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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.common.joda;
import org.elasticsearch.common.Strings;
import org.joda.time.Chronology;
import org.joda.time.DateTime;
import org.joda.time.DateTimeField;
import org.joda.time.DateTimeFieldType;
import org.joda.time.DateTimeZone;
import org.joda.time.DurationField;
import org.joda.time.DurationFieldType;
import org.joda.time.ReadablePartial;
import org.joda.time.field.DividedDateTimeField;
import org.joda.time.field.OffsetDateTimeField;
import org.joda.time.field.ScaledDurationField;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.DateTimeFormatterBuilder;
import org.joda.time.format.DateTimeParser;
import org.joda.time.format.DateTimeParserBucket;
import org.joda.time.format.DateTimePrinter;
import org.joda.time.format.ISODateTimeFormat;
import org.joda.time.format.StrictISODateTimeFormat;
import java.io.IOException;
import java.io.Writer;
import java.math.BigDecimal;
import java.util.Locale;
public class Joda {
public static FormatDateTimeFormatter forPattern(String input) {
return forPattern(input, Locale.ROOT);
}
/**
* Parses a joda based pattern, including some named ones (similar to the built in Joda ISO ones).
*/
public static FormatDateTimeFormatter forPattern(String input, Locale locale) {
if (Strings.hasLength(input)) {
input = input.trim();
}
if (input == null || input.length() == 0) {
throw new IllegalArgumentException("No date pattern provided");
}
DateTimeFormatter formatter;
if ("basicDate".equals(input) || "basic_date".equals(input)) {
formatter = ISODateTimeFormat.basicDate();
} else if ("basicDateTime".equals(input) || "basic_date_time".equals(input)) {
formatter = ISODateTimeFormat.basicDateTime();
} else if ("basicDateTimeNoMillis".equals(input) || "basic_date_time_no_millis".equals(input)) {
formatter = ISODateTimeFormat.basicDateTimeNoMillis();
} else if ("basicOrdinalDate".equals(input) || "basic_ordinal_date".equals(input)) {
formatter = ISODateTimeFormat.basicOrdinalDate();
} else if ("basicOrdinalDateTime".equals(input) || "basic_ordinal_date_time".equals(input)) {
formatter = ISODateTimeFormat.basicOrdinalDateTime();
} else if ("basicOrdinalDateTimeNoMillis".equals(input) || "basic_ordinal_date_time_no_millis".equals(input)) {
formatter = ISODateTimeFormat.basicOrdinalDateTimeNoMillis();
} else if ("basicTime".equals(input) || "basic_time".equals(input)) {
formatter = ISODateTimeFormat.basicTime();
} else if ("basicTimeNoMillis".equals(input) || "basic_time_no_millis".equals(input)) {
formatter = ISODateTimeFormat.basicTimeNoMillis();
} else if ("basicTTime".equals(input) || "basic_t_time".equals(input)) {
formatter = ISODateTimeFormat.basicTTime();
} else if ("basicTTimeNoMillis".equals(input) || "basic_t_time_no_millis".equals(input)) {
formatter = ISODateTimeFormat.basicTTimeNoMillis();
} else if ("basicWeekDate".equals(input) || "basic_week_date".equals(input)) {
formatter = ISODateTimeFormat.basicWeekDate();
} else if ("basicWeekDateTime".equals(input) || "basic_week_date_time".equals(input)) {
formatter = ISODateTimeFormat.basicWeekDateTime();
} else if ("basicWeekDateTimeNoMillis".equals(input) || "basic_week_date_time_no_millis".equals(input)) {
formatter = ISODateTimeFormat.basicWeekDateTimeNoMillis();
} else if ("date".equals(input)) {
