ebfc4513e0
Please note that the build will fail at the moment due to various checkstyle violations which should be fixed soon
100 lines
3.8 KiB
Java
Executable File
100 lines
3.8 KiB
Java
Executable File
/*
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* Copyright 2011 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.example.iostream;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import io.netty.bootstrap.ClientBootstrap;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelFuture;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.ChannelPipeline;
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import io.netty.channel.ChannelPipelineFactory;
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import io.netty.channel.DefaultChannelPipeline;
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import io.netty.channel.MessageEvent;
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import io.netty.channel.SimpleChannelHandler;
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import io.netty.channel.iostream.IOStreamAddress;
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import io.netty.channel.iostream.IOStreamChannelFactory;
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import io.netty.handler.codec.frame.DelimiterBasedFrameDecoder;
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import io.netty.handler.codec.frame.Delimiters;
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import io.netty.handler.codec.string.StringDecoder;
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import io.netty.handler.codec.string.StringEncoder;
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/**
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* An example demonstrating the use of the {@link io.netty.channel.iostream.IOStreamChannel}.
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*/
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public class IOStream {
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private static volatile boolean running = true;
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public static void main(String[] args) {
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final ExecutorService executorService = Executors.newCachedThreadPool();
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final ClientBootstrap bootstrap = new ClientBootstrap(new IOStreamChannelFactory(executorService));
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// Configure the event pipeline factory.
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bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
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@Override
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public ChannelPipeline getPipeline() throws Exception {
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DefaultChannelPipeline pipeline = new DefaultChannelPipeline();
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pipeline.addLast("framer", new DelimiterBasedFrameDecoder(8192, Delimiters.lineDelimiter()));
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pipeline.addLast("decoder", new StringDecoder());
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pipeline.addLast("encoder", new StringEncoder());
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pipeline.addLast("loggingHandler", new SimpleChannelHandler() {
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@Override
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public void messageReceived(final ChannelHandlerContext ctx, final MessageEvent e)
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throws Exception {
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final String message = (String) e.getMessage();
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synchronized (System.out) {
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e.getChannel().write("Message received: " + message);
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}
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if ("exit".equals(message)) {
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IOStream.running = false;
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}
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super.messageReceived(ctx, e);
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}
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}
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);
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return pipeline;
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}
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});
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// Make a new connection.
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ChannelFuture connectFuture = bootstrap.connect(new IOStreamAddress(System.in, System.out));
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// Wait until the connection is made successfully.
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Channel channel = connectFuture.awaitUninterruptibly().getChannel();
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while (running) {
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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// Close the connection.
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channel.close().awaitUninterruptibly();
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// Shut down all thread pools to exit.
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bootstrap.releaseExternalResources();
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}
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}
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