Added local date and local time encoders

centurion-avro/src/main/kotlin/com/sksamuel/centurion/avro/encoders/temporals.kt

@@ -0,0 +1,36 @@
+package com.sksamuel.centurion.avro.encoders
+
+import org.apache.avro.LogicalTypes.LocalTimestampMicros
+import org.apache.avro.LogicalTypes.LocalTimestampMillis
+import org.apache.avro.LogicalTypes.TimeMicros
+import org.apache.avro.LogicalTypes.TimeMillis
+import org.apache.avro.Schema
+import org.apache.avro.data.TimeConversions.LocalTimestampMicrosConversion
+import org.apache.avro.data.TimeConversions.LocalTimestampMillisConversion
+import org.apache.avro.data.TimeConversions.TimeMicrosConversion
+import org.apache.avro.data.TimeConversions.TimeMillisConversion
+import java.time.LocalDateTime
+import java.time.LocalTime
+import java.time.ZoneOffset
+
+object LocalDateTimeEncoder : Encoder<LocalDateTime> {
+   override fun encode(schema: Schema, value: LocalDateTime): Any? {
+      return when {
+         schema.logicalType is LocalTimestampMillis -> LocalTimestampMillisConversion().toLong(value, schema, schema.logicalType)
+         schema.logicalType is LocalTimestampMicros -> LocalTimestampMicrosConversion().toLong(value, schema, schema.logicalType)
+         schema.type == Schema.Type.LONG -> value.toInstant(ZoneOffset.UTC).toEpochMilli()
+         else -> error("Unsupported schema for LocalDateTime: $schema")
+      }
+   }
+}
+
+object LocalTimeEncoder : Encoder<LocalTime> {
+   override fun encode(schema: Schema, value: LocalTime): Any? {
+      return when {
+         schema.logicalType is TimeMillis -> TimeMillisConversion().toInt(value, schema, schema.logicalType)
+         schema.logicalType is TimeMicros -> TimeMicrosConversion().toLong(value, schema, schema.logicalType)
+         schema.type == Schema.Type.LONG -> value.toNanoOfDay()
+         else -> error("Unsupported schema for LocalDateTime: $schema")
+      }
+   }
+}