org.jglrxavpok.hephaistos.json.NBTGsonWriter.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of gson Show documentation

NBT and MCA library

The newest version!

package org.jglrxavpok.hephaistos.json

import com.google.gson.*
import org.jglrxavpok.hephaistos.nbt.*

class NBTGsonWriter internal constructor(val gson: Gson = GsonInstance) {

    companion object {
        val GsonInstance = Gson()

        @JvmStatic
        @JvmOverloads
        fun writer(gson: Gson = GsonInstance) = NBTGsonWriter(gson)

    }

    fun write(element: NBT): JsonElement {
        return when(element) {
            is NBTNumber -> JsonPrimitive(element.value)
            is NBTString -> JsonPrimitive(element.value)
            is NBTByteArray -> JsonArray().apply { element.forEach { add(it) } }
            is NBTLongArray -> JsonArray().apply { element.forEach { add(it) } }
            is NBTIntArray -> JsonArray().apply { element.forEach { add(it) } }
            is NBTList -> JsonArray().apply { element.forEach { add(write(it)) } }
            is NBTCompound -> JsonObject().apply {
                for((name, value) in element) {
                    add(name, write(value))
                }
            }

            is NBTEnd -> throw NBTException("Cannot convert TAG_End to a JsonElement")
            else -> error("Cannot serialize type ${element.ID}, not supported by this writer")
        }
    }

}