Class TimeEmojifier

java.lang.Object

de.gustavblass.fsu.fmi.roombooking.util.TimeEmojifier

public class TimeEmojifier
extends Object

Utility class that converts timestamps to emoji.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	TimeEmojifier.HourEmoji	Represents two emoji for one specific hour on a 12-day clock.

Field Summary

Fields

Modifier and Type	Field	Description
private static final @NonNull Map<Integer, TimeEmojifier.HourEmoji>	emojiMap	All clock emoji in the Unicode standard.
private static final @NonNull Duration	halfHour	One half of an hour (i.e. 30 minutes).
private static final @NonNull Duration	quarterHour	A quarter of an hour (i.e. 15 minutes).
private static final @NonNull Duration	threeQuartersHour	Three quarters of an hour (i.e. 45 minutes).

Constructor Summary

Constructors

Constructor	Description
TimeEmojifier()

Method Summary

Modifier and Type	Method	Description
private static @NonNull LocalTime	roundToHalfHour(@NonNull LocalTime time)	Replaces the invalid reference LocalTime#minute part of the given LocalTime with either `00:00` or `00:30`, depending on whether the minute part is closer to the full hour or closer to the half hour.
static @NonNull String	toClockEmoji(@NonNull LocalTime time)	Converts a given LocalTime to a fitting clock emoji.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

quarterHour

@NonNull
private static final @NonNull Duration quarterHour

A quarter of an hour (i.e. 15 minutes).

threeQuartersHour

@NonNull
private static final @NonNull Duration threeQuartersHour

Three quarters of an hour (i.e. 45 minutes).

halfHour

@NonNull
private static final @NonNull Duration halfHour

One half of an hour (i.e. 30 minutes).

emojiMap

@NonNull
private static final @NonNull Map<Integer, TimeEmojifier.HourEmoji> emojiMap

All clock emoji in the Unicode standard.

Constructor Details

TimeEmojifier

public TimeEmojifier()

Method Details

toClockEmoji

@Contract(pure=true)
@NonNull
public static @NonNull String toClockEmoji(@NonNull
 @NonNull LocalTime time)

Converts a given LocalTime to a fitting clock emoji.

If the

invalid reference

LocalTime#minute

part is closer to the hour, then the TimeEmojifier.HourEmoji.onHour() emoji for the specific hour

is returned, otherwise the TimeEmojifier.HourEmoji.halfHour()].

Parameters:

time - The time that shall be converted to an emoji. Works for both 12-hour- and 24-hour-based clocks.

Returns:

A fitting clock emoji for the given time.

roundToHalfHour

@Contract(pure=true)
@NonNull
private static @NonNull LocalTime roundToHalfHour(@NonNull
 @NonNull LocalTime time)

Replaces the

invalid reference

LocalTime#minute

part of the given LocalTime with either `00:00` or `00:30`, depending on

whether the minute part is closer to the full hour or closer to the half hour. For example, 09:24 becomes 09:30, while 17:46 becomes 18:00.

The given time is shifted at most by 15 minutes.

Parameters:

time - The time to be rounded.

Returns:

The same time, rounded to the closest full or half hour.