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Date: Fri, 21 May 2010 09:19:52 -0400 (EDT)
From: "Willem Jiang (JIRA)" <jira@apache.org>
To: camel-dev@activemq.apache.org
Subject: [jira] Commented: (CAMEL-1537) Predicate for validation
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    [ https://issues.apache.org/activemq/browse/CAMEL-1537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=59501#action_59501 ] 

Willem Jiang commented on CAMEL-1537:
-------------------------------------

The Camel EL is powerful, I committed a patch which tests the spring regex Validate.
{code}
<camelContext id="camel" xmlns="http://camel.apache.org/schema/spring">
        <route>
            <from uri="direct:start"/>
            <validate>
                <simple>${bodyAs(java.lang.String)} regex '^\d{2}\.\d{2}\.\d{4}$'</simple>            	
            </validate>
            <to uri="mock:result"/>
        </route>
 </camelContext>
{code}

> 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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