SpdyClientStreamIdHandler Class — netty Architecture

Source Code

example/src/main/java/io/netty/example/spdy/client/SpdyClientStreamIdHandler.java lines 28–48

public class SpdyClientStreamIdHandler extends ChannelOutboundHandlerAdapter {

    private int currentStreamId = 1;

    public boolean acceptOutboundMessage(Object msg) {
        return msg instanceof HttpMessage;
    }

    @Override
    public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) {
        if (acceptOutboundMessage(msg)) {
            HttpMessage httpMsg = (HttpMessage) msg;
            if (!httpMsg.headers().contains(SpdyHttpHeaders.Names.STREAM_ID)) {
                httpMsg.headers().setInt(Names.STREAM_ID, currentStreamId);
                // Client stream IDs are always odd
                currentStreamId += 2;
            }
        }
        ctx.write(msg, promise);
    }
}