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0

I have an online database and I put images there.
I use fetch to call webservice but it gives me an error because of images. how to handle this?

 fetch('url', 
 method: 'POST',
 headers: new Headers(
 Accept: 'application/json',
 Content-Type': 'application/json', // <-- Specifying the Content-Type
 ),
 )
 .then((response) => 
 console.log(response);
 );

this is my fetch. As I said When call web service it gives me an error because of not fetching images

I serializer in webservice like this :

public class Data
 
 public string Ref get; set; 

 public int CharacterID get; set; 
 public string CharacterName get; set; 
 public string Regions get; set; 
 public string Rarity get; set; 
 public char Role get; set; 
 public string Origin get; set; 
 public int Power get; set; 
 public string Tag1 get; set; 
 public string Tag2 get; set; 
 public string Tag3 get; set; 
 public string RareMaterial get; set; 
 public string EpicMaterial get; set; 
 public string UniqueMaterial get; set; 
 public string Image get; set; 


 [JsonConverter(typeof(ImageConverter))]
 public Image Images get; set; 

 

 public class ImageConverter : JsonConverter
 
 public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
 
 var base64 = (string)reader.Value;
 // convert base64 to byte array, put that into memory stream and feed to image
 return Image.FromStream(new MemoryStream(Convert.FromBase64String(base64)));
 

 public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
 
 var image = (Image)value;
 // save to memory stream in original format
 var ms = new MemoryStream();
 image.Save(ms, image.RawFormat);
 byte[] imageBytes = ms.ToArray();
 // write byte array, will be converted to base64 by JSON.NET
 writer.WriteValue(imageBytes);
 

 public override bool CanConvert(Type objectType)
 
 return objectType == typeof(Image);
 
 

how to deserialize this in react-native ?

react-native

share|improve this question

edited Mar 27 at 13:01

hakan

asked Mar 27 at 12:22

hakanhakan

50211 gold badge22 silver badges1212 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  how you store your image on API? a path or format like base64
  
  – errorau
  Mar 27 at 12:55
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Can you post the exact error you have ?
  
  – jgoday
  Mar 27 at 13:07
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  "<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="w3.org/2003/05/soap-envelope" xmlns:xsi="w3.org/2001/XMLSchema-instance" xmlns:xsd="w3.org/2001/… xml:lang="en">Server was unable to process request. ---&gt; Root element is missing.</soap:Text></soap:Reason><soap:Detail /></soap:Fault></soap:Body></soap:Envelope>"
  
  – hakan
  Mar 27 at 13:07
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  SOAP returns a xml. If you want to return a json with SOAP you must added as a CDATA in the response xml. What framework/library are you using in the server side ?
  
  – jgoday
  Mar 27 at 13:12
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  newtonSoft. By the way, How tO add CDATA ?
  
  – hakan
  Mar 27 at 13:14
  

  
  
  
  

 | 
show 2 more comments

0

I have an online database and I put images there.
I use fetch to call webservice but it gives me an error because of images. how to handle this?

 fetch('url', 
 method: 'POST',
 headers: new Headers(
 Accept: 'application/json',
 Content-Type': 'application/json', // <-- Specifying the Content-Type
 ),
 )
 .then((response) => 
 console.log(response);
 );

this is my fetch. As I said When call web service it gives me an error because of not fetching images

I serializer in webservice like this :

public class Data
 
 public string Ref get; set; 

 public int CharacterID get; set; 
 public string CharacterName get; set; 
 public string Regions get; set; 
 public string Rarity get; set; 
 public char Role get; set; 
 public string Origin get; set; 
 public int Power get; set; 
 public string Tag1 get; set; 
 public string Tag2 get; set; 
 public string Tag3 get; set; 
 public string RareMaterial get; set; 
 public string EpicMaterial get; set; 
 public string UniqueMaterial get; set; 
 public string Image get; set; 


 [JsonConverter(typeof(ImageConverter))]
 public Image Images get; set; 

 

 public class ImageConverter : JsonConverter
 
 public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
 
 var base64 = (string)reader.Value;
 // convert base64 to byte array, put that into memory stream and feed to image
 return Image.FromStream(new MemoryStream(Convert.FromBase64String(base64)));
 

 public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
 
 var image = (Image)value;
 // save to memory stream in original format
 var ms = new MemoryStream();
 image.Save(ms, image.RawFormat);
 byte[] imageBytes = ms.ToArray();
 // write byte array, will be converted to base64 by JSON.NET
 writer.WriteValue(imageBytes);
 

 public override bool CanConvert(Type objectType)
 
 return objectType == typeof(Image);
 
 

how to deserialize this in react-native ?

react-native

share|improve this question

edited Mar 27 at 13:01

hakan

asked Mar 27 at 12:22

hakanhakan

50211 gold badge22 silver badges1212 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  how you store your image on API? a path or format like base64
  
  – errorau
  Mar 27 at 12:55
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Can you post the exact error you have ?
  
