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Encode JSON with custom property names

I want to make a POST request to the Hubspot API (https://developers.hubspot.com/docs/methods/contacts/create_or_update) and I need the JSON to match this format:
{ "properties": [ { "property": "firstname", "value": "HubSpot" } ] }
Instead im getting this:
{ "properties": [ { "Key": "email", "Value": "alphatest#baconcompany.com" }, { "Key": "firstname", "Value": "testfirstname" } ] }
Instead of "property" and "value" , my code generates "Key" and "Value" , how can I change my JSON to match the right format?
Here is how I generate that dictionary:
public class HubspotContact
{
public Dictionary<string, string> properties { get; set; }
}
private static readonly HttpClient client = new HttpClient();
class DictionaryAsArrayResolver : DefaultContractResolver
{
protected override JsonContract CreateContract(Type objectType)
{
if (objectType.GetInterfaces().Any(i => i == typeof(IDictionary) ||
(i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IDictionary<,>))))
{
return base.CreateArrayContract(objectType);
}
return base.CreateContract(objectType);
}
}
And this is how I generate the JSON:
HubspotContact foo = new HubspotContact();
foo.properties = new Dictionary<string, string>();
foo.properties.Add("email", "alphatest#baconcompany.com");
foo.properties.Add("firstname", "firstname");
JsonSerializerSettings settings = new JsonSerializerSettings();
settings.Formatting = Formatting.Indented;
settings.ContractResolver = new DictionaryAsArrayResolver();
string json = JsonConvert.SerializeObject(foo, settings);
Finally this is how I send my request:
var httpWebRequest =(HttpWebRequest)WebRequest.Create("https://api.hubapi.com/contacts/v1/contact/createOrUpdate/email/alphatest#baconcompany.com/?hapikey=myapikey");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream())){
streamWriter.Write(json);
streamWriter.Flush();
streamWriter.Close();
}
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{
var result = streamReader.ReadToEnd();
Console.WriteLine(result.ToString());
}
Right now with the request as is I get this error:
System.Net.WebException: 'The remote server returned an error: (400) Bad Request.'

Change HubspotContact to this:
class PropertyValue
{
public string Property { get;set;}
public string Value { get;set;}
}
class HubspotContact
{
public List<PropertyValue> Properties {get;set;}
}
It should serialize to a proper format and it does not need custom serializer.

C#'s Json serializer does not support custom naming of properties coming from any generic data structure...
Try replacing the Dictionary with a custom class containing the properties "property" and "value" instead.

UWP Json to C# conversion

I want to serialize some json data I get from the web to classes and use the data, so I went to http://json2csharp.com/ and turned the json as below
json: [{"line_descr":"\u03a0\u0395\u0399\u03a1\u0391\u0399\u0391\u03a3 -
\u0392\u039f\u03a5\u039b\u0391","line_descr_eng":"PEIRAIAS - VOYLA"}]
To this class:
public class RootObject
{
public string line_descr { get; set; }
public string line_descr_eng { get; set; }
}
This is my code:
class LineName
{
public async static Task<RootObject> GetLineName(int linecode)
{
var http = new HttpClient();
var response = await http.GetAsync("http://telematics.oasa.gr/api/?act=getLineName&p1=962");
var result = await response.Content.ReadAsStringAsync();
var serializer = new DataContractJsonSerializer(typeof(RootObject));
var ms = new MemoryStream(Encoding.UTF8.GetBytes(result));
var data = (RootObject)serializer.ReadObject(ms);
return data;
}
}
[DataContract]
public class RootObject
{
[DataMember]
public string line_descr { get; set; }
[DataMember]
public string line_descr_eng { get; set; }
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
RootObject myLine = await LineName.GetLineName(92);
ResultTextBlock.Text = myLine.line_descr_eng;
}
So when I try to get the data and display it in my textblock I get the error: line_descr_eng is null.
Can someone point where the fault is ? since the line_descr_eng should be
PEIRAIAS - VOYLA but mine is null and after a lot of searching I cant find where the fault is.

