79 lines
3.1 KiB
Java
79 lines
3.1 KiB
Java
/*
|
|
* Copyright 2012 The Netty Project
|
|
*
|
|
* The Netty Project licenses this file to you under the Apache License,
|
|
* version 2.0 (the "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at:
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
package org.jboss.netty.example.local;
|
|
|
|
import org.jboss.netty.channel.ChannelDownstreamHandler;
|
|
import org.jboss.netty.channel.ChannelEvent;
|
|
import org.jboss.netty.channel.ChannelHandlerContext;
|
|
import org.jboss.netty.channel.ChannelPipeline;
|
|
import org.jboss.netty.channel.ChannelPipelineFactory;
|
|
import org.jboss.netty.channel.ChannelUpstreamHandler;
|
|
import org.jboss.netty.channel.Channels;
|
|
import org.jboss.netty.channel.MessageEvent;
|
|
import org.jboss.netty.handler.codec.string.StringDecoder;
|
|
import org.jboss.netty.handler.codec.string.StringEncoder;
|
|
import org.jboss.netty.handler.execution.ExecutionHandler;
|
|
|
|
import java.util.concurrent.Executor;
|
|
|
|
public class LocalServerPipelineFactory implements ChannelPipelineFactory {
|
|
|
|
private final ExecutionHandler executionHandler;
|
|
|
|
public LocalServerPipelineFactory(Executor eventExecutor) {
|
|
executionHandler = new ExecutionHandler(eventExecutor);
|
|
}
|
|
|
|
public ChannelPipeline getPipeline() throws Exception {
|
|
final ChannelPipeline pipeline = Channels.pipeline();
|
|
pipeline.addLast("decoder", new StringDecoder());
|
|
pipeline.addLast("encoder", new StringEncoder());
|
|
pipeline.addLast("executor", executionHandler);
|
|
pipeline.addLast("handler", new EchoCloseServerHandler());
|
|
return pipeline;
|
|
}
|
|
|
|
static class EchoCloseServerHandler implements ChannelUpstreamHandler, ChannelDownstreamHandler {
|
|
public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e)
|
|
throws Exception {
|
|
if (e instanceof MessageEvent) {
|
|
final MessageEvent evt = (MessageEvent) e;
|
|
String msg = (String) evt.getMessage();
|
|
if ("quit".equalsIgnoreCase(msg)) {
|
|
Channels.close(e.getChannel());
|
|
return;
|
|
}
|
|
}
|
|
ctx.sendUpstream(e);
|
|
}
|
|
|
|
public void handleDownstream(ChannelHandlerContext ctx, ChannelEvent e) {
|
|
if (e instanceof MessageEvent) {
|
|
final MessageEvent evt = (MessageEvent) e;
|
|
String msg = (String) evt.getMessage();
|
|
if ("quit".equalsIgnoreCase(msg)) {
|
|
Channels.close(e.getChannel());
|
|
return;
|
|
}
|
|
System.err.println("SERVER:" + msg);
|
|
// Write back
|
|
Channels.write(e.getChannel(), msg);
|
|
}
|
|
ctx.sendDownstream(e);
|
|
}
|
|
}
|
|
}
|