Add statr of work on HTTP client.

http/pom.xml

@@ -31,5 +31,10 @@
             <version>4.11</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>14.0.1</version>
+        </dependency>
     </dependencies>
 </project>

http/src/main/java/net/md_5/bungee/http/HttpClient.java

@@ -1,5 +1,57 @@
 package net.md_5.bungee.http;
 
+import com.google.common.base.Preconditions;
+import io.netty.bootstrap.Bootstrap;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.socket.nio.NioSocketChannel;
+import io.netty.handler.codec.http.DefaultHttpRequest;
+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 java.net.URI;
+import java.net.URISyntaxException;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
 public class HttpClient
 {
+
+    private final EventLoopGroup eventLoop;
+
+    public void get(String url)
+    {
+        URI uri = null;
+        try
+        {
+            uri = new URI( url );
+        } catch ( URISyntaxException ex )
+        {
+            throw new IllegalArgumentException( "Could not parse url " + url, ex );
+        }
+
+        Preconditions.checkNotNull( uri.getScheme(), "scheme" );
+        Preconditions.checkNotNull( uri.getHost(), "host" );
+        boolean ssl = false;
+        int port = uri.getPort();
+        if ( port == -1 )
+        {
+            switch ( uri.getScheme() )
+            {
+                case "http":
+                    port = 80;
+                    break;
+                case "https":
+                    port = 443;
+                    break;
+                default:
+                    throw new IllegalArgumentException( "Unknown scheme " + uri.getScheme() );
+            }
+        }
+
+        new Bootstrap().channel( NioSocketChannel.class ).group( eventLoop ).handler( new HttpInitializer( url, port, ssl ) ).remoteAddress( uri.getHost(), port ).connect();
+
+        HttpRequest request = new DefaultHttpRequest( HttpVersion.HTTP_1_1, HttpMethod.GET, uri.getRawPath() );
+        request.headers().set( HttpHeaders.Names.HOST, uri.getHost() );
+    }
 }

http/src/main/java/net/md_5/bungee/http/HttpInitializer.java

@@ -0,0 +1,30 @@
+package net.md_5.bungee.http;
+
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelInitializer;
+import io.netty.handler.codec.http.HttpClientCodec;
+import io.netty.handler.ssl.SslHandler;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLEngine;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+public class HttpInitializer extends ChannelInitializer<Channel>
+{
+
+    private final String host;
+    private final int port;
+    private final boolean ssl;
+
+    @Override
+    protected void initChannel(Channel ch) throws Exception
+    {
+        if ( ssl )
+        {
+            SSLContext context = SSLContext.getDefault();
+            SSLEngine engine = context.createSSLEngine( host, port );
+            ch.pipeline().addLast( "ssl", new SslHandler( engine ) );
+        }
+        ch.pipeline().addLast( "http", new HttpClientCodec() );
+    }
+}