[richfaces-issues] [JBoss JIRA] Updated: (RF-10170) Improve Converter finding if EL expression is semi-resolvable

[Nick Belaevski (JIRA)]

     [ https://issues.jboss.org/browse/RF-10170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nick Belaevski updated RF-10170:
--------------------------------

         Assignee: Nick Belaevski  (was: Konstantin Mishin)
    Fix Version/s: 4.0.0.CR2
                       (was: Future_4.X)


> Improve Converter finding if EL expression is semi-resolvable
> -------------------------------------------------------------
>
>                 Key: RF-10170
>                 URL: https://issues.jboss.org/browse/RF-10170
>             Project: RichFaces
>          Issue Type: Enhancement
>      Security Level: Public(Everyone can see) 
>          Components: compatibility
>    Affects Versions: Future_4.X
>         Environment: RichFaces 4 svn rev. 20933
>            Reporter: Martin Kočí
>            Assignee: Nick Belaevski
>             Fix For: 4.0.0.CR2
>
>
> example (#{bean.propertyNull} resolves to null):
> <h:inputText value="#{bean.propertyNull.zeitangabe}" /> outputs a input field
> <r:calendar value="#{bean.propertyNull.zeitangabe}" /> throws value="#{bean.propertyNull.zeitangabe}": Target Unreachable, 'propertyNull' returned null
> Problem is in org.richfaces.component.util.SelectUtils.findConverter: method tries to locate a Converter even if informations for this are "uknown". 
> Simple solution can be:  find converter only for ValueExpression which leads to not null value, because if no value for "value" ValueExpression :), then no conversion getAsString is necessary (at least is is true if spec does not mandates conversion for null value).

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