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Polish Kotlin nullable support

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This commit polishes Kotlin nullable support by reusing
MethodParameter#isOptional() instead of adding a new
MethodParameter#isNullable() method, adds
Kotlin tests and introduces Spring Web Reactive
support.

Issue: SPR-14165
This commit is contained in:
Sebastien Deleuze
2016-11-21 23:59:41 +01:00
parent fada91e538
commit a143b57d4b
10 changed files with 609 additions and 63 deletions
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2
spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/support/AbstractNamedValueMethodArgumentResolver.java
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@@ -98,7 +98,7 @@ public abstract class AbstractNamedValueMethodArgumentResolver implements Handle
if (namedValueInfo.defaultValue != null) {
arg = resolveStringValue(namedValueInfo.defaultValue);
}
else if (namedValueInfo.required && !nestedParameter.isOptional() && !nestedParameter.isNullable()) {
else if (namedValueInfo.required && !nestedParameter.isOptional()) {
handleMissingValue(namedValueInfo.name, nestedParameter, message);
}
arg = handleNullValue(namedValueInfo.name, arg, nestedParameter.getNestedParameterType());