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https://issues.apache.org/jira/browse/COCOON3-6?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reinhard Poetz reassigned COCOON3-6:
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Assignee: Reinhard Poetz (was: Cocoon Developers Team)
> The org.apache.cocoon.pipeline.component.sax.XSLTTransformer can be optimized
> -----------------------------------------------------------------------------
>
> Key: COCOON3-6
> URL: https://issues.apache.org/jira/browse/COCOON3-6
> Project: Cocoon 3
> Issue Type: New Feature
> Components: cocoon-sax
> Affects Versions: 3.0.0-alpha-2
> Reporter: Simone Tripodi
> Assignee: Reinhard Poetz
> Priority: Minor
> Fix For: 3.0.0-alpha-2
>
> Attachments: OptimizedXSLT+xsltcTransformer.patch,
> XSLTTransformerOptimization.patch
>
>
> Every time the XSLTTransformer#setXMLConsumer method is called, the XSLT is
> parsed reading the URL source and used to create the
> javax.xml.transform.sax.TransformerHandler: to be more clear
> [...]
> XSLTTransformer xsltTransformer = new
> XSLTTransformer(getClass().getResource("myXSLT.xsl"));
> Pipeline pipeline1 = new NonCachingPipeline();
> pipeline1.addComponent(new StringGenerator("<x><y/></x>"));
> pipeline1.addComponent(xsltTransformer);
> pipeline1.addComponent(new XMLSerializer());
> pipeline1.setup(System.out);
> pipeline1.execute();
> Pipeline pipeline2 = new NonCachingPipeline();
> pipeline2.addComponent(new StringGenerator("<z><w/></z>"));
> pipeline2.addComponent(xsltTransformer); <========================== the URL
> pointed by getClass().getResource("myXSLT.xsl") will be parsed again!!!
> pipeline2.addComponent(new XMLSerializer());
> pipeline2.setup(System.out);
> pipeline2.execute();
> As a quick solution we can store the Template to build the transformer
> handler objects in a static hashmap, but in the future we should introduce
> stores.
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