private String generateModelApi()

in karavan-generator/src/main/java/org/apache/camel/karavan/generator/CamelDefinitionYamlStepGenerator.java [93:166]
68 lines of code
23 McCabe index (conditional complexity)

    private String generateModelApi(String classFullName, JsonObject obj) {
        String className = classSimple(classFullName);
        String stepName = getStepNameForClass(className);

        String s1 = getStringToRequired(obj, className);
        AtomicReference<String> s3 = new AtomicReference<>("");

        Map<String, JsonObject> properties = getClassProperties(stepName, obj);

        Map<String, String> attrs = new HashMap<>();
        properties.keySet().stream().sorted(getComparator(stepName)).forEach(aName -> {
            if (aName.equals("uri")) {
                s3.set("\n        def = ComponentApi.parseElementUri(def);");
            }
            JsonObject aValue = properties.get(aName);
            boolean attributeIsArray = isAttributeRefArray(aValue);
            String attributeArrayClass = getAttributeArrayClass(aName, aValue);

            if (attributeIsArray && aName.equals("steps") && ! className.equals("ChoiceDefinition") && ! className.equals("SwitchDefinition") && ! className.equals("KameletDefinition")) {
                attrs.put(aName, "        def.steps = CamelDefinitionYamlStep.readSteps(element?.steps);\n");
            } else if (attributeIsArray && !aName.equals("steps") && !attributeArrayClass.equals("string") && !getDeprecatedClasses().contains(attributeArrayClass)&& !Objects.equals(aName, "allowableValues")) { // exception for allowableValues
                String format = Arrays.asList("intercept", "interceptFrom", "interceptSendToEndpoint", "onCompletion", "onException").contains(aName)
                        ? "        def.%1$s = element && element?.%1$s ? element?.%1$s.map((x:any) => CamelDefinitionYamlStep.read%2$s(x.%1$s)) :[]; \n"
                        : "        def.%1$s = element && element?.%1$s ? element?.%1$s.map((x:any) => CamelDefinitionYamlStep.read%2$s(x)) :[]; \n";

                String code = String.format(format, aName, attributeArrayClass);
                attrs.put(aName, code);
            } else if (isAttributeRef(aValue) && getAttributeClass(aValue).equals("ExpressionDefinition")) { // Expressions implicits
                String code = String.format(
                        "        if (element?.%1$s !== undefined) { \n" +
                                "            def.%1$s = CamelDefinitionYamlStep.read%2$s(element.%1$s); \n" +
                                "        } else {\n" +
                                "            const languageName: string | undefined = Object.keys(element).filter(key => CamelMetadataApi.hasLanguage(key))[0] || undefined;\n" +
                                "            if (languageName){\n" +
                                "                const exp:any = {};\n" +
                                "                exp[languageName] = element[languageName]\n" +
                                "                def.%1$s = CamelDefinitionYamlStep.readExpressionDefinition(exp);\n" +
                                "                delete (def as any)[languageName];\n" +
                                "            }\n" +
                                "        }\n"
                        , aName, getAttributeClass(aValue));
                attrs.put(aName, code);
            } else if (isAttributeRef(aValue)
                    && !getAttributeClass(aValue).equals("SagaActionUriDefinition") // SagaActionUriDefinition is exception
                    && !getAttributeClass(aValue).equals("ToDefinition") // exception for ToDefinition (in REST Methods)
                    && !getAttributeClass(aValue).equals("ToDynamicDefinition") // exception for ToDynamicDefinition (in REST Methods)
                    && !getDeprecatedClasses().contains(getAttributeClass(aValue)) // exception for deprecated classes
            ) {
                String attributeClass = getAttributeClass(aValue);
                var excludeProperty  = excludeProperty(stepName, aName, attributeClass);
                if (!excludeProperty) {
                    String code = String.format(
                            "        if (element?.%1$s !== undefined) { \n" +
                                    "            if (Array.isArray(element.%1$s)) { \n" +
                                    "               def.%1$s = CamelDefinitionYamlStep.read%2$s(element.%1$s[0]); \n" +
                                    "            } else { \n" +
                                    "               def.%1$s = CamelDefinitionYamlStep.read%2$s(element.%1$s); \n" +
                                    "            } \n" +
                                    "        } \n"
                            , aName, getAttributeClass(aValue));
                    attrs.put(aName, code);
                }
            } else  if ("YAMLDataFormat".equals(className) && "constructor".equals(aName)) {
                String yamlConstructor =
                        "        if (element.constructor !== undefined) {\n" +
                        "            def._constructor = element.constructor;\n" +
                        "            delete (def as any).constructor;\n" +
                        "        }";
                attrs.put(aName, yamlConstructor);
            }
        });

        return String.format(readFileText(modelTemplate), className, s1, s3, attrs.values().stream().collect(Collectors.joining("")));
    }