smithy4s.json.internals.JsonPayloadCodecCompilerImpl.scala Maven / Gradle / Ivy
/*
* Copyright 2021-2024 Disney Streaming
*
* Licensed under the Tomorrow Open Source Technology License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://disneystreaming.github.io/TOST-1.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package smithy4s
package json
package internals
import smithy4s.schema.CachedSchemaCompiler
import com.github.plokhotnyuk.jsoniter_scala.core.{
ReaderConfig => JsoniterReaderConfig
}
import com.github.plokhotnyuk.jsoniter_scala.core.{
WriterConfig => JsoniterWriterConfig
}
import com.github.plokhotnyuk.jsoniter_scala.core._
import smithy4s.codecs._
private[json] case class JsonPayloadCodecCompilerImpl(
jsoniterCodecCompiler: JsoniterCodecCompiler,
jsoniterReaderConfig: JsoniterReaderConfig,
jsoniterWriterConfig: JsoniterWriterConfig
) extends JsonPayloadCodecCompiler {
def withJsoniterCodecCompiler(
jsoniterCodecCompiler: JsoniterCodecCompiler
): JsonPayloadCodecCompiler =
copy(jsoniterCodecCompiler = jsoniterCodecCompiler)
def configureJsoniterCodecCompiler(
jsoniterCodecCompiler: JsoniterCodecCompiler => JsoniterCodecCompiler
): JsonPayloadCodecCompiler =
copy(jsoniterCodecCompiler =
jsoniterCodecCompiler(this.jsoniterCodecCompiler)
)
def withJsoniterReaderConfig(
jsoniterReaderConfig: JsoniterReaderConfig
): JsonPayloadCodecCompiler =
copy(jsoniterReaderConfig = jsoniterReaderConfig)
def withJsoniterWriterConfig(
jsoniterWriterConfig: JsoniterWriterConfig
): JsonPayloadCodecCompiler =
copy(jsoniterWriterConfig = jsoniterWriterConfig)
def encoders: CachedSchemaCompiler[PayloadEncoder] =
new CachedSchemaCompiler[PayloadEncoder] {
type Cache = jsoniterCodecCompiler.Cache
def createCache(): Cache = jsoniterCodecCompiler.createCache()
def fromSchema[A](schema: Schema[A], cache: Cache): PayloadEncoder[A] = {
val jcodec = jsoniterCodecCompiler.fromSchema(schema, cache)
(value: A) =>
Blob(
writeToArray(value, jsoniterWriterConfig)(jcodec)
)
}
def fromSchema[A](schema: Schema[A]): PayloadEncoder[A] =
fromSchema(schema, createCache())
}
def decoders: CachedSchemaCompiler[PayloadDecoder] =
new CachedSchemaCompiler[PayloadDecoder] {
type Cache = jsoniterCodecCompiler.Cache
def createCache(): Cache = jsoniterCodecCompiler.createCache()
def fromSchema[A](schema: Schema[A], cache: Cache): PayloadDecoder[A] = {
val jcodec = jsoniterCodecCompiler.fromSchema(schema, cache)
new JsonPayloadDecoder(jcodec, schema.getDefaultValue)
}
def fromSchema[A](schema: Schema[A]): PayloadDecoder[A] =
fromSchema(schema, createCache())
}
private class JsonPayloadDecoder[A](jcodec: JsonCodec[A], default: Option[A])
extends PayloadDecoder[A] {
def decode(blob: Blob): Either[PayloadError, A] = {
try {
Right {
if (blob.isEmpty)
default.getOrElse(
readFromString("{}", jsoniterReaderConfig)(jcodec)
)
else
blob match {
case b: Blob.ArraySliceBlob =>
readFromSubArray(
b.arr,
b.offset,
b.offset + b.size,
jsoniterReaderConfig
)(jcodec)
case b: Blob.ByteBufferBlob =>
readFromByteBuffer(b.buf, jsoniterReaderConfig)(jcodec)
case other =>
readFromArray(other.toArray, jsoniterReaderConfig)(jcodec)
}
}
} catch {
case e: PayloadError => Left(e)
}
}
}
}
private[smithy4s] object JsonPayloadCodecCompilerImpl {
private val defaultJsoniterReaderConfig: JsoniterReaderConfig =
JsoniterReaderConfig
.withAppendHexDumpToParseException(true)
.withCheckForEndOfInput(false)
val defaultJsonPayloadCodecCompiler = JsonPayloadCodecCompilerImpl(
jsoniterCodecCompiler =
JsoniterCodecCompilerImpl.defaultJsoniterCodecCompiler,
jsoniterReaderConfig = defaultJsoniterReaderConfig,
jsoniterWriterConfig = JsoniterWriterConfig
)
}