public void testToPeriod_PeriodType2() {
DateTime dt1 = new DateTime(2004, 6, 9, 7, 8, 9, 10);
DateTime dt2 = new DateTime(2005, 8, 13, 12, 14, 16, 18);
MutableInterval base = new MutableInterval(dt1, dt2);
Period test = base.toPeriod(PeriodType.yearWeekDayTime());
Period expected = new Period(dt1, dt2, PeriodType.yearWeekDayTime());
assertEquals(expected, test);
}
/**
* @param value
* @return
*/
public static PeriodType fromDbValue(int value) {
PeriodType[] values = PeriodType.values();
for (PeriodType t : values) {
if (t.getDbValue() == value) {
return t;
}
}
return null;
}
// -----------------------------------------------------------------------
public void testToPeriod_PeriodType1() {
DateTime dt1 = new DateTime(2004, 6, 9, 7, 8, 9, 10, COPTIC_PARIS);
DateTime dt2 = new DateTime(2005, 8, 13, 12, 14, 16, 18, COPTIC_PARIS);
MutableInterval base = new MutableInterval(dt1, dt2);
Period test = base.toPeriod(null);
Period expected = new Period(dt1, dt2, PeriodType.standard());
assertEquals(expected, test);
}
public void testConstructor_RP_RI3() throws Throwable {
DateTime dt = new DateTime(TEST_TIME_NOW, CopticChronology.getInstanceUTC());
Period dur = new Period(0, 6, 0, 3, 1, 0, 0, 0, PeriodType.standard());
long result = TEST_TIME_NOW;
result = CopticChronology.getInstanceUTC().months().add(result, -6);
result = CopticChronology.getInstanceUTC().days().add(result, -3);
result = CopticChronology.getInstanceUTC().hours().add(result, -1);
Interval test = new Interval(dur, dt);
assertEquals(result, test.getStartMillis());
assertEquals(dt.getMillis(), test.getEndMillis());
}
public Duration getWidth() {
int millis = new Period(low, high, PeriodType.millis()).getMillis();
return new Duration(millis);
}
/**
* An immutable time period representing a number of weeks.
*
* <p><code>Weeks</code> is an immutable period that can only store weeks. It does not store years,
* months or hours for example. As such it is a type-safe way of representing a number of weeks in
* an application.
*
* <p>The number of weeks is set in the constructor, and may be queried using <code>getWeeks()
* </code>. Basic mathematical operations are provided - <code>plus()</code>, <code>minus()</code>,
* <code>multipliedBy()</code> and <code>dividedBy()</code>.
*
* <p><code>Weeks</code> is thread-safe and immutable.
*
* @author Stephen Colebourne
* @since 1.4
*/
public final class Weeks extends BaseSingleFieldPeriod {
/** Constant representing zero weeks. */
public static final Weeks ZERO = new Weeks(0);
/** Constant representing one week. */
public static final Weeks ONE = new Weeks(1);
/** Constant representing two weeks. */
public static final Weeks TWO = new Weeks(2);
/** Constant representing three weeks. */
public static final Weeks THREE = new Weeks(3);
/** Constant representing the maximum number of weeks that can be stored in this object. */
public static final Weeks MAX_VALUE = new Weeks(Integer.MAX_VALUE);
/** Constant representing the minimum number of weeks that can be stored in this object. */
public static final Weeks MIN_VALUE = new Weeks(Integer.MIN_VALUE);
/** The paser to use for this class. */
private static final PeriodFormatter PARSER =
ISOPeriodFormat.standard().withParseType(PeriodType.weeks());
/** Serialization version. */
private static final long serialVersionUID = 87525275727380866L;
// -----------------------------------------------------------------------
/**
* Obtains an instance of <code>Weeks</code> that may be cached. <code>Weeks</code> is immutable,
* so instances can be cached and shared. This factory method provides access to shared instances.
*
* @param weeks the number of weeks to obtain an instance for
* @return the instance of Weeks
*/
public static Weeks weeks(int weeks) {
switch (weeks) {
case 0:
return ZERO;
case 1:
return ONE;
case 2:
return TWO;
case 3:
return THREE;
case Integer.MAX_VALUE:
return MAX_VALUE;
case Integer.MIN_VALUE:
return MIN_VALUE;
default:
return new Weeks(weeks);
}
}
// -----------------------------------------------------------------------
/**
* Creates a <code>Weeks</code> representing the number of whole weeks between the two specified
* datetimes.
