private static void serializeInternal()

in dubbo-common/src/main/java/org/apache/dubbo/common/beanutil/JavaBeanSerializeUtil.java [123:202]
78 lines of code
24 McCabe index (conditional complexity)

    private static void serializeInternal(
            JavaBeanDescriptor descriptor,
            Object obj,
            JavaBeanAccessor accessor,
            IdentityHashMap<Object, JavaBeanDescriptor> cache) {
        if (obj == null || descriptor == null) {
            return;
        }

        if (obj.getClass().isEnum()) {
            descriptor.setEnumNameProperty(((Enum<?>) obj).name());
        } else if (ReflectUtils.isPrimitive(obj.getClass())) {
            descriptor.setPrimitiveProperty(obj);
        } else if (Class.class.equals(obj.getClass())) {
            descriptor.setClassNameProperty(((Class<?>) obj).getName());
        } else if (obj.getClass().isArray()) {
            int len = Array.getLength(obj);
            for (int i = 0; i < len; i++) {
                Object item = Array.get(obj, i);
                if (item == null) {
                    descriptor.setProperty(i, null);
                } else {
                    JavaBeanDescriptor itemDescriptor = createDescriptorIfAbsent(item, accessor, cache);
                    descriptor.setProperty(i, itemDescriptor);
                }
            }
        } else if (obj instanceof Collection) {
            Collection collection = (Collection) obj;
            int index = 0;
            for (Object item : collection) {
                if (item == null) {
                    descriptor.setProperty(index++, null);
                } else {
                    JavaBeanDescriptor itemDescriptor = createDescriptorIfAbsent(item, accessor, cache);
                    descriptor.setProperty(index++, itemDescriptor);
                }
            }
        } else if (obj instanceof Map) {
            Map map = (Map) obj;
            map.forEach((key, value) -> {
                Object keyDescriptor = key == null ? null : createDescriptorIfAbsent(key, accessor, cache);
                Object valueDescriptor = value == null ? null : createDescriptorIfAbsent(value, accessor, cache);
                descriptor.setProperty(keyDescriptor, valueDescriptor);
            }); // ~ end of loop map
        } else {
            if (JavaBeanAccessor.isAccessByMethod(accessor)) {
                Map<String, Method> methods = ReflectUtils.getBeanPropertyReadMethods(obj.getClass());
                for (Map.Entry<String, Method> entry : methods.entrySet()) {
                    try {
                        Object value = entry.getValue().invoke(obj);
                        if (value == null) {
                            continue;
                        }
                        JavaBeanDescriptor valueDescriptor = createDescriptorIfAbsent(value, accessor, cache);
                        descriptor.setProperty(entry.getKey(), valueDescriptor);
                    } catch (Exception e) {
                        throw new RuntimeException(e.getMessage(), e);
                    }
                } // ~ end of loop method map
            } // ~ end of if (JavaBeanAccessor.isAccessByMethod(accessor))

            if (JavaBeanAccessor.isAccessByField(accessor)) {
                Map<String, Field> fields = ReflectUtils.getBeanPropertyFields(obj.getClass());
                for (Map.Entry<String, Field> entry : fields.entrySet()) {
                    if (!descriptor.containsProperty(entry.getKey())) {
                        try {
                            Object value = entry.getValue().get(obj);
                            if (value == null) {
                                continue;
                            }
                            JavaBeanDescriptor valueDescriptor = createDescriptorIfAbsent(value, accessor, cache);
                            descriptor.setProperty(entry.getKey(), valueDescriptor);
                        } catch (Exception e) {
                            throw new RuntimeException(e.getMessage(), e);
                        }
                    }
                } // ~ end of loop field map
            } // ~ end of if (JavaBeanAccessor.isAccessByField(accessor))
        } // ~ end of else
    } // ~ end of method serializeInternal