Suppress class and declaringClass pseudo-properties in BeanMap#412
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BeanMap.initialize introspected the bean directly and registered the
class/declaringClass pseudo-properties, so BeanMap.get("class") returned
the bean's class loader that PropertyUtilsBean suppresses by default. Skip
both names during initialization.
garydgregory
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Jul 11, 2026
garydgregory
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Hi @rootvector2
Please my see my comments.
| public Object[] getSampleValues() { | ||
| final Object[] values = { Integer.valueOf(1234), Long.valueOf(1298341928234L), Double.valueOf(123423.34), Float.valueOf(1213332.12f), | ||
| Short.valueOf((short) 134), Byte.valueOf((byte) 10), Character.valueOf('a'), Integer.valueOf(1432), "SomeStringValue", objectInFullMap, | ||
| BeanWithProperties.class, }; |
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Why was BeanWithProperties removed here?
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getSampleValues() is index-aligned with getSampleKeys() in AbstractMapTest; BeanWithProperties.class was the sample value for the class key, so removing the key means removing its value too, otherwise the arrays go out of sync.
| assertNull(map.get("class")); | ||
| assertNull(map.getReadMethod("class")); | ||
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| final BeanMap enumMap = new BeanMap(java.time.DayOfWeek.MONDAY); |
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Don't use a fully-qualified class name here.
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done, switched to an import of DayOfWeek.
garydgregory
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BeanMap.initializeintrospects the bean withjava.beans.Introspectordirectly and registers every property descriptor, so theclasspseudo-property (Object.getClass, present on every bean) anddeclaringClass(Enum.getDeclaringClass, on enums) become map entries.PropertyUtilsBeanregistersSuppressPropertiesBeanIntrospector.SUPPRESS_CLASS/SUPPRESS_DECLARING_CLASSby default to drop exactly these, butBeanMapapplies no suppression, sonew BeanMap(bean).get("class")hands back the bean'sClassand its class loader, andkeySet()/entrySet()enumerate that entry to any caller treating theBeanMapas an opaqueMap. Skip both names ininitialize(), matching the"class".equals(name)guard already inBeanUtilsBean.copyProperties.Found while auditing which introspection paths honor the default
classsuppression;BeanMapwas the one that reintroduces it.BeanMapTest.testClassPropertyNotExposedfails without the runtime change. Updated the sample key/value arrays that pinned theclassentry.mvn; that'smvnon the command line by itself.