Java Code Examples for java.time.temporal.TemporalAmount#getUnits()

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Example 1
Source File: Period.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance of {@code Period} from a temporal amount.
 * <p>
 * This obtains a period based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a {@code Period}.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@link ChronoUnit#YEARS YEARS}, {@link ChronoUnit#MONTHS MONTHS}
 * and {@link ChronoUnit#DAYS DAYS} units to create a period.
 * If any other units are found then an exception is thrown.
 * <p>
 * If the amount is a {@code ChronoPeriod} then it must use the ISO chronology.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent period, not null
 * @throws DateTimeException if unable to convert to a {@code Period}
 * @throws ArithmeticException if the amount of years, months or days exceeds an int
 */
public static Period from(TemporalAmount amount) {
    if (amount instanceof Period) {
        return (Period) amount;
    }
    if (amount instanceof ChronoPeriod) {
        if (IsoChronology.INSTANCE.equals(((ChronoPeriod) amount).getChronology()) == false) {
            throw new DateTimeException("Period requires ISO chronology: " + amount);
        }
    }
    Objects.requireNonNull(amount, "amount");
    int years = 0;
    int months = 0;
    int days = 0;
    for (TemporalUnit unit : amount.getUnits()) {
        long unitAmount = amount.get(unit);
        if (unit == ChronoUnit.YEARS) {
            years = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.MONTHS) {
            months = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.DAYS) {
            days = Math.toIntExact(unitAmount);
        } else {
            throw new DateTimeException("Unit must be Years, Months or Days, but was " + unit);
        }
    }
    return create(years, months, days);
}
Example 2
Source File: Period.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance of {@code Period} from a temporal amount.
 * <p>
 * This obtains a period based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a {@code Period}.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@link ChronoUnit#YEARS YEARS}, {@link ChronoUnit#MONTHS MONTHS}
 * and {@link ChronoUnit#DAYS DAYS} units to create a period.
 * If any other units are found then an exception is thrown.
 * <p>
 * If the amount is a {@code ChronoPeriod} then it must use the ISO chronology.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent period, not null
 * @throws DateTimeException if unable to convert to a {@code Period}
 * @throws ArithmeticException if the amount of years, months or days exceeds an int
 */
public static Period from(TemporalAmount amount) {
    if (amount instanceof Period) {
        return (Period) amount;
    }
    if (amount instanceof ChronoPeriod) {
        if (IsoChronology.INSTANCE.equals(((ChronoPeriod) amount).getChronology()) == false) {
            throw new DateTimeException("Period requires ISO chronology: " + amount);
        }
    }
    Objects.requireNonNull(amount, "amount");
    int years = 0;
    int months = 0;
    int days = 0;
    for (TemporalUnit unit : amount.getUnits()) {
        long unitAmount = amount.get(unit);
        if (unit == ChronoUnit.YEARS) {
            years = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.MONTHS) {
            months = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.DAYS) {
            days = Math.toIntExact(unitAmount);
        } else {
            throw new DateTimeException("Unit must be Years, Months or Days, but was " + unit);
        }
    }
    return create(years, months, days);
}
Example 3
Source File: Period.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance of {@code Period} from a temporal amount.
 * <p>
 * This obtains a period based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a {@code Period}.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@link ChronoUnit#YEARS YEARS}, {@link ChronoUnit#MONTHS MONTHS}
 * and {@link ChronoUnit#DAYS DAYS} units to create a period.
 * If any other units are found then an exception is thrown.
