Java - Magento2 rest api product upload with image silently fails - java

I have a magento CE 2.1.2 storefront set up. I'd like to use Java to upload products to my store using the Magento REST API. I have managed to get 2 leg OAuth set up using Apache-commons-httpclient, and product upload actually works quite well. The problem comes when I try to upload an image with the product.
From the official catalogProductRepositoryV1 Magento docs, the json syntax is: (the important part being the "media_gallery_entries" bit)
{
"product": {
"id": 0,
"sku": "string",
"name": "string",
"attribute_set_id": 0,
"price": 0,
"status": 0,
"visibility": 0,
"type_id": "string",
"created_at": "string",
"updated_at": "string",
"weight": 0,
"extension_attributes": {
"bundle_product_options": [
{
"option_id": 0,
"title": "string",
"required": true,
"type": "string",
"position": 0,
"sku": "string",
"product_links": [
{
"id": "string",
"sku": "string",
"option_id": 0,
"qty": 0,
"position": 0,
"is_default": true,
"price": 0,
"price_type": 0,
"can_change_quantity": 0,
"extension_attributes": {}
}
],
"extension_attributes": {}
}
],
"downloadable_product_links": [
{
"id": 0,
"title": "string",
"sort_order": 0,
"is_shareable": 0,
"price": 0,
"number_of_downloads": 0,
"link_type": "string",
"link_file": "string",
"link_file_content": {
"file_data": "string",
"name": "string",
"extension_attributes": {}
},
"link_url": "string",
"sample_type": "string",
"sample_file": "string",
"sample_file_content": {
"file_data": "string",
"name": "string",
"extension_attributes": {}
},
"sample_url": "string",
"extension_attributes": {}
}
],
"downloadable_product_samples": [
{
"id": 0,
"title": "string",
"sort_order": 0,
"sample_type": "string",
"sample_file": "string",
"sample_file_content": {
"file_data": "string",
"name": "string",
"extension_attributes": {}
},
"sample_url": "string",
"extension_attributes": {}
}
],
"stock_item": {
"item_id": 0,
"product_id": 0,
"stock_id": 0,
"qty": 0,
"is_in_stock": true,
"is_qty_decimal": true,
"show_default_notification_message": true,
"use_config_min_qty": true,
"min_qty": 0,
"use_config_min_sale_qty": 0,
"min_sale_qty": 0,
"use_config_max_sale_qty": true,
"max_sale_qty": 0,
"use_config_backorders": true,
"backorders": 0,
"use_config_notify_stock_qty": true,
"notify_stock_qty": 0,
"use_config_qty_increments": true,
"qty_increments": 0,
"use_config_enable_qty_inc": true,
"enable_qty_increments": true,
"use_config_manage_stock": true,
"manage_stock": true,
"low_stock_date": "string",
"is_decimal_divided": true,
"stock_status_changed_auto": 0,
"extension_attributes": {}
},
"configurable_product_options": [
{
"id": 0,
"attribute_id": "string",
"label": "string",
"position": 0,
"is_use_default": true,
"values": [
{
"value_index": 0,
"extension_attributes": {}
}
],
"extension_attributes": {},
"product_id": 0
}
],
"configurable_product_links": [
0
]
},
"product_links": [
{
"sku": "string",
"link_type": "string",
"linked_product_sku": "string",
"linked_product_type": "string",
"position": 0,
"extension_attributes": {
"qty": 0
}
}
],
"options": [
{
"product_sku": "string",
"option_id": 0,
"title": "string",
"type": "string",
"sort_order": 0,
"is_require": true,
"price": 0,
"price_type": "string",
"sku": "string",
"file_extension": "string",
"max_characters": 0,
"image_size_x": 0,
"image_size_y": 0,
"values": [
{
"title": "string",
"sort_order": 0,
"price": 0,
