Problem in understanding the Match statements And the Variables used in the Pipelines

["Paladugu, Suresh" <su...@logicacmg.com>]

Hi all,


 Could any one Please  tell me 

1)How  these match statements(a,b,c) are working.(i,e when the request comes how will the matching done)

2)In the third match statement there are  variables {1} and {2} ,I understood that {1} refers to publication-id and  {2} refers to parameter.But from where does the values for publication-id and parameter comes,is it  from the requested url ?

3)And what is the scope of the these variables({1},{2}) .(Bcos iam seeing same  variables in the in the next pipeline of the same Xmap)

  (a) <map:match pattern="lenya/**">

   (b)<map:match pattern="lenya-page/*/*/**">


   <!-- uri-parameter/{publication-id}/{parameter}/{area}/{uri} -->
  (c) <map:match pattern="uri-parameter/*/*/*/**">
        <map:mount uri-prefix="uri-parameter/{1}/{2}/" src="lenya/pubs/{1}/parameter-{2}.xmap" check-reload="true" reload-method="synchron"/>
      </map:match>



Cheers

Suresh...



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Re: Problem in understanding the Match statements And the Variables used in the Pipelines

[Felix Röthenbacher <fe...@wyona.com>]

Hi Suresh

Paladugu, Suresh wrote:
> Hi all,
> 
> 
>  Could any one Please  tell me 
> 
> 1)How  these match statements(a,b,c) are working.(i,e when the request comes how will the matching done)
> 
> 2)In the third match statement there are  variables {1} and {2} ,I understood that {1} refers to publication-id and  {2} refers to parameter.But from where does the values for publication-id and parameter comes,is it  from the requested url ?

Right, the url that matches the matcher is split and the values are
assigned to the variables {x}. Note that if you use sitemap elements
like <map:select>, <map:action> it is necessary to give the variable
in a hierarchical manner like {../1} as these sitemap elements put
the variables further up the stack.

> 
> 3)And what is the scope of the these variables({1},{2}) .(Bcos iam seeing same  variables in the in the next pipeline of the same Xmap)

The scope is per <map:match> ...</map:match statement, further you have
consider the stack-like structure of certain sitemap statements (see
above).

> 
>   (a) <map:match pattern="lenya/**">

Will match everything that starts with 'lenya/'.

> 
>    (b)<map:match pattern="lenya-page/*/*/**">

This matcher is an internal matcher, i.e. it's called
from the sitemap itself.

> 
> 
>    <!-- uri-parameter/{publication-id}/{parameter}/{area}/{uri} -->
>   (c) <map:match pattern="uri-parameter/*/*/*/**">
>         <map:mount uri-prefix="uri-parameter/{1}/{2}/" src="lenya/pubs/{1}/parameter-{2}.xmap" check-reload="true" reload-method="synchron"/>
>       </map:match>
> 

Here it get a little bit complicated as an additional sitemap is
mounted whereas the prefix is removed before passing the
request url to the mounted sitemap.

hth

- Felix

> 
> 
> Cheers
> 
> Suresh...
> 

-- 
Felix Röthenbacher                  felix.roethenbacher@wyona.com
Wyona Inc.  -   Open Source Content Management   -   Apache Lenya
http://www.wyona.com                      http://lenya.apache.org

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