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SpringBeanELResolver's setValue should not throw PropertyNotWritableException if provided value is identical to current bean instance

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Issue: SPR-11502
This commit is contained in:
Juergen Hoeller
2014-03-06 14:17:54 +01:00
parent 793cab4f80
commit 7972b31118
1 changed files with 9 additions and 4 deletions
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13
spring-beans/src/main/java/org/springframework/beans/factory/access/el/SpringBeanELResolver.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2012 the original author or authors.
* Copyright 2002-2014 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.
@@ -18,7 +18,6 @@ package org.springframework.beans.factory.access.el;
import java.beans.FeatureDescriptor;
import java.util.Iterator;
import javax.el.ELContext;
import javax.el.ELException;
import javax.el.ELResolver;
@@ -78,8 +77,14 @@ public abstract class SpringBeanELResolver extends ELResolver {
String beanName = property.toString();
BeanFactory bf = getBeanFactory(elContext);
if (bf.containsBean(beanName)) {
throw new PropertyNotWritableException(
"Variable '" + beanName + "' refers to a Spring bean which by definition is not writable");
if (value == bf.getBean(beanName)) {
// Setting the bean reference to the same value is alright - can simply be ignored...
elContext.setPropertyResolved(true);
}
else {
throw new PropertyNotWritableException(
"Variable '" + beanName + "' refers to a Spring bean which by definition is not writable");
}
}
}
}