public void testTimeZoneHelperToICalendarCanberra() {
TimeZoneHelper vctz =
new TimeZoneHelper(
"Australia/Canberra",
1167609600000L, // 01 Jan 2007 @ 00:00:00 UTC
1349049600000L); // 01 Oct 2012 @ 00:00:00 UTC
VTimezone vtz = vctz.getVTimezone();
List<VComponent> dayLightComponents = vtz.getComponents("DAYLIGHT");
List<VComponent> standardComponents = vtz.getComponents("STANDARD");
assertEquals("Australia/Canberra", vtz.getProperty("TZID").getValue());
assertEquals(1, dayLightComponents.size());
TzDaylightComponent dayLight = (TzDaylightComponent) dayLightComponents.get(0);
assertEquals("+1000", dayLight.getProperty("TZOFFSETFROM").getValue());
assertEquals("+1100", dayLight.getProperty("TZOFFSETTO").getValue());
assertEquals("20061029T020000", dayLight.getProperty("DTSTART").getValue());
assertEquals(
"FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=10", dayLight.getProperty("RRULE").getValue());
assertEquals(1, standardComponents.size());
TzStandardComponent standard = (TzStandardComponent) standardComponents.get(0);
assertEquals("+1100", standard.getProperty("TZOFFSETFROM").getValue());
assertEquals("+1000", standard.getProperty("TZOFFSETTO").getValue());
assertEquals("20070325T030000", standard.getProperty("DTSTART").getValue());
assertEquals(
"FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=3", standard.getProperty("RRULE").getValue());
}
public void testTimeZoneHelperToICalendarBogota() {
TimeZoneHelper vctz =
new TimeZoneHelper(
"America/Bogota",
0L, // 01 Jan 1970 @ 00:00:00 UTC
1324771200000L); // 25 Dec 2011 @ 00:00:00 UTC
VTimezone vtz = vctz.getVTimezone();
List<VComponent> dayLightComponents = vtz.getComponents("DAYLIGHT");
List<VComponent> standardComponents = vtz.getComponents("STANDARD");
assertEquals("America/Bogota", vtz.getProperty("TZID").getValue());
assertEquals(0, dayLightComponents.size());
assertEquals(2, standardComponents.size());
TzStandardComponent standard = (TzStandardComponent) standardComponents.get(0);
assertEquals("-0500", standard.getProperty("TZOFFSETFROM").getValue());
assertEquals("-0400", standard.getProperty("TZOFFSETTO").getValue());
assertEquals("19920503T000000", standard.getProperty("DTSTART").getValue());
assertEquals("19920503T000000", standard.getProperty("RDATE").getValue());
standard = (TzStandardComponent) standardComponents.get(1);
assertEquals("-0400", standard.getProperty("TZOFFSETFROM").getValue());
assertEquals("-0500", standard.getProperty("TZOFFSETTO").getValue());
assertEquals("19930404T000000", standard.getProperty("DTSTART").getValue());
assertEquals("19930404T000000", standard.getProperty("RDATE").getValue());
}
@SuppressWarnings("unchecked")
public void testTimeZoneHelperCheckAllOlsonIDsWithICalendar() throws Exception {
int mistakes = 0; // counter for mistakes in time zone handling
/*
* Max number of mistakes allowed. This value should be lowered as soon
* as improvements in the code that handles time zones reduce the
* number of mistakes. In this way, this test can be used to certify
* that the number of properly handled time zones is being constantly
* raised.