*
* @param start the start instant, must not be null
* @param end the end instant, must not be null
* @return the period in weeks
* @throws IllegalArgumentException if the instants are null or invalid
*/
public static Weeks weeksBetween(ReadableInstant start, ReadableInstant end) {
int amount = BaseSingleFieldPeriod.between(start, end, DurationFieldType.weeks());
return Weeks.weeks(amount);
}
/**
* Creates a <code>Weeks</code> representing the number of whole weeks between the two specified
* partial datetimes.
*
* <p>The two partials must contain the same fields, for example you can specify two <code>
* LocalDate</code> objects.
*
* @param start the start partial date, must not be null
* @param end the end partial date, must not be null
* @return the period in weeks
* @throws IllegalArgumentException if the partials are null or invalid
*/
public static Weeks weeksBetween(ReadablePartial start, ReadablePartial end) {
if (start instanceof LocalDate && end instanceof LocalDate) {
Chronology chrono = DateTimeUtils.getChronology(start.getChronology());
int weeks =
chrono
.weeks()
.getDifference(
((LocalDate) end).getLocalMillis(), ((LocalDate) start).getLocalMillis());
return Weeks.weeks(weeks);
}
int amount = BaseSingleFieldPeriod.between(start, end, ZERO);
return Weeks.weeks(amount);
}
/**
* Creates a <code>Weeks</code> representing the number of whole weeks in the specified interval.
*
* @param interval the interval to extract weeks from, null returns zero
* @return the period in weeks
* @throws IllegalArgumentException if the partials are null or invalid
*/
public static Weeks weeksIn(ReadableInterval interval) {
if (interval == null) {
return Weeks.ZERO;
}
int amount =
BaseSingleFieldPeriod.between(
interval.getStart(), interval.getEnd(), DurationFieldType.weeks());
return Weeks.weeks(amount);
}
/**
* Creates a new <code>Weeks</code> representing the number of complete standard length weeks in
* the specified period.
*
* <p>This factory method converts all fields from the period to hours using standardised
* durations for each field. Only those fields which have a precise duration in the ISO UTC
* chronology can be converted.
*
* <ul>
* <li>One week consists of 7 days.
* <li>One day consists of 24 hours.
* <li>One hour consists of 60 minutes.
* <li>One minute consists of 60 weeks.
* <li>One second consists of 1000 milliseconds.
* </ul>
*
* Months and Years are imprecise and periods containing these values cannot be converted.
*
* @param period the period to get the number of hours from, null returns zero
* @return the period in weeks
* @throws IllegalArgumentException if the period contains imprecise duration values
*/
public static Weeks standardWeeksIn(ReadablePeriod period) {
int amount = BaseSingleFieldPeriod.standardPeriodIn(period, DateTimeConstants.MILLIS_PER_WEEK);
return Weeks.weeks(amount);
}
/**
* Creates a new <code>Weeks</code> by parsing a string in the ISO8601 format 'PnW'.
*
* <p>The parse will accept the full ISO syntax of PnYnMnWnDTnHnMnS however only the weeks
* component may be non-zero. If any other component is non-zero, an exception will be thrown.
*
* @param periodStr the period string, null returns zero
* @return the period in weeks
* @throws IllegalArgumentException if the string format is invalid
*/
@FromString
public static Weeks parseWeeks(String periodStr) {
if (periodStr == null) {
return Weeks.ZERO;
}
Period p = PARSER.parsePeriod(periodStr);
return Weeks.weeks(p.getWeeks());
}
// -----------------------------------------------------------------------
/**
* Creates a new instance representing a number of weeks. You should consider using the factory
* method {@link #weeks(int)} instead of the constructor.
*
* @param weeks the number of weeks to represent
*/
private Weeks(int weeks) {
super(weeks);
}
/**
* Resolves singletons.
*
* @return the singleton instance
*/
private Object readResolve() {
return Weeks.weeks(getValue());
}
// -----------------------------------------------------------------------
/**
* Gets the duration field type, which is <code>weeks</code>.
*
* @return the period type
*/
public DurationFieldType getFieldType() {
return DurationFieldType.weeks();
}
/**
* Gets the period type, which is <code>weeks</code>.
