Package com.joestelmach.natty

Examples of com.joestelmach.natty.Parser

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    public Result parse(final String string) throws DateNotParsableException {
        Date from = null;
        Date to = null;

        final Parser parser = new Parser(UTC);
        final List<DateGroup> groups = parser.parse(string);
        if (!groups.isEmpty()) {
            final List<Date> dates = groups.get(0).getDates();

            if (dates.size() >= 1) {
                from = dates.get(0);
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        if (value == null || value.isEmpty()) {
            return null;
        }

        // Parser is using local timezone with no constructor parameter passed.
        Parser parser = new Parser(TimeZone.getTimeZone("UTC"));
        List<DateGroup> r = parser.parse(value);

        if (r.isEmpty() || r.get(0).getDates().isEmpty()) {
            return null;
        }
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import java.util.List;

public class GenericDateExtractor {

    public static Date extractSingleDate(String dateString) {
        Parser parser = new Parser();
        Date extractedDate;
        List<DateGroup> groups = parser.parse(dateString);

        // quick and dirty: assume first date of first group
        List<Date> dates = groups.isEmpty() ? Collections.<Date>emptyList()
                : groups.get(0).getDates();
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  @Test
  public void test() throws Exception {
    Date reference = DateFormat.getDateInstance(DateFormat.SHORT).parse("2/20/2011");
    CalendarSource.setBaseDate(reference);
   
    Parser parser = new Parser();
    List<DateGroup> groups = parser.parse("golf tomorrow at 9 AM at pebble beach");
    Assert.assertEquals(1, groups.size());
    DateGroup group = groups.get(0);
    Assert.assertEquals(1, group.getLine());
    Assert.assertEquals(5, group.getPosition());
    Assert.assertEquals(1, group.getDates().size());
    validateDate(group.getDates().get(0), 2, 21, 2011);
    validateTime(group.getDates().get(0), 9, 0, 0);
   
    groups = parser.parse("golf with friends tomorrow at 10 ");
    Assert.assertEquals(1, groups.size());
    group = groups.get(0);
    Assert.assertEquals(1, group.getLine());
    Assert.assertEquals(18, group.getPosition());
    Assert.assertEquals(1, group.getDates().size());
    validateDate(group.getDates().get(0), 2, 21, 2011);
    validateTime(group.getDates().get(0), 10, 0, 0);
   
    parser = new Parser();
    groups = parser.parse("golf with freinds tomorrow at 9 or Thursday at 10 am");
    Assert.assertEquals(1, groups.size());
    List<Date> dates = groups.get(0).getDates();
    Assert.assertEquals(2, dates.size());
    validateDate(dates.get(0), 2, 21, 2011);
    validateTime(dates.get(0), 9, 0, 0);
    validateDate(dates.get(1), 2, 24, 2011);
    validateTime(dates.get(1), 10, 0, 0);
   
    groups = parser.parse("golf with friends tomorrow at 9 or Thursday at 10");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(2, dates.size());
    validateDate(dates.get(0), 2, 21, 2011);
    validateTime(dates.get(0), 9, 0, 0);
    validateDate(dates.get(1), 2, 24, 2011);
    validateTime(dates.get(1), 10, 0, 0);
   
    groups = parser.parse("I want to go to park tomorrow and then email john@aol.com");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 2, 21, 2011);
   
    groups = parser.parse("I want to pay off all my debt in the next two years.");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(2, dates.size());
    validateDate(dates.get(0), 2, 20, 2011);
    validateDate(dates.get(1), 2, 20, 2013);
   
    groups = parser.parse("I want to purchase a car in the next month.");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 3, 20, 2011);
   
    groups = parser.parse("I want to plan a get-together with my friends for this Friday.");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 2, 25, 2011);
   
    groups = parser.parse("I want to lose five pounds in the next two months.");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(2, dates.size());
    validateDate(dates.get(0), 2, 20, 2011);
    validateDate(dates.get(1), 4, 20, 2011);
   
    groups = parser.parse("I want to finalize my college schedule by next week.");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 2, 27, 2011);
   
    groups = parser.parse("I want to read this weekend.");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 2, 26, 2011);
   
    groups = parser.parse("I want to travel a big chunk of world next year.");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 2, 20, 2012);
   
    groups = parser.parse("last 2 weeks");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(2, dates.size());
    validateDate(dates.get(0), 2, 20, 2011);
    validateDate(dates.get(1), 2, 6, 2011);
   
    groups = parser.parse("last 5 years");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(2, dates.size());
    validateDate(dates.get(0), 2, 20, 2011);
    validateDate(dates.get(1), 2, 20, 2006);
   
