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Posted to dev@myfaces.apache.org by "Heath Borders-Wing (JIRA)" <in...@incubator.apache.org> on 2005/03/21 17:35:21 UTC
[jira] Commented: (MYFACES-141) accessing properties of an extended "List"
[ http://issues.apache.org/jira/browse/MYFACES-141?page=comments#action_61333 ]
Heath Borders-Wing commented on MYFACES-141:
--------------------------------------------
This is probably a spec issue and not an implementation issue.
> accessing properties of an extended "List"
> ------------------------------------------
>
> Key: MYFACES-141
> URL: http://issues.apache.org/jira/browse/MYFACES-141
> Project: MyFaces
> Type: Bug
> Versions: 1.0.9 beta
> Environment: JBoss 4.0.1sp1, my-faces-1.0.9
> Reporter: Joerg Flammiger
>
> If a class "MyList" extends the class "ArrayList" and the class "MyList" has various getter and setter methods, then it is not possible to access such properties in the jsp/jsf page. an example expression is: #{sampleBean.testList.testValue} . the expression resolver think "testValue" is an index; therefore, it tries to convert "testValue" to an integer, which will fail. In my opinion, "testValue" should refer to the implemented methods "getTestValue" and "setTestValue".
> You will get the following exception:
> 2005-03-21 15:58:12,312 ERROR [org.apache.myfaces.el.ValueBindingImpl] Cannot get value for expression '#{sampleBean.testList.testValue}'
> javax.faces.el.ReferenceSyntaxException: Cannot convert index to int for base mypackage.MyList and index maxItems
> at org.apache.myfaces.el.ELParserHelper.coerceToIntegerWrapper(ELParserHelper.java:418)
> at org.apache.myfaces.el.ELParserHelper.toIndex(ELParserHelper.java:440)
> at org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:541)
> at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145)
> at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:441)
> at javax.faces.component.UIOutput.getValue(UIOutput.java:75)
> at org.apache.myfaces.renderkit.RendererUtils.getStringValue(RendererUtils.java:293)
> at org.apache.myfaces.renderkit.html.HtmlTextRendererBase.renderInput(HtmlTextRendererBase.java:159)
> at org.apache.myfaces.renderkit.html.HtmlTextRendererBase.encodeEnd(HtmlTextRendererBase.java:77)
> at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:332)
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