BaseDecoder Class — netty Architecture

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/Http2ConnectionHandler.java lines 203–224

    private abstract class BaseDecoder {
        public abstract void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception;
        public void handlerRemoved(ChannelHandlerContext ctx) throws Exception { }
        public void channelActive(ChannelHandlerContext ctx) throws Exception { }

        public void channelInactive(ChannelHandlerContext ctx) throws Exception {
            // Connection has terminated, close the encoder and decoder.
            encoder().close();
            decoder().close();

            // We need to remove all streams (not just the active ones).
            // See https://github.com/netty/netty/issues/4838.
            connection().close(ctx.voidPromise());
        }

        /**
         * Determine if the HTTP/2 connection preface been sent.
         */
        public boolean prefaceSent() {
            return true;
        }
    }