Your json is an array, not an object, and you should deserialize it into an array.
public async static Task<RootObject[]> GetLineName(int linecode)
{
var http = new HttpClient();
var response = await http.GetAsync("http://telematics.oasa.gr/api/?act=getLineName&p1=962");
var result = await response.Content.ReadAsStringAsync();
var serializer = new DataContractJsonSerializer(typeof(RootObject[]));
var ms = new MemoryStream(Encoding.UTF8.GetBytes(result));
var data = (RootObject[])serializer.ReadObject(ms);
return data;
}
//...
var myLines = await LineName.GetLineName(92);
var myLine = myLines.FirstOrDefault();
Also you don't need a memory stream, you can read stream from the http response
var result = await response.Content.ReadAsStreamAsync();

You simple can use the JavaScriptSerializer class instead of DataContractJsonSerializer like this:
Replace:
var serializer = new DataContractJsonSerializer(typeof(RootObject));
var ms = new MemoryStream(Encoding.UTF8.GetBytes(result));
var data = (RootObject)serializer.ReadObject(ms);
with this:
var ser = new JavaScriptSerializer();
var test = ser.Deserialize<List<RootObject>>(json);
If you cannot find JavaScriptSerializer, then you have to do the simple following steps:
Right click References and do Add Reference, then from Assemblies->Framework select System.Web.Extensions.
Now you should be able to add the following to your class file:
using System.Web.Script.Serialization;
Cited from: https://stackoverflow.com/a/15391388/5056173

Convert Json Singleton into List Phone 81 UAP

I am using http client to return a json response from a webservice. The example I am following here is from code project tutorial. However its example only returns into a var, it was created for the method to be called on screen I am changing it to be called from within a class. I have removed the webservice for security.
My Main question is how would I change this function to return a List of cinemas instead of the var variable I have a class created as such. I tried changing var into List but i noticed json.net handles this list so I need return the var as a known object instead I think?.
public class City
{
public string id { get; set; }
public string timing_title { get; set; }
}
public class Citys
{
public List<City> city { get; set; }
}
I just don't know what to do to convert this so it returns a list of citys for me to use in function.
This is a list of example json data returned.
{"city":[{"id":"5521","timing_title":"Lahore"},{"id":"5517","timing_title":"Karachi"},{"id":"5538","timing_title":"Islamabad"},{"id":"5535","timing_title":"Rawalpindi"},{"id":"5518","timing_title":"Hyderabad"},{"id":"5512","timing_title":"Faisalabad"},{"id":"8028","timing_title":"Gujranwala"},{"id":"8027","timing_title":"Gujrat"}]}
public async void GetCinemasList()
{
try
{
using (HttpClient client = new HttpClient())
{
client.BaseAddress = new Uri("webserviceurl");
var url = "index.php/webservice/upcoming_movie";
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
HttpResponseMessage response = await client.GetAsync(url);
if (response.IsSuccessStatusCode)
{
var data = response.Content.ReadAsStringAsync();
var cityData = JsonConvert.DeserializeObject<City>(data.Result.ToString());
}
}
}
catch (Exception ex)
{
// MessageBox.Show("Some Error Occured");
}
}

You have a string holding a JSON value.
You can parse and iterate through JSON values like this:
var data = "{\"city\":[{\"id\":\"5521\",\"timing_title\":\"Lahore\"},{\"id\":\"5517\",\"timing_title\":\"Karachi\"},{\"id\":\"5538\",\"timing_title\":\"Islamabad\"},{\"id\":\"5535\",\"timing_title\":\"Rawalpindi\"},{\"id\":\"5518\",\"timing_title\":\"Hyderabad\"},{\"id\":\"5512\",\"timing_title\":\"Faisalabad\"},{\"id\":\"8028\",\"timing_title\":\"Gujranwala\"},{\"id\":\"8027\",\"timing_title\":\"Gujrat\"}]}";
JsonObject rootObject;
if (JsonObject.TryParse(data, out rootObject))
{
JsonArray cityArray = rootObject.GetNamedArray("city");
foreach (var jsonValue in cityArray)
{
JsonObject cityObject = jsonValue.GetObject();
Debug.WriteLine(cityObject.GetNamedString("timing_title"));
}
}
else
{
// Invalid JSON data.
}
Output:
Lahore
Karachi
Islamabad
Rawalpindi
Hyderabad
Faisalabad
Gujranwala
Gujrat