*/
final int MAX_MISTAKES = 125;
System.out.println("================================= iCalendar (2.0)");
for (String id : (Set<String>) DateTimeZone.getAvailableIDs()) {
TimeZoneHelper vctzOut =
new TimeZoneHelper(
id,
// 0L, // 01 Jan 1970 @ 00:00:00 UTC
915148800000L, // 01 Jan 1999 @ 00:00:00 UTC
1324771200000L); // 25 Dec 2011 @ 00:00:00 UTC
VTimezone vTimezone = vctzOut.getVTimezone();
// Uncomment this to debug the iCalendar items referring to one
// continent:
/*
String continent = "Australia"; // or whatever you want to watch
if (id.startsWith(continent)) {
System.out.println("\n\n" + vTimezone);
}
*/
vTimezone.getProperty("TZID").setValue(""); // The name should not be used as a hint for
// this "test"
TimeZoneHelper vctzIn =
new TimeZoneHelper(
vTimezone,
915148800000L, // 01 Jan 1999 @ 00:00:00 UTC
1324771200000L); // 25 Dec 2011 @ 00:00:00 UTC
System.out.print('\n' + id + " --> " + vctzIn.toID());
vctzIn.clearCachedID();
String guess = vctzIn.toID(id);
if (!id.equals(guess)) {
System.out.print(" (WRONG!)");
mistakes++;
}
}
System.out.println("\n\n" + mistakes + " time zones were not properly handled.");
assertTrue(mistakes <= MAX_MISTAKES);
System.out.println();
}
/**
* Creates a new instance of TimeZoneHelper on the basis of the information extracted from an
* iCalendar (vCalendar 2.0) item.
*
* @param vTimeZone
* @param from the start of the relevant time interval for the generation of transitions (an
* istant expressed as a long)
* @param to the end of the relevant time interval for the generation of transitions (an istant
* expressed as a long)
* @throws java.lang.Exception
*/
public TimeZoneHelper(VTimezone vTimeZone, long from, long to) throws Exception {
setFormattersToUTC();
Property tzID = vTimeZone.getProperty("TZID");
if (tzID != null) {
this.name = tzID.getValue();
// Try and skip the parsing by using just the TZID:
String extracted = extractID(name);
if (extracted != null) {
cacheID(extracted);
processID(extracted, from, to);
return;
}
List<VComponent> standardTimeRules = vTimeZone.getComponents("STANDARD");
List<VComponent> summerTimeRules = vTimeZone.getComponents("DAYLIGHT");
String standardTimeOffset;
if (standardTimeRules.isEmpty()) {
if (summerTimeRules.isEmpty()) {
throw new Exception("Empty VTIMEZONE");
} else {
standardTimeOffset = summerTimeRules.get(0).getProperty("TZOFFSETFROM").getValue();
}
} else {
standardTimeOffset = standardTimeRules.get(0).getProperty("TZOFFSETTO").getValue();
}
basicOffset = parseOffset(standardTimeOffset);
for (VComponent standardTimeRule : standardTimeRules) {
addTransitions(standardTimeRule, from, to);
}
for (VComponent summerTimeRule : summerTimeRules) {
addTransitions(summerTimeRule, from, to);
}
Collections.sort(transitions);
} else {
this.name = ""; // This should not happen!
}
}
public void testTimeZoneHelperToICalendarJohannesburg() {
TimeZoneHelper vctz =
new TimeZoneHelper(
"Africa/Johannesburg",
0L, // 01 Jan 1970 @ 00:00:00 UTC
1324771200000L); // 25 Dec 2011 @ 00:00:00 UTC
VTimezone vtz = vctz.getVTimezone();
List<VComponent> dayLightComponents = vtz.getComponents("DAYLIGHT");
List<VComponent> standardComponents = vtz.getComponents("STANDARD");
assertEquals("Africa/Johannesburg", vtz.getProperty("TZID").getValue());
assertEquals(0, dayLightComponents.size());
assertEquals(1, standardComponents.size());
TzStandardComponent standard = (TzStandardComponent) standardComponents.get(0);
assertEquals("+0200", standard.getProperty("TZOFFSETFROM").getValue());
assertEquals("+0200", standard.getProperty("TZOFFSETTO").getValue());
assertEquals("19700101T000000", standard.getProperty("DTSTART").getValue());
assertEquals("19700101T000000", standard.getProperty("RDATE").getValue());
}
