java.util.Calendar.toInstant()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
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本文整理了Java中java.util.Calendar.toInstant()方法的一些代码示例，展示了Calendar.toInstant()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Calendar.toInstant()方法的具体详情如下：
包路径：java.util.Calendar
类名称：Calendar
方法名：toInstant

Calendar.toInstant介绍

暂无

代码示例

代码示例来源：origin: oblac/jodd

  1. public static LocalDateTime fromCalendar(final Calendar calendar) {
  2.   TimeZone tz = calendar.getTimeZone();
  3.   ZoneId zid = tz == null ? ZoneId.systemDefault() : tz.toZoneId();
  4.   return LocalDateTime.ofInstant(calendar.toInstant(), zid);
  5. }

代码示例来源：origin: hibernate/hibernate-orm

  1. return ZonedDateTime.ofInstant( calendar.toInstant(), calendar.getTimeZone().toZoneId() );

代码示例来源：origin: alibaba/fastjson

  1. JSONScanner dateScanner = new JSONScanner(text);
  2. if (dateScanner.scanISO8601DateIfMatch(false)) {
  3.   Instant instant = dateScanner.getCalendar().toInstant();
  4.   return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());

代码示例来源：origin: hibernate/hibernate-orm

  1. return LocalDateTime.ofInstant( calendar.toInstant(), calendar.getTimeZone().toZoneId() );

代码示例来源：origin: hibernate/hibernate-orm

  1. return ZonedDateTime.ofInstant( calendar.toInstant(), calendar.getTimeZone().toZoneId() ).toInstant();

代码示例来源：origin: hibernate/hibernate-orm

  1. @Override
  2. public <X> LocalDate wrap(X value, WrapperOptions options) {
  3.   if ( value == null ) {
  4.     return null;
  5.   }
  6.   if ( LocalDate.class.isInstance( value ) ) {
  7.     return (LocalDate) value;
  8.   }
  9.   if ( Timestamp.class.isInstance( value ) ) {
  10.     final Timestamp ts = (Timestamp) value;
  11.     return LocalDateTime.ofInstant( ts.toInstant(), ZoneId.systemDefault() ).toLocalDate();
  12.   }
  13.   if ( Long.class.isInstance( value ) ) {
  14.     final Instant instant = Instant.ofEpochMilli( (Long) value );
  15.     return LocalDateTime.ofInstant( instant, ZoneId.systemDefault() ).toLocalDate();
  16.   }
  17.   if ( Calendar.class.isInstance( value ) ) {
  18.     final Calendar calendar = (Calendar) value;
  19.     return LocalDateTime.ofInstant( calendar.toInstant(), calendar.getTimeZone().toZoneId() ).toLocalDate();
  20.   }
  21.   if ( Date.class.isInstance( value ) ) {
  22.     if ( java.sql.Date.class.isInstance( value ) ) {
  23.       return ((java.sql.Date) value).toLocalDate();
  24.     }
  25.     else {
  26.       return Instant.ofEpochMilli( ((Date) value).getTime() ).atZone( ZoneId.systemDefault() ).toLocalDate();
  27.     }
  28.   }
  29.   throw unknownWrap( value.getClass() );
  30. }

代码示例来源：origin: hibernate/hibernate-orm

  1. return LocalDateTime.ofInstant( calendar.toInstant(), calendar.getTimeZone().toZoneId() ).toLocalTime();

代码示例来源：origin: hibernate/hibernate-orm

  1. return OffsetDateTime.ofInstant( calendar.toInstant(), calendar.getTimeZone().toZoneId() );

代码示例来源：origin: hibernate/hibernate-orm

  1. return OffsetTime.ofInstant( calendar.toInstant(), calendar.getTimeZone().toZoneId() );

代码示例来源：origin: com.alibaba/fastjson

  1. JSONScanner dateScanner = new JSONScanner(text);
  2. if (dateScanner.scanISO8601DateIfMatch(false)) {
  3.   Instant instant = dateScanner.getCalendar().toInstant();
  4.   return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());

代码示例来源：origin: stanfordnlp/CoreNLP

  1. builder.setCalendar(doc.get(CalendarAnnotation.class).toInstant().toEpochMilli());
  2. keysToSerialize.remove(CalendarAnnotation.class);

代码示例来源：origin: eclipse/smarthome

  1. /**
  2.  * @deprecated The constructor uses Calendar object hence it doesn't store time zone. A new constructor is
  3.  *             available. Use {@link #DateTimeType(ZonedDateTime)} instead.
  4.  *
  5.  * @param calendar The Calendar object containing the time stamp.
  6.  */
  7. @Deprecated
  8. public DateTimeType(Calendar calendar) {
  9.   this.zonedDateTime = ZonedDateTime.ofInstant(calendar.toInstant(), TimeZone.getDefault().toZoneId())
  10.       .withFixedOffsetZone();
  11. }

代码示例来源：origin: DV8FromTheWorld/JDA

  1. /**
  2.  * Gets the creation-time of a JDA-entity by doing the reverse snowflake algorithm on its id.
  3.  * This returns the creation-time of the actual entity on Discords side, not inside JDA.
  4.  *
  5.  * @param  entityId
  6.  *         The id of the JDA entity where the creation-time should be determined for
  7.  *
  8.  * @return The creation time of the JDA entity as OffsetDateTime
  9.  */
  10. public static OffsetDateTime getCreationTime(long entityId)
  11. {
  12.   long timestamp = (entityId >>> TIMESTAMP_OFFSET) + DISCORD_EPOCH;
  13.   Calendar gmt = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
  14.   gmt.setTimeInMillis(timestamp);
  15.   return OffsetDateTime.ofInstant(gmt.toInstant(), gmt.getTimeZone().toZoneId());
  16. }