 * <p>
 * If the amount is a {@code ChronoPeriod} then it must use the ISO chronology.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent period, not null
 * @throws DateTimeException if unable to convert to a {@code Period}
 * @throws ArithmeticException if the amount of years, months or days exceeds an int
 */
public static Period from(TemporalAmount amount) {
    if (amount instanceof Period) {
        return (Period) amount;
    }
    if (amount instanceof ChronoPeriod) {
        if (IsoChronology.INSTANCE.equals(((ChronoPeriod) amount).getChronology()) == false) {
            throw new DateTimeException("Period requires ISO chronology: " + amount);
        }
    }
    Objects.requireNonNull(amount, "amount");
    int years = 0;
    int months = 0;
    int days = 0;
    for (TemporalUnit unit : amount.getUnits()) {
        long unitAmount = amount.get(unit);
        if (unit == ChronoUnit.YEARS) {
            years = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.MONTHS) {
            months = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.DAYS) {
            days = Math.toIntExact(unitAmount);
        } else {
            throw new DateTimeException("Unit must be Years, Months or Days, but was " + unit);
        }
    }
    return create(years, months, days);
}
Example 4
Source File: Period.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance of {@code Period} from a temporal amount.
 * <p>
 * This obtains a period based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a {@code Period}.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@link ChronoUnit#YEARS YEARS}, {@link ChronoUnit#MONTHS MONTHS}
 * and {@link ChronoUnit#DAYS DAYS} units to create a period.
 * If any other units are found then an exception is thrown.
 * <p>
 * If the amount is a {@code ChronoPeriod} then it must use the ISO chronology.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent period, not null
 * @throws DateTimeException if unable to convert to a {@code Period}
 * @throws ArithmeticException if the amount of years, months or days exceeds an int
 */
public static Period from(TemporalAmount amount) {
    if (amount instanceof Period) {
        return (Period) amount;
    }
    if (amount instanceof ChronoPeriod) {
        if (IsoChronology.INSTANCE.equals(((ChronoPeriod) amount).getChronology()) == false) {
            throw new DateTimeException("Period requires ISO chronology: " + amount);
        }
    }
    Objects.requireNonNull(amount, "amount");
    int years = 0;
    int months = 0;
    int days = 0;
    for (TemporalUnit unit : amount.getUnits()) {
        long unitAmount = amount.get(unit);
        if (unit == ChronoUnit.YEARS) {
            years = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.MONTHS) {
            months = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.DAYS) {
            days = Math.toIntExact(unitAmount);
        } else {
            throw new DateTimeException("Unit must be Years, Months or Days, but was " + unit);
        }
    }
    return create(years, months, days);
}
Example 5
Source File: Period.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance of {@code Period} from a temporal amount.
 * <p>
 * This obtains a period based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a {@code Period}.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@link ChronoUnit#YEARS YEARS}, {@link ChronoUnit#MONTHS MONTHS}
 * and {@link ChronoUnit#DAYS DAYS} units to create a period.
 * If any other units are found then an exception is thrown.
 * <p>
 * If the amount is a {@code ChronoPeriod} then it must use the ISO chronology.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent period, not null
 * @throws DateTimeException if unable to convert to a {@code Period}
 * @throws ArithmeticException if the amount of years, months or days exceeds an int
 */
public static Period from(TemporalAmount amount) {
    if (amount instanceof Period) {
        return (Period) amount;
    }
    if (amount instanceof ChronoPeriod) {
        if (IsoChronology.INSTANCE.equals(((ChronoPeriod) amount).getChronology()) == false) {
            throw new DateTimeException("Period requires ISO chronology: " + amount);
        }
    }
    Objects.requireNonNull(amount, "amount");
    int years = 0;
    int months = 0;
    int days = 0;
    for (TemporalUnit unit : amount.getUnits()) {
        long unitAmount = amount.get(unit);
        if (unit == ChronoUnit.YEARS) {
            years = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.MONTHS) {
            months = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.DAYS) {
            days = Math.toIntExact(unitAmount);
        } else {
            throw new DateTimeException("Unit must be Years, Months or Days, but was " + unit);
        }
    }
    return create(years, months, days);
}
Example 6
Source File: Period.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance of {@code Period} from a temporal amount.
 * <p>
 * This obtains a period based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a {@code Period}.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@link ChronoUnit#YEARS YEARS}, {@link ChronoUnit#MONTHS MONTHS}
 * and {@link ChronoUnit#DAYS DAYS} units to create a period.
