Re: WS-Notification(wsn2005 component): MessageContent Filter is not working

[ObjectOrange <br...@softechnics.com>]

Hello,

I don't think the XPath is correct: boolean(enc://event[@eventid="15"])

Try: boolean(//enc:event[@eventid="15"])


ilyas_asg wrote:
> 
> Hello,
> I am looking into using wsn2005 engine and interested in using
> MessageContent Filter - filtering based on Message content using Xpath
> expressions.
> 
> It does not seem to work as specified in WS-Notification document.
> 
> Two observations:
> 
> (1) according to my reading of the WSN standard, both TopicExpression and
> MessageContent filters are optional and not depend on each other.
> But the wsn2005 implementation throws a fault if TopicExpression is not
> provided in Subscribe request.
> 
> (2) when I specify both TopicExpression with Simple topic Dialect and
> MessageContent filter, Subscribe request is accepted but the
> MessageContent filter is ignored when Notify message is sent.
> 
> Below are  the copies of SOAP messages:
> 
> <!------------------------------------------->
> <env:Envelope
>     xmlns:env="http://www.w3.org/2003/05/soap-envelope" 
>     xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2" 
>     xmlns:wsa="http://www.w3.org/2005/08/addressing"> 
>   <env:Header />
>   <env:Body>
>     <wsnt:Subscribe
>       xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2"
>       xmlns:wsa="http://www.w3.org/2005/08/addressing"
>       xmlns:enc="http://www.enc.com">
>       <wsnt:ConsumerReference>
>         <wsa:Address>
>           http://localhost:8090/ENCWebService/services/ENC?http.soap=true
>         </wsa:Address>
>       </wsnt:ConsumerReference>
>       <wsnt:Filter>
>         <wsnt:TopicExpression
>            
> Dialect="http://docs.oasis-open.org/wsn/t-1/TopicExpression/Simple">
>           enc:encTopic1
>         </wsnt:TopicExpression>
> <wsnt:MessageContent
> Dialect="http://www.w3.org/TR/1999/REC-xpath-19991116">
> boolean(enc://event[@eventid="15"])
> </wsnt:MessageContent>
>       </wsnt:Filter>
>     </wsnt:Subscribe>
>   </env:Body>
> </env:Envelope>
> 
> <!------------------------------------------->
>   <env:Envelope
>     xmlns:env="http://www.w3.org/2003/05/soap-envelope" 
>     xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2" 
>     xmlns:wsa="http://www.w3.org/2005/08/addressing"> 
>   <env:Header />
>   <env:Body>
> <wsnt:Notify
>       xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2"
>       xmlns:wsa="http://www.w3.org/2005/08/addressing"
>       xmlns:enc="http://www.enc.com">
> <wsnt:NotificationMessage>
>        <wsnt:Topic
>             
> Dialect="http://docs.oasis-open.org/wsn/t-1/TopicExpression/Simple">
>           enc:encTopic1
>        </wsnt:Topic>
>  <wsnt:Message>
>   <enc:event eventid="16" />
>  </wsnt:Message>
> </wsnt:NotificationMessage>
> </wsnt:Notify>
>   </env:Body>
> </env:Envelope>
> <!------------------------------------------->
> 
> 
> Please advise or comment.
> 
> 
> 
> 

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