jars/icu4j-4_8_1_1/demos/src/com/ibm/icu/dev/demo/timescale/PivotDemo.java

   1 /*
   2  *******************************************************************************
   3  * Copyright (C) 1996-2008, International Business Machines Corporation and    *
   4  * others. All Rights Reserved.                                                *
   5  *******************************************************************************
   6  *
   7  */
   8
   9 package com.ibm.icu.dev.demo.timescale;
  10
  11 import java.util.Locale;
  12
  13 import com.ibm.icu.text.MessageFormat;
  14 import com.ibm.icu.util.Calendar;
  15 import com.ibm.icu.util.SimpleTimeZone;
  16 import com.ibm.icu.util.TimeZone;
  17 import com.ibm.icu.util.UniversalTimeScale;
  18
  19 /**
  20  * This class demonstrates how to use <code>UniversalTimeScale</code> to
  21  * convert from one local time scale to another.
  22  *
  23  * @see UniversalTimeScale
  24  */
  25 public class PivotDemo {
  26
  27     /**
  28      * The default constructor.
  29      */
  30     public PivotDemo()
  31     {
  32     }
  33
  34     /**
  35      * The <code>main()</code> method uses <code>UniversalTimeScale</code> to
  36      * convert from the Java and Unix time scales to the ICU time scale. It uses
  37      * a <code>Calendar</code> object to display the ICU time values.
  38      *
  39      * @param args the command line arguments.
  40      */
  41     public static void main(String[] args)
  42     {
  43         TimeZone utc = new SimpleTimeZone(0, "UTC");
  44         Calendar cal = Calendar.getInstance(utc, Locale.ENGLISH);
  45         MessageFormat fmt = new MessageFormat("{1} = {0, date, full} {0, time, full}");
  46         Object arguments[] = {cal, null};
  47
  48         arguments[0] = cal;
  49
  50         System.out.println("\nJava test:");
  51         cal.setTimeInMillis(UniversalTimeScale.toLong(UniversalTimeScale.from(0, UniversalTimeScale.JAVA_TIME), UniversalTimeScale.ICU4C_TIME));
  52         arguments[1] = " 000000000000000";
  53         System.out.println(fmt.format(arguments));
  54
  55         cal.setTimeInMillis(UniversalTimeScale.toLong(UniversalTimeScale.from(-62164684800000L, UniversalTimeScale.JAVA_TIME), UniversalTimeScale.ICU4C_TIME));
  56         arguments[1] = "-62164684800000L";
  57         System.out.println(fmt.format(arguments));
  58
  59         cal.setTimeInMillis(UniversalTimeScale.toLong(UniversalTimeScale.from(-62135769600000L, UniversalTimeScale.JAVA_TIME), UniversalTimeScale.ICU4C_TIME));
  60         arguments[1] = "-62135769600000L";
  61         System.out.println(fmt.format(arguments));
  62
  63         System.out.println("\nUnix test:");
  64
  65         cal.setTimeInMillis(UniversalTimeScale.toLong(UniversalTimeScale.from(0x80000000, UniversalTimeScale.UNIX_TIME), UniversalTimeScale.ICU4C_TIME));
  66         arguments[1] = "0x80000000";
  67         System.out.println(fmt.format(arguments));
  68
  69         cal.setTimeInMillis(UniversalTimeScale.toLong(UniversalTimeScale.from(0, UniversalTimeScale.UNIX_TIME), UniversalTimeScale.ICU4C_TIME));
  70         arguments[1] = "0x00000000";
  71         System.out.println(fmt.format(arguments));
  72
  73         cal.setTimeInMillis(UniversalTimeScale.toLong(UniversalTimeScale.from(0x7FFFFFFF, UniversalTimeScale.UNIX_TIME), UniversalTimeScale.ICU4C_TIME));
  74         arguments[1] = "0x7FFFFFFF";
  75         System.out.println(fmt.format(arguments));
  76
  77     }
  78 }