Last active
October 8, 2021 23:16
-
-
Save cbeyls/9ca1d8696ed7c290d17767b3fba7e3ec to your computer and use it in GitHub Desktop.
Kotlin Parcelize extensions
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| package be.digitalia.sample | |
| import android.os.Parcel | |
| import kotlinx.parcelize.Parceler | |
| import java.math.BigDecimal | |
| import java.math.BigInteger | |
| import java.util.Date | |
| inline fun <T> Parcel.readNullable(reader: () -> T) = | |
| if (readInt() != 0) reader() else null | |
| inline fun <T> Parcel.writeNullable(value: T?, writer: T.() -> Unit) { | |
| if (value != null) { | |
| writeInt(1) | |
| value.writer() | |
| } else { | |
| writeInt(0) | |
| } | |
| } | |
| object DateParceler : Parceler<Date?> { | |
| override fun create(parcel: Parcel) = parcel.readNullable { Date(parcel.readLong()) } | |
| override fun Date?.write(parcel: Parcel, flags: Int) = parcel.writeNullable(this) { parcel.writeLong(time) } | |
| } | |
| object BigIntegerParceler : Parceler<BigInteger?> { | |
| override fun create(parcel: Parcel) = parcel.readNullable { BigInteger(parcel.createByteArray()) } | |
| override fun BigInteger?.write(parcel: Parcel, flags: Int) = parcel.writeNullable(this) { | |
| parcel.writeByteArray(toByteArray()) | |
| } | |
| } | |
| object BigDecimalParceler : Parceler<BigDecimal?> { | |
| override fun create(parcel: Parcel) = | |
| parcel.readNullable { BigDecimal(BigInteger(parcel.createByteArray()), parcel.readInt()) } | |
| override fun BigDecimal?.write(parcel: Parcel, flags: Int) = parcel.writeNullable(this) { | |
| parcel.writeByteArray(unscaledValue().toByteArray()) | |
| parcel.writeInt(scale()) | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment