下面列出了怎么用org.joda.time.IllegalInstantException的API类实例代码及写法，或者点击链接到github查看源代码。
/**
* Parses the given string into a Date object. In case the date parsed falls in a
* daylight savings transition, the date is parsed via a local date and converted to the
* first valid time after the DST gap. When the fallback is used, any timezone offset in the given
* format would be ignored.
*
* @param dateString The string to parse
* @param formatter The formatter to use for parsing
* @return Parsed Date object. Null if the supplied dateString is empty.
*/
private static Date safeParseDateTime( final String dateString, final DateTimeFormatter formatter )
{
if ( StringUtils.isEmpty( dateString ) )
{
return null;
}
try
{
return formatter.parseDateTime( dateString ).toDate();
}
catch( IllegalInstantException e )
{
return formatter.parseLocalDateTime( dateString ).toDate();
}
}
/**
* Converts dateUnit to Joda-Time DateTime with a specific chronology.
*
* @param chronology Chronology to use
* @return Populated DateTime object
*/
public DateTime toJodaDateTime( Chronology chronology )
{
try
{
return new DateTime( year, month, day, hour, minute, second, millis, chronology.withZone( DateTimeZone.forTimeZone( timeZone ) ) );
}
catch ( IllegalInstantException ex )
{
LocalDateTime localDateTime = new LocalDateTime( year, month, day, hour, minute, second, millis,
chronology.withZone( DateTimeZone.forTimeZone( timeZone ) ) );
return localDateTime.toLocalDate().toDateTimeAtStartOfDay();
}
}
/**
* @param localInstant the instant from 1970-01-01T00:00:00 local time
* @return the instant from 1970-01-01T00:00:00Z
*/
private long localToUTC(long localInstant) {
DateTimeZone zone = getZone();
int offset = zone.getOffsetFromLocal(localInstant);
localInstant -= offset;
if (offset != zone.getOffset(localInstant)) {
throw new IllegalInstantException(localInstant, zone.getID());
}
return localInstant;
}
public long set(long instant, int value) {
long localInstant = iZone.convertUTCToLocal(instant);
localInstant = iField.set(localInstant, value);
long result = iZone.convertLocalToUTC(localInstant, false, instant);
if (get(result) != value) {
IllegalInstantException cause = new IllegalInstantException(localInstant, iZone.getID());
IllegalFieldValueException ex = new IllegalFieldValueException(iField.getType(), Integer.valueOf(value), cause.getMessage());
ex.initCause(cause);
throw ex;
}
return result;
}
/**
* @param localInstant the instant from 1970-01-01T00:00:00 local time
* @return the instant from 1970-01-01T00:00:00Z
*/
private long localToUTC(long localInstant) {
DateTimeZone zone = getZone();
int offset = zone.getOffsetFromLocal(localInstant);
localInstant -= offset;
if (offset != zone.getOffset(localInstant)) {
throw new IllegalInstantException(localInstant, zone.getID());
}
return localInstant;
}
public long set(long instant, int value) {
long localInstant = iZone.convertUTCToLocal(instant);
localInstant = iField.set(localInstant, value);
long result = iZone.convertLocalToUTC(localInstant, false, instant);
if (get(result) != value) {
IllegalInstantException cause = new IllegalInstantException(localInstant, iZone.getID());
IllegalFieldValueException ex = new IllegalFieldValueException(iField.getType(), Integer.valueOf(value), cause.getMessage());
ex.initCause(cause);
throw ex;
}
return result;
}
/**
* Computes the parsed datetime by setting the saved fields.
* This method is idempotent, but it is not thread-safe.
*
* @param resetFields false by default, but when true, unsaved field values are cleared
* @param text optional text being parsed, to be included in any error message
* @return milliseconds since 1970-01-01T00:00:00Z
* @throws IllegalArgumentException if any field is out of range
* @since 1.3
*/
public long computeMillis(boolean resetFields, String text) {
SavedField[] savedFields = iSavedFields;
int count = iSavedFieldsCount;
if (iSavedFieldsShared) {
iSavedFields = savedFields = (SavedField[])iSavedFields.clone();
iSavedFieldsShared = false;
}
sort(savedFields, count);
if (count > 0) {
// alter base year for parsing if first field is month or day
DurationField months = DurationFieldType.months().getField(iChrono);
DurationField days = DurationFieldType.days().getField(iChrono);
DurationField first = savedFields[0].iField.getDurationField();
if (compareReverse(first, months) >= 0 && compareReverse(first, days) <= 0) {
saveField(DateTimeFieldType.year(), iDefaultYear);
if (resetFields) {
return computeMillis(resetFields, text);
}
}
}
long millis = iMillis;
try {
for (int i = 0; i < count; i++) {
millis = savedFields[i].set(millis, resetFields);
}
if (resetFields) {
for (int i = 0; i < count; i++) {
millis = savedFields[i].set(millis, i == (count - 1));
}
}
} catch (IllegalFieldValueException e) {
if (text != null) {
e.prependMessage("Cannot parse \"" + text + '"');
}
throw e;
}
if (iOffset != null) {
millis -= iOffset;
} else if (iZone != null) {
int offset = iZone.getOffsetFromLocal(millis);
millis -= offset;
if (offset != iZone.getOffset(millis)) {
String message = "Illegal instant due to time zone offset transition (" + iZone + ')';
if (text != null) {
message = "Cannot parse \"" + text + "\": " + message;
}
throw new IllegalInstantException(message);
}
}
return millis;
}
/**
* Computes the parsed datetime by setting the saved fields.
* This method is idempotent, but it is not thread-safe.
