Http3FrameTypeOutboundValidationHandler Class — netty Architecture

Source Code

codec-http3/src/main/java/io/netty/handler/codec/http3/Http3FrameTypeOutboundValidationHandler.java lines 26–51

class Http3FrameTypeOutboundValidationHandler<T extends Http3Frame> extends ChannelOutboundHandlerAdapter {

    private final Class<T> frameType;

    Http3FrameTypeOutboundValidationHandler(Class<T> frameType) {
        this.frameType = ObjectUtil.checkNotNull(frameType, "frameType");
    }

    @Override
    public final void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) {
        T frame = validateFrameWritten(frameType, msg);
        if (frame != null) {
            write(ctx, frame, promise);
        } else {
            writeFrameDiscarded(msg, promise);
        }
    }

    void write(ChannelHandlerContext ctx, T msg, ChannelPromise promise) {
        ctx.write(msg, promise);
    }

    void writeFrameDiscarded(Object discardedFrame, ChannelPromise promise) {
        frameTypeUnexpected(promise, discardedFrame);
    }
}