Tôi đã triển khai biziclop solution. - Nó hoạt động.
Nếu bất cứ ai đang interessted trong, ở đây nó là:
import static org.junit.Assert.assertEquals;
import java.text.DateFormat;
import java.text.DateFormatSymbols;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
import org.junit.Test;
public class DateFormatTest {
/** The locale where the tests are for. */
private static final Locale locale = Locale.ENGLISH;
/**
* Add a dot to all abbricated short months.
*
* @param dateFormatSymbols
* @return
*/
private final DateFormatSymbols addDotToAbbricationMonths(final DateFormatSymbols dateFormatSymbols) {
String[] shortMonths = dateFormatSymbols.getShortMonths();
for (int i = 0; i < shortMonths.length; i++) {
if (dateFormatSymbols.getMonths()[i].length() > shortMonths[i].length()) {
shortMonths[i] += '.';
}
}
dateFormatSymbols.setShortMonths(shortMonths);
return dateFormatSymbols;
}
/** pattern under test. */
final DateFormat format = new SimpleDateFormat("MMM yyyy", addDotToAbbricationMonths(new DateFormatSymbols(locale)));
/** Scenario: May is only 3 letters long, so there is no dot needed, because it is not an abbreviation. */
@Test
public void testShortEnought() {
Date firstMay = new GregorianCalendar(2010, Calendar.MAY, 1).getTime();
assertEquals("May 2010", format.format(firstMay));
}
/** Scenario: December is more than 3 letters long, so there is a dot needed, because it an abbreviation. */
@Test
public void testToLong() {
Date firstDecember = new GregorianCalendar(2010, Calendar.DECEMBER, 1).getTime();
assertEquals("Dec. 2010", format.format(firstDecember));
}
/** Scenario: if the DateFormatSymbols are changed for this special, it should not influence the other formatter. */
@Test
public void noInfluence() {
Date firstDecember = new GregorianCalendar(2010, Calendar.DECEMBER, 1).getTime();
assertEquals("Dec 2010", new SimpleDateFormat("MMM yyyy", locale).format(firstDecember));
}
}