wvlet.airframe.codec.TimeCodec.scala Maven / Gradle / Ivy

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Airframe MessagePack-based codec
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/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 wvlet.airframe.codec
import java.time.Instant
import java.util.Date

import wvlet.airframe.msgpack.io.ByteArrayBuffer
import wvlet.airframe.msgpack.spi.*
import wvlet.log.LogSupport

import scala.util.{Failure, Success, Try}

/**
  */
object JavaInstantTimeCodec extends MessageCodec[Instant] {
  override def pack(p: Packer, v: Instant): Unit = {
    // TODO airframe-msgpack in Codec interface
    // Use msgpack Timestamp type
    val buf    = ByteArrayBuffer.newBuffer(15)
    val cursor = WriteCursor(buf, 0)
    OffsetPacker.packTimestamp(cursor, v)
    val extData = buf.readBytes(0, cursor.lastWrittenBytes)
    p.writePayload(extData, 0, cursor.lastWrittenBytes)
  }

  override def unpack(u: Unpacker, v: MessageContext): Unit = {
    Try {
      u.getNextFormat.getValueType match {
        case ValueType.STRING =>
          // Use ISO instant formatter
          val isoInstantFormat = u.unpackString
          wvlet.airframe.codec.Compat
            .parseInstant(isoInstantFormat)
            .getOrElse(Instant.ofEpochMilli(isoInstantFormat.toLong))
        case ValueType.INTEGER =>
          val epochMillis = u.unpackLong
          Instant.ofEpochMilli(epochMillis)
        case ValueType.EXTENSION =>
          u.unpackTimestamp
        case other =>
          v.setIncompatibleFormatException(this, s"Cannot create Instant from ${other} type")
      }
    } match {
      case Success(x) => v.setObject(x)
      case Failure(e) => v.setError(e)
    }
  }
}

object JavaUtilDateCodec extends MessageCodec[Date] with LogSupport {
  override def pack(p: Packer, v: Date): Unit = {
    // Use Instant for encoding
    JavaInstantTimeCodec.pack(p, v.toInstant)
  }
  override def unpack(u: Unpacker, v: MessageContext): Unit = {
    JavaInstantTimeCodec.unpack(u, v)
    if (!v.isNull) {
      v.setObject(Date.from(v.getLastValue.asInstanceOf[Instant]))
    }
  }
}