  – jgoday
  Mar 27 at 13:07
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  "<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="w3.org/2003/05/soap-envelope" xmlns:xsi="w3.org/2001/XMLSchema-instance" xmlns:xsd="w3.org/2001/… xml:lang="en">Server was unable to process request. ---&gt; Root element is missing.</soap:Text></soap:Reason><soap:Detail /></soap:Fault></soap:Body></soap:Envelope>"
  
  – hakan
  Mar 27 at 13:07
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  SOAP returns a xml. If you want to return a json with SOAP you must added as a CDATA in the response xml. What framework/library are you using in the server side ?
  
  – jgoday
  Mar 27 at 13:12
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  newtonSoft. By the way, How tO add CDATA ?
  
  – hakan
  Mar 27 at 13:14
  

  
  
  
  

 | 
show 2 more comments

I have an online database and I put images there.
I use fetch to call webservice but it gives me an error because of images. how to handle this?

 fetch('url', 
 method: 'POST',
 headers: new Headers(
 Accept: 'application/json',
 Content-Type': 'application/json', // <-- Specifying the Content-Type
 ),
 )
 .then((response) => 
 console.log(response);
 );

this is my fetch. As I said When call web service it gives me an error because of not fetching images

I serializer in webservice like this :

public class Data
 
 public string Ref get; set; 

 public int CharacterID get; set; 
 public string CharacterName get; set; 
 public string Regions get; set; 
 public string Rarity get; set; 
 public char Role get; set; 
 public string Origin get; set; 
 public int Power get; set; 
 public string Tag1 get; set; 
 public string Tag2 get; set; 
 public string Tag3 get; set; 
 public string RareMaterial get; set; 
 public string EpicMaterial get; set; 
 public string UniqueMaterial get; set; 
 public string Image get; set; 


 [JsonConverter(typeof(ImageConverter))]
 public Image Images get; set; 

 

 public class ImageConverter : JsonConverter
 
 public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
 
 var base64 = (string)reader.Value;
 // convert base64 to byte array, put that into memory stream and feed to image
 return Image.FromStream(new MemoryStream(Convert.FromBase64String(base64)));
 

 public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
 
 var image = (Image)value;
 // save to memory stream in original format
 var ms = new MemoryStream();
 image.Save(ms, image.RawFormat);
 byte[] imageBytes = ms.ToArray();
 // write byte array, will be converted to base64 by JSON.NET
 writer.WriteValue(imageBytes);
 

 public override bool CanConvert(Type objectType)
 
 return objectType == typeof(Image);
 
 

how to deserialize this in react-native ?

react-native

share|improve this question

edited Mar 27 at 13:01

hakan

asked Mar 27 at 12:22

hakanhakan

50211 gold badge22 silver badges1212 bronze badges

 fetch('url', 
 method: 'POST',
 headers: new Headers(
 Accept: 'application/json',
 Content-Type': 'application/json', // <-- Specifying the Content-Type
 ),
 )
 .then((response) => 
 console.log(response);
 );

public class Data
 
 public string Ref get; set; 

 public int CharacterID get; set; 
 public string CharacterName get; set; 
 public string Regions get; set; 
 public string Rarity get; set; 
 public char Role get; set; 
 public string Origin get; set; 
 public int Power get; set; 
 public string Tag1 get; set; 
 public string Tag2 get; set; 
 public string Tag3 get; set; 
 public string RareMaterial get; set; 
 public string EpicMaterial get; set; 
 public string UniqueMaterial get; set; 
 public string Image get; set; 


 [JsonConverter(typeof(ImageConverter))]
 public Image Images get; set; 

 

 public class ImageConverter : JsonConverter
 
 public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
 
 var base64 = (string)reader.Value;
 // convert base64 to byte array, put that into memory stream and feed to image
 return Image.FromStream(new MemoryStream(Convert.FromBase64String(base64)));
 

 public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
 
 var image = (Image)value;
 // save to memory stream in original format
 var ms = new MemoryStream();
 image.Save(ms, image.RawFormat);
 byte[] imageBytes = ms.ToArray();
 // write byte array, will be converted to base64 by JSON.NET
 writer.WriteValue(imageBytes);
 

 public override bool CanConvert(Type objectType)
 
 return objectType == typeof(Image);
 
 

share|improve this question

edited Mar 27 at 13:01

hakan

asked Mar 27 at 12:22

hakanhakan

50211 gold badge22 silver badges1212 bronze badges

share|improve this question

edited Mar 27 at 13:01

hakan

asked Mar 27 at 12:22

hakanhakan

50211 gold badge22 silver badges1212 bronze badges

asked Mar 27 at 12:22

hakanhakan

50211 gold badge22 silver badges1212 bronze badges

asked Mar 27 at 12:22

hakanhakan

50211 gold badge22 silver badges1212 bronze badges