inn.eatery.clientTest.Client.java Source code

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Here is the source code for inn.eatery.clientTest.Client.java

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/*
 * 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 inn.eatery.clientTest;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
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.ClientCookieEncoder;
import io.netty.handler.codec.http.DefaultCookie;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.FullHttpRequest;
import io.netty.handler.codec.http.HttpClientCodec;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpObjectAggregator;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpRequestDecoder;
import io.netty.handler.codec.http.HttpRequestEncoder;
import io.netty.handler.codec.http.HttpResponseDecoder;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;

import java.io.StringWriter;
import java.net.URI;

import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A simple HTTP client that prints out the content of the HTTP response to {@link System#out} to test {@link HttpSnoopServer}.
 */
public final class Client {
    static final String URL = System.getProperty("url", "http://127.0.0.1:8080/events");

    static final Logger l = LoggerFactory.getLogger(Client.class);

    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)) {
            l.warn("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 ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline p = ch.pipeline();
                    //p.addLast(new HttpClientCodec());
                    p.addLast("decoder", new HttpResponseDecoder());
                    p.addLast("encoder", new HttpRequestEncoder());

                    // Remove the following line if you don't want automatic content decompression.
                    // p.addLast(new HttpContentDecompressor());

                    // Uncomment the following line if you don't want to handle HttpContents.
                    //p.addLast(new HttpObjectAggregator(1048576));

                    p.addLast(new ClientHandler());
                }
            });

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

            ClientHandler.pubEvent(ch, ClientHandler.event);

            // Wait for the server to close the connection.
            ch.closeFuture().sync();
            l.info("Closing Client side Connection !!!");
        } finally {
            // Shut down executor threads to exit.
            group.shutdownGracefully();
        }
    }
}