com.phei.netty.chapter10.xml.client.HttpXmlClient.java Source code

Introduction

Here is the source code for com.phei.netty.chapter10.xml.client.HttpXmlClient.java

Source

/*
 * Copyright 2013-2018 Lilinfeng.
 *  
 * Licensed 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 com.phei.netty.chapter10.xml.client;

import com.phei.netty.chapter10.xml.codec.HttpXmlRequestEncoder;
import com.phei.netty.chapter10.xml.codec.HttpXmlResponseDecoder;
import com.phei.netty.chapter10.xml.pojo.Order;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.http.HttpObjectAggregator;
import io.netty.handler.codec.http.HttpRequestEncoder;
import io.netty.handler.codec.http.HttpResponseDecoder;

import java.net.InetSocketAddress;

/**
 * @author lilinfeng
 * @version 1.0
 * @date 2014214
 */
public class HttpXmlClient {

    /**
     * @param args
     * @throws Exception
     */
    public static void main(String[] args) throws Exception {
        int port = 8080;
        if (args != null && args.length > 0) {
            try {
                port = Integer.valueOf(args[0]);
            } catch (NumberFormatException e) {
                // 
            }
        }
        new HttpXmlClient().connect(port);
    }

    public void connect(int port) throws Exception {
        // ?NIO
        EventLoopGroup group = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                    .handler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        public void initChannel(SocketChannel ch) throws Exception {
                            ch.pipeline().addLast("http-decoder", new HttpResponseDecoder());
                            ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(65536));
                            // XML?
                            ch.pipeline().addLast("xml-decoder", new HttpXmlResponseDecoder(Order.class, true));
                            ch.pipeline().addLast("http-encoder", new HttpRequestEncoder());
                            ch.pipeline().addLast("xml-encoder", new HttpXmlRequestEncoder());
                            ch.pipeline().addLast("xmlClientHandler", new HttpXmlClientHandler());
                        }
                    });

            // ??
            ChannelFuture f = b.connect(new InetSocketAddress(port)).sync();

            // 
            f.channel().closeFuture().sync();
        } finally {
            // NIO
            group.shutdownGracefully();
        }
    }
}