Can't access custom class properties when returning object

I have this code which retrieves Json values from a Api link and enters them in a list. In this list there are Ids, all these ids are checked if exist in another API link.
private void button1_Click(object sender, EventArgs e)
{
var spidyApi_searchIdByName_result = api_Handler.GetApi(spidyApi_searchIdByName);
var Gw2Api_isItemIdinListing_result = api_Handler.GetApi(Gw2Api_allListings + spidyApi_searchIdByName_result.???); // can't access object property
}
This is the GetApi method:
public object GetApi(string url)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
try
{
WebResponse response = request.GetResponse();
using (Stream responseStream = response.GetResponseStream())
{
StreamReader reader = new StreamReader(responseStream, Encoding.UTF8);
var jsonReader = new JsonTextReader(reader);
var serializer = new JsonSerializer();
return serializer.Deserialize<RootObject>(jsonReader);
}
}
catch (WebException)
{
return Newtonsoft.Json.JsonConvert.DeserializeObject<A>("{\"text\":\"no such id\"}");
}
}
This is the RootObject to which the GetApi() method deserializes:
public class RootObject
{
public int id { get; set; }
// ...
}
However, I can't access the returned object's properties when returning an object from GetApi(). How can I access those?

You have two problems.
First, you're returning object from your method, so you can't access any members that object doesn't have. That's why you should return a more specialized type like I already advised, so in this case:
public RootObject GetApi(string url)
{
// ...
return serializer.Deserialize<RootObject>(jsonReader);
}
However, you want this method to be able to do more. You want to return two types from it and also add error handling.
Generics (see T) could help here, where you specifiy the type when calling the method:
public T GetObjectFromApi<T>(string url)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
try
{
WebResponse response = request.GetResponse();
using (Stream responseStream = response.GetResponseStream())
{
StreamReader reader = new StreamReader(responseStream, Encoding.UTF8);
var jsonReader = new JsonTextReader(reader);
var serializer = new JsonSerializer();
return serializer.Deserialize<T>(jsonReader);
}
}
catch (WebException)
{
return null;
}
}
Then call it like this:
var spidyApi_searchIdByName_result = api_Handler.GetObjectFromApi<spidyApiResult>(spidyApi_searchIdByName);
if (spidyApi_searchIdByName_result != null)
{
var Gw2Api_isItemIdinListing_result = api_Handler.GetApi<RootObject>(Gw2Api_allListings + spidyApi_searchIdByName_result.someProperty);
}
Of course this swallows the WebException.

Parsing JSON page

Been trying to figure out how to parse out "in_reply_to_status_id_str -> id_str" form the twitter search page:
https://twitter.com/phoenix_search.phoenix?q=hello&headers%5BX-Twitter-Polling%5D=true&headers%5BX-PHX%5D=true&since_id=203194965877194752&include_entities=1&include_available_features=1&contributor_details=true&mode=relevance&query_source=unknown
Anyone that could write a small example to show how it can be done?

Using Json.Net
dynamic jObj = JsonConvert.DeserializeObject(new WebClient().DownloadString("your url"));
foreach (var item in jObj.statuses)
{
Console.WriteLine("{0} {1}", item.in_reply_to_status_id_str, item.id_str);
}