 * If any other units are found then an exception is thrown.
 * <p>
 * If the amount is a {@code ChronoPeriod} then it must use the ISO chronology.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent period, not null
 * @throws DateTimeException if unable to convert to a {@code Period}
 * @throws ArithmeticException if the amount of years, months or days exceeds an int
 */
public static Period from(TemporalAmount amount) {
    if (amount instanceof Period) {
        return (Period) amount;
    }
    if (amount instanceof ChronoPeriod) {
        if (IsoChronology.INSTANCE.equals(((ChronoPeriod) amount).getChronology()) == false) {
            throw new DateTimeException("Period requires ISO chronology: " + amount);
        }
    }
    Objects.requireNonNull(amount, "amount");
    int years = 0;
    int months = 0;
    int days = 0;
    for (TemporalUnit unit : amount.getUnits()) {
        long unitAmount = amount.get(unit);
        if (unit == ChronoUnit.YEARS) {
            years = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.MONTHS) {
            months = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.DAYS) {
            days = Math.toIntExact(unitAmount);
        } else {
            throw new DateTimeException("Unit must be Years, Months or Days, but was " + unit);
        }
    }
    return create(years, months, days);
}
Example 7
Source File: Period.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
/**
 * Obtains an instance of {@code Period} from a temporal amount.
 * <p>
 * This obtains a period based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a {@code Period}.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@link ChronoUnit#YEARS YEARS}, {@link ChronoUnit#MONTHS MONTHS}
 * and {@link ChronoUnit#DAYS DAYS} units to create a period.
 * If any other units are found then an exception is thrown.
 * <p>
 * If the amount is a {@code ChronoPeriod} then it must use the ISO chronology.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent period, not null
 * @throws DateTimeException if unable to convert to a {@code Period}
 * @throws ArithmeticException if the amount of years, months or days exceeds an int
 */
public static Period from(TemporalAmount amount) {
    if (amount instanceof Period) {
        return (Period) amount;
    }
    if (amount instanceof ChronoPeriod) {
        if (IsoChronology.INSTANCE.equals(((ChronoPeriod) amount).getChronology()) == false) {
            throw new DateTimeException("Period requires ISO chronology: " + amount);
        }
    }
    Objects.requireNonNull(amount, "amount");
    int years = 0;
    int months = 0;
    int days = 0;
    for (TemporalUnit unit : amount.getUnits()) {
        long unitAmount = amount.get(unit);
        if (unit == ChronoUnit.YEARS) {
            years = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.MONTHS) {
            months = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.DAYS) {
            days = Math.toIntExact(unitAmount);
        } else {
            throw new DateTimeException("Unit must be Years, Months or Days, but was " + unit);
        }
    }
    return create(years, months, days);
}
Example 8
Source File: Period.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance of {@code Period} from a temporal amount.
 * <p>
 * This obtains a period based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a {@code Period}.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@link ChronoUnit#YEARS YEARS}, {@link ChronoUnit#MONTHS MONTHS}
 * and {@link ChronoUnit#DAYS DAYS} units to create a period.
 * If any other units are found then an exception is thrown.
 * <p>
 * If the amount is a {@code ChronoPeriod} then it must use the ISO chronology.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent period, not null
 * @throws DateTimeException if unable to convert to a {@code Period}
 * @throws ArithmeticException if the amount of years, months or days exceeds an int
 */
public static Period from(TemporalAmount amount) {
    if (amount instanceof Period) {
        return (Period) amount;
    }
    if (amount instanceof ChronoPeriod) {
        if (IsoChronology.INSTANCE.equals(((ChronoPeriod) amount).getChronology()) == false) {
            throw new DateTimeException("Period requires ISO chronology: " + amount);
        }
    }
    Objects.requireNonNull(amount, "amount");
    int years = 0;
    int months = 0;
    int days = 0;
    for (TemporalUnit unit : amount.getUnits()) {
        long unitAmount = amount.get(unit);
        if (unit == ChronoUnit.YEARS) {
            years = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.MONTHS) {
            months = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.DAYS) {
            days = Math.toIntExact(unitAmount);
        } else {
            throw new DateTimeException("Unit must be Years, Months or Days, but was " + unit);
        }
    }
    return create(years, months, days);
}
Example 9
Source File: Period.java    From j2objc with Apache License 2.0 5 votes vote down vote up 
/**
 * Obtains an instance of {@code Period} from a temporal amount.
