Example usage for java.time LocalDateTime toInstant

Introduction

In this page you can find the example usage for java.time LocalDateTime toInstant.

Prototype

default Instant toInstant(ZoneOffset offset) 

Source Link

Document

Converts this date-time to an Instant .

Usage

From source file:org.openhab.binding.gardena.internal.util.DateUtils.java

/**
 * Converts a string to a Date, trying different date formats used by Gardena.
 *///from www  . ja  va  2 s  .co m
public static Date parseToDate(String text) {
    if (StringUtils.isNotBlank(text)) {
        Date parsedDate = null;
        for (String dateFormat : dateFormats) {
            try {
                parsedDate = new SimpleDateFormat(dateFormat).parse(text);
                ZonedDateTime gmt = ZonedDateTime.ofInstant(parsedDate.toInstant(), ZoneOffset.UTC);
                LocalDateTime here = gmt.withZoneSameInstant(ZoneId.systemDefault()).toLocalDateTime();
                parsedDate = Date.from(here.toInstant(ZoneOffset.UTC));
                break;
            } catch (ParseException ex) {
            }
        }
        if (parsedDate == null) {
            LOGGER.error("Can't parse date {}", text);
        }
        return parsedDate;
    } else {
        return null;
    }

}

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From source file:org.openmrs.module.operationtheater.api.impl.OperationTheaterServiceImpl.java

@Override
public Interval getLocationAvailableTime(Location location, LocalDate date) {
    Date date1 = Date.from(date.atStartOfDay(ZoneId.systemDefault()).toInstant());
    Date date2 = Date.from(date.plusDays(1).atStartOfDay(ZoneId.systemDefault()).toInstant());
    List<AppointmentBlock> blocks = appointmentService.getAppointmentBlocks(date1, date2,
            location.getId() + ",", null, null);
    //      List<AppointmentBlock> blocks = new ArrayList<AppointmentBlock>();

    if (blocks.size() == 1) {
        //         return new Interval(new DateTime(blocks.get(0).getStartDate()), new DateTime(blocks.get(0).getEndDate()));
        Instant startInstant = LocalDateTime.from(blocks.get(0).getStartDate().toInstant())
                .toInstant(ZoneOffset.UTC);
        Instant endInstant = LocalDateTime.from(blocks.get(0).getEndDate().toInstant())
                .toInstant(ZoneOffset.UTC);
        return Interval.of(startInstant, endInstant);
    } else if (blocks.size() > 1) {
        throw new APIException("There shouldn't be multiple appointment blocks per location and date");
    }/*from ww w  .  j  a  va 2 s  .c  o m*/

    DateTimeFormatter timeFormatter = OTMetadata.AVAILABLE_TIME_FORMATTER;
    LocalDateTime availableStart = null;
    LocalDateTime availableEnd = null;
    for (LocationAttribute attribute : location.getAttributes()) {
        if (attribute.getAttributeType().getUuid().equals(OTMetadata.DEFAULT_AVAILABLE_TIME_BEGIN_UUID)) {
            LocalTime beginTime = LocalTime.parse((String) attribute.getValue(), timeFormatter);
            //            availableStart = date.withTime(beginTime.getHourOfDay(), beginTime.getMinuteOfHour(), 0, 0);
            availableStart = date.atTime(beginTime.getHour(), beginTime.getMinute());
        } else if (attribute.getAttributeType().getUuid().equals(OTMetadata.DEFAULT_AVAILABLE_TIME_END_UUID)) {
            LocalTime endTime = LocalTime.parse((String) attribute.getValue(), timeFormatter);
            //            availableEnd = date.withTime(endTime.getHourOfDay(), endTime.getMinuteOfHour(), 0, 0);
            availableEnd = date.atTime(endTime.getHour(), endTime.getMinute());
        }
    }

    if (availableStart != null && availableEnd != null) {
        return Interval.of(availableStart.toInstant(ZoneOffset.UTC), availableEnd.toInstant(ZoneOffset.UTC));
    }

    throw new APIException("Available times not defined. please make sure that the attributes "
            + "'default available time begin' and 'default available time end' for the location "
            + location.getName() + " are defined");

}

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