestDecoder.EndOfDataDecoderException ignore) {
    // ignore
    } finally {
        decoder.destroy();
    }
    return new DefaultForm(new ImmutableDelegatingMultiValueMap<>(attributes), new ImmutableDelegatingMultiValueMap<>(files));
}