com.lightningkite.khrysalis.replacements.JacksonReplacementsModule.kt Maven / Gradle / Ivy
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Common translational tools between Typescript and Swift.
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package com.lightningkite.khrysalis.replacements
import com.fasterxml.jackson.core.JsonGenerator
import com.fasterxml.jackson.core.JsonParser
import com.fasterxml.jackson.core.JsonToken
import com.fasterxml.jackson.databind.DeserializationContext
import com.fasterxml.jackson.databind.JsonNode
import com.fasterxml.jackson.databind.SerializerProvider
import com.fasterxml.jackson.databind.deser.std.StdDeserializer
import com.fasterxml.jackson.databind.module.SimpleModule
import com.fasterxml.jackson.databind.node.ArrayNode
import com.fasterxml.jackson.databind.node.ObjectNode
import com.fasterxml.jackson.databind.ser.std.StdSerializer
abstract class JacksonReplacementsModule() : SimpleModule() {
abstract fun parseImports(node: JsonNode): List
init {
addSerializer(Template::class.java, object: StdSerializer(Template::class.java) {
override fun serialize(value: Template?, gen: JsonGenerator, provider: SerializerProvider) {
if(value == null) gen.writeNull()
else {
if(value.imports.isEmpty() && value.parts.none { it is TemplatePart.LambdaParameterContents }) {
gen.writeString(value.toString())
// } else {
// gen.writeStartObject()
// gen.writeFieldName("pattern")
// gen.writeString(this.templ.toString())
// gen.writeEndObject()
} else {
provider.defaultSerializeValue(value, gen)
}
}
}
})
addDeserializer(Template::class.java, object : StdDeserializer(
Template::class.java
) {
override fun deserialize(p: JsonParser, ctxt: DeserializationContext): Template {
when (p.currentToken) {
JsonToken.START_OBJECT -> {
val obj = p.readValueAsTree()
val imports = obj["imports"]?.let { parseImports(it) } ?: listOf()
val transforms = (obj["lambdaTransforms"] as? ObjectNode)?.fields()?.asSequence()?.associate { (key, value) ->
key.toInt() to (value as ArrayNode).map { Template.fromString(it.asText()) }
} ?: mapOf()
// (obj["split"] as? ObjectNode)?.let {
// return Template(
// parts = listOf(TemplatePart.Split(
// on = Template.partFromString(it["on"].textValue()),
// name = it["name"]?.textValue() ?: "i",
// by = it["by"].textValue(),
// before = it["before"]?.textValue()?.let { Template.partFromString(it) },
// between = it["between"]?.textValue()?.let { Template.partFromString(it) },
// after = it["after"]?.textValue()?.let { Template.partFromString(it) },
// each = it["each"].traverse().readValueAs(Template::class.java)
// )), imports = listOf()
// )
// }
// (obj["switch"] as? ObjectNode)?.let {
// val cases = it["cases"] as ObjectNode
// return Template(parts = listOf(TemplatePart.Switch(
// on = Template.partFromString(it["on"].textValue()),
// name = it["name"]?.textValue() ?: "i",
// cases = cases.fields().asSequence().associate {
// it.key to it.value.traverse().readValueAs(Template::class.java)
// }
// )), imports = listOf())
// }
return Template.fromString(
obj["pattern"].asText(),
imports,
transforms
)
}
JsonToken.VALUE_STRING -> {
val text = p.text
return Template.fromString(text)
}
else -> throw IllegalArgumentException("A template must be a string or object!")
}
}
})
}
} © 2015 - 2024 Weber Informatics LLC | Privacy Policy