protected SdkFileEntry generateModelSourceFile()

in tools/code-generation/generator/src/main/java/com/amazonaws/util/awsclientgenerator/generators/cpp/JsonCppClientGenerator.java [92:151]
47 lines of code
20 McCabe index (conditional complexity)

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

        // if the shape is an event and its content type is "blob" then we don't need a source file, because the whole
        // class is implemented in the header file. See EventHeader.vm
        if (shape.isEvent() && "blob".equals(shape.getEventPayloadType()))
            return null;

        if (shape.isException() && !shape.isJsonModeledException())
            return null;

        if (shape.isEventStream())
            return null;

        if (shape.isDocument())
            return null;

        if (shape.isEnum()) {
            // event-stream input shapes do their serialization via the encoder; So skip generating code for those.
            return super.generateModelSourceFile(serviceModel, shapeEntry);
        }

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

            if (shape.isRequest() && (shape.hasStreamMembers() || shape.hasEventStreamMembers())) {
                if (shape.hasEventStreamMembers()) {
                    HashMap<String, String> headersMap = new HashMap<>(10);
                    headersMap.put("Aws::Http::CONTENT_TYPE_HEADER", "Aws::AMZN_EVENTSTREAM_CONTENT_TYPE");
                    context.put("requestSpecificHeaders", headersMap);
                }
                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/json/JsonRequestSource.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/json/JsonResultSource.vm", StandardCharsets.UTF_8.name());
            } else {
                template = velocityEngine.getTemplate("/com/amazonaws/util/awsclientgenerator/velocity/cpp/json/JsonSubObjectSource.vm", StandardCharsets.UTF_8.name());
            }

            context.put("operation", serviceModel.getOperationForRequestShapeName(shape.getName()));
            context.put("shape", shape);
            context.put("typeInfo", new CppShapeInformation(shape, serviceModel));
            context.put("CppViewHelper", CppViewHelper.class);
            context.put("presignerTemplate", "/com/amazonaws/util/awsclientgenerator/velocity/cpp/json/JsonDumpBodyToUrl.vm");

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

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