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From Stefano Mazzocchi <stef...@apache.org>
Subject Re: Allow redirects inside error handling
Date Wed, 30 Apr 2003 15:40:33 GMT
on 4/30/03 1:08 AM Björn Lütkemeier wrote:

> Hi,
> 
> 
>>-----Original Message-----
>>From: Nicola Ken Barozzi [mailto:nicolaken@apache.org]
>>Sent: Tuesday, April 29, 2003 6:38 PM
>>To: cocoon-dev@xml.apache.org
>>Subject: Re: Allow redirects inside error handling
>>
>>
>>
>>Björn Lütkemeier wrote, On 29/04/2003 16.42:
>>...
>>
>>>Sorry, but I did not find any convincing argument in the discussion why
>>>redirects should be impossible.
>>
>>Tell me why you need them, maybe I can understand.
>>
>>--
>>Nicola Ken Barozzi                   nicolaken@apache.org
>>             - verba volant, scripta manent -
>>    (discussions get forgotten, just code remains)
>>---------------------------------------------------------------------
>>
> 
> 
> It's quite simple to explain. We have a customer, that has to do the
> following within his web application:
> 
> <map:pipeline>
> 	<map:match pattern="showForm">
> 		<!-- show a web form -->
> 	</map:match>
> 	<map:handle-errors>
> 		<map:select type="exception">
> 			<map:when test="x">
> 				<map:redirect-to uri="cocoon:/x-error"/>
> 			</map:when>
> 			<map:when test="y">
> 				<map:redirect-to uri="cocoon:/y-error"/>
> 			</map:when>
> 		</map:select>
> 	</map:handle-errors>
> </map:pipeline>
> 
> <map:pipeline>
> 	<map:match pattern="formSubmitted">
> 		<!-- process form values -->
> 	</map:match>
> 	<map:handle-errors>
> 		<map:select type="exception">
> 			<map:when test="validationFailed">
> 				<map:redirect-to uri="cocoon:/showForm"/> <!-- redisplay form -->
> 			</map:when>
> 			<map:when test="x">
> 				<map:redirect-to uri="cocoon:/x-error"/>
> 			</map:when>
> 			<map:when test="z">
> 				<map:redirect-to uri="cocoon:/z-error"/>
> 			</map:when>
> 		</map:select>
> 	</map:handle-errors>
> </map:pipeline>
> 
> <map:pipeline>
> 	<map:match pattern="x-error">
> 		...
> 	</map:match>
> 	<map:match pattern="y-error">
> 		...
> 	</map:match>
> 	<map:match pattern="z-error">
> 		...
> 	</map:match>
> </map:pipeline>

What about map:resources?

-- 
Stefano.



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