Spring/spring-framework
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Support variable resolution of wildcard types

Browse Source 
Includes cleanup of "varaible" typos in ResolvableTypeTests.

Closes gh-24150
This commit is contained in:
Juergen Hoeller
2019-12-09 13:28:39 +01:00
parent 5341e77796
commit 197dbffe20
2 changed files with 24 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
spring-core/src/main/java/org/springframework/core/ResolvableType.java
View File

@@ -872,6 +872,12 @@ public class ResolvableType implements Serializable {
return forType(ownerType, this.variableResolver).resolveVariable(variable);
}
}
if (this.type instanceof WildcardType) {
ResolvableType resolved = resolveType().resolveVariable(variable);
if (resolved != null) {
return resolved;
}
}
if (this.variableResolver != null) {
return this.variableResolver.resolveVariable(variable);
}
@@ -997,7 +1003,7 @@ public class ResolvableType implements Serializable {
* {@link Class#isAssignableFrom}, which this serves as a wrapper for.
* For example: {@code ResolvableType.forRawClass(List.class)}.
* @param clazz the class to introspect ({@code null} is semantically
* equivalent to {@code Object.class} for typical use cases here}
* equivalent to {@code Object.class} for typical use cases here)
* @return a {@link ResolvableType} for the specified class
* @since 4.2
* @see #forClass(Class)
@@ -1485,10 +1491,10 @@ public class ResolvableType implements Serializable {
@Override
@Nullable
public ResolvableType resolveVariable(TypeVariable<?> variable) {
TypeVariable<?> variableToCompare = SerializableTypeWrapper.unwrap(variable);
for (int i = 0; i < this.variables.length; i++) {
TypeVariable<?> v1 = SerializableTypeWrapper.unwrap(this.variables[i]);
TypeVariable<?> v2 = SerializableTypeWrapper.unwrap(variable);
if (ObjectUtils.nullSafeEquals(v1, v2)) {
TypeVariable<?> resolvedVariable = SerializableTypeWrapper.unwrap(this.variables[i]);
if (ObjectUtils.nullSafeEquals(resolvedVariable, variableToCompare)) {
return this.generics[i];
}
}