下面列出了java.util.TimeZone#hasSameRules ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Returns a translated date value that has the same fields in a specified
* timezone as the passed value in the default timezone.
*
* @param value the value to translate
* @param tz the timezone to translate to
* @return the date translated to the specified timezone
*/
public static Date translateToTimezone(Date value, TimeZone tz)
{
if (tz == null)
{
return value;
}
TimeZone defaultTz = TimeZone.getDefault();
if (defaultTz.hasSameRules(tz))
{
// nothing to do
return value;
}
long time = value.getTime();
Date adjustedDate = new Date(time + tz.getOffset(time) - defaultTz.getOffset(time));
return adjustedDate;
}
private static DateTimeValue convert(DateTimeValue time, TimeZone zone, int sense) {
if (zone == null || zone.hasSameRules(ZULU) || time.year() == 0) {
return time;
}
TimeZone epochTz, dateTimeValueTz;
if (sense > 0) {
//time is in UTC; convert to time in zone provided
epochTz = ZULU;
dateTimeValueTz = zone;
} else {
//time is in local time; convert to UTC
epochTz = zone;
dateTimeValueTz = ZULU;
}
long epochSeconds = secsSinceEpoch(time);
long timetMillis = timetMillisFromEpochSecs(epochSeconds, epochTz);
return toDateTimeValue(timetMillis, dateTimeValueTz);
}
public String getClientTZCode() {
TimeZone _zone = browserTz;
if (browserTz == null) {
try {
browserTz = getClientInfo().getProperties().getTimeZone();
if (browserTz != null && !AVAILABLE_TIMEZONE_SET.contains(browserTz.getID())) {
for (String availableID : AVAILABLE_TIMEZONES) {
TimeZone zone = TimeZone.getTimeZone(availableID);
if (zone.hasSameRules(browserTz)) {
browserTz = zone;
break;
}
}
}
_zone = browserTz;
} catch (Exception e) {
//no-op
}
if (browserTz == null) {
_zone = Calendar.getInstance(getLocale()).getTimeZone();
}
}
return _zone == null ? null : _zone.getID();
}
/**
* Returns the timezone with the given name or null if no such timezone.
* @param tzString the timezone name (e.g. "America/New_York")
* @return the timezone or null if no such timezone exists
*/
public static TimeZone timeZoneForName(String tzString) {
TimeZone tz = TimeZone.getTimeZone(tzString);
if (!tz.hasSameRules(BOGUS_TIMEZONE)) {
return tz;
}
/*
* See if the user really was asking for GMT because if
* TimeZone.getTimeZone can't recognize tzString, then that is what it
* will return.
*/
Matcher m = UTC_TZID.matcher(tzString);
return m.matches() ? TimeUtils.utcTimezone() : null;
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
*
* @throws InvalidObjectException if the pattern is invalid
*/
@java.io.Serial
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
*
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
private static void assertSameRules(final String label,
final TimeZone expected,
final TimeZone actual) {
if (null == expected && null == actual) return;
assertNotNull(label + ": expected is null", expected);
assertNotNull(label + ": actual is null", actual);
final boolean same = expected.hasSameRules(actual);
assertTrue(label + ": " + expected.toString() + " [[NOT SAME RULES]] " +
actual.toString(),
same);
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}
/**
* After reading an object from the input stream, the format
* pattern in the object is verified.
* <p>
* @exception InvalidObjectException if the pattern is invalid
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
try {
compiledPattern = compile(pattern);
} catch (Exception e) {
throw new InvalidObjectException("invalid pattern");
}
if (serialVersionOnStream < 1) {
// didn't have defaultCenturyStart field
initializeDefaultCentury();
}
else {
// fill in dependent transient field
parseAmbiguousDatesAsAfter(defaultCenturyStart);
}
serialVersionOnStream = currentSerialVersion;
// If the deserialized object has a SimpleTimeZone, try
// to replace it with a ZoneInfo equivalent in order to
// be compatible with the SimpleTimeZone-based
// implementation as much as possible.
TimeZone tz = getTimeZone();
if (tz instanceof SimpleTimeZone) {
String id = tz.getID();
TimeZone zi = TimeZone.getTimeZone(id);
if (zi != null && zi.hasSameRules(tz) && zi.getID().equals(id)) {
setTimeZone(zi);
}
}
}