That is where the serializer is actually being use...

# getting-started

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That is where the serializer is actually being used

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nvm got it

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object ItemEnchantSerializer : KSerializer<ItemEnchant> {
    override val descriptor: SerialDescriptor = ItemEnchant.serializer().descriptor

    override fun serialize(encoder: Encoder, value: ItemEnchant) {
        println("serialize $value");
        val enchantment = Enchantment.getByKey(NamespacedKey.minecraft(value.id.toString().lowercase())) ?: return
        val itemEnchant = ItemEnchant(enchantment, value.level)
        encoder.encodeSerializableValue(ItemEnchant.serializer(), itemEnchant)
    }

    override fun deserialize(decoder: Decoder): ItemEnchant {
        println(decoder.decodeString())
        return decoder.decodeSerializableValue(ItemEnchantSerializer)
    }
}

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@Serializable
@SerialName("ItemEnchant")
data class ItemEnchant(@Contextual val id: Enchantment, val level: Int)

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@Serializable
data class LemonItemData(val id: String,
                         val name: String,
                         @EncodeDefault val lore: List<String> = listOf(),
                         @Serializable(with = MaterialSerializer::class) val material: Material,
                         @EncodeDefault @Serializable(with = ItemEnchantSerializer::class) val enchants: ArrayList<ItemEnchant> = arrayListOf(),
                         @EncodeDefault val unbreakable: Boolean = false
                    )

[Tim Oltjenbruns]

Kotlin Bukkit dev here, feel free to reach out over DM.
Won’t always be fast but I can eventually respond.

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Alright

[Tim Oltjenbruns]

Still having the issue?

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Yeah

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I'm sure there is an easy fix for this, but I just started w/ Kotlin

[Tim Oltjenbruns]

You’re using an ArrayList, maybe the serializer you are using expect an Array

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I'll send the error in DMs

[Richard Gomez]

It always saddens me when people solve things in private. 😞
https://xkcd.com/979/

[Tim Oltjenbruns]

I’ll make sure the solve makes it’s way here 🙂

[S.]

this picture is missing the "fixed :>" message the thread creator posted like half a year later

[Tim Oltjenbruns]

The issue is the println(decoder.decodeString()) in deserialize.

[Tim Oltjenbruns]

It’s decoding a string before the array or object structures are started

[Tim Oltjenbruns]

I don’t think @Serializable(with = ItemEnchantSerializer::class) is necessary either

[Tim Oltjenbruns]

@Serializable
@SerialName("ItemEnchant")
data class ItemEnchant(@Contextual @Serializable(with = ItemEnchantSerializer::class) id: Enchantment, val level: Int)

It probably needs to move to here

[Tim Oltjenbruns]

And because Enchantment is 3rd party, https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/serializers.md#serializing-3rd-party-classes

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Fixed it!

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One quick thing

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When decoding the json, the & gets turned into an ?

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Maybe it's the println encoding

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Once it goes trough the decodeFromString it turns into ?

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nvm got it