Java tutorial
/* * Copyright 2014 Yahoo! Inc. 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. See accompanying LICENSE file. */ package com.yahoo.ads.pb.network.netty; import io.netty.bootstrap.Bootstrap; import io.netty.channel.Channel; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.nio.NioSocketChannel; import io.netty.handler.ssl.SslContext; import io.netty.handler.ssl.util.InsecureTrustManagerFactory; import java.util.Arrays; import java.util.List; import com.yahoo.ads.pb.network.netty.NettyPistachioProtocol.*; /** * Sends a list of continent/city pairs to a {@link NettyPistachioServer} to * get the local times of the specified cities. */ public final class NettyPistachioClient { static final boolean SSL = System.getProperty("ssl") != null; static final String HOST = System.getProperty("host", "127.0.0.1"); static final int PORT = Integer.parseInt(System.getProperty("port", "8463")); static final List<String> CITIES = Arrays .asList(System.getProperty("cities", "Asia/Seoul,Europe/Berlin,America/Los_Angeles").split(",")); public static void main(String[] args) throws Exception { // Configure SSL. final SslContext sslCtx; if (SSL) { sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE); } else { sslCtx = null; } System.out.println("start test"); EventLoopGroup group = new NioEventLoopGroup(); try { Bootstrap b = new Bootstrap(); b.group(group).channel(NioSocketChannel.class).handler(new NettyPistachioClientInitializer(sslCtx)); // Make a new connection. Channel ch = b.connect(HOST, PORT).sync().channel(); // Get the handler instance to initiate the request. NettyPistachioClientHandler handler = ch.pipeline().get(NettyPistachioClientHandler.class); // Request and get the response. Response res = handler.lookup(12345L); // Close the connection. ch.close(); // Print the response at last but not least. System.out.println("response: " + res.getData()); } finally { group.shutdownGracefully(); } } }