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Avoid return value reference in potentially cached MethodParameter instance 

Closes gh-28232
This commit is contained in:
Juergen Hoeller 2022-04-08 13:03:13 +02:00
parent 9f91168396
commit eefdd2c768
2 changed files with 10 additions and 10 deletions
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10
spring-messaging/src/main/java/org/springframework/messaging/handler/HandlerMethod.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2021 the original author or authors.
* Copyright 2002-2022 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.
@ -420,21 +420,21 @@ public class HandlerMethod {
private class ReturnValueMethodParameter extends HandlerMethodParameter {
@Nullable
private final Object returnValue;
private final Class<?> returnValueType;
public ReturnValueMethodParameter(@Nullable Object returnValue) {
super(-1);
this.returnValue = returnValue;
this.returnValueType = (returnValue != null ? returnValue.getClass() : null);
}
protected ReturnValueMethodParameter(ReturnValueMethodParameter original) {
super(original);
this.returnValue = original.returnValue;
this.returnValueType = original.returnValueType;
}
@Override
public Class<?> getParameterType() {
return (this.returnValue != null ? this.returnValue.getClass() : super.getParameterType());
return (this.returnValueType != null ? this.returnValueType : super.getParameterType());
}
@Override

10
spring-web/src/main/java/org/springframework/web/method/HandlerMethod.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2021 the original author or authors.
* Copyright 2002-2022 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.
@ -582,21 +582,21 @@ public class HandlerMethod {
private class ReturnValueMethodParameter extends HandlerMethodParameter {
@Nullable
private final Object returnValue;
private final Class<?> returnValueType;
public ReturnValueMethodParameter(@Nullable Object returnValue) {
super(-1);
this.returnValue = returnValue;
this.returnValueType = (returnValue != null ? returnValue.getClass() : null);
}
protected ReturnValueMethodParameter(ReturnValueMethodParameter original) {
super(original);
this.returnValue = original.returnValue;
this.returnValueType = original.returnValueType;
}
@Override
public Class<?> getParameterType() {
return (this.returnValue != null ? this.returnValue.getClass() : super.getParameterType());
return (this.returnValueType != null ? this.returnValueType : super.getParameterType());
}
@Override