public SchematronValidator(IList <SchematronContext> contexts)
{
if (!contexts.IsEmpty())
{
NMatrix.Schematron.Schema sch = new NMatrix.Schematron.Schema();
sch.Title = "CDA Validation Schema";
sch.NsManager = new XmlNamespaceManager(new XmlDocument().NameTable);
sch.NsManager.AddNamespace("cda", "urn:hl7-org:v3");
sch.NsManager.AddNamespace("voc", "http://www.lantanagroup.com/voc");
Phase phase = sch.CreatePhase("CDAValidation");
sch.Phases.Add(phase);
foreach (SchematronContext context in contexts)
{
Pattern pattern = phase.CreatePattern(context.Context);
Rule rule = pattern.CreateRule(context.Context);
rule.SetContext(sch.NsManager);
foreach (SchematronRule schematronRule in context.Rules)
{
try {
Assert assert = rule.CreateAssert(schematronRule.Test, schematronRule.Description);
assert.SetContext(sch.NsManager);
rule.Asserts.Add(assert);
} catch (XPathException e) {
LOG.Error("Failed to evaluate expression: " + schematronRule.Test);
LOG.Error(e.Message);
} catch (InvalidExpressionException e) {
LOG.Error("Failed to evaluate expression: " + schematronRule.Test);
LOG.Error(e.Message);
}
}
pattern.Rules.Add(rule);
sch.Patterns.Add(pattern);
phase.Patterns.Add(pattern);
}
validator = new NMatrix.Schematron.Validator();
validator.AddSchema(sch);
validator.Phase = phase.Id;
initiated = true;
}
}