import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class App {
    private static ServerSocket server;

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        System.out.println("正在创建服务器……");
        try {
            server = new ServerSocket(10086);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            System.out.println("创建服务器时出现异常（IOException）！");
            return;
        }
        System.out.println("服务器已建立。");
        new Waiter();
    }

    private static class Waiter implements Runnable {
        Thread thread;
        Socket socket;
        InputStream reader;
        OutputStream writer;
        int info = 0;

        public Waiter() {
            thread = new Thread(this);
            thread.start();
        }

        @Override
        public void run() {
            // TODO Auto-generated method stub
            System.out.println("正在等待客户端连接……");
            try {
                socket = server.accept();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                System.out.println("等待客户端连接时出现异常（IOException）！");
                return;
            }
            System.out.println("客户端已连接。");

            System.out.println("正在获取I/O通道……");
            try {
                /*reader = new BufferedReader(new InputStreamReader(
                        socket.getInputStream()));*/
                reader = socket.getInputStream();
                /*writer = new BufferedWriter(new OutputStreamWriter(
                        socket.getOutputStream()));*/
                writer = socket.getOutputStream();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                System.out.println("获取I/O通道时出现异常（IOException）！");
                return;
            }
            System.out.println("成功获取I/O通道。");
            
            System.out.println("正在输出信息……");
            try {
                writer.write(9);
            } catch (IOException e) {
                // TODO Auto-generated catch block
                System.out.println("输出信息时出现异常（IOException）！");
                return;
            }
            System.out.println("成功输出信息：9。");
            
            System.out.println("正在等待输入信息……");
            try {
                while(reader.available()<1);
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                System.out.println("等待输入信息时出现异常（IOException）！");
                return;
            }
            
            System.out.println("有输入信息。正在读取……");
            try {
                info = reader.read();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                System.out.println("读取输入信息时出现异常（IOException）！");
                return;
            }
            System.out.println("成功读取输入信息。读取到的数据是：" + Integer.toString(info));
            
            System.out.println("正在关闭socket……");
            try {
                socket.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                System.out.println("关闭socket时出现异常（IOException）！");
                return;
            }
            System.out.println("socket已关闭。");
            
            System.out.println("正在关闭服务器……");
            try {
                server.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                System.out.println("关闭服务器时出现异常（IOException）！");
                return;
            }
            System.out.println("服务器已关闭。");
        }

    }
}