Java tutorial
/** * This software is released under the University of Illinois/Research and Academic Use License. See * the LICENSE file in the root folder for details. Copyright (c) 2016 * * Developed by: The Cognitive Computation Group University of Illinois at Urbana-Champaign * http://cogcomp.org/ */ package edu.illinois.cs.cogcomp.temporal.normalizer.main.timex2interval; import org.joda.time.DateTime; import org.joda.time.Interval; import org.joda.time.format.DateTimeFormat; import org.joda.time.format.DateTimeFormatter; import java.util.regex.*; import static edu.illinois.cs.cogcomp.temporal.normalizer.main.timex2interval.KnowledgeBase.*; /** * This class provides normalizer for temporal phrases that are anchored to certain dates (may not be DCT). * For example, "after xxx" */ public class RelativeDate { public static DateMapping temp = DateMapping.getInstance(); /** * This function converts phrase that contains a relative date: more than xxx, etc * @param start anchor time * @param phrase * @return */ public static TimexChunk Relativerule(DateTime start, String phrase) { int numterm; int flag_ago = 0; int i; int year; int month; int day; DateTime finish; String temp1; String temp2; String temp3; int amount; Interval interval; interval = new Interval(start, start); phrase = phrase.toLowerCase(); phrase = phrase.trim(); TimexChunk tc = new TimexChunk(); if (phrase.equals("recently") || phrase.equals("recent") || phrase.equals("past") || phrase.equals("at time") || phrase.equals("previously")) { tc.addAttribute(TimexNames.type, TimexNames.DATE); tc.addAttribute(TimexNames.value, TimexNames.PAST_REF); return tc; } if (phrase.contains("future")) { tc.addAttribute(TimexNames.type, TimexNames.DATE); tc.addAttribute(TimexNames.value, TimexNames.FUTURE_REF); return tc; } // Handle some special cases if (phrase.endsWith("earlier")) { phrase = phrase.replace("earlier", "ago"); phrase = phrase.trim(); } if (phrase.contains("ago")) { phrase = phrase.replaceAll("ago", ""); phrase = "last " + phrase; flag_ago = 1; } if (phrase.contains("later")) { phrase = phrase.replaceAll("later", ""); phrase = "after " + phrase; } if (phrase.contains("after")) { phrase = phrase.replaceAll("after", ""); phrase = "after " + phrase; } if (phrase.contains("more than")) { phrase = phrase.replaceAll("more than", "after"); } if (phrase.contains("less than")) { phrase = phrase.replaceAll("less than", "in"); } if (phrase.contains("last decade")) { phrase = phrase.replaceAll("last decade", "last ten years"); } if (phrase.contains("next decade")) { phrase = phrase.replaceAll("next decade", "next ten years"); } String patternStr = "\\s*(" + positionTerm + "|" + shiftIndicator + ")\\s*((?:\\d{1,4}|" + number + ")\\s*(?:" + number + ")?)\\s*(" + dateUnit + "|" + timeUnit + ")\\s*\\w*"; Pattern pattern = Pattern.compile(patternStr); Matcher matcher = pattern.matcher(phrase); boolean matchFound = matcher.find(); DateTimeFormatter fmt = DateTimeFormat.forPattern("yyyy-MM-dd"); DateTimeFormatter ymFmt = DateTimeFormat.forPattern("yyyy-MM"); DateTimeFormatter yFmt = DateTimeFormat.forPattern("yyyy"); if (matchFound) { for (i = 1; i <= 3; i++) { if (matcher.group(i) == null) { i--; break; } } if (i == 4) { i--; } numterm = i; if (numterm == 3) { temp1 = matcher.group(1); temp2 = matcher.group(2); temp3 = matcher.group(3); amount = Integer.parseInt(converter(temp2)); if (temp1.equals("last") || temp1.equals("past") || temp1.equals("previous") || temp1.equals("since") || temp1.equals("this") || temp1.equals("recent")) { if (flag_ago == 0) { if (temp3.equals("years") || temp3.equals("year")) { finish = start.minusYears(amount); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); finish = new DateTime(start.getYear(), start.getMonthOfYear(), start.getDayOfMonth(), 0, 0, 0, 0); start = new DateTime(year, month, day, 0, 0, 0, 0); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "Y"); return tc; } else if (temp3.equals("day") || temp3.equals("days")) { finish = start.minusDays(amount); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); finish = new DateTime(start.getYear(), start.getMonthOfYear(), start.getDayOfMonth(), 0, 0, 0, 0); start = new DateTime(year, month, day, 0, 0, 0, 0); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "D"); return tc; } else if (temp3.equals("month") || temp3.equals("months")) { finish = start.minusMonths(amount); year = start.getYear(); month = start.getMonthOfYear(); day = start.getDayOfMonth(); start = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), 0, 0, 0, 0); finish = new DateTime(year, month, day, 0, 0, 0, 0); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "M"); return tc; } else if (temp3.equals("week") || temp3.equals("weeks")) { finish = start.minusWeeks(amount); year = start.getYear(); month = start.getMonthOfYear(); day = start.getDayOfMonth(); start = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), 0, 0, 0, 0); finish = new DateTime(year, month, day, 0, 0, 0, 0); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "W"); return tc; } else if (temp3.equals("decade") || temp3.equals("decades")) { finish = start.minusYears(amount * 10); year = start.getYear(); month = start.getMonthOfYear(); day = start.getDayOfMonth(); start = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), 0, 0, 0, 0); finish = new DateTime(year, month, day, 0, 0, 0, 0); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "DE"); return tc; } else if (temp3.equals("century") || temp3.equals("centuries")) { finish = start.minusYears(amount * 100); year = start.getYear(); month = start.getMonthOfYear(); day = start.getDayOfMonth(); start = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), 0, 0, 0, 0); finish = new DateTime(year, month, day, 0, 0, 0, 0); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "CE"); return tc; } else if (temp3.equals("hour") || temp3.equals("hours")) { finish = start.minusHours(amount); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "H"); return tc; } else if (temp3.equals("minute") || temp3.equals("minutes")) { finish = start.minusMinutes(amount); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "M"); return tc; } else if (temp3.equals("second") || temp3.equals("seconds")) { finish = start.minusSeconds(amount); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "S"); return tc; } } else { flag_ago = 0; if (temp3.equals("years") || temp3.equals("year")) { finish = start.minusYears(amount); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); start = new DateTime(year, 1, 1, 0, 0, 0, 0); finish = new DateTime(year, 12, 31, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DATE); tc.addAttribute(TimexNames.value, yFmt.print(finish)); return tc; } else if (temp3.equals("day") || temp3.equals("days")) { finish = start.minusDays(amount); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); finish = new DateTime(year, month, day, 23, 59, 59, 59); start = new DateTime(year, month, day, 0, 0, 0, 0); tc.addAttribute(TimexNames.type, TimexNames.DATE); tc.addAttribute(TimexNames.value, fmt.print(finish)); return tc; } else if (temp3.equals("month") || temp3.equals("months")) { finish = start.minusMonths(amount); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.dayOfMonth().getMaximumValue(); start = new DateTime(year, month, 1, 0, 0, 0, 0); finish = new DateTime(year, month, day, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DATE); tc.addAttribute(TimexNames.value, ymFmt.print(finish)); return tc; } else if (temp3.equals("week") || temp3.equals("weeks")) { finish = start.minusWeeks(amount); start = finish.minusWeeks(amount + 1); year = start.getYear(); month = start.getMonthOfYear(); day = start.getDayOfMonth(); finish = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), 23, 59, 59, 59); start = new DateTime(year, month, day, 0, 0, 0, 0); tc.addAttribute(TimexNames.type, TimexNames.DATE); tc.addAttribute(TimexNames.value, yFmt.print(finish) + "-W" + String.valueOf(finish.getWeekOfWeekyear())); return tc; } else if (temp3.equals("decade") || temp3.equals("decades")) { finish = start.minusYears(amount * 10); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); start = new DateTime(year, 1, 1, 0, 0, 0, 0); finish = new DateTime(year, 12, 31, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DATE); tc.addAttribute(TimexNames.value, String.valueOf(finish.getYear() / 