Re: Extractor framework

[Daniel Florey]

Hi Christophe,
I've added some lines to call PropertyExtractorTrigger on create as well.
So you have to check out the cvs HEAD. Remind that some things have 
changed in Domain.xml (Extractors are now defined globally).
Regards,
Daniel

Christophe wrote:

Hi Daniel,

I'm using the following listener :
<listener 
classname="org.apache.slide.extractor.PropertyExtractorTrigger">
           <configuration>
             <extractor 
classname="org.apache.slide.extractor.SimpleXmlExtractor" 
uri="/files/articles/test.xml">
               <configuration>
                 <instruction property="title" 
xpath="/article/title/text()" />
                 <instruction property="summary" 
xpath="/article/summary/text()" />
               </configuration>
             </extractor>
           </configuration>

</listener>      
It is correctly called on content.store(...) but not on the 
content.create(...).
Is it possible to activate this listener on create ?

Thanks,
Christophe
      Daniel Florey wrote:

Hi,
I just checked in some classes for the extractor thing.
I've implemented a very simple demo extractor that extracts data from 
xml documents by doing some configurable xpath queries. If you want 
to test this you have to enable the extractor trigger.
This is done in the Domain.xml file in the event section:

  <listener classname="org.apache.slide.extractor.ExtractorTrigger">
      <configuration>
         <extractor 
classname="org.apache.slide.extractor.SimpleXmlExtractor" 
uri="/files/articles/test.xml">
            <configuration>
               <instruction property="title" 
xpath="/article/title/text()" />
               <instruction property="summary" 
xpath="/article/summary/text()" />
            </configuration>
         </extractor>
      </configuration>
   </listener>

In this example only the document with uri = /files/articles/test.xml 
will be processed. If the content would be:

<?xml version="1.0" encoding="UTF-8" ?>
<article>
    <title>Title of article</title>
    <summary>The summary of this article</summary>
</article>
there are some new properties (title, summary) available containing 
the text.
If some error occurs, the file cannot be uploaded. This is done by 
throwing an extractor exception.
Any comments are welcome.
Regards,
Daniel

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