Adding serializers for java time package and finishing tests.

src/main/kotlin/com/urosjarc/dbmessiah/extra/kotlinx/InstantSerializer.kt

@@ -0,0 +1,21 @@
+package com.urosjarc.dbmessiah.extra.kotlinx
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import java.time.Instant
+
+public object InstantSerializer : KSerializer<Instant> {
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("java.time.Instant", PrimitiveKind.STRING)
+
+    override fun deserialize(decoder: Decoder): Instant {
+        return Instant.parse(decoder.decodeString())
+    }
+
+    override fun serialize(encoder: Encoder, value: Instant) {
+        encoder.encodeString(value.toString())
+    }
+}

src/main/kotlin/com/urosjarc/dbmessiah/extra/kotlinx/LocalDateSerializer.kt

@@ -0,0 +1,21 @@
+package com.urosjarc.dbmessiah.extra.kotlinx
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import java.time.LocalDate
+
+public object LocalDateSerializer : KSerializer<LocalDate> {
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("java.time.LocalDate", PrimitiveKind.STRING)
+
+    override fun deserialize(decoder: Decoder): LocalDate {
+        return LocalDate.parse(decoder.decodeString())
+    }
+
+    override fun serialize(encoder: Encoder, value: LocalDate) {
+        encoder.encodeString(value.toString())
+    }
+}

src/main/kotlin/com/urosjarc/dbmessiah/extra/kotlinx/LocalTimeSerializer.kt

@@ -0,0 +1,21 @@
+package com.urosjarc.dbmessiah.extra.kotlinx
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import java.time.LocalTime
+
+public object LocalTimeSerializer : KSerializer<LocalTime> {
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("java.time.LocalTime", PrimitiveKind.STRING)
+
+    override fun deserialize(decoder: Decoder): LocalTime {
+        return LocalTime.parse(decoder.decodeString())
+    }
+
+    override fun serialize(encoder: Encoder, value: LocalTime) {
+        encoder.encodeString(value.toString())
+    }
+}

src/main/kotlin/com/urosjarc/dbmessiah/extra/kotlinx/UUIDSerializer.kt

@@ -9,7 +9,7 @@ import kotlinx.serialization.encoding.Encoder
 import java.util.*
 
 public object UUIDSerializer : KSerializer<UUID> {
-    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("UUID", PrimitiveKind.STRING)
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("java.util.UUID", PrimitiveKind.STRING)
 
     override fun deserialize(decoder: Decoder): UUID {
         return UUID.fromString(decoder.decodeString())

src/test/kotlin/Test_InstantSerializer.kt

@@ -0,0 +1,21 @@
+import kotlinx.serialization.decodeFromString
+import kotlinx.serialization.encodeToString
+import org.junit.jupiter.api.Test
+import utils.json
+import java.time.Instant
+import kotlin.test.assertEquals
+
+class Test_InstantSerializer {
+    @Test
+    fun `test serialization`() {
+        val instant = Instant.now()
+
+        /** Encoding */
+        val instantJson = json.encodeToString(instant)
+        assertEquals("\"$instant\"", instantJson)
+
+        /** Decoding */
+        val instant_new = json.decodeFromString<Instant>(instantJson)
+        assertEquals(instant, instant_new)
+    }
+}

src/test/kotlin/Test_LocalDateSerializer.kt

@@ -0,0 +1,21 @@
+import kotlinx.serialization.decodeFromString
+import kotlinx.serialization.encodeToString
+import org.junit.jupiter.api.Test
+import utils.json
+import java.time.LocalDate
+import kotlin.test.assertEquals
+
+class Test_LocalDateSerializer {
+    @Test
+    fun `test serialization`() {
+        val instant = LocalDate.now()
+
+        /** Encoding */
+        val instantJson = json.encodeToString(instant)
+        assertEquals("\"$instant\"", instantJson)
+
+        /** Decoding */
+        val instant_new = json.decodeFromString<LocalDate>(instantJson)
+        assertEquals(instant, instant_new)
+    }
+}

src/test/kotlin/Test_LocalTimeSerializer.kt

@@ -0,0 +1,21 @@
+import kotlinx.serialization.decodeFromString
+import kotlinx.serialization.encodeToString
+import org.junit.jupiter.api.Test
+import utils.json
+import java.time.LocalTime
+import kotlin.test.assertEquals
+
+class Test_LocalTimeSerializer {
+    @Test
+    fun `test serialization`() {
+        val instant = LocalTime.now()
+
+        /** Encoding */
+        val instantJson = json.encodeToString(instant)
+        assertEquals("\"$instant\"", instantJson)
+
+        /** Decoding */
+        val instant_new = json.decodeFromString<LocalTime>(instantJson)
+        assertEquals(instant, instant_new)
+    }
+}

src/test/kotlin/Test_UUIDSerializer.kt

@@ -1,9 +1,9 @@
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.encodeToString
-import kotlinx.serialization.json.Json
 import org.junit.jupiter.api.Test
-import utils.UId
 import utils.Parent
+import utils.UId
+import utils.json
 import kotlin.test.assertEquals
 
 class test_UUIDSerializer {
@@ -12,11 +12,11 @@ class test_UUIDSerializer {
         val id = UId<Parent>()
 
         /** Encoding */
-        val id_json = Json.encodeToString(id)
+        val id_json = json.encodeToString(id)
         assertEquals("\"${id.value}\"", id_json)
 
         /** Decoding */
-        val id_new = Json.decodeFromString<UId<Parent>>(id_json)
+        val id_new = json.decodeFromString<UId<Parent>>(id_json)
         assertEquals(id, id_new)
     }
 
@@ -25,11 +25,11 @@ class test_UUIDSerializer {
         val parent = Parent(col = "col")
 
         /** Encoding */
-        val parent_json = Json.encodeToString(parent)
+        val parent_json = json.encodeToString(parent)
         assertEquals("{\"id\":\"${parent.id}\",\"col\":\"col\"}", parent_json)
 
         /** Decoding */
-        val parent_new = Json.decodeFromString<Parent>(parent_json)
+        val parent_new = json.decodeFromString<Parent>(parent_json)
         assertEquals(parent, parent_new)
     }
 }

src/test/kotlin/utils/Serializers.kt

@@ -1,7 +1,23 @@
 package utils
 
 import com.urosjarc.dbmessiah.data.TypeSerializer
+import com.urosjarc.dbmessiah.extra.kotlinx.InstantSerializer
+import com.urosjarc.dbmessiah.extra.kotlinx.LocalDateSerializer
+import com.urosjarc.dbmessiah.extra.kotlinx.LocalTimeSerializer
+import com.urosjarc.dbmessiah.extra.kotlinx.UUIDSerializer
 import com.urosjarc.dbmessiah.serializers.IdTS
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.modules.SerializersModule
+import kotlinx.serialization.modules.contextual
+
+val json = Json {
+    serializersModule = SerializersModule {
+        contextual(InstantSerializer)
+        contextual(LocalDateSerializer)
+        contextual(LocalTimeSerializer)
+        contextual(UUIDSerializer)
+    }
+}
 
 internal object Serializers {
     val int = IdTS.int({ Id<Any>(it) }, { it.value })