 * <p>
 * This obtains a period based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a {@code Period}.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@link ChronoUnit#YEARS YEARS}, {@link ChronoUnit#MONTHS MONTHS}
 * and {@link ChronoUnit#DAYS DAYS} units to create a period.
 * If any other units are found then an exception is thrown.
 * <p>
 * If the amount is a {@code ChronoPeriod} then it must use the ISO chronology.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent period, not null
 * @throws DateTimeException if unable to convert to a {@code Period}
 * @throws ArithmeticException if the amount of years, months or days exceeds an int
 */
public static Period from(TemporalAmount amount) {
    if (amount instanceof Period) {
        return (Period) amount;
    }
    if (amount instanceof ChronoPeriod) {
        if (IsoChronology.INSTANCE.equals(((ChronoPeriod) amount).getChronology()) == false) {
            throw new DateTimeException("Period requires ISO chronology: " + amount);
        }
    }
    Objects.requireNonNull(amount, "amount");
    int years = 0;
    int months = 0;
    int days = 0;
    for (TemporalUnit unit : amount.getUnits()) {
        long unitAmount = amount.get(unit);
        if (unit == ChronoUnit.YEARS) {
            years = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.MONTHS) {
            months = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.DAYS) {
            days = Math.toIntExact(unitAmount);
        } else {
            throw new DateTimeException("Unit must be Years, Months or Days, but was " + unit);
        }
    }
    return create(years, months, days);
}
Example 10
Source File: Duration.java    From openjdk-jdk9 with GNU General Public License v2.0 3 votes vote down vote up 
/**
 * Obtains an instance of {@code Duration} from a temporal amount.
 * <p>
 * This obtains a duration based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a duration.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@linkplain TemporalUnit#getDuration() duration} of the unit to
 * calculate the total {@code Duration}.
 * Only a subset of units are accepted by this method. The unit must either
 * have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
 * or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
 * If any other units are found then an exception is thrown.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent duration, not null
 * @throws DateTimeException if unable to convert to a {@code Duration}
 * @throws ArithmeticException if numeric overflow occurs
 */
public static Duration from(TemporalAmount amount) {
    Objects.requireNonNull(amount, "amount");
    Duration duration = ZERO;
    for (TemporalUnit unit : amount.getUnits()) {
        duration = duration.plus(amount.get(unit), unit);
    }
    return duration;
}
Example 11
Source File: Duration.java    From jdk8u_jdk with GNU General Public License v2.0 3 votes vote down vote up 
/**
 * Obtains an instance of {@code Duration} from a temporal amount.
 * <p>
 * This obtains a duration based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a duration.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@linkplain TemporalUnit#getDuration() duration} of the unit to
 * calculate the total {@code Duration}.
 * Only a subset of units are accepted by this method. The unit must either
 * have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
 * or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
 * If any other units are found then an exception is thrown.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent duration, not null
 * @throws DateTimeException if unable to convert to a {@code Duration}
 * @throws ArithmeticException if numeric overflow occurs
 */
public static Duration from(TemporalAmount amount) {
    Objects.requireNonNull(amount, "amount");
    Duration duration = ZERO;
    for (TemporalUnit unit : amount.getUnits()) {
        duration = duration.plus(amount.get(unit), unit);
    }
    return duration;
}
Example 12
Source File: Duration.java    From jdk8u-jdk with GNU General Public License v2.0 3 votes vote down vote up 
/**
 * Obtains an instance of {@code Duration} from a temporal amount.
 * <p>
 * This obtains a duration based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a duration.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@linkplain TemporalUnit#getDuration() duration} of the unit to
 * calculate the total {@code Duration}.
