[richfaces-issues] [JBoss JIRA] (RF-12661) rich:tooltip causes NPE with null value

[Raimundas Maknys (JIRA)]

    [ https://issues.jboss.org/browse/RF-12661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12741784#comment-12741784 ] 

Raimundas Maknys commented on RF-12661:
---------------------------------------

sorry but I don't have time to spare for that
                
> rich:tooltip causes NPE with null value
> ---------------------------------------
>
>                 Key: RF-12661
>                 URL: https://issues.jboss.org/browse/RF-12661
>             Project: RichFaces
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: component-output
>    Affects Versions: 4.2.2.Final
>            Reporter: Raimundas Maknys
>            Priority: Minor
>             Fix For: 5-Tracking
>
>
> rich:tooltip with null value causes NullPointerException:
> {code}
> Caused by: java.lang.NullPointerException
>         at org.richfaces.renderkit.html.TooltipRenderer.encodeContentBegin(TooltipRenderer.java:135)
>         at org.richfaces.renderkit.html.TooltipRenderer.doEncodeBegin(TooltipRenderer.java:127)
>         at org.richfaces.renderkit.RendererBase.encodeBegin(RendererBase.java:115)
>         at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:585)
>         at javax.faces.component.UIComponentBase.encodeAll(UIComponentBase.java:515)
>         at org.richfaces.renderkit.RendererBase.renderChildren(RendererBase.java:276)
> ...........
> {code}
> Proposed solution:
> {code:title=org.richfaces.renderkit.html.TooltipRenderer|borderStyle=solid}
> 	130    private void encodeContentBegin(ResponseWriter writer, FacesContext context, AbstractTooltip tooltip) throws IOException {
> 	131        writer.startElement(getMarkupElement(tooltip), tooltip);
> 	132        writer.writeAttribute(ID_ATTRIBUTE, tooltip.getClientId(context) + ":content", null);
> 	133        writer.writeAttribute(CLASS_ATTRIBUTE, "rf-tt-cnt", null);
> 	134        if (tooltip.getChildCount() == 0) {
> -	135            writer.write(tooltip.getValue().toString());
> +	135            writer.write(tooltip.getValue() != null ? tooltip.getValue().toString() : "");
> 	136        }
> 	137    }
> {code}

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