代码示例来源：origin: stackoverflow.com

  1. @Converter(autoApply=true)
  2. public class ZonedDateTimeAttributeConverter implements AttributeConverter<ZonedDateTime, Calendar> {
  4.   @Override
  5.   public Calendar convertToDatabaseColumn(ZonedDateTime entityAttribute) {
  6.     if (entityAttribute == null) {
  7.       return null;
  8.     }
  10.     Calendar calendar = Calendar.getInstance();
  11.     calendar.setTimeInMillis(entityAttribute.toInstant().toEpochMilli());
  12.     calendar.setTimeZone(TimeZone.getTimeZone(entityAttribute.getZone()));
  13.     return calendar;
  14.   }
  16.   @Override
  17.   public ZonedDateTime convertToEntityAttribute(Calendar databaseColumn) {
  18.     if (databaseColumn == null) {
  19.       return null;
  20.     }
  22.     return ZonedDateTime.ofInstant(databaseColumn.toInstant(), databaseColumn.getTimeZone().toZoneId());
  23.   }
  25. }

代码示例来源：origin: openhab/openhab-core

  1. /**
  2.  * @deprecated The constructor uses Calendar object hence it doesn't store time zone. A new constructor is
  3.  *             available. Use {@link #DateTimeType(ZonedDateTime)} instead.
  4.  *
  5.  * @param calendar The Calendar object containing the time stamp.
  6.  */
  7. @Deprecated
  8. public DateTimeType(Calendar calendar) {
  9.   this.zonedDateTime = ZonedDateTime.ofInstant(calendar.toInstant(), TimeZone.getDefault().toZoneId())
  10.       .withFixedOffsetZone();
  11. }

代码示例来源：origin: theotherp/nzbhydra2

  1. @Override
  2.   public Date nextExecutionTime(TriggerContext triggerContext) {
  3.     Calendar nextExecutionTime = new GregorianCalendar();
  4.     Date lastCompletionTime = runNow ? new Date() : triggerContext.lastCompletionTime();
  5.     nextExecutionTime.setTime(lastCompletionTime != null ? lastCompletionTime : new Date());
  6.     nextExecutionTime.add(Calendar.MILLISECOND, (int) getIntervalForTask(task));
  7.     taskInformations.put(task, new TaskInformation(task.name(), lastCompletionTime != null ? lastCompletionTime.toInstant() : null, nextExecutionTime.toInstant()));
  8.     return nextExecutionTime.getTime();
  9.   }
  10. });

代码示例来源：origin: com.sqlapp/sqlapp-core

  1. protected ZonedDateTime toZonedDateTime(Calendar cal){
  2.   if (cal instanceof GregorianCalendar){
  3.     return ((GregorianCalendar)cal).toZonedDateTime();
  4.   }
  5.   ZoneId zoneId=cal.getTimeZone().toZoneId();
  6.   return ZonedDateTime.ofInstant(cal.toInstant(), zoneId);
  7. }

代码示例来源：origin: com.github.PhilippHeuer/events4j

  1. /**
  2.  * Register internal listeners
  3.  */
  4. private void registerInternalListener() {
  5.   // Annotation-based EventListener
  6.   onEvent(Event.class).subscribe(event -> {
  7.     log.debug("Passed event [{}] to the method based annotation manager at {}.", event.getEventId(), event.getFiredAt().toInstant().toString());
  8.     annotationEventManager.dispatch(event);
  9.   });
  10. }

代码示例来源：origin: com.vmware.dcp/dcp-common

  1. @Test
  2. public void testParseZonedDateTime() throws Exception {
  3.   Calendar cal = Calendar.getInstance();
  4.   cal.setTimeZone(TimeZone.getTimeZone("Australia/Sydney"));
  5.   cal.set(2013, 4, 30, 23, 38, 27);
  6.   cal.set(Calendar.MILLISECOND, 85);
  7.   ZoneId zid = ZoneId.of("Australia/Sydney");
  8.   ZonedDateTime expected = ZonedDateTime.ofInstant(cal.toInstant(), zid);
  9.   ZonedDateTime actual = Utils.fromJson(
  10.       "\"2013-05-30T23:38:27.085+10:00[Australia/Sydney]\"", ZonedDateTime.class);
  11.   assertEquals(expected, actual);
  12. }

代码示例来源：origin: vmware/xenon

  1. @Test
  2. public void testParseInstant() throws Exception {
  3.   Calendar cal = Calendar.getInstance();
  4.   cal.setTimeZone(TimeZone.getTimeZone("UTC"));
  5.   cal.set(2013, 4, 30, 23, 38, 27);
  6.   cal.set(Calendar.MILLISECOND, 85);
  7.   Instant expected = cal.toInstant();
  8.   Instant actual = Utils.fromJson("\"2013-05-30T23:38:27.085Z\"", Instant.class);
  9.   assertEquals(expected, actual);
  10. }

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