[jira] Commented: (BEANUTILS-307) BeanUtils.setProperty(...) not working for property "xValue" (see description for reason)

["Niall Pemberton (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEANUTILS-307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12573379#action_12573379 ] 

Niall Pemberton commented on BEANUTILS-307:
-------------------------------------------

OK its been a while since I looked at the java beans spec - my first thought is you should be using "XValue" as the property name instead of "xValue".

> BeanUtils.setProperty(...) not working for property "xValue" (see description for reason)
> -----------------------------------------------------------------------------------------
>
>                 Key: BEANUTILS-307
>                 URL: https://issues.apache.org/jira/browse/BEANUTILS-307
>             Project: Commons BeanUtils
>          Issue Type: Bug
>          Components: Bean / Property Utils
>    Affects Versions: 1.8.0-BETA
>         Environment: linux, jdk 1.6, beanutils 1.8 beta
>            Reporter: Alexander Koppelhuber
>
> setting values for a property that has one lower case character at the beginning
> followed by an upper case character does not work. for example "xValue" or "zIndex".
> The reason (as far as I found out) is as follows:
> Introspector.getBeanInfo() gets the property names from the get/set methods.
> In Introspector.getTargetPropertyInfo() the following code creates a PropertyDescriptor:
> >pd = new PropertyDescriptor(decapitalize(name.substring(3)),......)
> decapitalize(....) says "....when there is more than one character and both the first and second characters are upper case, we leave it alone..."
> which results in the name = "XValue" for the method getXValue()
> so setProperty(...) does not find a descriptor for "xValue" and cannot call the setXValue method
> I think this issue is not limited to 1.8 beta but also to earlier versions

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