SO here is where I pull my Json, this is where my list gets made, which you all ready have:
public JsonResult AllStatuses() //from the json called in the _client view
{
var buildStatuses = new List<BuildStatus>();
var projects = Client.AllProjects();
foreach (var project in projects)
{
try
{
var buildConfigs = Client.BuildConfigsByProjectId(project.Id);
foreach (var buildConfig in buildConfigs)
{
var b = new BuildStatus();
var build = Client.LastBuildByBuildConfigId(buildConfig.Id);
var status = build.Status; // Used to loop through BuildConfigID's to find which is a FAILURE, SUCCESS, ERROR, or UNKNOWN
var change = Client.LastChangeDetailByBuildConfigId(buildConfig.Id); // Provides the changeID
var changeDetail = Client.ChangeDetailsByChangeId(change.Id); // Provides the username, this one populates the usernames
if (changeDetail != null)
b.user = changeDetail.Username;
b.id = buildConfig.Id.ToString();
// If the date isn't null place the start date in long format
if (build.StartDate != null)
b.date = build.StartDate.ToString();
// If block; set the status based on the BuildconfigID from the var status
if (status.Contains("FAILURE")){
b.status = "FAILURE";
}
else if (status.Contains("SUCCESS")){
b.status = "SUCCESS";
}
else if (status.Contains("ERROR")){
b.status = "ERROR";
}
else{
b.status = "UNKNOWN";
}
buildStatuses.Add(b);
}
} catch { }
}
var query = buildStatuses.OrderBy(x => x.status); // Create a sorted list from Error - Unknown
return Json(query, JsonRequestBehavior.AllowGet);
Then I copied the JsonConverter I linked you too.
On my Website I finally pulled apart the list of Json with.
public JsonResult AllStatuses() //from the json called in the _client view
{
List<Client> clients = storeDB.Clients.Include("Projects").Include("Projects.Builds").ToList();
var buildStatuses = new List<BuildStatus>();
foreach (var client in clients) {
// Network credentials
// Used to get the Json Service request // URL here: client.ClientURL
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://localhost:81/Status/AllStatuses");
var response = request.GetResponse();
var reader = new StreamReader(response.GetResponseStream());
var responseString = reader.ReadToEnd();
var serializer = new JavaScriptSerializer();
serializer.RegisterConverters((new[] { new DynamicJsonConverter() }));
dynamic obj = serializer.Deserialize(responseString, typeof(object)) as dynamic;
foreach (var objects in obj) // Pull apart the dynamic object
{
var id = objects.id;
var status = objects.status;
var date = objects.date;
var user = objects.user;
var bs = new BuildStatus();
try
{
bs.status = status;
bs.date = date;
bs.id = id;
bs.user = user;
}
catch { throw; }
buildStatuses.Add(bs);
}
}
return Json(buildStatuses, JsonRequestBehavior.AllowGet);
}

Go for a jQuery approach:
var obj = jQuery.parseJSON(jsonString);
alert(obj.in_reply_to_status_id_str.id_str);

You can use this json libraryfor accomplish this.

You could also use the DataContractJsonSerializer class available in .NET once you add a reference to System.Runtime.Serialization.
All you need to do is a create two DataContract classes. Something like:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
namespace MyNamespace
{
[DataContract]
public class TwitterObject
{
[DataMember(Name = "statuses")]
public TwitterStatus[] Statuses { get; set; }
}
[DataContract]
public class TwitterStatus
{
[DataMember(Name = "in_reply_to_status_id_str")]
public string InReplyToStatusIdStr { get; set; }
[DataMember(Name = "id_str")]
public string IdStr { get; set; }
}
}
Then from any other method you wish, you just have to use the DataContractJsonSerializer to build your JSON into a .NET object:
DataContractJsonSerializer jsonSerializer = new DataContractJsonSerializer(typeof(TwitterObject));
// assume the twitterResponse is the JSON you receive
MemoryStream memoryStream = new MemoryStream(Encoding.ASCII.GetBytes(twitterResponse));
var twitterJson = jsonSerializer.ReadObject(memoryStream) as TwitterObject;
There may be some typos, but this should give you the hint. I'm currently working on an extensive synchronization between a server app and a website and this is the method I currently use for JSON communication between the two. I've found the combination of DataContracts and DataContractJsonSerializer is easier to use than 3rd party libraries.