Example usage for javax.xml.datatype Duration getField

Introduction

In this page you can find the example usage for javax.xml.datatype Duration getField.

Prototype

public abstract Number getField(final DatatypeConstants.Field field);

Source Link

Document

Gets the value of a field.

Usage

From source file:Main.java

private static javax.xml.datatype.Duration normaliseSeconds(javax.xml.datatype.Duration duration) {
    BigInteger years = (BigInteger) duration.getField(DatatypeConstants.YEARS);
    BigInteger months = (BigInteger) duration.getField(DatatypeConstants.MONTHS);
    BigInteger days = (BigInteger) duration.getField(DatatypeConstants.DAYS);

    BigInteger hours = (BigInteger) duration.getField(DatatypeConstants.HOURS);
    BigInteger minutes = (BigInteger) duration.getField(DatatypeConstants.MINUTES);
    BigDecimal seconds = (BigDecimal) duration.getField(DatatypeConstants.SECONDS);

    seconds = seconds.stripTrailingZeros();

    boolean positive = duration.getSign() >= 0;

    return FACTORY.newDuration(positive, years, months, days, hours, minutes, seconds);
}

---

From source file:Main.java

/**
 * Return just the fractional part of the seconds component of a duration object,
 * i.e. 1:2:34.45 => 0.45//from  w  w w.j av  a 2 s . c  om
 * @param duration The duration object to examine.
 * @return The fractional part of the seconds field.
 */
private static BigDecimal fractionalSeconds(Duration duration) {
    BigDecimal seconds = (BigDecimal) duration.getField(DatatypeConstants.SECONDS);

    return seconds.subtract(new BigDecimal(seconds.toBigInteger()));
}

---

From source file:Main.java

/**
 * Java runtime 1.5 is inconsistent with its handling of days in Duration objects.
 * @param duration A duration object to be normalised
 * @return A day-normalised duration, i.e. all years and months converted to days,
 * e.g. 1Y 3M 3D => 458 days//from w w w  .  j  a v  a  2s. c om
 */
private static javax.xml.datatype.Duration normaliseDays(javax.xml.datatype.Duration duration) {
    final long DAYS_PER_MONTH = 30;
    final long DAYS_PER_YEAR = 365;

    BigInteger days = (BigInteger) duration.getField(DatatypeConstants.DAYS);
    BigInteger months = (BigInteger) duration.getField(DatatypeConstants.MONTHS);
    BigInteger years = (BigInteger) duration.getField(DatatypeConstants.YEARS);

    BigInteger normalisedDays = years.multiply(BigInteger.valueOf(DAYS_PER_YEAR));
    normalisedDays = normalisedDays.add(months.multiply(BigInteger.valueOf(DAYS_PER_MONTH)));
    normalisedDays = normalisedDays.add(days);

    BigInteger hours = (BigInteger) duration.getField(DatatypeConstants.HOURS);
    BigInteger minutes = (BigInteger) duration.getField(DatatypeConstants.MINUTES);
    BigDecimal seconds = (BigDecimal) duration.getField(DatatypeConstants.SECONDS);

    boolean positive = duration.getSign() >= 0;

    return FACTORY.newDuration(positive, BigInteger.ZERO, BigInteger.ZERO, normalisedDays, hours, minutes,
            seconds);
}

---

From source file:Main.java

/**
 * Special compare method that gets around the problem in java 1.5,
 * where years and months are converted to days after arithmetic.
 * @param d1 First duration//from w  w w  .  j  a v  a 2s .c om
 * @param d2 Second duration
 * @return -1 if d1 < d2, 0 if d1 == d2 and +1 if d1 > d2
 */
public static int compare(Duration d1, Duration d2) {
    if (d1 == null && d2 == null)
        return 0;

    if (d1 == null)
        return -1;

    if (d2 == null)
        return 1;

    boolean b1 = d1.getSign() >= 0;
    boolean b2 = d2.getSign() >= 0;

    if (!b1 && b2)
        return -1;

    if (b1 && !b2)
        return 1;

    // Now normalise in case we are running with java 1.5 runtime
    javax.xml.datatype.Duration n1 = normaliseDays(d1);
    javax.xml.datatype.Duration n2 = normaliseDays(d2);

    if (n1.getDays() < n2.getDays())
        return -1;
    if (n1.getDays() > n2.getDays())
        return 1;

    if (n1.getHours() < n2.getHours())
        return -1;
    if (n1.getHours() > n2.getHours())
        return 1;

    if (n1.getMinutes() < n2.getMinutes())
        return -1;
    if (n1.getMinutes() > n2.getMinutes())
        return 1;

    BigDecimal s1 = (BigDecimal) n1.getField(DatatypeConstants.SECONDS);
    BigDecimal s2 = (BigDecimal) n2.getField(DatatypeConstants.SECONDS);

    return s1.compareTo(s2);
}

---