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https://issues.apache.org/jira/browse/XMLCOMMONS-73?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Glavassevich updated XMLCOMMONS-73:
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Fix Version/s: (was: XML Commons Resolver 1.2.0)
Affects Version/s: (was: 1.x)
XML Commons Resolver 1.2.0
> Find Catalogs using Service Provider Interface
> ----------------------------------------------
>
> Key: XMLCOMMONS-73
> URL: https://issues.apache.org/jira/browse/XMLCOMMONS-73
> Project: XmlCommons
> Issue Type: Improvement
> Components: XML Commons Resolver (resolver.jar)
> Affects Versions: XML Commons Resolver 1.2.0
> Environment: Operating System: All
> Platform: All
> Reporter: Martin von Gagern
> Assignee: Commons Developers Mailing List
> Priority: Minor
>
> Developing apps would be greatly simplified if you could simply add some JAR
> to the classpath, and a Catalog as generated by the default CatalogManager
> would find the catalog within that JAR as well as the documents it references.
> To achieve this, I believe a slightly modified version of the Service
> Provider Interface would be most suitable.
> http://java.sun.com/j2se/1.5.0/docs/guide/jar/jar.html#Service%20Provider
> describes that a file under META-INF/services/package.interface.Name should
> list qualified names of classes providing said interface.
> To work with XML catalogs, you would specify a class name, but instead the
> name of a resource. So I think that you should have a file called
> "META-INF/services/org.apache.xml.resolver.catalog" which would contain lines
> like "my/company/catalog.xml". That catalog could then be located as a
> resource, auto-appended to the list of catalogs and parsed along with the
> system catalogs.
> One could consider placing the catalog itself in the META-INF directory.
> That, however, would probably prevent it from being uniquely identified by
> its name alone, which might be useful if you want to deal with the catalog
> yourself, without using the full CatalogManager framework.
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