Examples with BufferDecoder io.servicetalk.encoding.api.BufferDecoder used on opensource projects

Example 1 with BufferDecoder

use of io.servicetalk.encoding.api.BufferDecoder in project servicetalk by apple.

the class ContentEncodingHttpServiceFilter method create.

@Override
public StreamingHttpServiceFilter create(final StreamingHttpService service) {
    return new StreamingHttpServiceFilter(service) {

        @Override
        public Single<StreamingHttpResponse> handle(final HttpServiceContext ctx, final StreamingHttpRequest request, final StreamingHttpResponseFactory responseFactory) {
            return Single.defer(() -> {
                final StreamingHttpRequest requestDecompressed;
                Iterator<? extends CharSequence> contentEncodingItr = request.headers().valuesIterator(CONTENT_ENCODING);
                final boolean hasContentEncoding = contentEncodingItr.hasNext();
                if (hasContentEncoding) {
                    BufferDecoder decoder = matchAndRemoveEncoding(decompressors.decoders(), BufferDecoder::encodingName, contentEncodingItr, request.headers());
                    if (decoder == null) {
                        return succeeded(responseFactory.unsupportedMediaType()).shareContextOnSubscribe();
                    }
                    requestDecompressed = request.transformPayloadBody(pub -> decoder.streamingDecoder().deserialize(pub, ctx.executionContext().bufferAllocator()));
                } else {
                    requestDecompressed = request;
                }
                return super.handle(ctx, requestDecompressed, responseFactory).map(response -> {
                    final CharSequence reqAcceptEncoding;
                    if (isPassThrough(request.method(), response) || (reqAcceptEncoding = request.headers().get(ACCEPT_ENCODING)) == null) {
                        return response;
                    }
                    BufferEncoder encoder = negotiateAcceptedEncodingRaw(reqAcceptEncoding, compressors, BufferEncoder::encodingName);
                    if (encoder == null || identityEncoder().equals(encoder)) {
                        return response;
                    }
                    addContentEncoding(response.headers(), encoder.encodingName());
                    return response.transformPayloadBody(bufPub -> encoder.streamingEncoder().serialize(bufPub, ctx.executionContext().bufferAllocator()));
                }).shareContextOnSubscribe();
            });
        }
    };
}

Example 2 with BufferDecoder

use of io.servicetalk.encoding.api.BufferDecoder in project servicetalk by apple.

the class ContentEncodingHttpRequesterFilter method applyEncodingAndDecoding.

private Single<StreamingHttpResponse> applyEncodingAndDecoding(final StreamingHttpRequester delegate, final StreamingHttpRequest request) {
    return Single.defer(() -> {
        boolean decompressResponse = false;
        CharSequence encodings = decompressors.advertisedMessageEncoding();
        if (encodings != null && !request.headers().contains(ACCEPT_ENCODING)) {
            request.headers().set(ACCEPT_ENCODING, encodings);
            decompressResponse = true;
        }
        BufferEncoder encoder = request.contentEncoding();
        final StreamingHttpRequest encodedRequest;
        if (encoder != null && !identityEncoder().equals(encoder)) {
            addContentEncoding(request.headers(), encoder.encodingName());
            encodedRequest = request.transformPayloadBody(pub -> encoder.streamingEncoder().serialize(pub, delegate.executionContext().bufferAllocator()));
        } else {
            encodedRequest = request;
        }
        Single<StreamingHttpResponse> respSingle = delegate.request(encodedRequest);
        return (decompressResponse ? respSingle.map(response -> {
            Iterator<? extends CharSequence> contentEncodingItr = response.headers().valuesIterator(CONTENT_ENCODING);
            final boolean hasContentEncoding = contentEncodingItr.hasNext();
            if (!hasContentEncoding) {
                return response;
            }
            BufferDecoder decoder = matchAndRemoveEncoding(decompressors.decoders(), BufferDecoder::encodingName, contentEncodingItr, response.headers());
            if (decoder == null) {
                throw new UnsupportedContentEncodingException(response.headers().get(CONTENT_ENCODING, "<null>").toString());
            }
            return response.transformPayloadBody(pub -> decoder.streamingDecoder().deserialize(pub, delegate.executionContext().bufferAllocator()));
        }) : respSingle).shareContextOnSubscribe();
    });
}