*
* @param resetFields false by default, but when true, unsaved field values are cleared
* @param text optional text being parsed, to be included in any error message
* @return milliseconds since 1970-01-01T00:00:00Z
* @throws IllegalArgumentException if any field is out of range
* @since 1.3
*/
public long computeMillis(boolean resetFields, String text) {
SavedField[] savedFields = iSavedFields;
int count = iSavedFieldsCount;
if (iSavedFieldsShared) {
iSavedFields = savedFields = (SavedField[])iSavedFields.clone();
iSavedFieldsShared = false;
}
sort(savedFields, count);
if (count > 0) {
// alter base year for parsing if first field is month or day
DurationField months = DurationFieldType.months().getField(iChrono);
DurationField days = DurationFieldType.days().getField(iChrono);
DurationField first = savedFields[0].iField.getDurationField();
if (compareReverse(first, months) >= 0 && compareReverse(first, days) <= 0) {
saveField(DateTimeFieldType.year(), iDefaultYear);
return computeMillis(resetFields, text);
}
}
long millis = iMillis;
try {
for (int i = 0; i < count; i++) {
millis = savedFields[i].set(millis, resetFields);
}
if (resetFields) {
for (int i = 0; i < count; i++) {
millis = savedFields[i].set(millis, i == (count - 1));
}
}
} catch (IllegalFieldValueException e) {
if (text != null) {
e.prependMessage("Cannot parse \"" + text + '"');
}
throw e;
}
if (iOffset != null) {
millis -= iOffset;
} else if (iZone != null) {
int offset = iZone.getOffsetFromLocal(millis);
millis -= offset;
if (offset != iZone.getOffset(millis)) {
String message = "Illegal instant due to time zone offset transition (" + iZone + ')';
if (text != null) {
message = "Cannot parse \"" + text + "\": " + message;
}
throw new IllegalInstantException(message);
}
}
return millis;
}
/**
* Computes the parsed datetime by setting the saved fields.
* This method is idempotent, but it is not thread-safe.
*
* @param resetFields false by default, but when true, unsaved field values are cleared
* @param text optional text being parsed, to be included in any error message
* @return milliseconds since 1970-01-01T00:00:00Z
* @throws IllegalArgumentException if any field is out of range
* @since 1.3
*/
public long computeMillis(boolean resetFields, String text) {
SavedField[] savedFields = iSavedFields;
int count = iSavedFieldsCount;
if (iSavedFieldsShared) {
iSavedFields = savedFields = (SavedField[])iSavedFields.clone();
iSavedFieldsShared = false;
}
sort(savedFields, count);
if (count > 0) {
// alter base year for parsing if first field is month or day
DurationField months = DurationFieldType.months().getField(iChrono);
DurationField days = DurationFieldType.days().getField(iChrono);
DurationField first = savedFields[0].iField.getDurationField();
if (compareReverse(first, months) >= 0 && compareReverse(first, days) <= 0) {
saveField(DateTimeFieldType.year(), iDefaultYear);
return computeMillis(resetFields, text);
}
}
long millis = iMillis;
try {
for (int i = 0; i < count; i++) {
millis = savedFields[i].set(millis, resetFields);
}
if (resetFields) {
for (int i = 0; i < count; i++) {
millis = savedFields[i].set(millis, i == (count - 1));
}
}
} catch (IllegalFieldValueException e) {
if (text != null) {
e.prependMessage("Cannot parse \"" + text + '"');
}
throw e;
}
if (iOffset != null) {
millis -= iOffset;
} else if (iZone != null) {
int offset = iZone.getOffsetFromLocal(millis);
millis -= offset;
if (offset != iZone.getOffset(millis)) {
String message = "Illegal instant due to time zone offset transition (" + iZone + ')';
if (text != null) {
message = "Cannot parse \"" + text + "\": " + message;
}
throw new IllegalInstantException(message);
}
}
return millis;
}
/**
* Computes the parsed datetime by setting the saved fields.
* This method is idempotent, but it is not thread-safe.
*
* @param resetFields false by default, but when true, unsaved field values are cleared
* @param text optional text being parsed, to be included in any error message
* @return milliseconds since 1970-01-01T00:00:00Z
* @throws IllegalArgumentException if any field is out of range
* @since 1.3
*/
public long computeMillis(boolean resetFields, String text) {
SavedField[] savedFields = iSavedFields;
int count = iSavedFieldsCount;
if (iSavedFieldsShared) {
iSavedFields = savedFields = (SavedField[])iSavedFields.clone();
iSavedFieldsShared = false;
}
sort(savedFields, count);
if (count > 0) {
// alter base year for parsing if first field is month or day
DurationField months = DurationFieldType.months().getField(iChrono);
DurationField days = DurationFieldType.days().getField(iChrono);
DurationField first = savedFields[0].iField.getDurationField();
if (compareReverse(first, months) >= 0 && compareReverse(first, days) <= 0) {
saveField(DateTimeFieldType.year(), iDefaultYear);
return computeMillis(resetFields, text);
}
}
long millis = iMillis;
try {
for (int i = 0; i < count; i++) {
millis = savedFields[i].set(millis, resetFields);
}
if (resetFields) {
for (int i = 0; i < count; i++) {
millis = savedFields[i].set(millis, i == (count - 1));
}
}
} catch (IllegalFieldValueException e) {
if (text != null) {
e.prependMessage("Cannot parse \"" + text + '"');
}
throw e;
}
if (iOffset != null) {
millis -= iOffset;
} else if (iZone != null) {
int offset = iZone.getOffsetFromLocal(millis);
millis -= offset;
if (offset != iZone.getOffset(millis)) {
String message = "Illegal instant due to time zone offset transition (" + iZone + ')';
if (text != null) {
message = "Cannot parse \"" + text + "\": " + message;
}
throw new IllegalInstantException(message);
}
}
return millis;
}