[seam-issues] [JBoss JIRA] Created: (JBSEAM-4608) Add ability to render to a specific view after an exception is thrown

[zzzz8 (JIRA)]

Add ability to render to a specific view after an exception is thrown
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                 Key: JBSEAM-4608
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-4608
             Project: Seam
          Issue Type: Feature Request
            Reporter: zzzz8


Seam currently supports the ability to redirect to a certain page (as specified in pages.xml) after an exception is thrown.  It would be helpful if Seam supports the ability to render to a certain page, too.  This is especially helpful for portals and portlets, where the ability to perform a redirect is unavailable.  Example:

<exception class="org.jboss.seam.framework.EntityNotFoundException">
	<render view-id="/error.xhtml">
		<message severity="warn">Record not found</message>
	</render>
</exception>

As a (hopefully temporary) workaround, I am currently using RenderNavigationHandler in my page actions to accomplish this.  Example:

RenderNavigationHandler navHandler = new RenderNavigationHandler(
							Expressions.instance().createValueExpression(
									"/error.xhtml", String.class), null, null,
							null);
					navHandler.navigate(FacesContext.getCurrentInstance());

This is quite ugly to do and gets even uglier if there are additional pages...

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