Date Time Range Parser is a natural language events date time interval parser written in Scala.
It was designed to understand multiple ways of defining events occurrence from human style events text description that you usually get when crawling event provider web sites.
SBT
libraryDependencies += "uk.vitalcode" % "date-time-range-parser_2.12" % "0.0.5"Maven
<dependency>
<groupId>uk.vitalcode</groupId>
<artifactId>date-time-range-parser_2.12</artifactId>
<version>0.0.5</version>
</dependency>Gradle
compile 'uk.vitalcode:date-time-range-parser_2.12:0.0.5'
import uk.vitalcode.dateparser.DateTimeInterval
scala> DateTimeInterval.of("February, 23 17:25 - 18:05")
res0: List[uk.vitalcode.dateparser.DateTimeInterval] = List(
interval[from: 2018-02-23T17:25:00 to: 2018-02-23T18:05:00])
scala> DateTimeInterval.of("1 Jan 2017 - 3 Jan 2017 11:00 13:00")
res1: List[uk.vitalcode.dateparser.DateTimeInterval] = List(
interval[from: 2017-01-01T11:00:00 to: 2017-01-01T13:00:00],
interval[from: 2017-01-02T11:00:00 to: 2017-01-02T13:00:00],
interval[from: 2017-01-03T11:00:00 to: 2017-01-03T13:00:00])
scala> DateTimeInterval.of("1 Jan 2016 - 4 Jan 2016 Monday 11:00 13:00 Tuesday 14:00 15:00 Friday 16:05 17:20 Sunday 19:30 20:45")
res2: List[uk.vitalcode.dateparser.DateTimeInterval] = List(
interval[from: 2016-01-01T16:05:00 to: 2016-01-01T17:20:00],
interval[from: 2016-01-03T19:30:00 to: 2016-01-03T20:45:00],
interval[from: 2016-01-04T11:00:00 to: 2016-01-04T13:00:00])
scala> DateTimeInterval.of("Thu 15 September 7:45pm 8:50pm Fri 16 September 7:45pm - 20:45 Sat 17 October 7:45pm to 21:10")
res3: List[uk.vitalcode.dateparser.DateTimeInterval] = List(
interval[from: 2017-09-15T19:45:00 to: 2017-09-15T20:50:00],
interval[from: 2017-09-16T19:45:00 to: 2017-09-16T20:45:00],
interval[from: 2017-10-17T19:45:00 to: 2017-10-17T21:10:00])
See more examples here
Date Time Range Parser is released under the MIT license. See LICENSE for details.