io.netty.handler.codec.http.ClientCookieEncoder Java Examples

private void addCookies(Map<String, String> cookies) {
   if (cookies != null && cookies.size() > 0) {
      List<Cookie> cookieList = new ArrayList<>();
      for (String name : cookies.keySet()) {
         cookieList.add(new DefaultCookie(name, cookies.get(name)));
      }
      request.headers().set(HttpHeaders.Names.COOKIE, ClientCookieEncoder.encode(cookieList));
   }
}
 

/**
 * Standard usage of HTTP API in Netty without file Upload (get is not able to achieve File upload
 * due to limitation on request size).
 *
 * @return the list of headers that will be used in every example after
 **/
private static List<Entry<String, String>> formget(
        Bootstrap bootstrap, String host, int port, String get, URI uriSimple) throws Exception {
    // XXX /formget
    // No use of HttpPostRequestEncoder since not a POST
    Channel channel = bootstrap.connect(host, port).sync().channel();

    // Prepare the HTTP request.
    QueryStringEncoder encoder = new QueryStringEncoder(get);
    // add Form attribute
    encoder.addParam("getform", "GET");
    encoder.addParam("info", "first value");
    encoder.addParam("secondinfo", "secondvalue ���&");
    // not the big one since it is not compatible with GET size
    // encoder.addParam("thirdinfo", textArea);
    encoder.addParam("thirdinfo", "third value\r\ntest second line\r\n\r\nnew line\r\n");
    encoder.addParam("Send", "Send");

    URI uriGet = new URI(encoder.toString());
    HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, uriGet.toASCIIString());
    HttpHeaders headers = request.headers();
    headers.set(HttpHeaders.Names.HOST, host);
    headers.set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
    headers.set(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.GZIP + ',' + HttpHeaders.Values.DEFLATE);

    headers.set(HttpHeaders.Names.ACCEPT_CHARSET, "ISO-8859-1,utf-8;q=0.7,*;q=0.7");
    headers.set(HttpHeaders.Names.ACCEPT_LANGUAGE, "fr");
    headers.set(HttpHeaders.Names.REFERER, uriSimple.toString());
    headers.set(HttpHeaders.Names.USER_AGENT, "Netty Simple Http Client side");
    headers.set(HttpHeaders.Names.ACCEPT, "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");

    //connection will not close but needed
    // headers.set("Connection","keep-alive");
    // headers.set("Keep-Alive","300");

    headers.set(
            HttpHeaders.Names.COOKIE, ClientCookieEncoder.encode(
                    new DefaultCookie("my-cookie", "foo"),
                    new DefaultCookie("another-cookie", "bar"))
    );

    // send request
    List<Entry<String, String>> entries = headers.entries();
    channel.writeAndFlush(request);

    // Wait for the server to close the connection.
    channel.closeFuture().sync();

    return entries;
}
 

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.GET, 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")));

        // 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();
    }
}
 

public static void newHttpClientBootstrap(String url, ChannelHandler handler) 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 HttpDownloadertInitializer(sslCtx,handler));
		// 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.GET, uri.getRawPath());
		HttpHeaders headers = request.headers();
		headers.set(HttpHeaderNames.HOST, host);
		headers.set(HttpHeaderNames.CONNECTION,HttpHeaderValues.CLOSE);
		headers.set(HttpHeaderNames.ACCEPT_ENCODING,HttpHeaderValues.GZIP);
		// Set some example cookies.
		headers.set(HttpHeaderNames.COOKIE, ClientCookieEncoder.encode(new DefaultCookie("my-cookie", "foo")));
		ch.writeAndFlush(request);
		// Wait for the server to close the connection.
		ch.closeFuture().sync();
		Thread.sleep(1000);
	} finally {
		// Shut down executor threads to exit.
		group.shutdownGracefully();
	}	
}
 

