How to check accessibility in Workspace before ModifyRepositoryFileBQY?

How can I test, if a report is accessable in the Workspace before I execute the methode ModifyRepositoryFileBQY of an Embedded Bowser?
thanks
Jens
Edited by: user10547262 on 01.07.2009 04:50

Where is the check for null? I don't see anything?
EL is a "null-safe" language, which means that even if a null is encountered there won't be any exception, the expression will either evaluate to false or empty or 0 depending on what you're using it for.
"To check for null explicitly, use either the empty operator, or compare the expression to null using == or the is keyword, like this:
<c:if test="${a.b is null}">
<c:if test="${empty a.b}">
<c:if test="${a.b == null}">
Quoted from: http://java.sun.com/developer/EJTechTips/2004/tt0126.html

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How to check accessibility in Workspace before ModifyRepositoryFileBQY?

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