    groups = parser.parse("next 5 years");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(2, dates.size());
    validateDate(dates.get(0), 2, 20, 2011);
    validateDate(dates.get(1), 2, 20, 2016);
   
    groups = parser.parse("I want to go to my doctors appointment on May 15, 2011.");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 5, 15, 2011);
   
    groups = parser.parse("I intend to become a zombie on December, 21st 2012.");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 12, 21, 2012);
   
    groups = parser.parse("I want to hire a virtual assistant to do research for me on March 15, 2011");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 3, 15, 2011);
   
    groups = parser.parse("I want to see my mother on sunday.");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 2, 27, 2011);
   
    groups = parser.parse("I want to be able to jog 3 miles non-stop by September.");
    Assert.assertEquals(2, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDateTime(dates.get(0), 2, 20, 2011, 3, 0, 0);
    dates = groups.get(1).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 9, 1, 2011);
   
    groups = parser.parse("I want to lose 10 lbs in 10 days");
    Assert.assertEquals(2, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDateTime(dates.get(0), 2, 20, 2011, 10, 0, 0);
    dates = groups.get(1).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 3, 2, 2011);
   
    groups = parser.parse("I want to visit my grandfathers grave on December 30 2011");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 12, 30, 2011);
   
    groups = parser.parse("i want to have 1 kid this year");
    Assert.assertEquals(2, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDateTime(dates.get(0), 2, 20, 2011, 1, 0, 0);
    dates = groups.get(1).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 2, 20, 2011);
   
    groups = parser.parse("save $1000 by September");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 9, 1, 2011);
   
    groups = parser.parse("have my son play at muse music in provo UT at the 3 band cause they always have fog on the third band at 7:30");
    Assert.assertEquals(2, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDateTime(dates.get(0), 2, 20, 2011, 3, 0, 0);
    dates = groups.get(1).getDates();
    Assert.assertEquals(1, dates.size());
    validateDateTime(dates.get(0), 2, 20, 2011, 7, 30, 0);
   
    groups = parser.parse("i want to eat chinese tonight");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDateTime(dates.get(0), 2, 20, 2011, 20, 0, 0);
   
    groups = parser.parse("Watch School Spirits on June 20 on syfy channel");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 6, 20, 2011);
   
    groups = parser.parse("Watch School Spirits on June 20 on");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 6, 20, 2011);
   
    groups = parser.parse("Watch School Spirits on June 20");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 6, 20, 2011);
   
    groups = parser.parse("hillary clinton sep 13, 2013");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 9, 13, 2013);
    Assert.assertEquals(16, groups.get(0).getPosition());
    Assert.assertEquals("sep 13, 2013", groups.get(0).getText());
   
    groups = parser.parse("hillary clinton 9/13/2013");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 9, 13, 2013);
    Assert.assertEquals(16, groups.get(0).getPosition());
    Assert.assertEquals("9/13/2013", groups.get(0).getText());
   
    groups = parser.parse("hillary clintoo sep 13, 2013");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 9, 13, 2013);
    Assert.assertEquals(16, groups.get(0).getPosition());
    Assert.assertEquals("sep 13, 2013", groups.get(0).getText());
   
    groups = parser.parse("clinton sep 13 2013");
    Assert.assertEquals(1, groups.size());
    dates = groups.get(0).getDates();
    Assert.assertEquals(1, dates.size());
    validateDate(dates.get(0), 9, 13, 2013);
    Assert.assertEquals(8, groups.get(0).getPosition());
    Assert.assertEquals("sep 13 2013", groups.get(0).getText());
   
    groups = parser.parse("wedding dinner with Pam");
    Assert.assertEquals(0, groups.size());
   
    groups = parser.parse("yummy fried chicken");
    Assert.assertEquals(0, groups.size());
   
    groups = parser.parse("I am friend with Pam");
    Assert.assertEquals(0, groups.size());
   
    groups = parser.parse("bfriday blah blah");
    Assert.assertEquals(0, groups.size());
   
    groups = parser.parse("dinner bmong friends");
    Assert.assertEquals(0, groups.size());
  }
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   /**
    * Create a new {@link PrettyTimeParser} with the given {@link TimeZone}.
    */
   public PrettyTimeParser(TimeZone timezone)
   {
      parser = new Parser(timezone);
   }
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Related Classes of com.joestelmach.natty.Parser

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  • com.joestelmach.natty.generated.DateParser
  • com.joestelmach.natty.generated.DateWalker
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  • com.joestelmach.natty.SearchTest
  • io.lumify.tikaTextExtractor.GenericDateExtractor
  • org.antlr.runtime.ANTLRInputStream
  • org.antlr.runtime.CommonTokenStream
  • org.antlr.runtime.Token
  • org.antlr.runtime.TokenStream
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