public void decode()

in src/main/java/com/twitter/http2/HttpHeaderBlockDecoder.java [50:72]

• 22 lines of code
• 5 McCabe index (conditional complexity)

    public void decode(ByteBuf headerBlock, final HttpHeaderBlockFrame frame) throws IOException {
        HeaderListener headerListener = NULL_HEADER_LISTENER;
        if (frame != null) {
            headerListener = new HeaderListenerImpl(frame.headers());
        }

        if (cumulation == null) {
            decoder.decode(new ByteBufInputStream(headerBlock), headerListener);
            if (headerBlock.isReadable()) {
                cumulation = Unpooled.buffer(headerBlock.readableBytes());
                cumulation.writeBytes(headerBlock);
            }
        } else {
            cumulation.writeBytes(headerBlock);
            decoder.decode(new ByteBufInputStream(cumulation), headerListener);
            if (cumulation.isReadable()) {
                cumulation.discardReadBytes();
            } else {
                cumulation.release();
                cumulation = null;
            }
        }
    }