Examples with Serializer com.bluenimble.platform.remote.Serializer used on opensource projects

Example 1 with Serializer

use of com.bluenimble.platform.remote.Serializer in project serverless by bluenimble.

the class HttpRemote method request.

private boolean request(ApiVerb verb, JsonObject spec, Callback callback, ApiStreamSource... attachments) {
    JsonObject rdata = Json.getObject(spec, Spec.Data);
    if (!Json.isNullOrEmpty(featureSpec)) {
        JsonObject master = featureSpec.duplicate();
        Json.resolve(master, ECompiler, new VariableResolver() {

            private static final long serialVersionUID = 1L;

            @Override
            public Object resolve(String namespace, String... property) {
                Object v = Json.find(rdata, property);
                Json.remove(rdata, property);
                return v;
            }
        });
        spec = master.merge(spec);
    }
    String endpoint = Json.getString(spec, Spec.Endpoint);
    String path = Json.getString(spec, Spec.Path);
    if (!Lang.isNullOrEmpty(path)) {
        endpoint += path;
    }
    Serializer.Name serName = null;
    try {
        serName = Serializer.Name.valueOf(Json.getString(spec, Spec.Serializer, Serializer.Name.text.name()).toLowerCase());
    } catch (Exception ex) {
        // ignore
        serName = Serializer.Name.text;
    }
    Serializer serializer = Serializers.get(serName);
    Request request = null;
    Response response = null;
    try {
        // contentType
        String contentType = null;
        // resole and add headers
        JsonObject headers = Json.getObject(spec, Spec.Headers);
        if (!Json.isNullOrEmpty(headers)) {
            Json.resolve(headers, ECompiler, new VariableResolver() {

                private static final long serialVersionUID = 1L;

                @Override
                public Object resolve(String namespace, String... property) {
                    return Json.find(rdata, property);
                }
            });
            Iterator<String> hnames = headers.keys();
            while (hnames.hasNext()) {
                String hn = hnames.next();
                String hv = Json.getString(headers, hn);
                if (HttpHeaders.CONTENT_TYPE.toUpperCase().equals(hn.toUpperCase())) {
                    contentType = hv;
                }
            }
        }
        if (Lang.isNullOrEmpty(contentType)) {
            contentType = ContentTypes.FormUrlEncoded;
        }
        contentType = contentType.trim();
        MediaType mediaType = MediaTypes.get(contentType);
        RequestBody body = null;
        List<RequestParameter> parameters = null;
        if (attachments != null && attachments.length > 0 && !Json.isNullOrEmpty(rdata)) {
            // multipart body
            MultipartBody.Builder builder = new MultipartBody.Builder();
            Iterator<String> pnames = rdata.keys();
            while (pnames.hasNext()) {
                String pn = pnames.next();
                builder.addFormDataPart(pn, String.valueOf(rdata.get(pn)));
            }
            for (ApiStreamSource ss : attachments) {
                try {
                    builder.addFormDataPart(ss.name(), ss.name(), RequestBody.create(MediaType.parse(contentType), IOUtils.toByteArray(ss.stream())));
                } catch (Exception ex) {
                    callback.onError(Error.Other, ex.getMessage());
                    return false;
                }
            }
        } else if (contentType.startsWith(ContentTypes.Json)) {
            body = RequestBody.create(mediaType, rdata == null ? JsonObject.EMPTY_OBJECT : rdata.toString());
        } else {
            if (!Json.isNullOrEmpty(rdata)) {
                // for bnb signature only
                if (Signers.Bnb.equals(Json.find(spec, Spec.Sign, Spec.SignProtocol))) {
                    parameters = new ArrayList<RequestParameter>();
                }
                if (verb.equals(ApiVerb.POST) || verb.equals(ApiVerb.PUT) || verb.equals(ApiVerb.PATCH)) {
                    FormBody.Builder fb = new FormBody.Builder();
                    Iterator<String> pnames = rdata.keys();
                    while (pnames.hasNext()) {
                        String pn = pnames.next();
                        fb.add(pn, String.valueOf(rdata.get(pn)));
                        if (parameters != null) {
                            parameters.add(new RequestParameter(pn, rdata.get(pn)));
                        }
                    }
                    body = fb.build();
                } else if (verb.equals(ApiVerb.GET)) {
                    HttpUrl.Builder urlBuilder = HttpUrl.parse(endpoint).newBuilder();
                    Iterator<String> pnames = rdata.keys();
                    while (pnames.hasNext()) {
                        String pn = pnames.next();
                        urlBuilder.addQueryParameter(pn, String.valueOf(rdata.get(pn)));
                        if (parameters != null) {
                            parameters.add(new RequestParameter(pn, rdata.get(pn)));
                        }
                    }
                    endpoint = urlBuilder.build().toString();
                }
            }
        }
        // create the request builder
        Request.Builder rBuilder = new Request.Builder().url(endpoint);
        rBuilder.header(HttpHeaders.USER_AGENT, DefaultUserAgent);
        // add headers
        if (!Json.isNullOrEmpty(headers)) {
            Iterator<String> hnames = headers.keys();
            while (hnames.hasNext()) {
                String hn = hnames.next();
                String hv = Json.getString(headers, hn);
                rBuilder.header(hn, hv);
            }
        }
        // create request
        switch(verb) {
            case GET:
                rBuilder.get();
                break;
            case POST:
                rBuilder.post(body);
                break;
            case DELETE:
                rBuilder.delete();
                break;
            case PUT:
                rBuilder.put(body);
                break;
            case PATCH:
                rBuilder.patch(body);
                break;
            case HEAD:
                rBuilder.head();
                break;
            default:
                break;
        }
        // build then sign
        request = sign(rBuilder.build(), spec, parameters);
        response = http.newCall(request).execute();
        if (response.code() > Json.getInteger(spec, Spec.SuccessCode, 202)) {
            callback.onError(response.code(), response.body().string());
            return false;
        } else {
            callback.onSuccess(response.code(), serializer.serialize(response.body().byteStream()));
            return true;
        }
    } catch (UnknownHostException uhex) {
        callback.onError(Error.UnknownHost, "Endpoint " + endpoint + " can't be resolved. Check your internet connection and make sure the endpoint is correct");
        return false;
    } catch (SocketTimeoutException stoex) {
        callback.onError(Error.Timeout, "Endpoint " + endpoint + " was found but " + stoex.getMessage());
        return false;
    } catch (Exception ex) {
        callback.onError(Error.Other, Lang.toError(ex));
        return false;
    } finally {
        if (response != null) {
            response.close();
        }
    }
}