formatter = ISODateTimeFormat.date();
} else if ("dateHour".equals(input) || "date_hour".equals(input)) {
formatter = ISODateTimeFormat.dateHour();
} else if ("dateHourMinute".equals(input) || "date_hour_minute".equals(input)) {
formatter = ISODateTimeFormat.dateHourMinute();
} else if ("dateHourMinuteSecond".equals(input) || "date_hour_minute_second".equals(input)) {
formatter = ISODateTimeFormat.dateHourMinuteSecond();
} else if ("dateHourMinuteSecondFraction".equals(input) || "date_hour_minute_second_fraction".equals(input)) {
formatter = ISODateTimeFormat.dateHourMinuteSecondFraction();
} else if ("dateHourMinuteSecondMillis".equals(input) || "date_hour_minute_second_millis".equals(input)) {
formatter = ISODateTimeFormat.dateHourMinuteSecondMillis();
} else if ("dateOptionalTime".equals(input) || "date_optional_time".equals(input)) {
// in this case, we have a separate parser and printer since the dataOptionalTimeParser can't print
// this sucks we should use the root local by default and not be dependent on the node
return new FormatDateTimeFormatter(input,
ISODateTimeFormat.dateOptionalTimeParser().withZone(DateTimeZone.UTC),
ISODateTimeFormat.dateTime().withZone(DateTimeZone.UTC), locale);
} else if ("dateTime".equals(input) || "date_time".equals(input)) {
formatter = ISODateTimeFormat.dateTime();
} else if ("dateTimeNoMillis".equals(input) || "date_time_no_millis".equals(input)) {
formatter = ISODateTimeFormat.dateTimeNoMillis();
} else if ("hour".equals(input)) {
formatter = ISODateTimeFormat.hour();
} else if ("hourMinute".equals(input) || "hour_minute".equals(input)) {
formatter = ISODateTimeFormat.hourMinute();
} else if ("hourMinuteSecond".equals(input) || "hour_minute_second".equals(input)) {
formatter = ISODateTimeFormat.hourMinuteSecond();
} else if ("hourMinuteSecondFraction".equals(input) || "hour_minute_second_fraction".equals(input)) {
formatter = ISODateTimeFormat.hourMinuteSecondFraction();
} else if ("hourMinuteSecondMillis".equals(input) || "hour_minute_second_millis".equals(input)) {
formatter = ISODateTimeFormat.hourMinuteSecondMillis();
} else if ("ordinalDate".equals(input) || "ordinal_date".equals(input)) {
formatter = ISODateTimeFormat.ordinalDate();
} else if ("ordinalDateTime".equals(input) || "ordinal_date_time".equals(input)) {
formatter = ISODateTimeFormat.ordinalDateTime();
} else if ("ordinalDateTimeNoMillis".equals(input) || "ordinal_date_time_no_millis".equals(input)) {
formatter = ISODateTimeFormat.ordinalDateTimeNoMillis();
} else if ("time".equals(input)) {
formatter = ISODateTimeFormat.time();
} else if ("timeNoMillis".equals(input) || "time_no_millis".equals(input)) {
formatter = ISODateTimeFormat.timeNoMillis();
} else if ("tTime".equals(input) || "t_time".equals(input)) {
formatter = ISODateTimeFormat.tTime();
} else if ("tTimeNoMillis".equals(input) || "t_time_no_millis".equals(input)) {
formatter = ISODateTimeFormat.tTimeNoMillis();
} else if ("weekDate".equals(input) || "week_date".equals(input)) {
formatter = ISODateTimeFormat.weekDate();
} else if ("weekDateTime".equals(input) || "week_date_time".equals(input)) {
formatter = ISODateTimeFormat.weekDateTime();
} else if ("weekDateTimeNoMillis".equals(input) || "week_date_time_no_millis".equals(input)) {
formatter = ISODateTimeFormat.weekDateTimeNoMillis();
} else if ("weekyear".equals(input) || "week_year".equals(input)) {