*
* @return the period type
*/
public PeriodType getPeriodType() {
return PeriodType.weeks();
}
// -----------------------------------------------------------------------
/**
* Converts this period in weeks to a period in days assuming a 7 day week.
*
* <p>This method allows you to convert between different types of period. However to achieve this
* it makes the assumption that all weeks are 7 days long. This may not be true for some unusual
* chronologies. However, it is included as it is a useful operation for many applications and
* business rules.
*
* @return a period representing the number of days for this number of weeks
* @throws ArithmeticException if the number of days is too large to be represented
*/
public Days toStandardDays() {
return Days.days(FieldUtils.safeMultiply(getValue(), DateTimeConstants.DAYS_PER_WEEK));
}
/**
* Converts this period in weeks to a period in hours assuming a 7 day week and 24 hour day.
*
* <p>This method allows you to convert between different types of period. However to achieve this
* it makes the assumption that all weeks are 7 days long and all days are 24 hours long. This is
* not true when daylight savings is considered and may also not be true for some unusual
* chronologies. However, it is included as it is a useful operation for many applications and
* business rules.
*
* @return a period representing the number of hours for this number of weeks
* @throws ArithmeticException if the number of hours is too large to be represented
*/
public Hours toStandardHours() {
return Hours.hours(FieldUtils.safeMultiply(getValue(), DateTimeConstants.HOURS_PER_WEEK));
}
/**
* Converts this period in weeks to a period in minutes assuming a 7 day week, 24 hour day and 60
* minute hour.
*
* <p>This method allows you to convert between different types of period. However to achieve this
* it makes the assumption that all weeks are 7 days long, all days are 24 hours long and all
* hours are 60 minutes long. This is not true when daylight savings is considered and may also
* not be true for some unusual chronologies. However, it is included as it is a useful operation
* for many applications and business rules.
*
* @return a period representing the number of minutes for this number of weeks
* @throws ArithmeticException if the number of minutes is too large to be represented
*/
public Minutes toStandardMinutes() {
return Minutes.minutes(FieldUtils.safeMultiply(getValue(), DateTimeConstants.MINUTES_PER_WEEK));
}
/**
* Converts this period in weeks to a period in seconds assuming a 7 day week, 24 hour day, 60
* minute hour and 60 second minute.
*
* <p>This method allows you to convert between different types of period. However to achieve this
* it makes the assumption that all weeks are 7 days long, all days are 24 hours long, all hours
* are 60 minutes long and all minutes are 60 seconds long. This is not true when daylight savings
* is considered and may also not be true for some unusual chronologies. However, it is included
* as it is a useful operation for many applications and business rules.
*
* @return a period representing the number of seconds for this number of weeks
* @throws ArithmeticException if the number of seconds is too large to be represented
*/
public Seconds toStandardSeconds() {
return Seconds.seconds(FieldUtils.safeMultiply(getValue(), DateTimeConstants.SECONDS_PER_WEEK));
}
// -----------------------------------------------------------------------
/**
* Converts this period in weeks to a duration in milliweeks assuming a 7 day week, 24 hour day,
* 60 minute hour and 60 second minute.
*
* <p>This method allows you to convert from a period to a duration. However to achieve this it
* makes the assumption that all weeks are 7 days long, all days are 24 hours long, all hours are
* 60 minutes long and all minutes are 60 seconds long. This is not true when daylight savings
* time is considered, and may also not be true for some unusual chronologies. However, it is
* included as it is a useful operation for many applications and business rules.
*
* @return a duration equivalent to this number of weeks
*/
public Duration toStandardDuration() {
long weeks = getValue(); // assign to a long
return new Duration(weeks * DateTimeConstants.MILLIS_PER_WEEK);
}
// -----------------------------------------------------------------------
/**
* Gets the number of weeks that this period represents.
