package com.deepnighttwo.nettylearn.test.handler; import org.jboss.netty.channel.ChannelEvent; import org.jboss.netty.channel.ChannelHandlerContext; import org.jboss.netty.channel.ChannelUpstreamHandler; public class DummyChannelUpstreamHandler implements ChannelUpstreamHandler { public static final DummyChannelUpstreamHandler INSTANCE = new DummyChannelUpstreamHandler(); private DummyChannelUpstreamHandler() { } public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e) throws Exception { System.out.println("Upstream"); ctx.sendUpstream(e); } }