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package com.sun.org.apache.xerces.internal.jaxp.datatype;
import java.math.BigInteger;
import java.math.BigDecimal;
import javax.xml.datatype.DatatypeConstants;
/**
* <p>Represent a subtype <code>xdt:dayTimeDuration</code> of a <code>Duration</code>
* as specified in <a href="http://www.w3.org/TR/xpath-datamodel#dayTimeDuration">
* XQuery 1.0 and XPath 2.0 Data Model, xdt:dayTimeDuration</a>.</p>
*
*
* <p>The DurationYearMonth object represents a period of Gregorian time,
* with a lexical representation, "<em>PnDTnHnMnS</em>" that contains only year and month components.
* </p>
*
*
* @author <a href="mailto:Vikram.Aroskar@Sun.COM">Vikram Aroskar</a>
* @author <a href="mailto:Huizhe.wang@oracle.com">Joe Wang</a>
* @version $Revision: 1.2 $, $Date: 2010/05/19 23:20:06 $
* @see XMLGregorianCalendar#add(Duration)
*/
class DurationDayTimeImpl
extends DurationImpl {
public DurationDayTimeImpl(
boolean isPositive,
BigInteger days,
BigInteger hours,
BigInteger minutes,
BigDecimal seconds) {
super(isPositive, null, null, days, hours, minutes, seconds);
convertToCanonicalDayTime();
}
public DurationDayTimeImpl(
boolean isPositive,
int days,
int hours,
int minutes,
int seconds) {
this(
isPositive,
wrap(days),
wrap(hours),
wrap(minutes),
(seconds != DatatypeConstants.FIELD_UNDEFINED ? new BigDecimal(String.valueOf(seconds)) : null));
}
/**
* <p>Construct a <code>Duration</code> of type <code>xdt:dayTimeDuration</code> by parsing its <code>String</code> representation,
* "<em>PnDTnHnMnS</em>", <a href="http://www.w3.org/TR/xpath-datamodel#dayTimeDuration">
* XQuery 1.0 and XPath 2.0 Data Model, xdt:dayTimeDuration</a>.</p>
*
* <p>The datatype <code>xdt:dayTimeDuration</code> is a subtype of <code>xs:duration</code>
* whose lexical representation contains only day, hour, minute, and second components.
* This datatype resides in the namespace <code>http://www.w3.org/2003/11/xpath-datatypes</code>.</p>
*
* <p>All four values are set and availabe from the created {@link Duration}</p>
*
* <p>The XML Schema specification states that values can be of an arbitrary size.
* Implementations may chose not to or be incapable of supporting arbitrarily large and/or small values.
* An {@link UnsupportedOperationException} will be thrown with a message indicating implementation limits
* if implementation capacities are exceeded.</p>
*
* @param lexicalRepresentation Lexical representation of a duration.
*
* @throws IllegalArgumentException If <code>lexicalRepresentation</code> is not a valid representation of a <code>Duration</code> expressed only in terms of days and time.
* @throws UnsupportedOperationException If implementation cannot support requested values.
* @throws NullPointerException If <code>lexicalRepresentation</code> is <code>null</code>.
*/
protected DurationDayTimeImpl(String lexicalRepresentation) {
super(lexicalRepresentation);
if (getYears() > 0 || getMonths() > 0) {
throw new IllegalArgumentException(
"Trying to create an xdt:dayTimeDuration with an invalid"
+ " lexical representation of \"" + lexicalRepresentation
+ "\", data model requires a format PnDTnHnMnS.");
}
convertToCanonicalDayTime();
}
/**
* <p>Create a <code>Duration</code> of type <code>xdt:dayTimeDuration</code> using the specified milliseconds as defined in
* <a href="http://www.w3.org/TR/xpath-datamodel#dayTimeDuration">
* XQuery 1.0 and XPath 2.0 Data Model, xdt:dayTimeDuration</a>.</p>
*
* <p>The datatype <code>xdt:dayTimeDuration</code> is a subtype of <code>xs:duration</code>
* whose lexical representation contains only day, hour, minute, and second components.
* This datatype resides in the namespace <code>http://www.w3.org/2003/11/xpath-datatypes</code>.</p>
*
* <p>All four values are set by computing their values from the specified milliseconds
* and are availabe using the <code>get</code> methods of the created {@link Duration}.
* The values conform to and are defined by:</p>
* <ul>
* <li>ISO 8601:2000(E) Section 5.5.3.2 Alternative format</li>
* <li><a href="http://www.w3.org/TR/xmlschema-2/#isoformats">
* W3C XML Schema 1.0 Part 2, Appendix D, ISO 8601 Date and Time Formats</a>
* </li>
* <li>{@link XMLGregorianCalendar} Date/Time Datatype Field Mapping Between XML Schema 1.0 and Java Representation</li>
* </ul>
*
* <p>The default start instance is defined by {@link GregorianCalendar}'s use of the start of the epoch: i.e.,
* {@link java.util.Calendar#YEAR} = 1970,
* {@link java.util.Calendar#MONTH} = {@link java.util.Calendar#JANUARY},
* {@link java.util.Calendar#DATE} = 1, etc.
* This is important as there are variations in the Gregorian Calendar,
* e.g. leap years have different days in the month = {@link java.util.Calendar#FEBRUARY}
* so the result of {@link Duration#getDays()} can be influenced.</p>
*
* <p>Any remaining milliseconds after determining the day, hour, minute and second are discarded.</p>
*
* @param durationInMilliseconds Milliseconds of <code>Duration</code> to create.
*
* @return New <code>Duration</code> created with the specified <code>durationInMilliseconds</code>.
*
* @see <a href="http://www.w3.org/TR/xpath-datamodel#dayTimeDuration">
* XQuery 1.0 and XPath 2.0 Data Model, xdt:dayTimeDuration</a>
*/
protected DurationDayTimeImpl(final long durationInMilliseconds) {
super(durationInMilliseconds);
convertToCanonicalDayTime();
// only day, hour, minute, and second should have values
years = null;
months = null;
}
/**
* The value space of xs:dayTimeDuration is the set of fractional second values.
* @return fractional second values
*/
public float getValue() {
float sec = (seconds==null)?0:seconds.floatValue();
return (((((getDays() * 24) +
getHours()) * 60) +
getMinutes())*60) +
sec;
}
private void convertToCanonicalDayTime() {
while (getSeconds() >= 60)
{
seconds = seconds.subtract(BigDecimal.valueOf(60));
minutes = BigInteger.valueOf((long) getMinutes()).add(BigInteger.ONE);
}
while (getMinutes() >= 60)
{
minutes = minutes.subtract(BigInteger.valueOf(60));
hours = BigInteger.valueOf((long) getHours()).add(BigInteger.ONE);
}
while (getHours() >= 24)
{
hours = hours.subtract(BigInteger.valueOf(24));
days = BigInteger.valueOf((long) getDays()).add(BigInteger.ONE);
}
}
}