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1   /*
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   */
16  package io.netty.example.http.file;
17  
18  import io.netty.bootstrap.ServerBootstrap;
19  import io.netty.channel.Channel;
20  import io.netty.channel.EventLoopGroup;
21  import io.netty.channel.nio.NioEventLoopGroup;
22  import io.netty.channel.socket.nio.NioServerSocketChannel;
23  import io.netty.handler.logging.LogLevel;
24  import io.netty.handler.logging.LoggingHandler;
25  import io.netty.handler.ssl.SslContext;
26  import io.netty.handler.ssl.SslContextBuilder;
27  import io.netty.handler.ssl.SslProvider;
28  import io.netty.handler.ssl.util.SelfSignedCertificate;
29  
30  public final class HttpStaticFileServer {
31  
32      static final boolean SSL = System.getProperty("ssl") != null;
33      static final int PORT = Integer.parseInt(System.getProperty("port", SSL? "8443" : "8080"));
34  
35      public static void main(String[] args) throws Exception {
36          // Configure SSL.
37          final SslContext sslCtx;
38          if (SSL) {
39              SelfSignedCertificate ssc = new SelfSignedCertificate();
40              sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
41                  .sslProvider(SslProvider.JDK).build();
42          } else {
43              sslCtx = null;
44          }
45  
46          EventLoopGroup bossGroup = new NioEventLoopGroup(1);
47          EventLoopGroup workerGroup = new NioEventLoopGroup();
48          try {
49              ServerBootstrap b = new ServerBootstrap();
50              b.group(bossGroup, workerGroup)
51               .channel(NioServerSocketChannel.class)
52               .handler(new LoggingHandler(LogLevel.INFO))
53               .childHandler(new HttpStaticFileServerInitializer(sslCtx));
54  
55              Channel ch = b.bind(PORT).sync().channel();
56  
57              System.err.println("Open your web browser and navigate to " +
58                      (SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');
59  
60              ch.closeFuture().sync();
61          } finally {
62              bossGroup.shutdownGracefully();
63              workerGroup.shutdownGracefully();
64          }
65      }
66  }