 * Only a subset of units are accepted by this method. The unit must either
 * have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
 * or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
 * If any other units are found then an exception is thrown.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent duration, not null
 * @throws DateTimeException if unable to convert to a {@code Duration}
 * @throws ArithmeticException if numeric overflow occurs
 */
public static Duration from(TemporalAmount amount) {
    Objects.requireNonNull(amount, "amount");
    Duration duration = ZERO;
    for (TemporalUnit unit : amount.getUnits()) {
        duration = duration.plus(amount.get(unit), unit);
    }
    return duration;
}
Example 13
Source File: Duration.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 3 votes vote down vote up 
/**
 * Obtains an instance of {@code Duration} from a temporal amount.
 * <p>
 * This obtains a duration based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a duration.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@linkplain TemporalUnit#getDuration() duration} of the unit to
 * calculate the total {@code Duration}.
 * Only a subset of units are accepted by this method. The unit must either
 * have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
 * or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
 * If any other units are found then an exception is thrown.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent duration, not null
 * @throws DateTimeException if unable to convert to a {@code Duration}
 * @throws ArithmeticException if numeric overflow occurs
 */
public static Duration from(TemporalAmount amount) {
    Objects.requireNonNull(amount, "amount");
    Duration duration = ZERO;
    for (TemporalUnit unit : amount.getUnits()) {
        duration = duration.plus(amount.get(unit), unit);
    }
    return duration;
}
Example 14
Source File: Duration.java    From j2objc with Apache License 2.0 3 votes vote down vote up 
/**
 * Obtains an instance of {@code Duration} from a temporal amount.
 * <p>
 * This obtains a duration based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a duration.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@linkplain TemporalUnit#getDuration() duration} of the unit to
 * calculate the total {@code Duration}.
 * Only a subset of units are accepted by this method. The unit must either
 * have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
 * or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
 * If any other units are found then an exception is thrown.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent duration, not null
 * @throws DateTimeException if unable to convert to a {@code Duration}
 * @throws ArithmeticException if numeric overflow occurs
 */
public static Duration from(TemporalAmount amount) {
    Objects.requireNonNull(amount, "amount");
    Duration duration = ZERO;
    for (TemporalUnit unit : amount.getUnits()) {
        duration = duration.plus(amount.get(unit), unit);
    }
    return duration;
}
Example 15
Source File: Duration.java    From jdk8u-dev-jdk with GNU General Public License v2.0 3 votes vote down vote up 
/**
 * Obtains an instance of {@code Duration} from a temporal amount.
 * <p>
 * This obtains a duration based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a duration.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@linkplain TemporalUnit#getDuration() duration} of the unit to
 * calculate the total {@code Duration}.
 * Only a subset of units are accepted by this method. The unit must either
 * have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
 * or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
 * If any other units are found then an exception is thrown.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent duration, not null
 * @throws DateTimeException if unable to convert to a {@code Duration}
 * @throws ArithmeticException if numeric overflow occurs
 */
public static Duration from(TemporalAmount amount) {
    Objects.requireNonNull(amount, "amount");
    Duration duration = ZERO;
    for (TemporalUnit unit : amount.getUnits()) {
        duration = duration.plus(amount.get(unit), unit);
    }
    return duration;
}
Example 16
Source File: Duration.java    From Java8CN with Apache License 2.0 3 votes vote down vote up 
/**
 * Obtains an instance of {@code Duration} from a temporal amount.
 * <p>
 * This obtains a duration based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a duration.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@linkplain TemporalUnit#getDuration() duration} of the unit to
 * calculate the total {@code Duration}.