*
* @return the number of weeks in the period
*/
public int getWeeks() {
return getValue();
}
// -----------------------------------------------------------------------
/**
* Returns a new instance with the specified number of weeks added.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param weeks the amount of weeks to add, may be negative
* @return the new period plus the specified number of weeks
* @throws ArithmeticException if the result overflows an int
*/
public Weeks plus(int weeks) {
if (weeks == 0) {
return this;
}
return Weeks.weeks(FieldUtils.safeAdd(getValue(), weeks));
}
/**
* Returns a new instance with the specified number of weeks added.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param weeks the amount of weeks to add, may be negative, null means zero
* @return the new period plus the specified number of weeks
* @throws ArithmeticException if the result overflows an int
*/
public Weeks plus(Weeks weeks) {
if (weeks == null) {
return this;
}
return plus(weeks.getValue());
}
// -----------------------------------------------------------------------
/**
* Returns a new instance with the specified number of weeks taken away.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param weeks the amount of weeks to take away, may be negative
* @return the new period minus the specified number of weeks
* @throws ArithmeticException if the result overflows an int
*/
public Weeks minus(int weeks) {
return plus(FieldUtils.safeNegate(weeks));
}
/**
* Returns a new instance with the specified number of weeks taken away.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param weeks the amount of weeks to take away, may be negative, null means zero
* @return the new period minus the specified number of weeks
* @throws ArithmeticException if the result overflows an int
*/
public Weeks minus(Weeks weeks) {
if (weeks == null) {
return this;
}
return minus(weeks.getValue());
}
// -----------------------------------------------------------------------
/**
* Returns a new instance with the weeks multiplied by the specified scalar.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param scalar the amount to multiply by, may be negative
* @return the new period multiplied by the specified scalar
* @throws ArithmeticException if the result overflows an int
*/
public Weeks multipliedBy(int scalar) {
return Weeks.weeks(FieldUtils.safeMultiply(getValue(), scalar));
}
/**
* Returns a new instance with the weeks divided by the specified divisor. The calculation uses
* integer division, thus 3 divided by 2 is 1.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param divisor the amount to divide by, may be negative
* @return the new period divided by the specified divisor
* @throws ArithmeticException if the divisor is zero
*/
public Weeks dividedBy(int divisor) {
if (divisor == 1) {
return this;
}
return Weeks.weeks(getValue() / divisor);
}
// -----------------------------------------------------------------------
/**
* Returns a new instance with the weeks value negated.
*
* @return the new period with a negated value
* @throws ArithmeticException if the result overflows an int
*/
public Weeks negated() {
return Weeks.weeks(FieldUtils.safeNegate(getValue()));
}
// -----------------------------------------------------------------------
/**
* Is this weeks instance greater than the specified number of weeks.
*
* @param other the other period, null means zero
* @return true if this weeks instance is greater than the specified one
*/
public boolean isGreaterThan(Weeks other) {
if (other == null) {
return getValue() > 0;
}
return getValue() > other.getValue();
}
/**
* Is this weeks instance less than the specified number of weeks.
*
* @param other the other period, null means zero
* @return true if this weeks instance is less than the specified one
*/
public boolean isLessThan(Weeks other) {
if (other == null) {
return getValue() < 0;
}
return getValue() < other.getValue();
}
// -----------------------------------------------------------------------
/**
* Gets this instance as a String in the ISO8601 duration format.
*
* <p>For example, "P4W" represents 4 weeks.
*
* @return the value as an ISO8601 string
*/
@ToString
public String toString() {
return "P" + String.valueOf(getValue()) + "W";
}
}
/**
* Gets the period type, which is <code>weeks</code>.
*
* @return the period type
*/
public PeriodType getPeriodType() {
return PeriodType.weeks();
}
/**
* An immutable time period representing a number of years.
*
* <p><code>Years</code> is an immutable period that can only store years. It does not store years,
* days or hours for example. As such it is a type-safe way of representing a number of years in an
* application.
*
* <p>The number of years is set in the constructor, and may be queried using <code>getYears()
* </code>. Basic mathematical operations are provided - <code>plus()</code>, <code>minus()</code>,
* <code>multipliedBy()</code> and <code>dividedBy()</code>.
*
* <p><code>Years</code> is thread-safe and immutable.
*
* @author Stephen Colebourne
* @since 1.4
*/
public final class Years extends BaseSingleFieldPeriod {
/** Constant representing zero years. */
public static final Years ZERO = new Years(0);
/** Constant representing one year. */
public static final Years ONE = new Years(1);
/** Constant representing two years. */
public static final Years TWO = new Years(2);
/** Constant representing three years. */
public static final Years THREE = new Years(3);
/** Constant representing the maximum number of years that can be stored in this object. */
public static final Years MAX_VALUE = new Years(Integer.MAX_VALUE);
/** Constant representing the minimum number of years that can be stored in this object. */
public static final Years MIN_VALUE = new Years(Integer.MIN_VALUE);
/** The paser to use for this class. */
private static final PeriodFormatter PARSER =
ISOPeriodFormat.standard().withParseType(PeriodType.years());
/** Serialization version. */
private static final long serialVersionUID = 87525275727380868L;
// -----------------------------------------------------------------------
/**
* Obtains an instance of <code>Years</code> that may be cached. <code>Years</code> is immutable,
* so instances can be cached and shared. This factory method provides access to shared instances.
