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Workaround ResolvableType.forClassWithGenerics bug

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Temporarily work around SPR-16456
This commit is contained in:
Phillip Webb 2018-02-02 13:20:26 -08:00
parent 60d525e732
commit f24c92c658
2 changed files with 14 additions and 3 deletions
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2
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/CollectionBinder.java
View File

@ -40,7 +40,7 @@ class CollectionBinder extends IndexedElementsBinder<Collection<Object>> {
AggregateElementBinder elementBinder) {
Class<?> collectionType = (target.getValue() == null ? target.getType().resolve()
: List.class);
ResolvableType aggregateType = ResolvableType.forClassWithGenerics(List.class,
ResolvableType aggregateType = forClassWithGenerics(List.class,
target.getType().asCollection().getGenerics());
ResolvableType elementType = target.getType().asCollection().getGeneric();
IndexedCollectionSupplier result = new IndexedCollectionSupplier(

15
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/IndexedElementsBinder.java
View File

@ -79,8 +79,8 @@ abstract class IndexedElementsBinder<T> extends AggregateBinder<T> {
ConfigurationProperty property = source.getConfigurationProperty(root);
if (property != null) {
Object aggregate = convert(property.getValue(), aggregateType);
ResolvableType collectionType = ResolvableType
.forClassWithGenerics(collection.get().getClass(), elementType);
ResolvableType collectionType = forClassWithGenerics(
collection.get().getClass(), elementType);
Collection<Object> elements = convert(aggregate, collectionType);
collection.get().addAll(elements);
}
@ -140,6 +140,17 @@ abstract class IndexedElementsBinder<T> extends AggregateBinder<T> {
return ResolvableTypeDescriptor.forType(type).convert(conversionService, value);
}
// Work around for SPR-16456
protected static ResolvableType forClassWithGenerics(Class<?> type,
ResolvableType... generics) {
ResolvableType[] resolvedGenerics = new ResolvableType[generics.length];
for (int i = 0; i < generics.length; i++) {
resolvedGenerics[i] = forClassWithGenerics(generics[i].resolve(),
generics[i].getGenerics());
}
return ResolvableType.forClassWithGenerics(type, resolvedGenerics);
}
/**
* {@link AggregateBinder.AggregateSupplier AggregateSupplier} for an indexed
* collection.