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Add native support for Kotlin default values in controllers

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Closes gh-33384
This commit is contained in:
Sébastien Deleuze
2024-08-19 09:46:53 +02:00
parent 143736e59b
commit d41ca095ab
2 changed files with 60 additions and 0 deletions
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7
spring-web/src/main/java/org/springframework/web/bind/annotation/ControllerMappingReflectiveProcessor.java
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@@ -25,11 +25,13 @@ import org.springframework.aot.hint.BindingReflectionHintsRegistrar;
import org.springframework.aot.hint.ExecutableMode;
import org.springframework.aot.hint.ReflectionHints;
import org.springframework.aot.hint.annotation.ReflectiveProcessor;
import org.springframework.core.KotlinDetector;
import org.springframework.core.MethodParameter;
import org.springframework.core.annotation.AnnotatedElementUtils;
import org.springframework.http.HttpEntity;
import org.springframework.lang.Nullable;
import org.springframework.stereotype.Controller;
import org.springframework.util.ReflectionUtils;
/**
* {@link ReflectiveProcessor} implementation for {@link Controller} and
@@ -71,6 +73,11 @@ class ControllerMappingReflectiveProcessor implements ReflectiveProcessor {
protected void registerMethodHints(ReflectionHints hints, Method method) {
hints.registerMethod(method, ExecutableMode.INVOKE);
Class<?> declaringClass = method.getDeclaringClass();
if (KotlinDetector.isKotlinType(declaringClass)) {
ReflectionUtils.doWithMethods(declaringClass, m -> hints.registerMethod(m, ExecutableMode.INVOKE),
m -> m.getName().equals(method.getName() + "$default"));
}
for (Parameter parameter : method.getParameters()) {
registerParameterTypeHints(hints, MethodParameter.forParameter(parameter));
}