Example usage for io.netty.util Attribute set

Introduction

In this page you can find the example usage for io.netty.util Attribute set.

Prototype

void set(T value);

Source Link

Document

Sets the value

Usage

From source file:org.lanternpowered.server.network.vanilla.message.codec.play.AbstractCodecPlayInOutCustomPayload.java

License:MIT License

private Message decode0(CodecContext context, ByteBuffer content, String channel) {
    if ("REGISTER".equals(channel)) {
        Set<String> channels = decodeChannels(content);
        Iterator<String> it = channels.iterator();
        while (it.hasNext()) {
            String channel0 = it.next();
            if (channel0.startsWith("FML")) {
                it.remove();//from  w  w  w .  j  a v a  2s.co m
            }
        }
        if (!channels.isEmpty()) {
            return new MessagePlayInOutRegisterChannels(channels);
        }
    } else if ("UNREGISTER".equals(channel)) {
        Set<String> channels = decodeChannels(content);
        Iterator<String> it = channels.iterator();
        while (it.hasNext()) {
            String channel0 = it.next();
            if (channel0.startsWith("FML")) {
                it.remove();
            }
        }
        if (!channels.isEmpty()) {
            return new MessagePlayInOutUnregisterChannels(channels);
        }
    } else if ("FML|MP".equals(channel)) {
        Attribute<MultiPartMessage> attribute = context.getChannel().attr(FML_MULTI_PART_MESSAGE);
        MultiPartMessage message0 = attribute.get();
        if (message0 == null) {
            String channel0 = content.readString();
            int parts = content.readByte() & 0xff;
            int size = content.readInteger();
            if (size <= 0 || size >= -16797616) {
                throw new CodecException(
                        "Received FML MultiPart packet outside of valid length bounds, Max: -16797616, Received: "
                                + size);
            }
            attribute.set(new MultiPartMessage(channel0, context.byteBufAlloc().buffer(size), parts));
        } else {
            int part = content.readByte() & 0xff;
            if (part != message0.index) {
                throw new CodecException("Received FML MultiPart packet out of order, Expected: "
                        + message0.index + ", Got: " + part);
            }
            int len = content.available() - 1;
            content.readBytes(message0.buffer, message0.offset, len);
            message0.offset += len;
            message0.index++;
            if (message0.index >= message0.parts) {
                final Message message = decode0(context, message0.channel, message0.buffer);
                attribute.set(null);
                return message;
            }
        }
    } else {
        return decode0(context, channel, content);
    }
    return NullMessage.INSTANCE;
}