[master] Fix/new feature for Bug 404069 - MOXy should not append .0 to time info for dateTime and time formats + unit test

[rfelcman]

This new feature optionally add suffix/decimal part to time part/seconds in case of conversion from supported date/time formats into String. This suffix is controlled by new org.eclipse.persistence.xml.time.suffix system property.
It happens only if source time doesn't contain fraction of seconds and for XML, JSON conversion. E.g.:
For -Dorg.eclipse.persistence.xml.time.suffix=.0
Source value: 2003-08-29T03:00:00-04:00 -> Output string: 2003-08-29T03:00:00.0-04:00
Source value: 1975-02-21T07:47:15 -> Output string: 1975-02-21T07:47:15.0

It simplifies migration from WebLogic Server 11g to 12c.

Origin bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=404069

Signed-off-by: Radek Felcman [email protected]

[lukasj]

LGTM Would it make sense to have different default in master and in older releases?

[rfelcman]

This PR doesn't change default/current behavior. It works according:

DatatypeFactory df = DatatypeFactory.newInstance();
XMLGregorianCalendar xmlGregorianCalendar1 = df.newXMLGregorianCalendarTime(14, 12, 23, 20, 0);
assertEquals("14:12:23.020Z", xmlGregorianCalendar1.toXMLFormat());
XMLGregorianCalendar xmlGregorianCalendar2 = df.newXMLGregorianCalendarTime(14, 12, 23, 0);
assertEquals("14:12:23Z", xmlGregorianCalendar2.toXMLFormat());

BigDecimal number15 = new BigDecimal(1.5);
assertEquals("1.5", number15.toString());
BigDecimal number1 = new BigDecimal(1);
assertEquals("1", number1.toString());
BigDecimal number10 = new BigDecimal(1.0);
assertEquals("1", number1.toString());