Java内容重新整理删除过期的东西

Java/JavaDemo/codedemo/netty40x/echo/EchoServer.java

@@ -0,0 +1,58 @@
+package cn.aofeng.demo.netty40x.echo;
+
+import io.netty.bootstrap.ServerBootstrap;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelOption;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.nio.NioServerSocketChannel;
+
+import org.apache.commons.lang.math.NumberUtils;
+import org.apache.log4j.Logger;
+
+/**
+ * Echo服务端：将客户端发送的请求原样返回。
+ * 
+ * @author <a href="mailto:aofengblog@163.com">聂勇</a>
+ */
+public class EchoServer {
+
+    private static Logger _logger = Logger.getLogger(EchoServer.class);
+    
+    public void start(int port) {
+        EventLoopGroup boss = new NioEventLoopGroup(1);
+        EventLoopGroup worker = new NioEventLoopGroup(10);
+        ServerBootstrap bootstrap = new ServerBootstrap();
+        try {
+            bootstrap.group(boss, worker)
+                .channel(NioServerSocketChannel.class)
+                .option(ChannelOption.SO_BACKLOG, 128)
+                .childHandler(new EchoServerHandler())
+                .localAddress(port);
+            ChannelFuture bindFuture = bootstrap.bind().sync();
+            ChannelFuture closeFuture = bindFuture.channel().closeFuture().sync();
+            _logger.info( String.format("%s started and listen on %s", this.getClass().getSimpleName(), closeFuture ) );
+        } catch(Exception ex) {
+            _logger.info( String.format("%s start failed", this.getClass().getSimpleName()), ex);
+        } finally {
+            boss.shutdownGracefully();
+            worker.shutdownGracefully();
+        }
+        
+    }
+    
+    /**
+     * @param args
+     */
+    public static void main(String[] args) {
+        if (args.length != 1) {
+            _logger.error("Invalid arguments。Usage：java cn.aofeng.demo.netty40x.echo.EchoServer 8080");
+            System.exit(-1);
+        }
+        
+        int port = NumberUtils.toInt(args[0], 8080);
+        EchoServer server = new EchoServer();
+        server.start(port);
+    }
+
+}