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Error generating static Data Objects from XSD [message #780761]

Thu, 19 January 2012 10:12

Nazzareno Sileno

Messages: 4
Registered: January 2012

Junior Member

Hi,
I am trying to generate SDO from the StyledLayerDescriptor.xsd schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd
but following the Eclipse Link Example: wiki.eclipse.org/EclipseLink/Examples/SDO/Compiler
I obtain the following stack trace error: pastebin.com/KappdUb3

I have no idea how to solve this problem... Can you help me?

Thanks in advance!

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Re: Error generating static Data Objects from XSD [message #781261 is a reply to message #780761]

Fri, 20 January 2012 21:53

Denise Smith

Messages: 11
Registered: July 2009

Junior Member

Hi

StyledLayerDescriptor.xsd has an import to the schema filter.xsd which has the following include <xsd:include schemaLocation="expr.xsd"/>

There is an error trying to resolve expr.xsd since it's not a complete URL that can be found.

If you use the SDOClassGenerator programatically you can specify a SchemaResolver to handle this. The org.eclipse.persistence.sdo.helper.DefaultSchemaResolver might be enough for your needs otherwise you can extend it or implement the SchemaResolver interface if need to do more advanced resolving.

With the DefaultSchemaResolver if an absolute url is encountered it will be processed but if anything is not a complete url ie:"expr.xsd" you can set the baseSchemaLocation to be prepended to those urls. Here's an example of how to do that:

    
    SDOClassGenerator gen = new SDOClassGenerator();                  

    FileReader reader = new FileReader(new File("C:/StyledLayerDescriptor.xsd"));

    DefaultSchemaResolver sr = new DefaultSchemaResolver();
    sr.setBaseSchemaLocation(stringOfLocationYouWantToPrepend);
    gen.generate(reader, "C:/sdo", sr);

Hope this helps
Denise

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