Set an NSDictionary in HTTPBody and send using POST method

Set an NSDictionary in HTTPBody and send using POST method

I want to call a web service with the POST method. I need to post a dictionary with a URL. My web service parameters are given below:

ConversationMessage {         authorUserId (string, optional),         subject (string, optional),         hasAttachment (boolean, optional),         conversationId (string, optional),         attachment (DigitalAsset, optional),         content (string, optional),         title (string, optional),         urgency (boolean, optional),         searchable (Map[String,Object], optional)  }    DigitalAsset {          id (string, optional),          assetUrl (string, optional),          assetContent (string, optional),          thumbGenerated (boolean, optional),          fileName (string, optional)  }      Map[String,Object] {          empty (boolean, optional)  }  

Following is my request:

    NSMutableArray *arr=[[NSMutableArray alloc]init];      NSMutableDictionary *dict=[[NSMutableDictionary alloc]init];      [dict setValue:@"test title" forKey:@"title"];      [dict setValue:@"test message" forKey:@"content"];      [dict setValue:@"0" forKey:@"urgency"];        [arr addObject:[NSMutableDictionary dictionaryWithObject:dict forKey:@"ConversationMessage"]];        NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init] ;      [request setURL:[NSURL URLWithString:strUrl]];      [request setTimeoutInterval:10.0];      [request setHTTPMethod:strMethod];        NSString *boundary = @"---------------------------14737809831466499882746641449";      NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];      [request addValue:contentType forHTTPHeaderField: @"Content-Type"];        NSMutableData *body=[[NSMutableData alloc]init];      for (NSMutableDictionary *dict in array) {          NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dict options:0 error:NULL];        [body appendData:jsonData];  }    [request setHTTPBody:body];  

But I am getting the following error:

The server refused this request because the request entity is in a format not supported by the requested resource for the requested method

Answer by b1ueskyz for Set an NSDictionary in HTTPBody and send using POST method

NSMutableURLRequest has a method setHTTPBody: which would take your NSData* jsonData as a parameter. On the surface that appears to be your problem. You never call it in the code above.

Answer by user2071152 for Set an NSDictionary in HTTPBody and send using POST method

Please find the below code which POST the data to a webservice. Please note this is a sample which i used in one of my application.

//json format to send the data  jsondata = [NSJSONSerialization dataWithJSONObject:"NSDictionary variable name"                                                 options:NSJSONWritingPrettyPrinted                                                   error:&error];  NSMutableURLRequest * request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:theUrl] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:120.0];  [request setValue:@"application/json" forHTTPHeaderField:@"Content-type"];  [request setValue:@"application/json" forHTTPHeaderField:@"Accept"];  [request setHTTPMethod:@"POST"];  [request setValue:[NSString stringWithFormat:@"%d", [jsondata length]] forHTTPHeaderField:@"Content-Length"];  [request setHTTPBody:jsondata];  

Hope this helps.

From your comments "server refused this request" does the server support JSON or XML format.

Answer by simalone for Set an NSDictionary in HTTPBody and send using POST method

Try following code:

NSString *params = [self makeParamtersString:dictData withEncoding:NSUTF8StringEncoding];  NSData *body = [params dataUsingEncoding:NSUTF8StringEncoding];   [request setHTTPBody:body];  [request setHTTPMethod:@"POST"];    - (NSString*)makeParamtersString:(NSDictionary*)parameters withEncoding:(NSStringEncoding)encoding  {      if (nil == parameters || [parameters count] == 0)          return nil;        NSMutableString* stringOfParamters = [[NSMutableString alloc] init];      NSEnumerator *keyEnumerator = [parameters keyEnumerator];      id key = nil;      while ((key = [keyEnumerator nextObject]))      {          NSString *value = [[parameters valueForKey:key] isKindOfClass:[NSString class]] ?          [parameters valueForKey:key] : [[parameters valueForKey:key] stringValue];          [stringOfParamters appendFormat:@"%@=%@&",           [self URLEscaped:key withEncoding:encoding],           [self URLEscaped:value withEncoding:encoding]];      }        // Delete last character of '&'      NSRange lastCharRange = {[stringOfParamters length] - 1, 1};      [stringOfParamters deleteCharactersInRange:lastCharRange];      return stringOfParamters;  }    - (NSString *)URLEscaped:(NSString *)strIn withEncoding:(NSStringEncoding)encoding  {      CFStringRef escaped = CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)strIn, NULL, (CFStringRef)@"!*'();:@&=+$,/?%#[]", CFStringConvertNSStringEncodingToEncoding(encoding));      NSString *strOut = [NSString stringWithString:(__bridge NSString *)escaped];      CFRelease(escaped);      return strOut;  }  

Answer by Aneesh Dangayach for Set an NSDictionary in HTTPBody and send using POST method

I hope you are using stream to pass the multipart file.

To pass parameters you should use something like this before passing the multipart data:

NSString *contentDisposition = @"Content-Disposition: form-data; name=\"\"";    NSString *contentType = @"Content-Type: application/json; charset=UTF-8";  

Loop through all the parameters & append contentDisposition & contentType separated by boundary string.

This is how the format looks like:

-----------------------------14737809831466499882746641449  Content-Disposition: form-data; name="title"   Content-Type: application/json; charset=UTF-8  test title    -----------------------------14737809831466499882746641449  Content-Disposition: form-data; name="content"  Content-Type: application/json; charset=UTF-8  test message    -----------------------------14737809831466499882746641449    Content-Disposition: form-data; name=multipartFile; filename=""  Content-Type: text/plain  

Convert this string to NSData and append the multipart data of your file and setHttpBody.

Hope it helps.

Answer by Naren for Set an NSDictionary in HTTPBody and send using POST method

Can you try forming the following format

NSString *parameter = [NSString stringWithFormat:@"title=testtitle&content=testmessage&urgency=0"];    NSData *parameterData = [parameter dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];  

And then set it as body

[theRequest setHTTPBody:parameterData];  

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