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  1. def timez = ['2017-12-11T13:11:51.728Z', '2017-12-11T13:21:51.728Z', '2017-12-11T13:30:00.000Z']
  2. def dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"
  3. def roundValue = 15
  4. //Change timezone if needed
  5. def tz = 'IST'
  6.  
  7. TimeZone.setDefault(TimeZone.getTimeZone(tz))
  8.  
  9. Calendar calendar = Calendar.getInstance()
  10.  
  11. def getNearestMinutes
  12. //Closure which gets called recursive
  13. getNearestMinutes = { cmin, nearMin = roundValue ->
  14. 	def tempResult = cmin % nearMin
  15. 	if ( tempResult < nearMin && (0 < (nearMin - cmin)) ) {
  16. 		return (nearMin - cmin)
  17. 	} else { 
  18. 		return getNearestMinutes(cmin, nearMin+roundValue) 
  19. 	}
  20. }
  21.  
  22.  
  23. //Loop thru times and round the time
  24. timez.each {
  25. 	calendar.time = Date.parse(dateFormat,it)
  26. 	def currentMinute = calendar.get(Calendar.MINUTE)
  27. 	def cof = currentMinute % roundValue
  28. 	if (cof) {
  29. 		currentMinute += getNearestMinutes(currentMinute)
  30. 	}
  31. 	calendar.set(Calendar.MINUTE, currentMinute )
  32. 	calendar.set(Calendar.SECOND, 0)
  33. 	calendar.set(Calendar.MILLISECOND, 0)
  34. 	println calendar.time.format(dateFormat)    
  35. }
Success #stdin #stdout 1.02s 90560KB
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2017-12-11T13:15:00.000Z
2017-12-11T13:30:00.000Z
2017-12-11T13:30:00.000Z
https://ideone.com/hA5EGK
language:
Groovy (groovy 2.5.6)
created:
8 years ago
visibility:
secret

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