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KS > practice > ResultGreetServlet

  1. package part1.greet;
  2.  
  3. import java.io.IOException;
  4. import java.io.PrintWriter;
  5. import java.text.DateFormat;
  6. import java.text.SimpleDateFormat;
  7. import java.util.Date;
  8. import java.util.GregorianCalendar;
  9.  
  10. import javax.servlet.ServletException;
  11. import javax.servlet.http.HttpServlet;
  12. import javax.servlet.http.HttpServletRequest;
  13. import javax.servlet.http.HttpServletResponse;
  14.  
  15. /**
  16.  * Servlet implementation class ResultGreetServlet
  17.  */
  18. public class ResultGreetServlet extends HttpServlet {
  19. 	private static final long serialVersionUID = 1L;
  20.  
  21. 	Date now = new Date();
  22.  
  23. 	private final DateFormat year = new SimpleDateFormat("yyyy");
  24. 	private final DateFormat month = new SimpleDateFormat("MM");
  25. 	private final DateFormat day = new SimpleDateFormat("dd");
  26. 	private final int yy = Integer.parseInt(year.format(now));
  27. 	private final int mm = Integer.parseInt(month.format(now)) - 1;
  28. 	private int dd = Integer.parseInt(day.format(now));
  29.  
  30. 	// おはようございます
  31. 	private final Date morning_after = new GregorianCalendar(yy, mm, dd, 05, 29, 59).getTime();
  32. 	private final Date morning_before = new GregorianCalendar(yy, mm, dd, 11, 00, 00).getTime();
  33. 	// こんにちは
  34. 	private final Date daytime_after = new GregorianCalendar(yy, mm, dd, 10, 59, 59).getTime();
  35. 	private final Date daytime_before = new GregorianCalendar(yy, mm, dd, 17, 00, 00).getTime();
  36. 	// こんばんは
  37. 	private final Date night_after = new GregorianCalendar(yy, mm, dd, 16, 59, 59).getTime();
  38. 	private final Date night_before = new GregorianCalendar(yy, mm, dd, 21, 30, 00).getTime();
  39. 	// おやすみなさい
  40. 	private final Date sleep_today_after = new GregorianCalendar(yy, mm, dd, 21, 29, 59).getTime();
  41. 	private final Date sleep_today_before = new GregorianCalendar(yy, mm, dd + 1, 00, 00, 00).getTime();
  42. 	private final Date sleep_nextday_after = new GregorianCalendar(yy, mm, dd - 1, 23, 59, 59).getTime();
  43. 	private final Date sleep_nextday_before = new GregorianCalendar(yy, mm, dd, 01, 30, 00).getTime();
  44.  
  45. 	private String choicePhrase(Date now) throws IsSleepingException {
  46.  
  47. 		String phrase = null;
  48.  
  49. 		if (now.after(morning_after) && now.before(morning_before)) {
  50. 			phrase = "おはようございます";
  51. 		} else if (now.after(daytime_after) && now.before(daytime_before)) {
  52. 			phrase = "こんにちは";
  53. 		} else if (now.after(night_after) && now.before(night_before)) {
  54. 			phrase = "こんばんは";
  55. 		} else if (now.after(sleep_today_after)
  56. 				&& now.before(sleep_today_before)
  57. 				|| now.after(sleep_nextday_after)
  58. 				&& now.before(sleep_nextday_before)) {
  59. 			phrase = "おやすみなさい";
  60. 		} else {
  61. 			throw new IsSleepingException();
  62. 		}
  63.  
  64. 		return phrase;
  65. 	}
  66.  
  67. 	protected void doPost(HttpServletRequest request,
  68. 			HttpServletResponse response) throws ServletException, IOException {
  69. 		request.setCharacterEncoding("UTF-8");
  70. 		response.setContentType("text/html;charset=UTF-8");
  71. 		String name = request.getParameter("name");
  72.  
  73. 		if (name.equals("")) {
  74. 			String url = "/j2eepractice/entryGreet.do";
  75. 			response.sendRedirect(url);
  76. 			return;
  77. 		}
  78. 		PrintWriter out = response.getWriter();
  79.  
  80. 		DateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  81.  
  82. 		out.println("<html><head></head><body><center>");
  83. 		out.println("表示日時: " + format.format(now));
  84. 		out.println("<br/>");
  85.  
  86. 		try {
  87. 			out.println(choicePhrase(now) + "、 " + name + "さん。");
  88. 		} catch (IsSleepingException e) {
  89. 			out.println("就寝中です!");
  90. 		}
  91. 		out.println("</center></body></html>");
  92.  
  93. 	}
  94.  
  95. }
  96.  
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最終更新：2013年05月27日 21:24