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Nested list/map/array with constructor binding

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Closes gh-34305
This commit is contained in:
rstoyanchev
2025-02-11 10:11:39 +00:00
parent 4591a67641
commit 9f55296049
2 changed files with 59 additions and 10 deletions
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33
spring-context/src/main/java/org/springframework/validation/DataBinder.java
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@@ -1154,23 +1154,36 @@ public class DataBinder implements PropertyEditorRegistry, TypeConverter {
@SuppressWarnings("unchecked")
@Nullable
private <V> V createIndexedValue(
String paramPath, Class<?> paramType, ResolvableType elementType,
String paramPath, Class<?> containerType, ResolvableType elementType,
String indexedPath, ValueResolver valueResolver) {
Object value = null;
Class<?> elementClass = elementType.resolve(Object.class);
Object rawValue = valueResolver.resolveValue(indexedPath, elementClass);
if (rawValue != null) {
try {
value = convertIfNecessary(rawValue, elementClass);
}
catch (TypeMismatchException ex) {
handleTypeMismatchException(ex, paramPath, paramType, rawValue);
}
if (List.class.isAssignableFrom(elementClass)) {
value = createList(indexedPath, elementClass, elementType, valueResolver);
}
else if (Map.class.isAssignableFrom(elementClass)) {
value = createMap(indexedPath, elementClass, elementType, valueResolver);
}
else if (elementClass.isArray()) {
value = createArray(indexedPath, elementClass, elementType, valueResolver);
}
else {
value = createObject(elementType, indexedPath + ".", valueResolver);
Object rawValue = valueResolver.resolveValue(indexedPath, elementClass);
if (rawValue != null) {
try {
value = convertIfNecessary(rawValue, elementClass);
}
catch (TypeMismatchException ex) {
handleTypeMismatchException(ex, paramPath, containerType, rawValue);
}
}
else {
value = createObject(elementType, indexedPath + ".", valueResolver);
}
}
return (V) value;
}