Merge pull request #212 from ProjectMapK/develop

Release 2024-01-21 12:31:31 +0000

Author: k163377

build.gradle.kts

@@ -16,7 +16,7 @@ val jacksonVersion = libs.versions.jackson.get()
 val generatedSrcPath = "${layout.buildDirectory.get()}/generated/kotlin"
 
 group = groupStr
-version = "${jacksonVersion}-beta9"
+version = "${jacksonVersion}-beta10"
 
 repositories {
     mavenCentral()
@@ -32,6 +32,7 @@ dependencies {
     api(libs.jackson.annotations)
 
     // test libs
+    testImplementation("${libs.kotlin.reflect.get()}:${kotlinVersion}")
     testImplementation(libs.junit.api)
     testImplementation(libs.junit.params)
     testRuntimeOnly(libs.junit.engine)

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 kotlin = "1.8.22" # Mainly for CI, it can be rewritten by environment variable.
-jackson = "2.16.0"
+jackson = "2.16.1"
 
 # test libs
 junit = "5.10.1"
@@ -12,6 +12,7 @@ jackson-databind = { module = "com.fasterxml.jackson.core:jackson-databind", ver
 jackson-annotations = { module = "com.fasterxml.jackson.core:jackson-annotations", version.ref = "jackson" }
 
 # test libs
+kotlin-reflect = { module = "org.jetbrains.kotlin:kotlin-reflect" }
 junit-api = { module = "org.junit.jupiter:junit-jupiter-api", version.ref = "junit" }
 junit-params = { module = "org.junit.jupiter:junit-jupiter-params", version.ref = "junit" }
 junit-engine = { module = "org.junit.jupiter:junit-jupiter-engine", version.ref = "junit" }

src/main/java/io/github/projectmapk/jackson/module/kogera/deser/ValueClassDeserializer.java renamed to src/main/java/io/github/projectmapk/jackson/module/kogera/deser/WrapsNullableValueClassDeserializer.java

@@ -1,32 +1,37 @@
 package io.github.projectmapk.jackson.module.kogera.deser;
 
+import com.fasterxml.jackson.core.JacksonException;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
 import com.fasterxml.jackson.databind.JavaType;
 import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
-import io.github.projectmapk.jackson.module.kogera.deser.deserializers.ValueClassBoxDeserializer;
+import io.github.projectmapk.jackson.module.kogera.deser.deserializers.WrapsNullableValueClassBoxDeserializer;
 import kotlin.jvm.JvmClassMappingKt;
 import kotlin.reflect.KClass;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.io.IOException;
+
 /**
  * An interface to be inherited by JsonDeserializer that handles value classes that may wrap nullable.
- * @see ValueClassBoxDeserializer for implementation.
+ * @see WrapsNullableValueClassBoxDeserializer for implementation.
  */
-// To ensure maximum compatibility with StdDeserializer, this class is defined in Java.
-public abstract class ValueClassDeserializer<D> extends StdDeserializer<D> {
-    protected ValueClassDeserializer(@NotNull KClass<?> vc) {
+// To ensure maximum compatibility with StdDeserializer, this class is written in Java.
+public abstract class WrapsNullableValueClassDeserializer<D> extends StdDeserializer<D> {
+    protected WrapsNullableValueClassDeserializer(@NotNull KClass<?> vc) {
         super(JvmClassMappingKt.getJavaClass(vc));
     }
 
-    protected ValueClassDeserializer(@NotNull Class<?> vc) {
+    protected WrapsNullableValueClassDeserializer(@NotNull Class<?> vc) {
         super(vc);
     }
 
-    protected ValueClassDeserializer(@NotNull JavaType valueType) {
+    protected WrapsNullableValueClassDeserializer(@NotNull JavaType valueType) {
         super(valueType);
     }
 
-    protected ValueClassDeserializer(@NotNull StdDeserializer<D> src) {
+    protected WrapsNullableValueClassDeserializer(@NotNull StdDeserializer<D> src) {
         super(src);
     }
 
