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Consistent type variable resolution for arrays/collections (in particular at field level)

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Deprecating GenericCollectionTypeResolver in favor of direct ResolvableType usage.

Issue: SPR-15160
(cherry picked from commit 5e946c2)
This commit is contained in:
Juergen Hoeller
2017-01-24 18:00:17 +01:00
parent b97e7d53bc
commit 3304efd64d
13 changed files with 326 additions and 66 deletions
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6
spring-web/src/main/java/org/springframework/web/multipart/support/MultipartResolutionDelegate.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2017 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.
@@ -22,8 +22,8 @@ import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.Part;
import org.springframework.core.GenericCollectionTypeResolver;
import org.springframework.core.MethodParameter;
import org.springframework.core.ResolvableType;
import org.springframework.util.ClassUtils;
import org.springframework.web.multipart.MultipartException;
import org.springframework.web.multipart.MultipartFile;
@@ -155,7 +155,7 @@ public abstract class MultipartResolutionDelegate {
private static Class<?> getCollectionParameterType(MethodParameter methodParam) {
Class<?> paramType = methodParam.getNestedParameterType();
if (Collection.class == paramType || List.class.isAssignableFrom(paramType)){
Class<?> valueType = GenericCollectionTypeResolver.getCollectionParameterType(methodParam);
Class<?> valueType = ResolvableType.forMethodParameter(methodParam).asCollection().resolveGeneric();
if (valueType != null) {
return valueType;
}