HeadersContinuation Class — netty Architecture

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/DefaultHttp2FrameReader.java lines 640–668

    private abstract class HeadersContinuation {
        private final HeadersBlockBuilder builder = new HeadersBlockBuilder();

        /**
         * Returns the stream for which headers are currently being processed.
         */
        abstract int getStreamId();

        /**
         * Processes the next fragment for the current header block.
         *
         * @param endOfHeaders whether the fragment is the last in the header block.
         * @param fragment the fragment of the header block to be added.
         * @param listener the listener to be notified if the header block is completed.
         */
        abstract void processFragment(boolean endOfHeaders, ByteBuf fragment, int len,
                Http2FrameListener listener) throws Http2Exception;

        final HeadersBlockBuilder headersBlockBuilder() {
            return builder;
        }

        /**
         * Free any allocated resources.
         */
        final void close() {
            builder.close();
        }
    }