[richfaces-issues] [JBoss JIRA] Resolved: (RF-976) rich:column width property throws pointless exceptions

[Anton Belevich (JIRA)]

     [ http://jira.jboss.com/jira/browse/RF-976?page=all ]

Anton Belevich resolved RF-976.
-------------------------------

    Resolution: Done

> rich:column width property throws pointless exceptions
> ------------------------------------------------------
>
>                 Key: RF-976
>                 URL: http://jira.jboss.com/jira/browse/RF-976
>             Project: RichFaces
>          Issue Type: Bug
>    Affects Versions: 3.1.0
>            Reporter: David Delbecq
>         Assigned To: Anton Belevich
>             Fix For: 3.1.1, 3.2.0
>
>
> Using width in rich:column for scrollabledatatable can lead to exception if "width" is badly formulated:
>     <rich:scrollableDataTable value="...">
> 			<rich:column sortExpression="#{item.level}" width="100" >
> Leads to
> 1832387 [http-8080-Processor4] FATAL jsp.error  - Jsp error occured
> java.lang.StringIndexOutOfBoundsException: String index out of range: -1
> 	at java.lang.String.substring(String.java:1444)
> 	at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer$3.renderContent(ScrollableDataTableBaseRenderer.java:111)
> 	at org.richfaces.renderkit.html.ExtendedColumnVisitor.visit(ExtendedColumnVisitor.java:31)
> 	at org.richfaces.renderkit.html.ColumnWalker.iterateOverColumns(ColumnWalker.java:42)
> 	at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer.renderHeaders(ScrollableDataTableBaseRenderer.java:475)
> 	at org.richfaces.renderkit.html.ScrollableDataTableRenderer.doEncodeEnd(ScrollableDataTableRenderer.java:303)
> 	at org.richfaces.renderkit.html.ScrollableDataTableRenderer.doEncodeEnd(ScrollableDataTableRenderer.java:552)
> 	at org.ajax4jsf.renderkit.RendererBase.encodeEnd(RendererBase.java:135)
> 	at org.richfaces.renderkit.html.ScrollableDataTableBaseRenderer.encodeEnd(ScrollableDataTableBaseRenderer.java:731)
> 	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:688)
> The faulty lines are:
> 110			String widthPx = (String)column.getAttributes().get("width");
> 111			int width = Integer.parseInt(widthPx.substring(0, widthPx.indexOf("px")));
> The doc, while stating the width is expressed in pixels, does not state you have to add a "px" extension to your number. Either the doc must clarify this, either code should not assume px is present and in case can not convert to integer, throw an appriopriate Faces exception.

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