private XStream newXStream()

in kie-dmn/kie-dmn-backend/src/main/java/org/kie/dmn/backend/marshalling/v1_1/xstream/XStreamMarshaller.java [203:362]
143 lines of code
2 McCabe index (conditional complexity)

    private XStream newXStream() {
        XStream xStream = XStreamUtils.createNonTrustingXStream(staxDriver, Definitions.class.getClassLoader(), DMNXStream::from);
        xStream.addPermission(new TypeHierarchyPermission(QName.class));
        xStream.addPermission(new TypeHierarchyPermission(KieDMNModelInstrumentedBase.class));
        
        xStream.alias("artifact", TArtifact.class);
        xStream.alias("definitions", TDefinitions.class);
        xStream.alias("inputData", TInputData.class);
        xStream.alias("decision", TDecision.class);
        xStream.alias("variable", TInformationItem.class);
        xStream.alias("informationRequirement", TInformationRequirement.class);
        xStream.alias("requiredInput", TDMNElementReference.class);
        xStream.alias("literalExpression", TLiteralExpression.class);
        
        // TODO will need to remove dups and find missing element not captured?
        xStream.alias("DMNElement", TDMNElement.class);
        xStream.alias("allowedValues", TUnaryTests.class);
        xStream.alias("artifact", TArtifact.class);
        xStream.alias("association", TAssociation.class);
        xStream.alias("authorityRequirement", TAuthorityRequirement.class);
        xStream.alias("authorityRequirement", TAuthorityRequirement.class);
        xStream.alias("authorityRequirement", TAuthorityRequirement.class);
        xStream.alias("binding", TBinding.class);
        xStream.alias("businessContextElement", TBusinessContextElement.class);
        xStream.alias("businessKnowledgeModel", TBusinessKnowledgeModel.class);
        xStream.alias("column", TInformationItem.class);
        xStream.alias("context", TContext.class);
        xStream.alias("contextEntry", TContextEntry.class);
        xStream.alias("decision", TDecision.class);
        xStream.alias("decisionMade", TDMNElementReference.class);
        xStream.alias("decisionMaker", TDMNElementReference.class);
        xStream.alias("decisionOwned", TDMNElementReference.class);
        xStream.alias("decisionOwner", TDMNElementReference.class);
        xStream.alias("decisionService", TDecisionService.class);
        xStream.alias("decisionTable", TDecisionTable.class);
        xStream.alias("defaultOutputEntry", TLiteralExpression.class);
        xStream.alias("definitions", TDefinitions.class);
        xStream.alias("drgElement", TDMNElementReference.class);
//        xStream.alias("drgElement", DRGElement.class ); ambiguity, also referring to top-level xsd element just under xsd root.
        xStream.alias("elementCollection", TElementCollection.class);
        xStream.alias("elementCollection", TElementCollection.class);
        xStream.alias("encapsulatedDecision", TDMNElementReference.class);
        xStream.alias("encapsulatedLogic", TFunctionDefinition.class);
        xStream.alias("expression", TExpression.class);
        xStream.alias("formalParameter", TInformationItem.class);
        xStream.alias("functionDefinition", TFunctionDefinition.class);
        xStream.alias("impactedPerformanceIndicator", TDMNElementReference.class);
        xStream.alias("impactingDecision", TDMNElementReference.class);
        xStream.alias("import", TImport.class);
        xStream.alias("import", TImport.class);
        xStream.alias("importedElement", String.class ); // TODO where?
        xStream.alias("importedValues", TImportedValues.class);
        xStream.alias("informationItem", TInformationItem.class);
        xStream.alias("informationRequirement", TInformationRequirement.class);
        xStream.alias("input", TInputClause.class);
        xStream.alias("inputData", TDMNElementReference.class);
        xStream.alias("inputData", TInputData.class);
        xStream.alias("inputDecision", TDMNElementReference.class);
        xStream.alias("inputEntry", TUnaryTests.class);
        xStream.alias("inputExpression", TLiteralExpression.class);
        xStream.alias("inputValues", TUnaryTests.class);
        xStream.alias("invocation", TInvocation.class);
        xStream.alias("itemComponent", TItemDefinition.class);
        xStream.alias("itemDefinition", TItemDefinition.class);
        xStream.alias("itemDefinition", TItemDefinition.class);
        xStream.alias("knowledgeRequirement", TKnowledgeRequirement.class);
        xStream.alias("knowledgeRequirement", TKnowledgeRequirement.class);
        xStream.alias("knowledgeSource", TKnowledgeSource.class);
        xStream.alias("literalExpression", TLiteralExpression.class);
        xStream.alias("namedElement", TNamedElement.class);
        xStream.alias("organizationUnit", TOrganizationUnit.class);
        xStream.alias("output", TOutputClause.class);
        xStream.alias("outputDecision", TDMNElementReference.class);
        xStream.alias("outputEntry", TLiteralExpression.class);
        xStream.alias("outputValues", TUnaryTests.class);
        xStream.alias("owner", TDMNElementReference.class);
        xStream.alias("parameter", TInformationItem.class);
        xStream.alias("performanceIndicator", TPerformanceIndicator.class);
        xStream.alias("relation", TRelation.class);
        xStream.alias("requiredAuthority", TDMNElementReference.class);
        xStream.alias("requiredDecision", TDMNElementReference.class);
        xStream.alias("requiredDecision", TDMNElementReference.class);
        xStream.alias("requiredInput", TDMNElementReference.class);
        xStream.alias("requiredInput", TDMNElementReference.class);
        xStream.alias("requiredKnowledge", TDMNElementReference.class);
        xStream.alias("rule", TDecisionRule.class);
        xStream.alias("sourceRef", TDMNElementReference.class);
        xStream.alias("supportedObjective", TDMNElementReference.class);
        xStream.alias("targetRef", TDMNElementReference.class);
        xStream.alias("textAnnotation", TTextAnnotation.class);
        xStream.alias("type", String.class ); // TODO where?
        xStream.alias("typeRef", QName.class );
        xStream.alias("usingProcess", TDMNElementReference.class);
        xStream.alias("usingTask", TDMNElementReference.class);
        xStream.alias("variable", TInformationItem.class);
        xStream.alias("variable", TInformationItem.class);
        xStream.alias("variable", TInformationItem.class);
        xStream.alias("variable", TInformationItem.class);
//        xStream.alias("allowedAnswers", xsd:string.class );
//        xStream.alias("description", xsd:string.class );
//        xStream.alias("question", xsd:string.class );
//        xStream.alias("text", xsd:string.class );
//        xStream.alias("text", xsd:string.class );
//        xStream.alias("text", xsd:string.class );
        xStream.alias("row", org.kie.dmn.model.v1_1.TList.class);
        xStream.alias("list", org.kie.dmn.model.v1_1.TList.class);
        xStream.alias("extensionElements", TDMNElement.TExtensionElements.class);

