HandlerMethodParameter defensively handles interface annotation arrays

Issue: SPR-17629
This commit is contained in:
Juergen Hoeller 2019-01-08 00:32:09 +01:00
parent dc2535516c
commit 1faeeaea14
1 changed files with 18 additions and 15 deletions

View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2018 the original author or authors.
* Copyright 2002-2019 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.
@ -481,23 +481,26 @@ public class HandlerMethod {
if (anns == null) {
anns = super.getParameterAnnotations();
for (Annotation[][] ifcAnns : getInterfaceParameterAnnotations()) {
Annotation[] paramAnns = ifcAnns[getParameterIndex()];
if (paramAnns.length > 0) {
List<Annotation> merged = new ArrayList<>(anns.length + paramAnns.length);
merged.addAll(Arrays.asList(anns));
for (Annotation paramAnn : paramAnns) {
boolean existingType = false;
for (Annotation ann : anns) {
if (ann.annotationType() == paramAnn.annotationType()) {
existingType = true;
break;
int index = getParameterIndex();
if (index < ifcAnns.length) {
Annotation[] paramAnns = ifcAnns[index];
if (paramAnns.length > 0) {
List<Annotation> merged = new ArrayList<>(anns.length + paramAnns.length);
merged.addAll(Arrays.asList(anns));
for (Annotation paramAnn : paramAnns) {
boolean existingType = false;
for (Annotation ann : anns) {
if (ann.annotationType() == paramAnn.annotationType()) {
existingType = true;
break;
}
}
if (!existingType) {
merged.add(adaptAnnotation(paramAnn));
}
}
if (!existingType) {
merged.add(adaptAnnotation(paramAnn));
}
anns = merged.toArray(new Annotation[0]);
}
anns = merged.toArray(new Annotation[0]);
}
}
this.combinedAnnotations = anns;