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Prevent a NullPointerException from a null request, by making that test first.

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This commit is contained in:
jeb228 2011-02-07 17:47:22 +00:00
parent 2903d0c20d
commit a3345f4c53
1 changed files with 2 additions and 2 deletions
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4
webapp/src/edu/cornell/mannlib/vitro/webapp/web/TabWebUtil.java
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@ -170,12 +170,12 @@ public class TabWebUtil {
*/
public static Tab findStashedTab( String tabId, HttpServletRequest request)
throws JspException{
if( request == null )
throw new JspException("findStashedTab: request was null");
if( request.getAttribute(STASHED_KEY) == null )
throw new JspException("findStashedTab: called before stashTabsInRequest.");
if( tabId == null)
throw new JspException("findStashedTab: tabId was null");
if( request == null )
throw new JspException("findStashedTab: request was null");
Object obj = request.getAttribute("tab"+tabId);
if( obj == null )
throw new JspException("findStashedTab: tab"+tabId+" not found in vitro request");