Hi all-
I'm new to using Joda-time, but I have a question about using Period with
negative times. According to the XML Schema xs:duration datatype, and as far
as I can tell, the ISO8601 format, a negative duration would be expressed with
a leading minus sign. For example, minus 120 days would be "-P120D". However,
I tried a quick 'roundtrip' test using org.joda.time.Period and
org.joda.time.format.ISOPeriodFormat, and this doesn't seem to work:
import org.joda.time.Period;
import org.joda.time.format.ISOPeriodFormat;
public class PeriodTester
{
public static void main(String[] args)
{
Period p = new Period(-8);
String s = ISOPeriodFormat.standard().print(p);
Period p1 = ISOPeriodFormat.standard().parsePeriod(s);
System.out.println("p:"+p+"; ->s:"+s+"; ->p1:"+p1);
}
}
I would expect this to output:
p:-PT0.008S; ->s:-PT0.008S; ->p1:-PT0.008S
But instead I get
p:PT-0.008S; ->s:PT-0.008S; ->p1:PT0.008S
So this is not able to survive an encode/decode. It appears that the encoder
is not putting the minus sign in the right place, but the decoder is expecting
a leading sign?
Is there a better way to encode the Period so that it uses a leading minus sign?
Thanks!
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