"price_type": "string",
"sku": "string",
"option_type_id": 0
}
],
"extension_attributes": {}
}
],
"media_gallery_entries": [
{
"id": 0,
"media_type": "string",
"label": "string",
"position": 0,
"disabled": true,
"types": [
"string"
],
"file": "string",
"content": {
"base64_encoded_data": "string",
"type": "string",
"name": "string"
},
"extension_attributes": {
"video_content": {
"media_type": "string",
"video_provider": "string",
"video_url": "string",
"video_title": "string",
"video_description": "string",
"video_metadata": "string"
}
}
}
],
"tier_prices": [
{
"customer_group_id": 0,
"qty": 0,
"value": 0,
"extension_attributes": {}
}
],
"custom_attributes": [
{
"attribute_code": "string",
"value": "string"
}
]
},
"saveOptions": true
}
The methods I'm running:
public void uploadItem(ItemType item) throws UploadException {
try {
HttpPost postRequest = new HttpPost("http://my.magento.storefront/index.php/rest/V1/products");
postRequest.addHeader("Content-Type", "application/json");
postRequest.addHeader("Authorization", String.format("Bearer %s", authToken));
String jsonItem = itemToJson(item);
System.out.println(jsonItem);
postRequest.setEntity(new StringEntity(jsonItem));
HttpResponse postResponse = httpClient.execute(postRequest);
System.out.println();
System.out.println(EntityUtils.toString(postResponse.getEntity()));
} catch (ParseException | IOException | JSONException e) {
e.printStackTrace();
throw new UploadException(e);
}
}
private String imagesToJson(ItemType item) throws IOException {
String imageUrl = "http://my.image.jpeg"; //pulled from item in production
String encodedImage = null;
URL url = new URL(imageUrl);
try(InputStream in = new BufferedInputStream(url.openStream());
ByteArrayOutputStream out = new ByteArrayOutputStream()) {
byte[] buf = new byte[512];
for (int count = in.read(buf); count >= 0; count = in.read(buf)) {
out.write(buf, 0, count);
}
byte[] response = out.toByteArray(); //sane, I tried saving to a file and checking
encodedImage = Base64.getEncoder().encodeToString(response);
}
String picName = item.getItemID() + ".jpg";
return new JSONArray().put(
new JSONObject()
.put("position", 0)
.put("media_type", "image")
.put("disabled", "false")
.put("types", new JSONArray()
.put("image")
.put("small_image")
.put("thumbnail"))
.put("label", picName)
.put("content", new JSONObject()
.put("base64_encoded_data", encodedImage)
.put("type", "image/jpeg")
.put("name", picName))
).toString();
}
private String itemToJson(ItemType item) throws JSONException, IOException {
return new JSONObject().put("saveOptions", "true").put("product",
new JSONObject()
.put("sku", item.getItemID())
.put("name", item.getTitle())
.put("attribute_set_id", 4)
.put("price", item.getSellingStatus().getCurrentPrice().getValue())
.put("status", 0)
.put("visibility", 0)
.put("type_id", "simple")
.put("weight", item.getShippingDetails().getCalculatedShippingRate().getWeightMajor().getValue())
.put("media_gallery_entries", imagesToJson(item)))
.toString();
}
Using uploadItem(ItemType), the product is uploaded to the catalog. However, there is no image on the store, and I'm given "media_gallery_entries": [] in the response, with no further debugging help!
I think I've implemented everything correctly, so I'm unsure what to do other than SFTP and manually manage the media folder; which just sounds ugly.
Let me know if anyone needs any extra info, or omitted methods/fields.


