On Tue, Feb 5, 2013 at 12:43 PM, Mauro Bartolomeoli <
mauro.bartolome...@geo-solutions.it> wrote:
> I have two options:
> * simplest one: SchemaFactory looks in classpath for schemas.properties
> files containing uri -> localpath bindings used for preloading and caching
> schemas. The content of schema.properties would be similar to this one:
>
> http://www.w3.org/2001/xml.xsd=xml.xsd
>
> * more extensible one: a new interface SchemaLoader could be introduced.
> to delegate schema loading; the interface will have two methods:
> - boolean canLoad(URL url)
> - Schema loadSchema(URL url)
> SchemaLoader implementation will be looked up with the SPI method
> during startup and used to load schemas when needed.
>
Either option works for me, both are pluggable in some sense, the second is
more general in that it would allow building a Schema
out of non local classpath sources, but it's also more work for the
implementor as they have to also build the Schema.
Another option could be to have a simpler interface:
SchemaLoader { URL replaceSchemaLocation(URL location) }
That would either return null if it cannot manage that schema, or a
separate URL if it has
a better source (such as classpath or local file system).
Cheers
Andrea
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