formatter = ISODateTimeFormat.weekyear();
} else if ("weekyearWeek".equals(input) || "weekyear_week".equals(input)) {
formatter = ISODateTimeFormat.weekyearWeek();
} else if ("weekyearWeekDay".equals(input) || "weekyear_week_day".equals(input)) {
formatter = ISODateTimeFormat.weekyearWeekDay();
} else if ("year".equals(input)) {
formatter = ISODateTimeFormat.year();
} else if ("yearMonth".equals(input) || "year_month".equals(input)) {
formatter = ISODateTimeFormat.yearMonth();
} else if ("yearMonthDay".equals(input) || "year_month_day".equals(input)) {
formatter = ISODateTimeFormat.yearMonthDay();
} else if ("epoch_second".equals(input)) {
formatter = new DateTimeFormatterBuilder().append(new EpochTimePrinter(false), new EpochTimeParser(false)).toFormatter();
} else if ("epoch_millis".equals(input)) {
formatter = new DateTimeFormatterBuilder().append(new EpochTimePrinter(true), new EpochTimeParser(true)).toFormatter();
// strict date formats here, must be at least 4 digits for year and two for months and two for day
} else if ("strictBasicWeekDate".equals(input) || "strict_basic_week_date".equals(input)) {
formatter = StrictISODateTimeFormat.basicWeekDate();
} else if ("strictBasicWeekDateTime".equals(input) || "strict_basic_week_date_time".equals(input)) {
formatter = StrictISODateTimeFormat.basicWeekDateTime();
} else if ("strictBasicWeekDateTimeNoMillis".equals(input) || "strict_basic_week_date_time_no_millis".equals(input)) {
formatter = StrictISODateTimeFormat.basicWeekDateTimeNoMillis();
} else if ("strictDate".equals(input) || "strict_date".equals(input)) {
formatter = StrictISODateTimeFormat.date();
} else if ("strictDateHour".equals(input) || "strict_date_hour".equals(input)) {
formatter = StrictISODateTimeFormat.dateHour();
} else if ("strictDateHourMinute".equals(input) || "strict_date_hour_minute".equals(input)) {
formatter = StrictISODateTimeFormat.dateHourMinute();
} else if ("strictDateHourMinuteSecond".equals(input) || "strict_date_hour_minute_second".equals(input)) {
formatter = StrictISODateTimeFormat.dateHourMinuteSecond();
} else if ("strictDateHourMinuteSecondFraction".equals(input) || "strict_date_hour_minute_second_fraction".equals(input)) {
formatter = StrictISODateTimeFormat.dateHourMinuteSecondFraction();
} else if ("strictDateHourMinuteSecondMillis".equals(input) || "strict_date_hour_minute_second_millis".equals(input)) {
formatter = StrictISODateTimeFormat.dateHourMinuteSecondMillis();
} else if ("strictDateOptionalTime".equals(input) || "strict_date_optional_time".equals(input)) {
// in this case, we have a separate parser and printer since the dataOptionalTimeParser can't print
// this sucks we should use the root local by default and not be dependent on the node
return new FormatDateTimeFormatter(input,
StrictISODateTimeFormat.dateOptionalTimeParser().withZone(DateTimeZone.UTC),
StrictISODateTimeFormat.dateTime().withZone(DateTimeZone.UTC), locale);
} else if ("strictDateTime".equals(input) || "strict_date_time".equals(input)) {
formatter = StrictISODateTimeFormat.dateTime();
} else if ("strictDateTimeNoMillis".equals(input) || "strict_date_time_no_millis".equals(input)) {
formatter = StrictISODateTimeFormat.dateTimeNoMillis();
} else if ("strictHour".equals(input) || "strict_hour".equals(input)) {
formatter = StrictISODateTimeFormat.hour();
} else if ("strictHourMinute".equals(input) || "strict_hour_minute".equals(input)) {
formatter = StrictISODateTimeFormat.hourMinute();
} else if ("strictHourMinuteSecond".equals(input) || "strict_hour_minute_second".equals(input)) {
formatter = StrictISODateTimeFormat.hourMinuteSecond();
} else if ("strictHourMinuteSecondFraction".equals(input) || "strict_hour_minute_second_fraction".equals(input)) {
formatter = StrictISODateTimeFormat.hourMinuteSecondFraction();
} else if ("strictHourMinuteSecondMillis".equals(input) || "strict_hour_minute_second_millis".equals(input)) {
formatter = StrictISODateTimeFormat.hourMinuteSecondMillis();
} else if ("strictOrdinalDate".equals(input) || "strict_ordinal_date".equals(input)) {
formatter = StrictISODateTimeFormat.ordinalDate();
} else if ("strictOrdinalDateTime".equals(input) || "strict_ordinal_date_time".equals(input)) {
formatter = StrictISODateTimeFormat.ordinalDateTime();
} else if ("strictOrdinalDateTimeNoMillis".equals(input) || "strict_ordinal_date_time_no_millis".equals(input)) {
formatter = StrictISODateTimeFormat.ordinalDateTimeNoMillis();
} else if ("strictTime".equals(input) || "strict_time".equals(input)) {
formatter = StrictISODateTimeFormat.time();
} else if ("strictTimeNoMillis".equals(input) || "strict_time_no_millis".equals(input)) {
formatter = StrictISODateTimeFormat.timeNoMillis();
} else if ("strictTTime".equals(input) || "strict_t_time".equals(input)) {
formatter = StrictISODateTimeFormat.tTime();
} else if ("strictTTimeNoMillis".equals(input) || "strict_t_time_no_millis".equals(input)) {
formatter = StrictISODateTimeFormat.tTimeNoMillis();
} else if ("strictWeekDate".equals(input) || "strict_week_date".equals(input)) {
formatter = StrictISODateTimeFormat.weekDate();
} else if ("strictWeekDateTime".equals(input) || "strict_week_date_time".equals(input)) {
formatter = StrictISODateTimeFormat.weekDateTime();
} else if ("strictWeekDateTimeNoMillis".equals(input) || "strict_week_date_time_no_millis".equals(input)) {
formatter = StrictISODateTimeFormat.weekDateTimeNoMillis();
} else if ("strictWeekyear".equals(input) || "strict_weekyear".equals(input)) {
formatter = StrictISODateTimeFormat.weekyear();
} else if ("strictWeekyearWeek".equals(input) || "strict_weekyear_week".equals(input)) {
formatter = StrictISODateTimeFormat.weekyearWeek();
} else if ("strictWeekyearWeekDay".equals(input) || "strict_weekyear_week_day".equals(input)) {
formatter = StrictISODateTimeFormat.weekyearWeekDay();
} else if ("strictYear".equals(input) || "strict_year".equals(input)) {
formatter = StrictISODateTimeFormat.year();
} else if ("strictYearMonth".equals(input) || "strict_year_month".equals(input)) {
formatter = StrictISODateTimeFormat.yearMonth();
} else if ("strictYearMonthDay".equals(input) || "strict_year_month_day".equals(input)) {
formatter = StrictISODateTimeFormat.yearMonthDay();
} else if (Strings.hasLength(input) && input.contains("||")) {
String[] formats = Strings.delimitedListToStringArray(input, "||");
DateTimeParser[] parsers = new DateTimeParser[formats.length];
if (formats.length == 1) {
formatter = forPattern(input, locale).parser();
} else {
DateTimeFormatter dateTimeFormatter = null;
for (int i = 0; i < formats.length; i++) {
FormatDateTimeFormatter currentFormatter = forPattern(formats[i], locale);
DateTimeFormatter currentParser = currentFormatter.parser();
