RxtxClientHandler.java — netty Source File

Source Code

/*
 * 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:
 *
 *   https://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.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;

public class RxtxClientHandler extends SimpleChannelInboundHandler<String> {

    @Override
    public void channelActive(ChannelHandlerContext ctx) {
        ctx.writeAndFlush("AT\n");
    }

    @Override
    public void channelRead0(ChannelHandlerContext ctx, String msg) throws Exception {
        if ("OK".equals(msg)) {
            System.out.println("Serial port responded to AT");
        } else {
            System.out.println("Serial port responded with not-OK: " + msg);
        }
        ctx.close();
    }
}