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  1. // Main.java
  2. public class Main {
  3.     public static void main(String[] args) {
  4.         new Main();
  5.     }
  6.     public Main() {
  7.         SocketManager sm = SocketManager.getInstance();
  8.         sm.open();
  9.         sm.close();
  10.     }
  11. }
  12.  
  13. // l.java
  14. public class l {
  15.     public static void og(Object... o) {
  16.         StringBuilder sb = new StringBuilder("*");
  17.         for (int i=0; i<o.length; i++) {
  18.             sb.append(" ");
  19.             sb.append(o[i]);
  20.         }
  21.         System.out.println(sb.toString());
  22.     }
  23. }
  24.  
  25. // SocketManager.java
  26. import java.io.BufferedReader;
  27. import java.io.BufferedWriter;
  28. import java.io.IOException;
  29. import java.io.InputStream;
  30. import java.io.InputStreamReader;
  31. import java.io.OutputStreamWriter;
  32. import java.net.ServerSocket;
  33. import java.net.Socket;
  34. import java.net.SocketTimeoutException;
  35.  
  36. public class SocketManager {
  37.     private static final SocketManager instance = new SocketManager();
  38.     public static final SocketManager getInstance() {
  39.         return instance;
  40.     }
  41.  
  42.     private ServerSocket ss = null;
  43.     private InputStream is = null;
  44.     private BufferedReader br = null;
  45.     private BufferedWriter bw = null;
  46.  
  47.     private SocketManager() {
  48.         try {
  49.             ss = new ServerSocket(4321);
  50.             ss.setSoTimeout(5000);
  51.         } catch (IOException e) {
  52.             l.og("Error: 서버 소켓의 생성에 실패했습니다.");
  53.         }
  54.     }
  55.  
  56.     public void open() {
  57.         try {
  58.             l.og("Wait Client...");
  59.             Socket socket = ss.accept();
  60.             l.og("Client connected: " + socket.getInetAddress().getHostAddress());
  61.             String s;
  62.  
  63.             is = socket.getInputStream();
  64.             br = new BufferedReader(new InputStreamReader(is, "utf-8"));
  65.             while ((s=br.readLine()) != null) {
  66.                 l.og(s);
  67.                 if (s.length() == 0) break;
  68.             }
  69.             byte[] buffer = new byte[16];
  70.             for (int i=0; i<buffer.length; i++) {
  71.                 System.out.print(String.format("%02d ", i));
  72.             }
  73.             System.out.println("\tText");
  74.             for (int i=0; i<buffer.length*3-1; i++) {
  75.                 System.out.print("=");
  76.             }
  77.             System.out.print(" \t");
  78.             for (int i=0; i<buffer.length; i++) {
  79.                 System.out.print("=");
  80.             }
  81.             System.out.println();
  82.  
  83. //            l.og("Data Thread start.");
  84. //            DataThread dt = new DataThread();
  85. //            dt.start();
  86.  
  87.             int r;
  88.             while ((r=is.read(buffer)) == buffer.length) {
  89.                 if (r < 0) break;
  90.                 for (int i=0; i<buffer.length; i++) {
  91.                     System.out.print(String.format("%02x ", buffer[i]));
  92.                     switch (buffer[i]) {
  93.                         case 0:
  94.                         case 10:
  95.                         case 13:
  96.                             buffer[i] = '.';
  97.                             break;
  98.                     }
  99.                 }
  100.                 System.out.println("\t" + new String(buffer, "utf-8"));
  101.             }
  102.             for (int i=0; i<buffer.length; i++) {
  103.                 System.out.print(String.format("%02x ", buffer[i]));
  104.                 switch (buffer[i]) {
  105.                     case 0:
  106.                     case 10:
  107.                     case 13:
  108.                         buffer[i] = '.';
  109.                         break;
  110.                 }
  111.             }
  112.             System.out.println("\t" + new String(buffer, "utf-8"));
  113.  
  114.             bw = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "utf-8"));
  115.             bw.write("HTTP/1.1 200 OK"); bw.newLine();
  116.             bw.write("Content-Type: text/html; Charset: UTF-8"); bw.newLine();
  117.             bw.newLine();
  118.             bw.write("<!DOCTYPE html>"); bw.newLine();
  119.             bw.write("<html>"); bw.newLine();
  120.             bw.write("\t<head>"); bw.newLine();
  121.             bw.write("\t\t<title>title</title>"); bw.newLine();
  122.             bw.write("\t\t<style>"); bw.newLine();
  123.             bw.write("\t\t\tbody {"); bw.newLine();
  124.             bw.write("\t\t\t\tmargin: 0px;"); bw.newLine();
  125.             bw.write("\t\t\t\tpadding: 0px;"); bw.newLine();
  126.             bw.write("\t\t\t\tfont-family: Dotum;"); bw.newLine();
  127.             bw.write("\t\t\t\tfont-size: 12px;"); bw.newLine();
  128.             bw.write("\t\t\t}"); bw.newLine();
  129.             bw.write("\t\t</style>"); bw.newLine();
  130.             bw.write("\t\t<script>console.log(1);</script>"); bw.newLine();
  131.             bw.write("\t</head>"); bw.newLine();
  132.             bw.write("\t<body>"); bw.newLine();
  133.             bw.write("\t\thello"); bw.newLine();
  134.             bw.write("\t</body>"); bw.newLine();
  135.             bw.write("</html>"); bw.newLine();
  136.  
  137.             bw.close();
  138.             br.close();
  139.             socket.close();
  140.             ss.close();
  141.         } catch (SocketTimeoutException e) {
  142.             l.og("Accept timeout.");
  143.         } catch (IOException e) {
  144.             e.printStackTrace();
  145.         }
  146.     }
  147.     public void close() {
  148.         if (bw != null) {
  149.             try {
  150.                 bw.close();
  151.             } catch (IOException e) {
  152.                 // TODO Auto-generated catch block
  153.                 e.printStackTrace();
  154.             }
  155.         }
  156.         if (br != null) {
  157.             try {
  158.                 br.close();
  159.             } catch (IOException e) {
  160.                 // TODO Auto-generated catch block
  161.                 e.printStackTrace();
  162.             }
  163.         }
  164.         if (ss != null && ss.isClosed() == false) {
  165.             try {
  166.                 ss.close();
  167.             } catch (IOException e) {
  168.                 // TODO Auto-generated catch block
  169.                 e.printStackTrace();
  170.             }
  171.         }
  172.     }
  173. }
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https://ideone.com/imOgvo
language:
Java (12.0.1)
created:
12 years ago
visibility:
secret

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