protected SdkFileEntry generateModelHeaderFile()

in tools/code-generation/generator/src/main/java/com/amazonaws/util/awsclientgenerator/generators/cpp/JsonCppClientGenerator.java [47:89]
34 lines of code
17 McCabe index (conditional complexity)

    protected SdkFileEntry generateModelHeaderFile(ServiceModel serviceModel, Map.Entry<String, Shape> shapeEntry) throws Exception {

        Shape shape = shapeEntry.getValue();
        if (shape.isException() && !shape.isJsonModeledException())
            return null;

        if (shape.isResult() && shape.hasEventStreamMembers())
            return null;

        if (shape.isDocument())
            return null;

        //we only want to override json related stuff.
        if (shape.isRequest() || shape.isEnum() || shape.hasEventPayloadMembers() && shape.hasBlobMembers()) {
            return super.generateModelHeaderFile(serviceModel, shapeEntry);
        }

        if (shape.isStructure() && shape.isReferenced()) {
            Template template = null;
            VelocityContext context = createContext(serviceModel);

            if (shape.isResult()) {
                if (shape.hasStreamMembers()) {
                    template = velocityEngine.getTemplate("/com/amazonaws/util/awsclientgenerator/velocity/cpp/StreamResultHeader.vm", StandardCharsets.UTF_8.name());
                } else {
                    template = velocityEngine.getTemplate("/com/amazonaws/util/awsclientgenerator/velocity/cpp/json/JsonResultHeader.vm", StandardCharsets.UTF_8.name());
                }
            } else if (shape.isEventStream() && shape.isOutgoingEventStream()) {
                template = velocityEngine.getTemplate("/com/amazonaws/util/awsclientgenerator/velocity/cpp/json/EventStreamHeader.vm", StandardCharsets.UTF_8.name());
            } else if (shape.isStructure()) {
                template = velocityEngine.getTemplate("/com/amazonaws/util/awsclientgenerator/velocity/cpp/json/JsonSubObjectHeader.vm", StandardCharsets.UTF_8.name());
            }

            context.put("shape", shape);
            context.put("typeInfo", new CppShapeInformation(shape, serviceModel));
            context.put("CppViewHelper", CppViewHelper.class);

            String fileName = String.format("include/aws/%s/model/%s.h", serviceModel.getMetadata().getProjectName(),
                    shapeEntry.getKey());
            return makeFile(template, context, fileName, true);
        }
        return null;
    }