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package io.dico.parcels2.storage
import com.fasterxml.jackson.core.JsonGenerator
import com.fasterxml.jackson.core.JsonParser
import com.fasterxml.jackson.databind.*
import com.fasterxml.jackson.databind.deser.std.StdDeserializer
import com.fasterxml.jackson.databind.ser.BeanSerializerModifier
import com.fasterxml.jackson.databind.ser.std.StdSerializer
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory
import com.fasterxml.jackson.module.kotlin.KotlinModule
import io.dico.parcels2.*
import org.bukkit.Bukkit
import org.bukkit.block.data.BlockData
import kotlin.reflect.KClass
import kotlin.reflect.full.isSuperclassOf
val yamlObjectMapper = ObjectMapper(YAMLFactory()).apply {
propertyNamingStrategy = PropertyNamingStrategy.KEBAB_CASE
val kotlinModule = KotlinModule()
with(kotlinModule) {
setSerializerModifier(object : BeanSerializerModifier() {
@Suppress("UNCHECKED_CAST")
override fun modifySerializer(config: SerializationConfig?, beanDesc: BeanDescription?, serializer: JsonSerializer<*>?): JsonSerializer<*> {
if (GeneratorOptions::class.isSuperclassOf(beanDesc?.beanClass?.kotlin as KClass<*>)) {
return GeneratorOptionsSerializer(serializer as JsonSerializer<GeneratorOptions>)
}
return super.modifySerializer(config, beanDesc, serializer)
}
})
addSerializer(BlockDataSerializer())
addDeserializer(BlockData::class.java, BlockDataDeserializer())
addSerializer(StorageOptionsSerializer())
addDeserializer(StorageOptions::class.java, StorageOptionsDeserializer())
addDeserializer(GeneratorOptions::class.java, GeneratorOptionsDeserializer())
}
registerModule(kotlinModule)
}
private class BlockDataSerializer : StdSerializer<BlockData>(BlockData::class.java) {
override fun serialize(value: BlockData, gen: JsonGenerator, provider: SerializerProvider) {
gen.writeString(value.asString)
}
}
private class BlockDataDeserializer : StdDeserializer<BlockData>(BlockData::class.java) {
override fun deserialize(p: JsonParser, ctxt: DeserializationContext): BlockData? {
try {
return Bukkit.createBlockData(p.valueAsString)
} catch (ex: Exception) {
throw RuntimeException("Exception occurred at ${p.currentLocation}", ex)
}
}
}
class StorageOptionsDeserializer : JsonDeserializer<StorageOptions>() {
override fun deserialize(p: JsonParser?, ctxt: DeserializationContext?): StorageOptions {
val node = p!!.readValueAsTree<JsonNode>()
val dialect = node.get("dialect").asText()
val optionsNode = node.get("options")
val factory = StorageFactory.getFactory(dialect) ?: throw IllegalStateException("Unknown storage dialect: $dialect")
val options = p.codec.treeToValue(optionsNode, factory.optionsClass.java)
return StorageOptions(dialect, options)
}
}
class StorageOptionsSerializer : StdSerializer<StorageOptions>(StorageOptions::class.java) {
override fun serialize(value: StorageOptions?, gen: JsonGenerator?, serializers: SerializerProvider?) {
with(gen!!) {
writeStartObject()
writeStringField("dialect", value!!.dialect)
writeFieldName("options")
writeObject(value.options)
writeEndObject()
}
}
}
class GeneratorOptionsDeserializer : JsonDeserializer<GeneratorOptions>() {
override fun deserialize(parser: JsonParser?, ctx: DeserializationContext?): GeneratorOptions? {
val node = parser!!.readValueAsTree<JsonNode>()
val name = node.get("name").asText()
val optionsNode = node.get("options")
val factory = GeneratorFactory.getFactory(name) ?: throw IllegalStateException("Unknown generator: $name")
return parser.codec.treeToValue(optionsNode, factory.optionsClass.java)
}
}
class GeneratorOptionsSerializer(private val defaultSerializer: JsonSerializer<GeneratorOptions>) : JsonSerializer<GeneratorOptions>() {
override fun serialize(input: GeneratorOptions?, generator: JsonGenerator?, provider: SerializerProvider?) {
with(generator!!) {
writeStartObject()
writeStringField("name", input!!.generatorFactory().name)
writeFieldName("options")
defaultSerializer.serialize(input, generator, provider)
writeEndObject()
}
}
}
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