if (dateTimeFormatter == null) {
dateTimeFormatter = currentFormatter.printer();
}
parsers[i] = currentParser.getParser();
}
DateTimeFormatterBuilder builder = new DateTimeFormatterBuilder().append(dateTimeFormatter.withZone(DateTimeZone.UTC).getPrinter(), parsers);
formatter = builder.toFormatter();
}
} else {
try {
formatter = DateTimeFormat.forPattern(input);
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException("Invalid format: [" + input + "]: " + e.getMessage(), e);
}
}
return new FormatDateTimeFormatter(input, formatter.withZone(DateTimeZone.UTC), locale);
}
public static FormatDateTimeFormatter getStrictStandardDateFormatter() {
// 2014/10/10
DateTimeFormatter shortFormatter = new DateTimeFormatterBuilder()
.appendFixedDecimal(DateTimeFieldType.year(), 4)
.appendLiteral('/')
.appendFixedDecimal(DateTimeFieldType.monthOfYear(), 2)
.appendLiteral('/')
.appendFixedDecimal(DateTimeFieldType.dayOfMonth(), 2)
.toFormatter()
.withZoneUTC();
// 2014/10/10 12:12:12
DateTimeFormatter longFormatter = new DateTimeFormatterBuilder()
.appendFixedDecimal(DateTimeFieldType.year(), 4)
.appendLiteral('/')
.appendFixedDecimal(DateTimeFieldType.monthOfYear(), 2)
.appendLiteral('/')
.appendFixedDecimal(DateTimeFieldType.dayOfMonth(), 2)
.appendLiteral(' ')
.appendFixedSignedDecimal(DateTimeFieldType.hourOfDay(), 2)
.appendLiteral(':')
.appendFixedSignedDecimal(DateTimeFieldType.minuteOfHour(), 2)
.appendLiteral(':')
.appendFixedSignedDecimal(DateTimeFieldType.secondOfMinute(), 2)
.toFormatter()
.withZoneUTC();
DateTimeFormatterBuilder builder = new DateTimeFormatterBuilder().append(longFormatter.withZone(DateTimeZone.UTC).getPrinter(), new DateTimeParser[]{longFormatter.getParser(), shortFormatter.getParser(), new EpochTimeParser(true)});
return new FormatDateTimeFormatter("yyyy/MM/dd HH:mm:ss||yyyy/MM/dd||epoch_millis", builder.toFormatter().withZone(DateTimeZone.UTC), Locale.ROOT);
}
public static final DurationFieldType Quarters = new DurationFieldType("quarters") {
@Override
public DurationField getField(Chronology chronology) {
return new ScaledDurationField(chronology.months(), Quarters, 3);
}
};
public static final DateTimeFieldType QuarterOfYear = new DateTimeFieldType("quarterOfYear") {
@Override
public DurationFieldType getDurationType() {
return Quarters;
}
@Override
public DurationFieldType getRangeDurationType() {
return DurationFieldType.years();
}
@Override
public DateTimeField getField(Chronology chronology) {
return new OffsetDateTimeField(new DividedDateTimeField(new OffsetDateTimeField(chronology.monthOfYear(), -1), QuarterOfYear, 3), 1);
}
};
public static class EpochTimeParser implements DateTimeParser {
private final boolean hasMilliSecondPrecision;
public EpochTimeParser(boolean hasMilliSecondPrecision) {
this.hasMilliSecondPrecision = hasMilliSecondPrecision;
}
@Override
public int estimateParsedLength() {
return hasMilliSecondPrecision ? 19 : 16;
}
@Override
public int parseInto(DateTimeParserBucket bucket, String text, int position) {
boolean isPositive = text.startsWith("-") == false;
int firstDotIndex = text.indexOf('.');
boolean isTooLong = (firstDotIndex == -1 ? text.length() : firstDotIndex) > estimateParsedLength();
if (bucket.getZone() != DateTimeZone.UTC) {
String format = hasMilliSecondPrecision ? "epoch_millis" : "epoch_second";
