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https://issues.apache.org/activemq/browse/CAMEL-1537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=59495#action_59495
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Willem Jiang commented on CAMEL-1537:
-------------------------------------

Hi ,

The change of Claus made just let the validate take the expression which can be 
a predicate, and it make the ValidateDefinition easy to understand.
Now I have question about the supporting the define the regex predicate in XML, 
I don't find a way to do that with simple expression tag.
Do we have plan to support it ?

Willem


> Predicate for validation 
> -------------------------
>
>                 Key: CAMEL-1537
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-1537
>             Project: Apache Camel
>          Issue Type: New Feature
>          Components: camel-core
>    Affects Versions: 2.0-M1
>            Reporter: Claus Ibsen
>            Assignee: Christian Mueller
>            Priority: Minor
>             Fix For: 2.4.0
>
>         Attachments: CAMEL-1537.patch
>
>
> The current validator is a component and its a bit clumsy as it throws an 
> exception if validation error.
> So if we have a nice Predicate for it, it can be like a xpath predicate or 
> the likes.
> [17:58]  <jstrachan> http://camel.apache.org/validation.html
> [17:58]  <ulhasb> jstrachan: thanks for the quick responses
> [17:59]  <cibsen> jstrachan we should maybe have a predicate for schema 
> validation
> [17:59]  <cibsen> then you can route it a bit more nice without try .. catch
> [18:00]  * fbolton has quit ("Leaving.")
> [18:03]  * gertv has quit (Client closed connection)
> [18:05]  <jstrachan> cibsen: yeah
> [18:05]  <jstrachan> cibsen: maybe a kinda predicate language using the other 
> validators? filter().validate(theValidationEndpointUri).to("blah")

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