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Reject JDK proxy hint registration for sealed interfaces

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Closes gh-28786
This commit is contained in:
Sam Brannen
2022-07-11 17:45:24 +02:00
parent 5c2ee249b5
commit 656dc549b1
2 changed files with 25 additions and 8 deletions
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10
spring-core/src/main/java/org/springframework/aot/hint/JdkProxyHint.java
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@@ -151,10 +151,12 @@ public final class JdkProxyHint implements ConditionalHint {
}
private static List<TypeReference> toTypeReferences(Class<?>... proxiedInterfaces) {
List<String> concreteTypes = Arrays.stream(proxiedInterfaces)
.filter(candidate -> !candidate.isInterface()).map(Class::getName).toList();
if (!concreteTypes.isEmpty()) {
throw new IllegalArgumentException("Not an interface: " + concreteTypes);
List<String> invalidTypes = Arrays.stream(proxiedInterfaces)
.filter(candidate -> !candidate.isInterface() || candidate.isSealed())
.map(Class::getName)
.toList();
if (!invalidTypes.isEmpty()) {
throw new IllegalArgumentException("The following must be non-sealed interfaces: " + invalidTypes);
}
return Arrays.stream(proxiedInterfaces).map(TypeReference::of).toList();
}