 * Only a subset of units are accepted by this method. The unit must either
 * have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
 * or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
 * If any other units are found then an exception is thrown.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent duration, not null
 * @throws DateTimeException if unable to convert to a {@code Duration}
 * @throws ArithmeticException if numeric overflow occurs
 */
public static Duration from(TemporalAmount amount) {
    Objects.requireNonNull(amount, "amount");
    Duration duration = ZERO;
    for (TemporalUnit unit : amount.getUnits()) {
        duration = duration.plus(amount.get(unit), unit);
    }
    return duration;
}
Example 17
Source File: Duration.java    From JDKSourceCode1.8 with MIT License 3 votes vote down vote up 
/**
 * Obtains an instance of {@code Duration} from a temporal amount.
 * <p>
 * This obtains a duration based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a duration.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@linkplain TemporalUnit#getDuration() duration} of the unit to
 * calculate the total {@code Duration}.
 * Only a subset of units are accepted by this method. The unit must either
 * have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
 * or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
 * If any other units are found then an exception is thrown.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent duration, not null
 * @throws DateTimeException if unable to convert to a {@code Duration}
 * @throws ArithmeticException if numeric overflow occurs
 */
public static Duration from(TemporalAmount amount) {
    Objects.requireNonNull(amount, "amount");
    Duration duration = ZERO;
    for (TemporalUnit unit : amount.getUnits()) {
        duration = duration.plus(amount.get(unit), unit);
    }
    return duration;
}
Example 18
Source File: Duration.java    From jdk8u60 with GNU General Public License v2.0 3 votes vote down vote up 
/**
 * Obtains an instance of {@code Duration} from a temporal amount.
 * <p>
 * This obtains a duration based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a duration.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@linkplain TemporalUnit#getDuration() duration} of the unit to
 * calculate the total {@code Duration}.
 * Only a subset of units are accepted by this method. The unit must either
 * have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
 * or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
 * If any other units are found then an exception is thrown.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent duration, not null
 * @throws DateTimeException if unable to convert to a {@code Duration}
 * @throws ArithmeticException if numeric overflow occurs
 */
public static Duration from(TemporalAmount amount) {
    Objects.requireNonNull(amount, "amount");
    Duration duration = ZERO;
    for (TemporalUnit unit : amount.getUnits()) {
        duration = duration.plus(amount.get(unit), unit);
    }
    return duration;
}
Example 19
Source File: Duration.java    From TencentKona-8 with GNU General Public License v2.0 3 votes vote down vote up 
/**
 * Obtains an instance of {@code Duration} from a temporal amount.
 * <p>
 * This obtains a duration based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a duration.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@linkplain TemporalUnit#getDuration() duration} of the unit to
 * calculate the total {@code Duration}.
 * Only a subset of units are accepted by this method. The unit must either
 * have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
 * or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
 * If any other units are found then an exception is thrown.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent duration, not null
 * @throws DateTimeException if unable to convert to a {@code Duration}
 * @throws ArithmeticException if numeric overflow occurs
 */
public static Duration from(TemporalAmount amount) {
    Objects.requireNonNull(amount, "amount");
    Duration duration = ZERO;
    for (TemporalUnit unit : amount.getUnits()) {
        duration = duration.plus(amount.get(unit), unit);
    }
    return duration;
}
Example 20
Source File: Duration.java    From jdk1.8-source-analysis with Apache License 2.0 3 votes vote down vote up 
/**
 * Obtains an instance of {@code Duration} from a temporal amount.
 * <p>
 * This obtains a duration based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a duration.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@linkplain TemporalUnit#getDuration() duration} of the unit to
 * calculate the total {@code Duration}.
 * Only a subset of units are accepted by this method. The unit must either
 * have an {@linkplain TemporalUnit#isDurationEstimated() exact duration}
 * or be {@link ChronoUnit#DAYS} which is treated as 24 hours.
 * If any other units are found then an exception is thrown.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent duration, not null
 * @throws DateTimeException if unable to convert to a {@code Duration}
 * @throws ArithmeticException if numeric overflow occurs
 */
public static Duration from(TemporalAmount amount) {
    Objects.requireNonNull(amount, "amount");
    Duration duration = ZERO;
    for (TemporalUnit unit : amount.getUnits()) {
        duration = duration.plus(amount.get(unit), unit);
    }
    return duration;
}