        // Manually imported TEXT = String
        xStream.alias( LiteralExpressionConverter.TEXT, String.class );
        xStream.alias( TextAnnotationConverter.TEXT, String.class );
        xStream.alias( UnaryTestsConverter.TEXT, String.class );
        xStream.alias( DecisionConverter.QUESTION, String.class );
        xStream.alias( DecisionConverter.ALLOWED_ANSWERS, String.class );
        xStream.alias( DMNElementConverter.DESCRIPTION, String.class );

        xStream.registerConverter(new AssociationConverter( xStream ) );
        xStream.registerConverter(new AuthorityRequirementConverter( xStream ) );
        xStream.registerConverter(new BindingConverter( xStream ) );
        xStream.registerConverter(new BusinessKnowledgeModelConverter( xStream ) );
        xStream.registerConverter(new ContextConverter( xStream ) );
        xStream.registerConverter(new ContextEntryConverter( xStream ) );
        xStream.registerConverter(new DecisionConverter( xStream ) );
        xStream.registerConverter(new DecisionRuleConverter( xStream ) );
        xStream.registerConverter(new DecisionServiceConverter(xStream));
        xStream.registerConverter(new DecisionTableConverter( xStream ) );
        xStream.registerConverter(new DefinitionsConverter( xStream ) );
        xStream.registerConverter(new DMNElementReferenceConverter( xStream ) );
        xStream.registerConverter(new FunctionDefinitionConverter( xStream ) );
        xStream.registerConverter(new ImportConverter( xStream ) );
        xStream.registerConverter(new ImportedValuesConverter( xStream ) );
        xStream.registerConverter(new InformationItemConverter( xStream ) );
        xStream.registerConverter(new InformationRequirementConverter( xStream ) );
        xStream.registerConverter(new InputClauseConverter( xStream ) );
        xStream.registerConverter(new InputDataConverter( xStream ) );
        xStream.registerConverter(new InvocationConverter( xStream ) );
        xStream.registerConverter(new ItemDefinitionConverter( xStream ) );
        xStream.registerConverter(new KnowledgeRequirementConverter( xStream ) );
        xStream.registerConverter(new KnowledgeSourceConverter( xStream ) );
        xStream.registerConverter(new LiteralExpressionConverter( xStream ) );
        xStream.registerConverter(new OrganizationUnitConverter( xStream ) );
        xStream.registerConverter(new OutputClauseConverter( xStream ) );
        xStream.registerConverter(new PerformanceIndicatorConverter( xStream ) );
        xStream.registerConverter(new RelationConverter( xStream ) );
        xStream.registerConverter(new TextAnnotationConverter( xStream ) );
        xStream.registerConverter(new UnaryTestsConverter( xStream ) );
        
        xStream.registerConverter(new QNameConverter());
        xStream.registerConverter(new DMNListConverter( xStream ) );
        xStream.registerConverter(new ElementCollectionConverter( xStream ) );
        xStream.registerConverter(new ExtensionElementsConverter( xStream, extensionRegisters ) );
        
        xStream.ignoreUnknownElements();

        for(DMNExtensionRegister extensionRegister : extensionRegisters) {
            extensionRegister.registerExtensionConverters(xStream);
        }

        return xStream;
    }