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Posted to solr-dev@lucene.apache.org by "Bertrand Delacretaz (JIRA)" <ji...@apache.org> on 2006/10/16 11:59:38 UTC
[jira] Updated: (SOLR-49) PATCH: XSLTServletFilter
[ http://issues.apache.org/jira/browse/SOLR-49?page=all ]
Bertrand Delacretaz updated SOLR-49:
------------------------------------
Attachment: solr-XSLTResponseWriter-20061016.tar.gz
Here's the latest incarnation, using a more Solrish way of initializing the response writer.
The solr-XSLTResponseWriter-20061016.tar.gz attachment replaces all the previous patches.
I have added an init(NamedList args) method to the QueryResponseWriter (solr-49.patch in the attached file), which means that the solrconfig.xml part has changed:
<!--
XSLT response writer (SOLR-49)
Changes to XSLT transforms are taken into account every xsltCacheLifetimeSeconds at most.
-->
<queryResponseWriter
name="xslt"
class="org.apache.solr.request.XSLTResponseWriter"
>
<int name="xsltCacheLifetimeSeconds">5</int>
</queryResponseWriter>
Apart from that, the patch works as indicated in my previous comment.
> PATCH: XSLTServletFilter
> ------------------------
>
> Key: SOLR-49
> URL: http://issues.apache.org/jira/browse/SOLR-49
> Project: Solr
> Issue Type: New Feature
> Components: search
> Environment: Tested on macosx 10.4.7, JDK 1.5.0_06
> Reporter: Bertrand Delacretaz
> Priority: Minor
> Attachments: solr-XSLTResponseWriter-20060922.tar.gz, solr-XSLTResponseWriter-20061016.tar.gz, solr-XSLTResponseWriter-files.tar.gz, xslt-filter-files.tar.gz
>
>
> Patch that implements server-side XSLT transforms of query results.
> The filter is activated by using select/html instead of select/ to run queries, and optionally adding a transform parameter to specify the XSLT transform to use, for example:
> http://localhost:8983/solr/select/html?q=usage&transform=my.xsl
> In which case my.xsl should be found in solr/conf/xslt/ with the example configuration. The default transform (solr/conf/xslt/query-to-html.xsl) outputs a simplistic HTML format.
> Performance is suboptimal, as the filter reparses the XML output generated by Solr. Modifying the XMLWriter to output to a ContentHandler would be more efficient, but I didn't have time to go that far.
> The TransformerProvider trivially caches the last Transformer used, could be improved using an LRU cache of several transformers, I haven't checked if Solr's infrastructure contains such an animal already.
> The patch is all new files, except for adding this in web.xml before the first <servlet>:
> <filter>
> <filter-name>xslt</filter-name>
> <filter-class>org.apache.solr.xslt.XSLTServletFilter</filter-class>
> </filter>
> <!-- apply the XSLT filter when select/html is used to make queries -->
> <filter-mapping>
> <filter-name>xslt</filter-name>
> <url-pattern>/select/html/*</url-pattern>
> </filter-mapping>
> I've left the client-side XSLT stuff (stylesheet parameter) as is for the moment.
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