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This class transforms a request of Cocoon2 format into DBPrism format. DBPrism requires
a request that implements the interface javax.servlet.http.HttpServletRequest
Also supports an special parameter with Cocoon2's sitemap syntax. This special parameter is
Copy-Request-Argument, when it is equal to true means
that the parameter passed throw an http GET or POST method from the browser will be merged
with Cocoon2's sitemap parameters.
The limitation of this behaviour is for http parameter of type multivalued. In that case only
the first position of multivalued arguments is merged with Cocoon's arguments.
Example:
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<map:match pattern="xmlj/*/*">
<map:generate type="dbprism" src="/xmlj/{2}">
<map:parameter name="Copy-Request-Arguments" value="true"/>
<map:parameter name="Cache-Control" value="External"/>
<map:parameter name="format" value="{1}"/>
</map:generate>
<map:serialize/>
</map:match>
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In the example an url like this http://server:port/dbprism/xmlj/html/demo.show?table=emp
will call to the stored procedure (src) demo.show using the DAD xmlj,
passing the arguments table=emp extracted from the url and
format=html composed using sitemap's syntax.
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Cache-Control argument is not passed to the stored procedure because is
internally used by DBPrism for controling the cache coherence using
External Cache Invalidator Server
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| If no sitemap parameter are defined Cocoon Request Wrapper will use HTTP parameter
as is without any modifications, then it will work with multivaluaded parameters |
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