jvmMain.org.jetbrains.letsPlot.intern.standardizing.JvmStandardizing.kt Maven / Gradle / Ivy
/*
* Copyright (c) 2021. JetBrains s.r.o.
* Use of this source code is governed by the MIT license that can be found in the LICENSE file.
*/
package org.jetbrains.letsPlot.intern.standardizing
import java.time.*
import java.util.*
private val AWT_PRESENT: Boolean = try {
java.awt.Color.WHITE == java.awt.Color.WHITE
} catch (e: NoClassDefFoundError) {
false // Android
}
actual object JvmStandardizing {
actual fun isDateTimeJvm(o: Any): Boolean {
return when (o) {
is Date -> true
is Instant -> true
is ZonedDateTime -> true
is LocalDate -> true
is LocalTime -> true
is LocalDateTime -> true
else -> when {
isKotlinxDateTime(o) -> true
else -> false
}
}
}
actual fun isJvm(o: Any): Boolean {
return when {
isDateTimeJvm(o) -> true
AWT_PRESENT && o is java.awt.Color -> true
else -> false
}
}
actual fun standardize(o: Any): Any {
if (AWT_PRESENT &&
o is java.awt.Color
) {
return "#%02x%02x%02x".format(o.red, o.green, o.blue)
}
return when (o) {
is Date -> o.time
is Instant -> o.toEpochMilli()
is ZonedDateTime -> o.toInstant().toEpochMilli()
is LocalDate -> noTimeZoneError(o)
is LocalTime -> noTimeZoneError(o)
is LocalDateTime -> noTimeZoneError(o)
// is java.awt.Color -> "#%02x%02x%02x".format(o.red, o.green, o.blue)
else -> when {
isKotlinxDateTime(o) -> when (o) {
is kotlinx.datetime.Instant -> o.toEpochMilliseconds()
is kotlinx.datetime.LocalDate -> noTimeZoneError(o)
is kotlinx.datetime.LocalDateTime -> noTimeZoneError(o)
else -> unsupportedTypeError(o)
}
else -> unsupportedTypeError(o)
}
}
}
private fun isKotlinxDateTime(o: Any) = o.javaClass.name.startsWith("kotlinx.datetime.")
private fun noTimeZoneError(time: Any): Nothing {
throw IllegalArgumentException(
"Can't convert ${time::class.qualifiedName} to the number of milliseconds from the epoch of 1970-01-01T00:00:00Z."
)
}
private fun unsupportedTypeError(o: Any) {
throw IllegalArgumentException("Can't standardize value \"$o\" of type ${o::class.qualifiedName} as string or number.")
}
}