/* * Copyright 2013 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 io.netty.example.rxtx; import io.netty.bootstrap.Bootstrap; import io.netty.channel.ChannelFuture; import io.netty.channel.ChannelInitializer; import io.netty.channel.EventLoopGroup; import io.netty.channel.oio.OioEventLoopGroup; import io.netty.channel.rxtx.RxtxChannel; import io.netty.channel.rxtx.RxtxDeviceAddress; import io.netty.handler.codec.LineBasedFrameDecoder; import io.netty.handler.codec.string.StringDecoder; import io.netty.handler.codec.string.StringEncoder; /** * Sends one message to a serial device */ public final class RxtxClient { static final String PORT = System.getProperty("port", "/dev/ttyUSB0"); public static void main(String[] args) throws Exception { EventLoopGroup group = new OioEventLoopGroup(); try { Bootstrap b = new Bootstrap(); b.group(group) .channel(RxtxChannel.class) .handler(new ChannelInitializer<RxtxChannel>() { @Override public void initChannel(RxtxChannel ch) throws Exception { ch.pipeline().addLast( new LineBasedFrameDecoder(32768), new StringEncoder(), new StringDecoder(), new RxtxClientHandler() ); } }); ChannelFuture f = b.connect(new RxtxDeviceAddress(PORT)).sync(); f.channel().closeFuture().sync(); } finally { group.shutdownGracefully(); } } }