Example usage for io.netty.channel ChannelPromiseAggregator ChannelPromiseAggregator

Introduction

In this page you can find the example usage for io.netty.channel ChannelPromiseAggregator ChannelPromiseAggregator.

Prototype

public ChannelPromiseAggregator(ChannelPromise aggregatePromise) 

Source Link

Usage

From source file:org.jboss.aerogear.webpush.WebPushToHttp2ConnectionHandler.java

License:Apache License

@Override
public void write(final ChannelHandlerContext ctx, final Object msg, final ChannelPromise promise) {
    if (msg instanceof WebPushMessage) {
        final WebPushMessage message = (WebPushMessage) msg;
        final Http2ConnectionEncoder encoder = encoder();
        final int streamId = connection().local().incrementAndGetNextStreamId();
        if (message.hasData()) {
            final ChannelPromiseAggregator promiseAggregator = new ChannelPromiseAggregator(promise);
            final ChannelPromise headerPromise = ctx.newPromise();
            final ChannelPromise dataPromise = ctx.newPromise();
            promiseAggregator.add(headerPromise, dataPromise);
            encoder.writeHeaders(ctx, streamId, message.headers(), 0, false, headerPromise);
            encoder.writeData(ctx, streamId, message.payload(), 0, true, dataPromise);
        } else {/*  ww w . j  a va  2s  .  com*/
            encoder.writeHeaders(ctx, streamId, message.headers(), 0, true, promise);
        }
    } else {
        ctx.write(msg, promise);
    }
}

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