throw new IllegalArgumentException("time_zone must be UTC for format [" + format + "]");
} else if (isPositive && isTooLong) {
return -1;
}
int factor = hasMilliSecondPrecision ? 1 : 1000;
try {
long millis = new BigDecimal(text).longValue() * factor;
DateTime dt = new DateTime(millis, DateTimeZone.UTC);
bucket.saveField(DateTimeFieldType.year(), dt.getYear());
bucket.saveField(DateTimeFieldType.monthOfYear(), dt.getMonthOfYear());
bucket.saveField(DateTimeFieldType.dayOfMonth(), dt.getDayOfMonth());
bucket.saveField(DateTimeFieldType.hourOfDay(), dt.getHourOfDay());
bucket.saveField(DateTimeFieldType.minuteOfHour(), dt.getMinuteOfHour());
bucket.saveField(DateTimeFieldType.secondOfMinute(), dt.getSecondOfMinute());
bucket.saveField(DateTimeFieldType.millisOfSecond(), dt.getMillisOfSecond());
bucket.setZone(DateTimeZone.UTC);
} catch (Exception e) {
return -1;
}
return text.length();
}
}
public static class EpochTimePrinter implements DateTimePrinter {
private boolean hasMilliSecondPrecision;
public EpochTimePrinter(boolean hasMilliSecondPrecision) {
this.hasMilliSecondPrecision = hasMilliSecondPrecision;
}
@Override
public int estimatePrintedLength() {
return hasMilliSecondPrecision ? 19 : 16;
}
/**
* We adjust the instant by displayOffset to adjust for the offset that might have been added in
* {@link DateTimeFormatter#printTo(Appendable, long, Chronology)} when using a time zone.
*/
@Override
public void printTo(StringBuffer buf, long instant, Chronology chrono, int displayOffset, DateTimeZone displayZone, Locale locale) {
if (hasMilliSecondPrecision) {
buf.append(instant - displayOffset);
} else {
buf.append((instant - displayOffset) / 1000);
}
}
/**
* We adjust the instant by displayOffset to adjust for the offset that might have been added in
* {@link DateTimeFormatter#printTo(Appendable, long, Chronology)} when using a time zone.
*/
@Override
public void printTo(Writer out, long instant, Chronology chrono, int displayOffset, DateTimeZone displayZone, Locale locale) throws IOException {
if (hasMilliSecondPrecision) {
out.write(String.valueOf(instant - displayOffset));
} else {
out.append(String.valueOf((instant - displayOffset) / 1000));
}
}
@Override
public void printTo(StringBuffer buf, ReadablePartial partial, Locale locale) {
if (hasMilliSecondPrecision) {
buf.append(String.valueOf(getDateTimeMillis(partial)));
} else {
buf.append(String.valueOf(getDateTimeMillis(partial) / 1000));
}
}
@Override
public void printTo(Writer out, ReadablePartial partial, Locale locale) throws IOException {
if (hasMilliSecondPrecision) {
out.append(String.valueOf(getDateTimeMillis(partial)));
} else {
out.append(String.valueOf(getDateTimeMillis(partial) / 1000));
}
}
private long getDateTimeMillis(ReadablePartial partial) {
int year = partial.get(DateTimeFieldType.year());
int monthOfYear = partial.get(DateTimeFieldType.monthOfYear());
int dayOfMonth = partial.get(DateTimeFieldType.dayOfMonth());
int hourOfDay = partial.get(DateTimeFieldType.hourOfDay());
int minuteOfHour = partial.get(DateTimeFieldType.minuteOfHour());
int secondOfMinute = partial.get(DateTimeFieldType.secondOfMinute());
int millisOfSecond = partial.get(DateTimeFieldType.millisOfSecond());
return partial.getChronology().getDateTimeMillis(year, monthOfYear, dayOfMonth, hourOfDay, minuteOfHour, secondOfMinute, millisOfSecond);
}
}
}
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