public T deserialize()

in lambda/src/main/java/cn/amazon/aws/rp/spapi/clients/ApiClient.java [706:754]
41 lines of code
13 McCabe index (conditional complexity)

    public <T> T deserialize(Response response, Type returnType) throws ApiException {
        if (response == null || returnType == null) {
            return null;
        }

        if ("byte[]".equals(returnType.toString())) {
            // Handle binary response (byte array).
            try {
                return (T) response.body().bytes();
            } catch (IOException e) {
                throw new ApiException(e);
            }
        } else if (returnType.equals(File.class)) {
            // Handle file downloading.
            return (T) downloadFileFromResponse(response);
        }

        String respBody;
        try {
            if (response.body() != null)
                respBody = response.body().string();
            else
                respBody = null;
        } catch (IOException e) {
            throw new ApiException(e);
        }

        if (respBody == null || "".equals(respBody)) {
            return null;
        }

        String contentType = response.headers().get("Content-Type");
        if (contentType == null) {
            // ensuring a default content type
            contentType = "application/json";
        }
        if (isJsonMime(contentType)) {
            return json.deserialize(respBody, returnType);
        } else if (returnType.equals(String.class)) {
            // Expecting string, return the raw response body.
            return (T) respBody;
        } else {
            throw new ApiException(
                    "Content type \"" + contentType + "\" is not supported for type: " + returnType,
                    response.code(),
                    response.headers().toMultimap(),
                    respBody);
        }
    }