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http://www.stripesframework.org/jira/browse/STS-830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Bitkowski updated STS-830:
--------------------------------

    Attachment: DefaultActionBeanPropertyBinder.patch

DefaultActionBeanPropertyBinder patch file

> Handling EnumSets in DefaultActionBeanPropertyBinder
> ----------------------------------------------------
>
>                 Key: STS-830
>                 URL: http://www.stripesframework.org/jira/browse/STS-830
>             Project: Stripes
>          Issue Type: Improvement
>            Reporter: David Bitkowski
>              Labels: binding
>         Attachments: DefaultActionBeanPropertyBinder.patch
>
>
> Hi guys,
> I had some problems with the DefaultActionBeanPropertyBinder binding 
> correctly with an EnumSet bean.  I traced it and found it was a small 
> modification to DefaultActionBeanPropertyBinder.  Here is the additional code 
> that will allow for handling EnumSets.  It is just a small modification to 
> bindNonNullValue:
>     @SuppressWarnings({ "unchecked", "rawtypes" })
>       protected void bindNonNullValue(ActionBean bean,
>             PropertyExpressionEvaluation propertyEvaluation, List<Object> 
> valueOrValues,
>             Class targetType, Class scalarType) throws Exception {
>         Class valueType = valueOrValues.iterator().next().getClass();
>         // If the target type is an array, set it as one, otherwise set as 
> scalar
>         if (targetType.isArray() && !valueType.isArray()) {
>             Object typedArray = Array.newInstance(scalarType, 
> valueOrValues.size());
>             for (int i = 0; i < valueOrValues.size(); ++i) {
>                 Array.set(typedArray, i, valueOrValues.get(i));
>             }
>             propertyEvaluation.setValue(typedArray);
>         }
>         else if (Collection.class.isAssignableFrom(targetType)
>                 && !Collection.class.isAssignableFrom(valueType)) {
>             Collection collection = null;
>             if (targetType.isInterface()) {
>                 collection = (Collection) 
> ReflectUtil.getInterfaceInstance(targetType);
>             }
>             else if(EnumSet.class.isAssignableFrom(targetType) && 
> Enum.class.isAssignableFrom(scalarType)) {
>               collection = EnumSet.noneOf(scalarType.asSubclass(Enum.class));
>             }
>             else {
>                 collection = (Collection) targetType.newInstance();
>             }
>             collection.addAll(valueOrValues);
>             propertyEvaluation.setValue(collection);
>         }
>         else {
>             propertyEvaluation.setValue(valueOrValues.get(0));
>         }
>     }
> Cheers, and lovin' Stripes!

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