Berin Loritsch a écrit :
>
> Carsten Ziegeler wrote:
> >
> > How would this new component detect if is an xml document
> > or an xsp page?
>
> On first access, it would catch the very first startElement()
> event. If it is not:
>
> // raw parameter may vary
> startElement("http://apache.org/xsp";, "page", "xsp:page", a);
>
> then execution happens as normal. If it is, it loads the XSP,
> caches the information that it is an XSP page, and fires the
> rest of the page through the IncludeXMLConsumer. All subsequent
> requests use the XSP page directly because we have that
> information cached.
>
> FileGenerator ProgramGenerator IncludeXMLConsumer
> ------------- ---------------- ------------------
> |
> +--| isXSP() |
> | +-------------------->|
> |<-| |
> |
> +--|
> | | startElement()
> | |
> | +--| isXSP() |
> | | +----------------->|
> | | | | |
> | | +-------------------------------------->|
> |<-+--| (yes) |
> | |
> | | (no)
> | |
> | +--------->startElement()
> |<-|
> |
>
<snip/>
What if there is no <xsp:page>, i.e. you have a clean page where all XSP
markup is inserted by logicsheets ?
IMO, having separate extensions for passive content (.xml files) and
active content (.xsp files) is a good thing. Too much magic kills the
confidence users have in the tool. I speak by experience, because we are
currently redesigning some of our logicsheets so they offer a lower
level of abstraction to their users : they were afraid to use features
that did too much work automagically.
In order to have a single transformation pipeline for both active and
passive sources, a SuffixSelector could do the job :
<map:match pattern="*.html">
<map:select type="suffix">
<!-- base name of the file to search for -->
<map:parameter name="base" value="{1}"/>
<!-- ordered list of suffixes to search for -->
<map:parameter name="suffixes" value="xsp, xml"/>
<map:when test="xsp">
<map:generate type="serverpages" src="{1}.xsp/>
</map:when>
<map:when test="xml">
<map:generate src="{1}.xml"/>
</map:when>
</map:select>
<map:transform ...
Using this, just change the file extension from xml to xsp to change it
from static to dynamic while keeping the same transformation process.
My .02 euro...
--
Sylvain Wallez
Anyware Technologies - http://www.anyware-tech.com
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