@@ -44,4 +49,8 @@ public final Class<D> handledType() {
     // It is defined so that null can also be returned so that Nulls.SKIP can be applied.
     @Nullable
     public abstract D getBoxedNullValue();
+
+    @Override
+    public abstract D deserialize(@NotNull JsonParser p, @NotNull DeserializationContext ctxt)
+            throws IOException, JacksonException;
 }

src/main/kotlin/io/github/projectmapk/jackson/module/kogera/Converters.kt

@@ -29,7 +29,6 @@ internal class ValueClassUnboxConverter<T : Any>(val valueClass: Class<T>) : Std
     private val unboxMethod = valueClass.getDeclaredMethod("unbox-impl").apply {
         if (!this.isAccessible) this.isAccessible = true
     }
-    val unboxedClass: Class<*> = unboxMethod.returnType
 
     override fun convert(value: T): Any? = unboxMethod.invoke(value)
 

src/main/kotlin/io/github/projectmapk/jackson/module/kogera/InternalCommons.kt

@@ -12,7 +12,7 @@ import java.lang.reflect.Method
 internal typealias JavaDuration = java.time.Duration
 internal typealias KotlinDuration = kotlin.time.Duration
 
-internal fun Class<*>.isUnboxableValueClass() = this.getAnnotation(JvmInline::class.java) != null
+internal fun Class<*>.isUnboxableValueClass() = this.isAnnotationPresent(JvmInline::class.java)
 
 // JmClass must be value class.
 internal fun JmClass.wrapsNullValueClass() = inlineClassUnderlyingType!!.isNullable

src/main/kotlin/io/github/projectmapk/jackson/module/kogera/KotlinClassIntrospector.kt

@@ -50,7 +50,7 @@ internal object KotlinClassIntrospector : BasicClassIntrospector() {
             ?: run {
                 val coll = collectProperties(config, type, r, true)
 
-                if (type.rawClass.annotations.any { it is Metadata }) {
+                if (type.rawClass.isAnnotationPresent(Metadata::class.java)) {
                     KotlinBeanDescription(coll)
                 } else {
                     BasicBeanDescription.forDeserialization(coll)
@@ -71,7 +71,7 @@ internal object KotlinClassIntrospector : BasicClassIntrospector() {
             ?: run {
                 val coll = collectProperties(config, type, r, false)
 
-                if (type.rawClass.annotations.any { it is Metadata }) {
+                if (type.rawClass.isAnnotationPresent(Metadata::class.java)) {
                     KotlinBeanDescription(coll)
                 } else {
                     BasicBeanDescription.forDeserialization(coll)

src/main/kotlin/io/github/projectmapk/jackson/module/kogera/annotationIntrospector/KotlinFallbackAnnotationIntrospector.kt

@@ -82,7 +82,7 @@ internal class KotlinFallbackAnnotationIntrospector(
                 }
             } else {
                 // If JsonUnbox is specified, the unboxed getter is used as is.
-                if (a.hasAnnotation(JsonKUnbox::class.java) || it.getAnnotation(JsonKUnbox::class.java) != null) {
+                if (a.hasAnnotation(JsonKUnbox::class.java) || it.isAnnotationPresent(JsonKUnbox::class.java)) {
                     null
                 } else {
                     cache.getValueClassBoxConverter(a.rawReturnType, it)

src/main/kotlin/io/github/projectmapk/jackson/module/kogera/deser/deserializers/KotlinDeserializers.kt

@@ -14,7 +14,7 @@ import io.github.projectmapk.jackson.module.kogera.KotlinDuration
 import io.github.projectmapk.jackson.module.kogera.ReflectionCache
 import io.github.projectmapk.jackson.module.kogera.ValueClassBoxConverter
 import io.github.projectmapk.jackson.module.kogera.deser.JavaToKotlinDurationConverter
-import io.github.projectmapk.jackson.module.kogera.deser.ValueClassDeserializer
+import io.github.projectmapk.jackson.module.kogera.deser.WrapsNullableValueClassDeserializer
 import io.github.projectmapk.jackson.module.kogera.hasCreatorAnnotation
 import io.github.projectmapk.jackson.module.kogera.isUnboxableValueClass
 import io.github.projectmapk.jackson.module.kogera.toSignature
@@ -89,10 +89,10 @@ internal object ULongDeserializer : StdDeserializer<ULong>(ULong::class.java) {
         ULongChecker.readWithRangeCheck(p, p.bigIntegerValue)
 }
 
