(Objective-C) Simple SOAP Request

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Demonstrates how to send a simple SOAP request.

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#import <CkoXml.h>
#import <NSString.h>
#import <CkoHttp.h>
#import <CkoHttpResponse.h>

// --------------------------------------------------------------------------------
// Also see Chilkat's Online WSDL Code Generator
// to generate code and SOAP Request and Response XML for each operation in a WSDL.
// --------------------------------------------------------------------------------

// Create the following XML to be sent in the SOAP request body.

// <soapenv:Envelope xmlns:dat="http://www.dataaccess.com/webservicesserver/" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
//     <soapenv:Header/>
//     <soapenv:Body>
//         <dat:NumberToDollars>
//             <dat:dNum>99.0</dat:dNum>
//         </dat:NumberToDollars>
//     </soapenv:Body>
// </soapenv:Envelope>

CkoXml *xml = [[CkoXml alloc] init];
xml.Tag = @"soapenv:Envelope";
[xml AddAttribute: @"xmlns:dat" value: @"http://www.dataaccess.com/webservicesserver/"];
[xml AddAttribute: @"xmlns:soapenv" value: @"http://schemas.xmlsoap.org/soap/envelope/"];
[xml UpdateChildContent: @"soapenv:Header" value: @""];
[xml UpdateChildContent: @"soapenv:Body|dat:NumberToDollars|dat:dNum" value: @"99.0"];

// In a SOAP HTTP request, including the XML declaration (<?xml version="1.0" encoding="UTF-8"?>) in the XML body is generally not required. 
xml.EmitXmlDecl = NO;
NSString *soapRequestBody = [xml GetXml];

NSString *endpoint = @"https://www.dataaccess.com/webservicesserver/numberconversion.wso";
NSString *soapAction = @"";
//  For SOAP requests, the standard Content-Type is usually set to "text/xml" or "application/soap+xml"
NSString *contentType = @"text/xml";

CkoHttp *http = [[CkoHttp alloc] init];

[http ClearHeaders];
[http SetRequestHeader: @"Content-Type" value: contentType];
[http SetRequestHeader: @"SOAPAction" value: soapAction];

CkoHttpResponse *resp = [http PostXml: endpoint xmlDoc: soapRequestBody charset: @"utf-8"];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    NSLog(@"%@",@"Failed to send SOAP request.");
    return;
}

// Get the XML response body.
CkoXml *responseXml = [[CkoXml alloc] init];
[resp GetBodyXml: responseXml];

int statusCode = [resp.StatusCode intValue];
NSLog(@"%@%d",@"response status code: ",statusCode);

// If the status code does not indicate succcess, then show the response XML,
// which probably contains error information.
if (statusCode != 200) {
    NSLog(@"%@",[responseXml GetXml]);
    return;
}

NSLog(@"%@",[responseXml GetXml]);

// Parse the successful SOAP response XML.

// This is a sample of the response XML, but the namespace prefixes will be different.
// We can parse the result using "*" for the namespace prefixes (see below).

// <soapenv:Envelope xmlns:dat="http://www.dataaccess.com/webservicesserver/" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
//     <soapenv:Header/>
//     <soapenv:Body>
//         <dat:NumberToDollarsResponse>
//             <dat:NumberToDollarsResult>string</dat:NumberToDollarsResult>
//         </dat:NumberToDollarsResponse>
//     </soapenv:Body>
// </soapenv:Envelope>

NSString *dat_NumberToDollarsResult = [responseXml GetChildContent: @"*:Body|*:NumberToDollarsResponse|*:NumberToDollarsResult"];
NSLog(@"%@%@",@"result: ",dat_NumberToDollarsResult);