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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.text.SimpleDateFormat;
  7. import java.util.Date;
  8. import java.util.Locale;
  9. import java.util.TimeZone;
  10.  
  11. /* Name of the class has to be "Main" only if the class is public. */
  12. class Ideone
  13. {
  14. 	public static void main (String[] args) throws java.lang.Exception
  15. 	{
  16. 	    System.out.println(parseRFC3339Date("2007-05-01T15:43:26-07:00"));
  17. 	 	System.out.println(parseRFC3339Date("2007-05-01T15:43:26.3-07:00"));	
  18.     	System.out.println(parseRFC3339Date("2007-05-01T15:43:26.3452-07:00"));	
  19. 	    System.out.println(parseRFC3339Date("2007-05-01T15:43:26+07:00"));
  20. 	 	System.out.println(parseRFC3339Date("2007-05-01T15:43:26.3+07:00"));	
  21.     	System.out.println(parseRFC3339Date("2007-05-01T15:43:26.3452+07:00"));	
  22.     	System.out.println(parseRFC3339Date("2007-05-01T15:43:26.3452Z"));	
  23.     	System.out.println(parseRFC3339Date("2007-05-01T15:43:26.3Z"));
  24.     	System.out.println(parseRFC3339Date("2007-05-01T15:43:26Z"));	
  25. 	}
  26.  
  27. 	public synchronized static Date parseRFC3339Date(String dateString) throws java.text.ParseException, IndexOutOfBoundsException {
  28.         Date d;
  29.  
  30.         //if there is no time zone, we don't need to do any special parsing.
  31.         if (dateString.endsWith("Z")) {
  32.             try {
  33.                 SimpleDateFormat s = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.getDefault());//spec for RFC3339 with a 'Z'
  34.                 s.setTimeZone(TimeZone.getTimeZone("UTC"));
  35.                 d = s.parse(dateString);
  36.             } catch (java.text.ParseException pe) {//try again with optional decimals
  37.                 SimpleDateFormat s = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSSSS'Z'", Locale.getDefault());//spec for RFC3339 with a 'Z' and fractional seconds
  38.                 s.setTimeZone(TimeZone.getTimeZone("UTC"));
  39.                 s.setLenient(true);
  40.                 d = s.parse(dateString);
  41.             }
  42.             return d;
  43.         }
  44.  
  45.         //step one, split off the timezone.
  46.         String firstPart;
  47.         String secondPart;
  48.         if (dateString.lastIndexOf('+') == -1) {
  49.             firstPart = dateString.substring(0, dateString.lastIndexOf('-'));
  50.             secondPart = dateString.substring(dateString.lastIndexOf('-'));
  51.         } else {
  52.             firstPart = dateString.substring(0, dateString.lastIndexOf('+'));
  53.             secondPart = dateString.substring(dateString.lastIndexOf('+'));
  54.         }
  55.  
  56.         //step two, remove the colon from the timezone offset
  57.         secondPart = secondPart.substring(0, secondPart.indexOf(':')) + secondPart.substring(secondPart.indexOf(':') + 1);
  58.         dateString = firstPart + secondPart;
  59.         SimpleDateFormat s = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ", Locale.getDefault());//spec for RFC3339
  60.         try {
  61.             d = s.parse(dateString);
  62.         } catch (java.text.ParseException pe) {//try again with optional decimals
  63.             s = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSSSSZ", Locale.getDefault());//spec for RFC3339 (with fractional seconds)
  64.             s.setLenient(true);
  65.             d = s.parse(dateString);
  66.         }
  67.         return d;
  68.     }
  69. }
Success #stdin #stdout 0.18s 321472KB
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stdout
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Tue May 01 22:43:26 GMT 2007
Tue May 01 22:43:26 GMT 2007
Tue May 01 22:43:29 GMT 2007
Tue May 01 08:43:26 GMT 2007
Tue May 01 08:43:26 GMT 2007
Tue May 01 08:43:29 GMT 2007
Tue May 01 15:43:29 GMT 2007
Tue May 01 15:43:26 GMT 2007
Tue May 01 15:43:26 GMT 2007
https://ideone.com/DW4vDg
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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