-internal class ValueClassBoxDeserializer<S, D : Any>(
+internal class WrapsNullableValueClassBoxDeserializer<S, D : Any>(
     private val creator: Method,
     private val converter: ValueClassBoxConverter<S, D>
-) : ValueClassDeserializer<D>(converter.boxedClass) {
+) : WrapsNullableValueClassDeserializer<D>(converter.boxedClass) {
     private val inputType: Class<*> = creator.parameterTypes[0]
 
     init {
@@ -169,9 +169,9 @@ internal class KotlinDeserializers(
             rawClass == KotlinDuration::class.java ->
                 JavaToKotlinDurationConverter.takeIf { useJavaDurationConversion }?.delegatingDeserializer
             rawClass.isUnboxableValueClass() -> findValueCreator(type, rawClass, cache.getJmClass(rawClass)!!)?.let {
-                val unboxedClass = cache.getValueClassUnboxConverter(rawClass).unboxedClass
+                val unboxedClass = it.returnType
                 val converter = cache.getValueClassBoxConverter(unboxedClass, rawClass)
-                ValueClassBoxDeserializer(it, converter)
+                WrapsNullableValueClassBoxDeserializer(it, converter)
             }
             else -> null
         }

src/main/kotlin/io/github/projectmapk/jackson/module/kogera/deser/valueInstantiator/KotlinValueInstantiator.kt

@@ -14,7 +14,7 @@ import com.fasterxml.jackson.databind.deser.std.StdValueInstantiator
 import com.fasterxml.jackson.databind.exc.InvalidNullException
 import com.fasterxml.jackson.databind.module.SimpleValueInstantiators
 import io.github.projectmapk.jackson.module.kogera.ReflectionCache
-import io.github.projectmapk.jackson.module.kogera.deser.ValueClassDeserializer
+import io.github.projectmapk.jackson.module.kogera.deser.WrapsNullableValueClassDeserializer
 import io.github.projectmapk.jackson.module.kogera.deser.valueInstantiator.creator.ConstructorValueCreator
 import io.github.projectmapk.jackson.module.kogera.deser.valueInstantiator.creator.MethodValueCreator
 import io.github.projectmapk.jackson.module.kogera.deser.valueInstantiator.creator.ValueCreator
@@ -47,7 +47,7 @@ internal class KotlinValueInstantiator(
         isNullableParam: Boolean,
         valueDeserializer: JsonDeserializer<*>?
     ): Boolean = !isNullableParam &&
-        valueDeserializer is ValueClassDeserializer<*> &&
+        valueDeserializer is WrapsNullableValueClassDeserializer<*> &&
         cache.getJmClass(valueDeserializer.handledType())!!.wrapsNullValueClass()
 
     private val valueCreator: ValueCreator<*>? by ReflectProperties.lazySoft {
@@ -83,7 +83,7 @@ internal class KotlinValueInstantiator(
                     // Deserializer.getNullValue could not be used because there is no way to get and parse parameters
                     // from the BeanDescription and using AnnotationIntrospector would override user customization.
                     if (requireValueClassSpecialNullValue(paramDef.isNullable, valueDeserializer)) {
-                        (valueDeserializer as ValueClassDeserializer<*>).boxedNullValue?.let { return@run it }
+                        (valueDeserializer as WrapsNullableValueClassDeserializer<*>).boxedNullValue?.let { return@run it }
                     }
 
                     if (jsonProp.skipNulls() && paramDef.isOptional) return@forEachIndexed

src/test/kotlin/io/github/projectmapk/jackson/module/kogera/TestCommons.kt

@@ -4,6 +4,10 @@ import com.fasterxml.jackson.core.util.DefaultIndenter
 import com.fasterxml.jackson.core.util.DefaultPrettyPrinter
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.databind.ObjectWriter
+import org.junit.jupiter.api.Assertions.assertEquals
+import kotlin.reflect.KParameter
+import kotlin.reflect.full.memberProperties
+import kotlin.reflect.full.primaryConstructor
 
 // This `printer` is used to match the output from Jackson to the newline char of the source code.
 // If this is removed, comparisons will fail in a Windows-like platform.
@@ -13,3 +17,18 @@ internal val LF_PRINTER: DefaultPrettyPrinter =
 internal fun ObjectMapper.testPrettyWriter(): ObjectWriter = this.writer(LF_PRINTER)
 
 internal fun Class<*>.isKotlinClass() = declaredAnnotations.any { it is Metadata }
+
+internal val defaultMapper = jacksonObjectMapper()
+
+internal inline fun <reified T : Any> callPrimaryConstructor(mapper: (KParameter) -> Any? = { it.name }): T =
+    T::class.primaryConstructor!!.run {
+        val args = parameters.associateWith { mapper(it) }
+        callBy(args)
+    }
+
+// Function for comparing non-data classes.
+internal inline fun <reified T : Any> assertReflectEquals(expected: T, actual: T) {
+    T::class.memberProperties.forEach {
+        assertEquals(it.get(expected), it.get(actual))
+    }
+}