// Create document processors
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
documentProcessors.addArtifactProcessor(new CompositeDocumentProcessor(staxProcessor, inputFactory));
documentProcessors.addArtifactProcessor(new ComponentTypeDocumentProcessor(staxProcessor, inputFactory));
documentProcessors.addArtifactProcessor(new ConstrainingTypeDocumentProcessor(staxProcessor, inputFactory));
scaDefnDocProcessor = new SCADefinitionsDocumentProcessor(staxProcessors, staxProcessor, inputFactory, policyFactory);
documentProcessors.addArtifactProcessor(scaDefnDocProcessor);
URL url = getClass().getResource("CalculatorComponent.constrainingType");
URI uri = URI.create("CalculatorComponent.constrainingType");
ConstrainingType constrainingType = (ConstrainingType)documentProcessor.read(null, uri, url);