public static void newHttpClientBootstrap(String url, ChannelHandler handler) 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 HttpDownloadertInitializer(sslCtx,handler));
		// 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.GET, uri.getRawPath());
		HttpHeaders headers = request.headers();
		headers.set(HttpHeaders.Names.HOST, host);
		headers.set(HttpHeaders.Names.CONNECTION,HttpHeaders.Values.CLOSE);
		headers.set(HttpHeaders.Names.ACCEPT_ENCODING,HttpHeaders.Values.GZIP);
		// Set some example cookies.
		headers.set(HttpHeaders.Names.COOKIE, ClientCookieEncoder.encode(new DefaultCookie("my-cookie", "foo")));
		ch.writeAndFlush(request);
		// Wait for the server to close the connection.
		ch.closeFuture().sync();
		Thread.sleep(1000);
	} finally {
		// Shut down executor threads to exit.
		group.shutdownGracefully();
	}	
}
 

public static void newHttpClientBootstrap(String url, ChannelHandler handler) 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 HttpDownloadertInitializer(sslCtx,handler));
		// 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.GET, uri.getRawPath());
		HttpHeaders headers = request.headers();
		headers.set(HttpHeaders.Names.HOST, host);
		headers.set(HttpHeaders.Names.CONNECTION,HttpHeaders.Values.CLOSE);
		headers.set(HttpHeaders.Names.ACCEPT_ENCODING,HttpHeaders.Values.GZIP);
		// Set some example cookies.
		headers.set(HttpHeaders.Names.COOKIE, ClientCookieEncoder.encode(new DefaultCookie("my-cookie", "foo")));
		ch.writeAndFlush(request);
		// Wait for the server to close the connection.
		ch.closeFuture().sync();
		Thread.sleep(1000);
	} finally {
		// Shut down executor threads to exit.
		group.shutdownGracefully();
	}	
}
 

public static void newHttpClientBootstrap(String url, ChannelHandler handler) 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 HttpDownloadertInitializer(sslCtx,handler));
		// 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.GET, uri.getRawPath());
		HttpHeaders headers = request.headers();
		headers.set(HttpHeaders.Names.HOST, host);
		headers.set(HttpHeaders.Names.CONNECTION,HttpHeaders.Values.CLOSE);
		headers.set(HttpHeaders.Names.ACCEPT_ENCODING,HttpHeaders.Values.GZIP);
		// Set some example cookies.
		headers.set(HttpHeaders.Names.COOKIE, ClientCookieEncoder.encode(new DefaultCookie("my-cookie", "foo")));
		ch.writeAndFlush(request);
		// Wait for the server to close the connection.
		ch.closeFuture().sync();
		Thread.sleep(1000);
	} finally {
		// Shut down executor threads to exit.
		group.shutdownGracefully();
	}	
}
 

public static void newHttpClientBootstrap(String url, ChannelHandler handler) 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 HttpDownloadertInitializer(sslCtx,handler));
		// 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.GET, uri.getRawPath());
		HttpHeaders headers = request.headers();
		headers.set(HttpHeaders.Names.HOST, host);
		headers.set(HttpHeaders.Names.CONNECTION,HttpHeaders.Values.CLOSE);
		headers.set(HttpHeaders.Names.ACCEPT_ENCODING,HttpHeaders.Values.GZIP);
		// Set some example cookies.
		headers.set(HttpHeaders.Names.COOKIE, ClientCookieEncoder.encode(new DefaultCookie("my-cookie", "foo")));
		ch.writeAndFlush(request);
		// Wait for the server to close the connection.
		ch.closeFuture().sync();
		Thread.sleep(1000);
	} finally {
		// Shut down executor threads to exit.
		group.shutdownGracefully();
	}	
}
 

public static void newHttpClientBootstrap(String url, ChannelHandler handler) 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 HttpDownloadertInitializer(sslCtx,handler));
		// 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.GET, uri.getRawPath());
		HttpHeaders headers = request.headers();
		headers.set(HttpHeaders.Names.HOST, host);
		headers.set(HttpHeaders.Names.CONNECTION,HttpHeaders.Values.CLOSE);
		headers.set(HttpHeaders.Names.ACCEPT_ENCODING,HttpHeaders.Values.GZIP);
		// Set some example cookies.
		headers.set(HttpHeaders.Names.COOKIE, ClientCookieEncoder.encode(new DefaultCookie("my-cookie", "foo")));
		ch.writeAndFlush(request);
		// Wait for the server to close the connection.
		ch.closeFuture().sync();
		Thread.sleep(1000);
	} finally {
		// Shut down executor threads to exit.
		group.shutdownGracefully();
	}	
}
 