*
* @param years the number of years to obtain an instance for
* @return the instance of Years
*/
public static Years years(int years) {
switch (years) {
case 0:
return ZERO;
case 1:
return ONE;
case 2:
return TWO;
case 3:
return THREE;
case Integer.MAX_VALUE:
return MAX_VALUE;
case Integer.MIN_VALUE:
return MIN_VALUE;
default:
return new Years(years);
}
}
// -----------------------------------------------------------------------
/**
* Creates a <code>Years</code> representing the number of whole years between the two specified
* datetimes. This method corectly handles any daylight savings time changes that may occur during
* the interval.
*
* @param start the start instant, must not be null
* @param end the end instant, must not be null
* @return the period in years
* @throws IllegalArgumentException if the instants are null or invalid
*/
public static Years yearsBetween(ReadableInstant start, ReadableInstant end) {
int amount = BaseSingleFieldPeriod.between(start, end, DurationFieldType.years());
return Years.years(amount);
}
/**
* Creates a <code>Years</code> representing the number of whole years between the two specified
* partial datetimes.
*
* <p>The two partials must contain the same fields, for example you can specify two <code>
* LocalDate</code> objects.
*
* @param start the start partial date, must not be null
* @param end the end partial date, must not be null
* @return the period in years
* @throws IllegalArgumentException if the partials are null or invalid
*/
public static Years yearsBetween(ReadablePartial start, ReadablePartial end) {
if (start instanceof LocalDate && end instanceof LocalDate) {
Chronology chrono = DateTimeUtils.getChronology(start.getChronology());
int years =
chrono
.years()
.getDifference(
((LocalDate) end).getLocalMillis(), ((LocalDate) start).getLocalMillis());
return Years.years(years);
}
int amount = BaseSingleFieldPeriod.between(start, end, ZERO);
return Years.years(amount);
}
/**
* Creates a <code>Years</code> representing the number of whole years in the specified interval.
* This method corectly handles any daylight savings time changes that may occur during the
* interval.
*
* @param interval the interval to extract years from, null returns zero
* @return the period in years
* @throws IllegalArgumentException if the partials are null or invalid
*/
public static Years yearsIn(ReadableInterval interval) {
if (interval == null) {
return Years.ZERO;
}
int amount =
BaseSingleFieldPeriod.between(
interval.getStart(), interval.getEnd(), DurationFieldType.years());
return Years.years(amount);
}
// /**
// * Creates a new <code>Years</code> by parsing a string in the ISO8601 format 'PnY'.
// * <p>
// * The parse will accept the full ISO syntax of PnYnMnWnDTnHnMnS however only the
// * years component may be non-zero. If any other component is non-zero, an exception
// * will be thrown.
// *
// * @param periodStr the period string, null returns zero
// * @return the period in years
// * @throws IllegalArgumentException if the string format is invalid
// */
// public static Years parseYears(String periodStr) {
// if (periodStr == null) {
// return Years.ZERO;
// }
// Period p = PARSER.parsePeriod(periodStr);
// return Years.years(p.getYears());
// }
// -----------------------------------------------------------------------
/**
* Creates a new instance representing a number of years. You should consider using the factory
* method {@link #years(int)} instead of the constructor.
*
* @param years the number of years to represent
*/
private Years(int years) {
super(years);
}
/**
* Resolves singletons.
*
* @return the singleton instance
*/
private Object readResolve() {
return Years.years(getValue());
}
// -----------------------------------------------------------------------
/**
* Gets the duration field type, which is <code>years</code>.
*
* @return the period type
*/
public DurationFieldType getFieldType() {
return DurationFieldType.years();
}
/**
* Gets the period type, which is <code>years</code>.
*
* @return the period type
*/
public PeriodType getPeriodType() {
return PeriodType.years();
}
// -----------------------------------------------------------------------
/**
* Gets the number of years that this period represents.
