Java tutorial
/* * Copyright 2012 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 com.gw.services.client; import io.netty.bootstrap.Bootstrap; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; 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.codec.http.ClientCookieEncoder; import io.netty.handler.codec.http.DefaultCookie; import io.netty.handler.codec.http.DefaultFullHttpRequest; import io.netty.handler.codec.http.HttpHeaders; import io.netty.handler.codec.http.HttpMethod; import io.netty.handler.codec.http.HttpRequest; import io.netty.handler.codec.http.HttpVersion; import io.netty.util.CharsetUtil; import java.io.FileInputStream; import java.net.URI; import java.security.KeyStore; import javax.net.ssl.KeyManagerFactory; import javax.net.ssl.SSLContext; import javax.net.ssl.TrustManagerFactory; /** * A simple HTTP client that prints out the content of the HTTP response to * {@link System#out} to test {@link HttpSnoopServer}. */ public final class HttpsClient { static final String URL = System.getProperty("url", "https://10.15.44.62:8080/"); private static String CLIENT_KEY_STORE = "C:\\Certificates\\netty\\client.p12"; private static String CLIENT_TRUST_KEY_STORE = "C:\\Certificates\\netty\\client.truststore"; private static String CLIENT_KEY_STORE_PASSWORD = "123456"; private static String CLIENT_TRUST_KEY_STORE_PASSWORD = "123456"; private static final SSLContext CLIENT_CONTEXT; private static final String ALGORITHM = "SunX509"; private static final String PROTOCOL = "TLS"; static { try { KeyStore ks2 = KeyStore.getInstance("PKCS12"); ks2.load(new FileInputStream(CLIENT_KEY_STORE), CLIENT_KEY_STORE_PASSWORD.toCharArray()); KeyStore tks2 = KeyStore.getInstance("JKS"); tks2.load(new FileInputStream(CLIENT_TRUST_KEY_STORE), CLIENT_TRUST_KEY_STORE_PASSWORD.toCharArray()); // Set up key manager factory to use our key store KeyManagerFactory kmf2 = KeyManagerFactory.getInstance(ALGORITHM); TrustManagerFactory tmf2 = TrustManagerFactory.getInstance("SunX509"); kmf2.init(ks2, CLIENT_KEY_STORE_PASSWORD.toCharArray()); tmf2.init(tks2); CLIENT_CONTEXT = SSLContext.getInstance(PROTOCOL); CLIENT_CONTEXT.init(kmf2.getKeyManagers(), tmf2.getTrustManagers(), null); } catch (Exception e) { throw new Error("Failed to initialize the client-side SSLContext", e); } } public static void main(String[] args) throws Exception { URI uri = new URI(URL); String scheme = uri.getScheme() == null ? "http" : uri.getScheme(); String host = uri.getHost() == null ? "127.0.0.1" : uri.getHost(); int port = uri.getPort(); if (port == -1) { if ("http".equalsIgnoreCase(scheme)) { port = 80; } else if ("https".equalsIgnoreCase(scheme)) { port = 443; } } if (!"http".equalsIgnoreCase(scheme) && !"https".equalsIgnoreCase(scheme)) { System.err.println("Only HTTP(S) is supported."); return; } // Configure SSL context if necessary. final boolean ssl = "https".equalsIgnoreCase(scheme); final SSLContext sslCtx; if (ssl) { sslCtx = CLIENT_CONTEXT; } else { sslCtx = null; } // Configure the client. EventLoopGroup group = new NioEventLoopGroup(); try { Bootstrap b = new Bootstrap(); b.group(group).channel(NioSocketChannel.class).handler(new HttpsClientInitializer(sslCtx)); // Make the connection attempt. Channel ch = b.connect(host, port).sync().channel(); String requestBody = "{\"productId\": 11,\"userName\": \"caiwei\",\"amount\": 1000}"; ByteBuf content = Unpooled.copiedBuffer(requestBody.getBytes(CharsetUtil.UTF_8)); // Prepare the HTTP request. HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST, uri.getRawPath(), content); request.headers().set(HttpHeaders.Names.HOST, host); request.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE); request.headers().set(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.GZIP); request.headers().set(HttpHeaders.Names.CONTENT_TYPE, "application/json"); request.headers().set(HttpHeaders.Names.CONTENT_LENGTH, content.readableBytes()); // Set some example cookies. request.headers().set(HttpHeaders.Names.COOKIE, ClientCookieEncoder .encode(new DefaultCookie("my-cookie", "foo"), new DefaultCookie("another-cookie", "bar"))); // Send the HTTP request. ch.writeAndFlush(request); // Wait for the server to close the connection. ch.closeFuture().sync(); } finally { // Shut down executor threads to exit. group.shutdownGracefully(); } } }