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From "Stefan Betermieux (JIRA)" <myfaces-...@incubator.apache.org>
Subject [jira] Created: (MYFACES-662) displayValueOnly property on HtmlSelectBooleanCheckbox throws ClassCastException during rendering
Date Tue, 04 Oct 2005 16:39:51 GMT
displayValueOnly property on HtmlSelectBooleanCheckbox throws ClassCastException during rendering
-------------------------------------------------------------------------------------------------

         Key: MYFACES-662
         URL: http://issues.apache.org/jira/browse/MYFACES-662
     Project: MyFaces
        Type: Bug
  Components: Tomahawk  
    Versions: 1.1.0, Nightly    
 Environment: tomcat 5.5.7, java 1.5, linux 2.6.13
    Reporter: Stefan Betermieux


When I create a HtmlSelectBooleanCheckbox and set displayValueOnly to true, an exception is
raised during the rendering phase. During encodeEnd() HtmlRendererUtils.renderDisplayValueOnlyForSelects()
is called.

The following snippet causes the problems:
        
if (uiComponent instanceof UISelectMany) {
  isSelectOne = false;
  selectItemList = RendererUtils.getSelectItemList((UISelectMany) uiComponent);
  converter = findUISelectManyConverterFailsafe(facesContext, uiComponent);
} else {
  isSelectOne = true;
  selectItemList = RendererUtils.getSelectItemList((UISelectOne) uiComponent);
  converter = findUIOutputConverterFailSafe(facesContext, uiComponent);
}

Since the HtmlSelectBooleanCheckbox is derived neither from UISelectMany nor from UISelectOne
but from UISelectBoolean, the cast to UISelectOne fails.

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