I solved this by using Gson instead of org.json. I believe the issue was me erroneously using string literals where the server expected otherwise (namely, the boolean values).

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"from": {
"name": "Misty Bylsma Royal",
"id": "592607110"
},
"message": "I love how the beautiful lady pile is in the same album as the bull pics. Nice.",
"can_remove": false,
"created_time": "2009-03-03T22:37:18+0000",
"like_count": 0,
"user_likes": false
},
{
"id": "513270939441_3451",
"from": {
"name": "Nate Ellender",
"id": "68004222"
},
"message": "Only because they are both things that i only had a few pictures of.",
"can_remove": false,
"created_time": "2009-03-04T02:46:11+0000",
"like_count": 0,
"user_likes": false
}
],
"paging": {
"cursors": {
"after": "Mg==",
"before": "MQ=="
}
}
}
},
{
"id": "511605661671",
"from": {
"name": "Nate Ellender",
"id": "68004222"
},
"name": "What the...?",
"description": "What's wrong with the rain? It's flaky and piles up on stuff... Did the plants leak something?\n",
"location": "Outside",
"link": "https://www.facebook.com/album.php?fbid=511605661671&id=68004222&aid=2026641",
"cover_photo": "511605681631",
"count": 54,
"type": "normal",
"created_time": "2008-12-11T11:59:27+0000",
"updated_time": "2008-12-13T18:06:00+0000",
"can_upload": false
},
{
"id": "511565886381",
"from": {
"name": "Nate Ellender",
"id": "68004222"
},
"name": "The Christmas Tree Farm",
"description": "An Ellender Tradition",
"location": "Grant",
"link": "https://www.facebook.com/album.php?fbid=511565886381&id=68004222&aid=2026590",
"cover_photo": "511566170811",
"count": 19,
"type": "normal",
"created_time": "2008-12-09T02:38:54+0000",
"updated_time": "2008-12-09T02:55:21+0000",
"can_upload": false
}
],
"paging": {
"cursors": {
"after": "NTExNTY1ODg2Mzgx",
"before": "NjY0NDYyMTU2MDMx"
}
}
}
Also, here is where the json data is returned (response). I will need to start parsing the data under response.
Session.NewPermissionsRequest np = new Session.NewPermissionsRequest(this, "friends_photos");
Session.getActiveSession().requestNewReadPermissions(np);
Request rq = new Request(Session.getActiveSession(), userID + "/albums", null, HttpMethod.GET, new Request.Callback() {
#Override
public void onCompleted(Response response) {
}
});
rq.executeAsync();
Any example would be helpful. I would like to study the code to get a better understanding on parsing json data.

You can get a good example of how to do here: http://www.androidhive.info/2012/01/android-json-parsing-tutorial/
Basically you have to use JSONObject and JSONArray, that you can get from getJSONObject() and getJSONArray().
Once you're on the good spot, use getJSONString() to get the desired value.
In your case it will be something like this:
JSONObject json = new JSONObject(response)
JSONArray jarray = json.getJSONArray("data");
for(int i = 0; i < jarray.length(); i++){
JSONObject oneAlbum = jarray.getJSONObject(i);
//get your values
oneAlbum.getJSONString("name"); // this will return you the album's name.
}
Hope this will help you.

Try this
Session.NewPermissionsRequest np = new Session.NewPermissionsRequest(this, "friends_photos");
Session.getActiveSession().requestNewReadPermissions(np);
Request rq = new Request(Session.getActiveSession(), userID + "/albums", null, HttpMethod.GET, new Request.Callback() {
#Override
public void onCompleted(Response response) {
JSONArray albumArr = response.getGraphObject().getInnerJSONObject().getJSONArray("data");
for (int i = 0; i < albumArr.length(); i++) {
JSONObject item = albumArr.getJSONObject(i);
System.out.println("id : " + item.getString("id"));
System.out.println("fromName : " + item.getJSONObject("from").getString("name"));
System.out.println("fromid : " + item.getJSONObject("from").getString("id"));
System.out.println("link : " + item.getString("link"));
System.out.println("cover_photo : " + item.getString("cover_photo"));
System.out.println("count : " + item.getString("count"));
System.out.println("created_time : " + item.getString("created_time"));
System.out.println("updated_time : " + item.getString("updated_time"));
System.out.println("can_upload : " + item.getString("can_upload"));
}
}
});
rq.executeAsync();

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