public static void newHttpClientBootstrap(String url, ChannelHandler handler) 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 HttpDownloadertInitializer(sslCtx,handler));
		// 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.GET, uri.getRawPath());
		HttpHeaders headers = request.headers();
		headers.set(HttpHeaders.Names.HOST, host);
		headers.set(HttpHeaders.Names.CONNECTION,HttpHeaders.Values.CLOSE);
		headers.set(HttpHeaders.Names.ACCEPT_ENCODING,HttpHeaders.Values.GZIP);
		// Set some example cookies.
		headers.set(HttpHeaders.Names.COOKIE, ClientCookieEncoder.encode(new DefaultCookie("my-cookie", "foo")));
		ch.writeAndFlush(request);
		// Wait for the server to close the connection.
		ch.closeFuture().sync();
		Thread.sleep(1000);
	} finally {
		// Shut down executor threads to exit.
		group.shutdownGracefully();
	}	
}
 

public static void newHttpClientBootstrap(String url, ChannelHandler handler) 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 HttpDownloadertInitializer(sslCtx,handler));
		// 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.GET, uri.getRawPath());
		HttpHeaders headers = request.headers();
		headers.set(HttpHeaders.Names.HOST, host);
		headers.set(HttpHeaders.Names.CONNECTION,HttpHeaders.Values.CLOSE);
		headers.set(HttpHeaders.Names.ACCEPT_ENCODING,HttpHeaders.Values.GZIP);
		// Set some example cookies.
		headers.set(HttpHeaders.Names.COOKIE, ClientCookieEncoder.encode(new DefaultCookie("my-cookie", "foo")));
		ch.writeAndFlush(request);
		// Wait for the server to close the connection.
		ch.closeFuture().sync();
		Thread.sleep(1000);
	} finally {
		// Shut down executor threads to exit.
		group.shutdownGracefully();
	}	
}
 

public static void newHttpClientBootstrap(String url, ChannelHandler handler) 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 HttpDownloadertInitializer(sslCtx,handler));
		// 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.GET, uri.getRawPath());
		HttpHeaders headers = request.headers();
		headers.set(HttpHeaders.Names.HOST, host);
		headers.set(HttpHeaders.Names.CONNECTION,HttpHeaders.Values.CLOSE);
		headers.set(HttpHeaders.Names.ACCEPT_ENCODING,HttpHeaders.Values.GZIP);
		// Set some example cookies.
		headers.set(HttpHeaders.Names.COOKIE, ClientCookieEncoder.encode(new DefaultCookie("my-cookie", "foo")));
		ch.writeAndFlush(request);
		// Wait for the server to close the connection.
		ch.closeFuture().sync();
		Thread.sleep(1000);
	} finally {
		// Shut down executor threads to exit.
		group.shutdownGracefully();
	}	
}
 

public static void newHttpClientBootstrap(String url, ChannelHandler handler) 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 HttpDownloadertInitializer(sslCtx,handler));
		// 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.GET, uri.getRawPath());
		HttpHeaders headers = request.headers();
		headers.set(HttpHeaders.Names.HOST, host);
		headers.set(HttpHeaders.Names.CONNECTION,HttpHeaders.Values.CLOSE);
		headers.set(HttpHeaders.Names.ACCEPT_ENCODING,HttpHeaders.Values.GZIP);
		// Set some example cookies.
		headers.set(HttpHeaders.Names.COOKIE, ClientCookieEncoder.encode(new DefaultCookie("my-cookie", "foo")));
		ch.writeAndFlush(request);
		// Wait for the server to close the connection.
		ch.closeFuture().sync();
		Thread.sleep(1000);
	} finally {
		// Shut down executor threads to exit.
		group.shutdownGracefully();
	}	
}