protected SdkFileEntry generateModelSourceFile()

in tools/code-generation/generator/src/main/java/com/amazonaws/util/awsclientgenerator/generators/cpp/RestXmlCppClientGenerator.java [144:187]
38 lines of code
21 McCabe index (conditional complexity)

    protected SdkFileEntry generateModelSourceFile(ServiceModel serviceModel, Map.Entry<String, Shape> shapeEntry) {
        Shape shape = shapeEntry.getValue();
        if (shape.isException() && !shape.isXmlModeledException())
            return null;

        if (shape.isEnum()) {
            return super.generateModelSourceFile(serviceModel, shapeEntry);
        }

        if (shape.isStructure() && shape.isReferenced() &&
            !(shape.isEventStream() ||
                (shape.hasBlobMembers() && shape.hasEventPayloadMembers()) ||
                (shape.isEvent() && shape.getMembers().isEmpty() && !shape.getName().endsWith("InitialResponse")) ||
                (shape.isResult() && shape.hasEventStreamMembers()))) {
            Template template = null;
            VelocityContext context = createContext(serviceModel);
            context.put("operation", serviceModel.getOperationForRequestShapeName(shape.getName()));

            if (shape.isRequest() && shape.hasStreamMembers()) {
                template = velocityEngine.getTemplate("/com/amazonaws/util/awsclientgenerator/velocity/cpp/StreamRequestSource.vm", StandardCharsets.UTF_8.name());
            }
            else if (shape.isRequest()) {
                template = velocityEngine.getTemplate("/com/amazonaws/util/awsclientgenerator/velocity/cpp/xml/XmlRequestSource.vm", StandardCharsets.UTF_8.name());
            }
            else if (shape.isResult() && shape.hasStreamMembers()) {
                template = velocityEngine.getTemplate("/com/amazonaws/util/awsclientgenerator/velocity/cpp/StreamResultSource.vm", StandardCharsets.UTF_8.name());
            }
            else if (shape.isResult()) {
                template = velocityEngine.getTemplate("/com/amazonaws/util/awsclientgenerator/velocity/cpp/xml/rest/RestXmlResultSource.vm", StandardCharsets.UTF_8.name());
            } else {
                template = velocityEngine.getTemplate("/com/amazonaws/util/awsclientgenerator/velocity/cpp/xml/rest/RestXmlSubObjectSource.vm", StandardCharsets.UTF_8.name());
            }

            if(template == null) return null; //temporary;
            context.put("shape", shape);
            context.put("typeInfo", new CppShapeInformation(shape, serviceModel));
            context.put("CppViewHelper", CppViewHelper.class);

            String fileName = String.format("source/model/%s.cpp", shapeEntry.getKey());

            return makeFile(template, context, fileName, true);
        }
        return null;
    }