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https://issues.apache.org/jira/browse/WW-3603?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Lukasz Lenart updated WW-3603:
------------------------------
Fix Version/s: 3.x
> XWorkMapPropertyAccessor always create new map entries
> ------------------------------------------------------
>
> Key: WW-3603
> URL: https://issues.apache.org/jira/browse/WW-3603
> Project: Struts 2
> Issue Type: Bug
> Affects Versions: 2.2.1
> Reporter: Igor Evgrafov
> Fix For: 3.x
>
>
> XWorkMapPropertyAccessor uses
> "context.get(ReflectionContextState.CREATE_NULL_OBJECTS) != null" to check if
> it in create new objects mode.
> ==================
> if (result == null &&
> context.get(ReflectionContextState.CREATE_NULL_OBJECTS)
> != null //BUG
> &&
> objectTypeDeterminer.shouldCreateIfNew(lastClass,lastProperty,target,null,false))
> {
> Class valueClass =
> objectTypeDeterminer.getElementClass(lastClass, lastProperty, key);
> try {
> result = objectFactory.buildBean(valueClass, context);
> map.put(key, result);
> } catch (Exception exc) {
> }
> }
> ==================
> However ParametersInterceptor uses
> ReflectionContextState.setCreatingNullObjects(contextMap, true\false); to
> turn this mode on and off. In result
> "context.get(ReflectionContextState.CREATE_NULL_OBJECTS) != null" is always
> true and result bean is always created.
> ==================
> Map<String, Object> contextMap = ac.getContextMap();
> try {
> ReflectionContextState.setCreatingNullObjects(contextMap,
> true);
> ReflectionContextState.setDenyMethodExecution(contextMap,
> true);
>
> ReflectionContextState.setReportingConversionErrors(contextMap, true);
> ValueStack stack = ac.getValueStack();
> setParameters(action, stack, parameters);
> } finally {
> ReflectionContextState.setCreatingNullObjects(contextMap,
> false);
> ReflectionContextState.setDenyMethodExecution(contextMap,
> false);
>
> ReflectionContextState.setReportingConversionErrors(contextMap, false);
> }
> ==================
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