10) + "X"); return tc; } else if (temp3.equals("century") || temp3.equals("centuries")) { finish = start.minusYears(amount * 100); year = finish.getYear(); month = start.getMonthOfYear(); day = start.getDayOfMonth(); start = new DateTime(year, 1, 1, 0, 0, 0, 0); finish = new DateTime(year, 12, 31, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DATE); tc.addAttribute(TimexNames.value, String.valueOf(finish.getCenturyOfEra())); return tc; } else if (temp3.equals("hour") || temp3.equals("hours")) { finish = start.minusHours(amount); start = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), finish.getHourOfDay(), 0, 0, 0); finish = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), finish.getHourOfDay(), 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "H"); return tc; } else if (temp3.equals("minute") || temp3.equals("minutes")) { finish = start.minusMinutes(amount); start = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), finish.getHourOfDay(), finish.minuteOfHour().get(), 0, 0); finish = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), finish.getHourOfDay(), finish.minuteOfHour().get(), 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "M"); return tc; } } } else if (temp1.equals("in") || temp1.equals("upcoming") || temp1.equals("next") || temp1.equals("from") || temp1.equals("following") || temp1.equals("during") || temp1.equals("additional")) { if (temp3.equals("years") || temp3.equals("year")) { finish = start.minusYears((-1) * amount); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); finish = new DateTime(start.getYear(), start.getMonthOfYear(), start.getDayOfMonth(), 23, 59, 59, 59); start = new DateTime(year, month, day, 23, 59, 59, 59); interval = new Interval(finish, start); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "Y"); return tc; } else if (temp3.equals("day") || temp3.equals("days")) { finish = start.minusDays((-1) * amount); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); finish = new DateTime(start.getYear(), start.getMonthOfYear(), start.getDayOfMonth(), 23, 59, 59, 59); start = new DateTime(year, month, day, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "D"); return tc; } else if (temp3.equals("month") || temp3.equals("months")) { finish = start.minusMonths((-1) * amount); year = start.getYear(); month = start.getMonthOfYear(); day = start.getDayOfMonth(); start = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), 23, 59, 59, 59); finish = new DateTime(year, month, day, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "M"); return tc; } else if (temp3.equals("week") || temp3.equals("weeks")) { finish = start.minusWeeks((-1) * amount); year = start.getYear(); month = start.getMonthOfYear(); day = start.getDayOfMonth(); start = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), 23, 59, 59, 59); finish = new DateTime(year, month, day, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "W"); return tc; } else if (temp3.equals("decade") || temp3.equals("decades")) { finish = start.minusYears((-1) * amount * 10); year = start.getYear(); month = start.getMonthOfYear(); day = start.getDayOfMonth(); start = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), 23, 59, 59, 59); finish = new DateTime(year, month, day, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); amount = amount * 10; tc.addAttribute(TimexNames.value, "P" + amount + "Y"); return tc; } else if (temp3.equals("century") || temp3.equals("centuries")) { finish = start.minusYears((-1) * amount * 100); year = start.getYear(); month = start.getMonthOfYear(); day = start.getDayOfMonth(); start = new DateTime(finish.getYear(), finish.getMonthOfYear(), finish.getDayOfMonth(), 23, 59, 59, 59); finish = new DateTime(year, month, day, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); amount *= 100; tc.addAttribute(TimexNames.value, "P" + amount + "Y"); return tc; } else if (temp3.equals("hour") || temp3.equals("hours")) { finish = start.minusHours((-1) * amount); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "H"); return tc; } else if (temp3.equals("minute") || temp3.equals("minutes")) { finish = start.minusMinutes((-1) * amount); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "M"); return tc; } else if (temp3.equals("second") || temp3.equals("seconds")) { finish = start.minusSeconds((-1) * amount); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "S"); return tc; } } else if (temp1.equals("before") || temp1.equals("prior to") || temp1.equals("preceding")) { if (temp3.equals("years") || temp3.equals("year")) { finish = start.minusYears(amount); finish = finish.minusDays(1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); start = new DateTime(0000, 1, 1, 0, 0, 0, 0); finish = new DateTime(year, month, day, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "Y"); return tc; } else if (temp3.equals("day") || temp3.equals("days")) { finish = start.minusDays(amount); finish = finish.minusDays(1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); start = new DateTime(0000, 1, 1, 0, 0, 0, 0); finish = new DateTime(year, month, day, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "D"); return tc; } else if (temp3.equals("month") || temp3.equals("months")) { finish = start.minusMonths(amount); finish = finish.minusDays(1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); start = new DateTime(0000, 1, 1, 0, 0, 0, 0); finish = new DateTime(year, month, day, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "M"); return tc; } else if (temp3.equals("week") || temp3.equals("weeks")) { finish = start.minusWeeks(amount); finish = finish.minusDays(1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); start = new DateTime(0000, 1, 1, 0, 0, 0, 0); finish = new DateTime(year, month, day, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "W"); return tc; } else if (temp3.equals("decade") || temp3.equals("decades")) { finish = start.minusYears(amount * 10); finish = finish.minusDays(1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); start = new DateTime(0000, 1, 1, 0, 0, 0, 0); finish = new DateTime(year, month, day, 23, 59, 59, 59); amount *= 10; tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "Y"); return tc; } else if (temp3.equals("century") || temp3.equals("centuries")) { finish = start.minusYears(amount * 100); finish = finish.minusDays(1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); start = new DateTime(0000, 1, 1, 0, 0, 0, 0); finish = new DateTime(year, month, day, 23, 59, 59, 59); amount *= 100; tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "Y"); return tc; } else if (temp3.equals("hour") || temp3.equals("hours")) { finish = start.minusHours(amount); start = new DateTime(0000, 1, 1, 0, 0, 0, 0); //interval = new Interval(start, finish); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "H"); return tc; } else if (temp3.equals("minute") || temp3.equals("minutes")) { finish = start.minusMinutes(amount); start = new DateTime(0000, 1, 1, 0, 0, 0, 0); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "M"); return tc; } else if (temp3.equals("second") || temp3.equals("seconds")) { finish = start.minusSeconds(amount); start = new DateTime(0000, 1, 1, 0, 0, 0, 0); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "S"); return tc; } } else if (temp1.equals("after") || temp1.equals("over")) { if (temp3.equals("years") || temp3.equals("year")) { finish = start.minusYears((-1) * amount); finish = finish.minusDays(-1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); finish = new DateTime(year, month, day, 0, 0, 0, 0); start = new DateTime(9999, 12, 31, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "Y"); return tc; } else if (temp3.equals("day") || temp3.equals("days")) { finish = start.minusDays((-1) * amount); finish = finish.minusDays(-1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); finish = new DateTime(year, month, day, 0, 0, 0, 0); start = new DateTime(9999, 12, 31, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "D"); return tc; } else if (temp3.equals("month") || temp3.equals("months")) { finish = start.minusMonths((-1) * amount); finish = finish.minusDays(-1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); finish = new DateTime(year, month, day, 0, 0, 0, 0); start = new DateTime(9999, 12, 31, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "M"); return tc; } else