*
* @return the number of years in the period
*/
public int getYears() {
return getValue();
}
// -----------------------------------------------------------------------
/**
* Returns a new instance with the specified number of years added.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param years the amount of years to add, may be negative
* @return the new period plus the specified number of years
* @throws ArithmeticException if the result overflows an int
*/
public Years plus(int years) {
if (years == 0) {
return this;
}
return Years.years(FieldUtils.safeAdd(getValue(), years));
}
/**
* Returns a new instance with the specified number of years added.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param years the amount of years to add, may be negative, null means zero
* @return the new period plus the specified number of years
* @throws ArithmeticException if the result overflows an int
*/
public Years plus(Years years) {
if (years == null) {
return this;
}
return plus(years.getValue());
}
// -----------------------------------------------------------------------
/**
* Returns a new instance with the specified number of years taken away.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param years the amount of years to take away, may be negative
* @return the new period minus the specified number of years
* @throws ArithmeticException if the result overflows an int
*/
public Years minus(int years) {
return plus(FieldUtils.safeNegate(years));
}
/**
* Returns a new instance with the specified number of years taken away.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param years the amount of years to take away, may be negative, null means zero
* @return the new period minus the specified number of years
* @throws ArithmeticException if the result overflows an int
*/
public Years minus(Years years) {
if (years == null) {
return this;
}
return minus(years.getValue());
}
// -----------------------------------------------------------------------
/**
* Returns a new instance with the years multiplied by the specified scalar.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param scalar the amount to multiply by, may be negative
* @return the new period multiplied by the specified scalar
* @throws ArithmeticException if the result overflows an int
*/
public Years multipliedBy(int scalar) {
return Years.years(FieldUtils.safeMultiply(getValue(), scalar));
}
/**
* Returns a new instance with the years divided by the specified divisor. The calculation uses
* integer division, thus 3 divided by 2 is 1.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param divisor the amount to divide by, may be negative
* @return the new period divided by the specified divisor
* @throws ArithmeticException if the divisor is zero
*/
public Years dividedBy(int divisor) {
if (divisor == 1) {
return this;
}
return Years.years(getValue() / divisor);
}
// -----------------------------------------------------------------------
/**
* Returns a new instance with the years value negated.
*
* @return the new period with a negated value
* @throws ArithmeticException if the result overflows an int
*/
public Years negated() {
return Years.years(FieldUtils.safeNegate(getValue()));
}
// -----------------------------------------------------------------------
/**
* Is this years instance greater than the specified number of years.
*
* @param other the other period, null means zero
* @return true if this years instance is greater than the specified one
*/
public boolean isGreaterThan(Years other) {
if (other == null) {
return getValue() > 0;
}
return getValue() > other.getValue();
}
/**
* Is this years instance less than the specified number of years.
*
* @param other the other period, null means zero
* @return true if this years instance is less than the specified one
*/
public boolean isLessThan(Years other) {
if (other == null) {
return getValue() < 0;
}
return getValue() < other.getValue();
}
// -----------------------------------------------------------------------
/**
* Gets this instance as a String in the ISO8601 duration format.
*
* <p>For example, "P4Y" represents 4 years.
*
* @return the value as an ISO8601 string
*/
public String toString() {
return "P" + String.valueOf(getValue()) + "Y";
}
/**
* Creates a new <code>Years</code> by parsing a string in the ISO8601 format 'PnY'.
*
* <p>The parse will accept the full ISO syntax of PnYnMnWnDTnHnMnS however only the years
* component may be non-zero. If any other component is non-zero, an exception will be thrown.
*
* @param periodStr the period string, null returns zero
* @return the period in years
* @throws IllegalArgumentException if the string format is invalid
*/
public static Years parseYears(String periodStr) {
if (periodStr == null) {
return Years.ZERO;
}
Period p = PARSER.parsePeriod(periodStr);
return Years.years(p.getYears());
}
}
/**
* Gets the period type, which is <code>years</code>.
*
* @return the period type
*/
public PeriodType getPeriodType() {
return PeriodType.years();
}
public void testGetPeriodType() {
Minutes test = Minutes.minutes(20);
assertEquals(PeriodType.minutes(), test.getPeriodType());
}
/**
* Gets the period type, which is <code>hours</code>.
*
* @return the period type
*/
public PeriodType getPeriodType() {
return PeriodType.hours();
}
