diff --git a/spring-core/src/main/java/org/springframework/aot/hint/support/KotlinDetectorRuntimeHints.java b/spring-core/src/main/java/org/springframework/aot/hint/support/KotlinDetectorRuntimeHints.java new file mode 100644 index 00000000000..e3f6251a00b --- /dev/null +++ b/spring-core/src/main/java/org/springframework/aot/hint/support/KotlinDetectorRuntimeHints.java @@ -0,0 +1,36 @@ +/* + * Copyright 2002-2023 the original author or authors. + * + * 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 + * + * https://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 org.springframework.aot.hint.support; + +import org.springframework.aot.hint.RuntimeHints; +import org.springframework.aot.hint.RuntimeHintsRegistrar; +import org.springframework.aot.hint.TypeReference; + +/** + * {@link RuntimeHintsRegistrar} to register hints for {@link org.springframework.core.KotlinDetector}. + * + * @author Brian Clozel + * @since 6.1 + */ +class KotlinDetectorRuntimeHints implements RuntimeHintsRegistrar { + + @Override + public void registerHints(RuntimeHints hints, ClassLoader classLoader) { + hints.reflection().registerType(TypeReference.of("kotlin.Metadata")) + .registerType(TypeReference.of("kotlin.reflect.full.KClasses")); + } +} diff --git a/spring-core/src/main/resources/META-INF/spring/aot.factories b/spring-core/src/main/resources/META-INF/spring/aot.factories index 9d735f3b424..2150ebaea8a 100644 --- a/spring-core/src/main/resources/META-INF/spring/aot.factories +++ b/spring-core/src/main/resources/META-INF/spring/aot.factories @@ -1,3 +1,4 @@ org.springframework.aot.hint.RuntimeHintsRegistrar=\ +org.springframework.aot.hint.support.KotlinDetectorRuntimeHints,\ org.springframework.aot.hint.support.ObjectToObjectConverterRuntimeHints,\ org.springframework.aot.hint.support.SpringFactoriesLoaderRuntimeHints diff --git a/spring-core/src/test/java/org/springframework/aot/hint/support/KotlinDetectorRuntimeHintsTests.java b/spring-core/src/test/java/org/springframework/aot/hint/support/KotlinDetectorRuntimeHintsTests.java new file mode 100644 index 00000000000..72965937c96 --- /dev/null +++ b/spring-core/src/test/java/org/springframework/aot/hint/support/KotlinDetectorRuntimeHintsTests.java @@ -0,0 +1,56 @@ +/* + * Copyright 2002-2023 the original author or authors. + * + * 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 + * + * https://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 org.springframework.aot.hint.support; + +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +import org.springframework.aot.hint.RuntimeHints; +import org.springframework.aot.hint.RuntimeHintsRegistrar; +import org.springframework.aot.hint.predicate.RuntimeHintsPredicates; +import org.springframework.core.io.support.SpringFactoriesLoader; +import org.springframework.util.ClassUtils; + +import static org.assertj.core.api.Assertions.assertThat; + +/** + * Tests for {@link KotlinDetectorRuntimeHints}. + * @author Brian Clozel + */ +class KotlinDetectorRuntimeHintsTests { + + private RuntimeHints hints; + + @BeforeEach + void setup() { + this.hints = new RuntimeHints(); + SpringFactoriesLoader.forResourceLocation("META-INF/spring/aot.factories") + .load(RuntimeHintsRegistrar.class).forEach(registrar -> registrar + .registerHints(this.hints, ClassUtils.getDefaultClassLoader())); + } + + @Test + void kotlinMetadataHasHints() { + assertThat(RuntimeHintsPredicates.reflection().onType(kotlin.Metadata.class)).accepts(this.hints); + } + + @Test + void kotlinReflectHasHints() { + assertThat(RuntimeHintsPredicates.reflection().onType(kotlin.reflect.full.KClasses.class)).accepts(this.hints); + } + +}