if (temp3.equals("week") || temp3.equals("weeks")) { finish = start.minusWeeks((-1) * amount); finish = finish.minusDays(-1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); finish = new DateTime(year, month, day, 0, 0, 0, 0); start = new DateTime(9999, 12, 31, 23, 59, 59, 59); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "W"); return tc; } else if (temp3.equals("decade") || temp3.equals("decades")) { finish = start.minusYears((-1) * amount * 10); finish = finish.minusDays(-1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); finish = new DateTime(year, month, day, 0, 0, 0, 0); start = new DateTime(9999, 12, 31, 23, 59, 59, 59); amount *= 10; tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "Y"); return tc; } else if (temp3.equals("century") || temp3.equals("centuries")) { finish = start.minusYears((-1) * amount * 100); finish = finish.minusDays(-1); year = finish.getYear(); month = finish.getMonthOfYear(); day = finish.getDayOfMonth(); finish = new DateTime(year, month, day, 0, 0, 0, 0); start = new DateTime(9999, 12, 31, 23, 59, 59, 59); interval = new Interval(finish, start); amount *= 100; tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "P" + amount + "Y"); return tc; } else if (temp3.equals("hour") || temp3.equals("hours")) { finish = start.minusHours((-1) * amount); start = new DateTime(9999, 12, 31, 23, 59, 59, 59); interval = new Interval(finish, start); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "H"); return tc; } else if (temp3.equals("minute") || temp3.equals("minutes")) { finish = start.minusMinutes((-1) * amount); start = new DateTime(9999, 12, 31, 23, 59, 59, 59); interval = new Interval(finish, start); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "M"); return tc; } else if (temp3.equals("second") || temp3.equals("seconds")) { finish = start.minusSeconds((-1) * amount); start = new DateTime(9999, 12, 31, 23, 59, 59, 59); interval = new Interval(finish, start); tc.addAttribute(TimexNames.type, TimexNames.DURATION); tc.addAttribute(TimexNames.value, "PT" + amount + "S"); return tc; } } } } return null; } public static String converter(String phrase) { String temp1; String temp2; String tempresult; int onepart; int secondpart; int result; String patternStr = "\\d{1,4}\\s*"; Pattern pattern = Pattern.compile(patternStr); Matcher matcher = pattern.matcher(phrase); boolean matchFound = matcher.find(); if (matchFound) { return phrase.trim(); } else { patternStr = quantifier; pattern = Pattern.compile(patternStr); matcher = pattern.matcher(phrase); matchFound = matcher.find(); if (matchFound) { return "X"; } patternStr = "(\\d{1,4})\\s*(" + number + ")"; pattern = Pattern.compile(patternStr); matcher = pattern.matcher(phrase); matchFound = matcher.find(); if (matchFound) { temp1 = matcher.group(1); temp2 = matcher.group(2); onepart = Integer.parseInt(temp1); temp2 = temp.hm.get(temp2); secondpart = Integer.parseInt(temp2); result = onepart * secondpart; tempresult = Integer.toString(result); return tempresult; } else { patternStr = "(" + number + ")\\s*(" + number + ")"; pattern = Pattern.compile(patternStr); matcher = pattern.matcher(phrase); matchFound = matcher.find(); if (matchFound) { temp1 = matcher.group(1); temp2 = matcher.group(2); temp1 = temp.hm.get(temp1); onepart = Integer.parseInt(temp1); temp2 = temp.hm.get(temp2); secondpart = Integer.parseInt(temp2); if (matcher.group(2).equals("hundred") || matcher.group(2).equals("thousand") || matcher.group(2).equals("million") || matcher.group(2).equals("billion")) { result = onepart * secondpart; } else { result = onepart + secondpart; } tempresult = Integer.toString(result); return tempresult; } else { patternStr = "(" + number + ")\\s*"; pattern = Pattern.compile(patternStr); matcher = pattern.matcher(phrase); matchFound = matcher.find(); if (matchFound) { temp1 = matcher.group(1); temp1 = temp.hm.get(temp1); return temp1; } } } } return null; } public static void main(String args[]) { DateTime startTime = new DateTime(2001, 3, 14, 3, 3, 3, 3); String example = "one day ago"; TimexChunk sample = Relativerule(startTime, example); System.out.println(RelativeDate.converter("one hundred days")); } }