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Code Block
languagejava
themeMidnight
titleXML Parsing Example
linenumberstrue
collapsetrue
		SchemaContext schemaContext = ... (see previous snippets)
        final Module module = schemaContext.findModules("ultraconfig-interfaces").iterator().next();
        QName qName = QName.create(module.getQNameModule(),"interfaces");
        final Optional<DataSchemaNode> node = module.findDataChildByName(qName);
        //module.findDataChildByName(qName);
        System.out.println("Present:" + node.isPresent());
        if (node.isPresent()) {
            final InputStream resourceAsStream = classLoaderClassLoader.getSystemClassLoader().getResourceAsStream("example2data.xml");
            final XMLStreamReader reader = UntrustedXML.createXMLStreamReader(resourceAsStream);
            final NormalizedNodeResult result = new NormalizedNodeResult();
            final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
            final XmlParserStream xmlParser = XmlParserStream.create(streamWriter, schemaContext, node.get() );
            xmlParser.parse(reader);
            final NormalizedNode<?, ?> transformedInput = result.getResult();
        }

...

  • The XML Parser is found to do basic data type checks including range checks and (regex) pattern validation. If the dat input doesn't conform those a clear exception detailing the problem is thrown
  • Features such as 'mandatory' and 'unique' are to be validated
  • More advanced features such as 'must', 'when', 'choice' etc have not yet been tested

The tabel table in the sections above hasĀ  a column with the XML validation findings.

JSON Parsing

Code Block
languagejava
themeMidnight
titleJSON Parsing Example
linenumberstrue
collapsetrue
		SchemaContext schemaContext = ... (see previous snippets)
        JSONCodecFactory jsonCodecFactory = JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02.getShared(schemaContext);
        final NormalizedNodeResult result = new NormalizedNodeResult();
        final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
        final JsonParserStream jsonParser = JsonParserStream.create(streamWriter, jsonCodecFactory);
        final InputStream resourceAsStream = ClassLoader.getSystemClassLoader().getResourceAsStream("example2data.json");
        final JsonReader jsonReader = new JsonReader(new InputStreamReader(resourceAsStream));
        jsonParser.parse(jsonReader);
        final NormalizedNode<?, ?> transformedInput = result.getResult();

TBD