com.lunex.inputprocessor.testdemo.HttpSnoopClient.java Source code

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Here is the source code for com.lunex.inputprocessor.testdemo.HttpSnoopClient.java

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package com.lunex.inputprocessor.testdemo;

/*
 2    * Copyright 2012 The Netty Project
 3    *
 4    * The Netty Project licenses this file to you under the Apache License,
 5    * version 2.0 (the "License"); you may not use this file except in compliance
 6    * with the License. You may obtain a copy of the License at:
 7    *
 8    *   http://www.apache.org/licenses/LICENSE-2.0
 9    *
 10   * Unless required by applicable law or agreed to in writing, software
 11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 13   * License for the specific language governing permissions and limitations
 14   * under the License.
 15   */

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.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.handler.ssl.SslContext;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;

import java.net.URI;

/**
 * A simple HTTP client that prints out the content of the HTTP response to
 * {@link System#out} to test {@link HttpSnoopServer}.
 */
public final class HttpSnoopClient {

    static final String URL = System.getProperty("url", "http://127.0.0.1:8080/");

    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 = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
        } else {
            sslCtx = null;
        }

        // Configure the client.
        EventLoopGroup group = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(group).channel(NioSocketChannel.class).handler(new HttpSnoopClientInitializer(sslCtx));

            // Make the connection attempt.
            Channel ch = b.connect(host, port).sync().channel();

            // Prepare the HTTP request.
            HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST,
                    uri.getRawPath());
            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);

            // Set some example cookies.
            request.headers().set(HttpHeaders.Names.COOKIE, ClientCookieEncoder
                    .encode(new DefaultCookie("my-cookie", "foo"), new DefaultCookie("another-cookie", "bar")));
            String json = "{\"foo\":\"bar\"}";
            request.headers().set("json", json);
            // 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();
        }
    }
}