(C++) UPS Address Validation (City, State, Zip)

Demonstrates making a call to the UPS address validation REST API.

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#include <CkHttp.h>
#include <CkJsonObject.h>
#include <CkStringBuilder.h>
#include <CkHttpResponse.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    bool success;

    CkHttp http;

    const char *url = "https://wwwcie.ups.com/rest/AV";

    // Send an HTTP request with the following JSON body:

    // {
    //   "AccessRequest": {
    //     "AccessLicenseNumber": "Your Access License Number",
    //     "UserId": "Your Username",
    //     "Password": "Your Password"
    //   },
    //   "AddressValidationRequest": {
    //     "Request": {
    //       "TransactionReference": {
    //         "CustomerContext": "Your Customer Context"
    //       },
    //       "RequestAction": "AV"
    //     },
    //     "Address": {
    //       "City": "ALPHARETTA",
    //       "StateProvinceCode": "GA",
    //       "PostalCode": "30005"
    //     }
    //   }
    // }

    // Build the above JSON.
    CkJsonObject json;
    json.UpdateString("AccessRequest.AccessLicenseNumber","UPS_ACCESS_KEY");
    json.UpdateString("AccessRequest.UserId","UPS_USERNAME");
    json.UpdateString("AccessRequest.Password","UPS_PASSWORD");
    json.UpdateString("AddressValidationRequest.Request.TransactionReference.CustomerContext","Your Customer Context");
    json.UpdateString("AddressValidationRequest.Request.RequestAction","AV");
    json.UpdateString("AddressValidationRequest.Address.City","ALPHARETTA");
    // We're making an intentional mistake here by passing CA instead of GA.
    json.UpdateString("AddressValidationRequest.Address.StateProvinceCode","CA");
    json.UpdateString("AddressValidationRequest.Address.PostalCode","30005");

    CkStringBuilder sb;
    CkHttpResponse *resp = http.PostJson3(url,"application/json",json);
    if (http.get_LastMethodSuccess() != true) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "status = " << resp->get_StatusCode() << "\r\n";

    // A 200 response status indicate success.
    if (resp->get_StatusCode() != 200) {
        std::cout << resp->bodyStr() << "\r\n";
        std::cout << "Failed." << "\r\n";
        delete resp;
        return;
    }

    json.Load(resp->bodyStr());
    json.put_EmitCompact(false);
    std::cout << json.emit() << "\r\n";

    // A successful exact response looks like this:

    // {
    //   "AddressValidationResponse": {
    //     "Response": {
    //       "TransactionReference": {
    //         "CustomerContext": "Your Customer Context"
    //       },
    //       "ResponseStatusCode": "1",
    //       "ResponseStatusDescription": "Success"
    //     },
    //     "AddressValidationResult": {
    //       "Rank": "1",
    //       "Quality": "1.0",
    //       "Address": {
    //         "City": "ALPHARETTA",
    //         "StateProvinceCode": "GA"
    //       },
    //       "PostalCodeLowEnd": "30005",
    //       "PostalCodeHighEnd": "30005"
    //     }
    //   }
    // }
    // 

    // A successful response that was not an exact match provides an array of closest matches, like this:

    // {
    //   "AddressValidationResponse": {
    //     "Response": {
    //       "TransactionReference": {
    //         "CustomerContext": "Your Customer Context"
    //         "Quality": "0.9875",
    //         "Address": {
    //       },
    //       "ResponseStatusCode": "1",
    //       "ResponseStatusDescription": "Success"
    //     },
    //     "AddressValidationResult": [
    //       {
    //         "Rank": "1",
    //           "City": "ALPHARETTA",
    //           "StateProvinceCode": "GA"
    //         },
    //         "PostalCodeLowEnd": "30005",
    //         "PostalCodeHighEnd": "30005"
    //       },
    //       {
    //         "Rank": "2",
    //         "Quality": "0.9750",
    //         "Address": {
    //           "City": "ALPHARETTA",
    //           "StateProvinceCode": "GA"
    //         },
    //         "PostalCodeLowEnd": "30004",
    //         "PostalCodeHighEnd": "30004"
    //       },
    //       {
    //         "Rank": "3",
    //         "Quality": "0.9750",
    //         "Address": {
    //           "City": "ALPHARETTA",
    //           "StateProvinceCode": "GA"
    //         },
    //         "PostalCodeLowEnd": "30009",
    //         "PostalCodeHighEnd": "30009"
    //       }
    //     ]
    //   }
    // }

    // Use the online tool at Generate JSON Parsing Code
    // to generate JSON parsing code.

    const char *customerContext = 0;
    const char *statusCode = 0;
    const char *statusDescription = 0;
    const char *resultRank = 0;
    const char *resultQuality = 0;
    const char *city = 0;
    const char *provinceCode = 0;
    const char *postalCodeLowEnd = 0;
    const char *postalCodeHighEnd = 0;
    const char *rank = 0;
    const char *quality = 0;
    const char *addressCity = 0;
    const char *addressStateProvinceCode = 0;

    int numResults = json.SizeOfArray("AddressValidationResponse.AddressValidationResult");
    if (numResults < 0) {

        // Here's parse code for the above JSON exact response:
        customerContext = json.stringOf("AddressValidationResponse.Response.TransactionReference.CustomerContext");
        statusCode = json.stringOf("AddressValidationResponse.Response.ResponseStatusCode");
        statusDescription = json.stringOf("AddressValidationResponse.Response.ResponseStatusDescription");
        resultRank = json.stringOf("AddressValidationResponse.AddressValidationResult.Rank");
        resultQuality = json.stringOf("AddressValidationResponse.AddressValidationResult.Quality");
        city = json.stringOf("AddressValidationResponse.AddressValidationResult.Address.City");
        provinceCode = json.stringOf("AddressValidationResponse.AddressValidationResult.Address.StateProvinceCode");
        postalCodeLowEnd = json.stringOf("AddressValidationResponse.AddressValidationResult.PostalCodeLowEnd");
        postalCodeHighEnd = json.stringOf("AddressValidationResponse.AddressValidationResult.PostalCodeHighEnd");

        std::cout << "Exact match!" << "\r\n";
        std::cout << "postal code: " << postalCodeLowEnd << "\r\n";

    }
    else {

        std::cout << "Non-Exact match." << "\r\n";

        customerContext = json.stringOf("AddressValidationResponse.Response.TransactionReference.CustomerContext");
        statusCode = json.stringOf("AddressValidationResponse.Response.ResponseStatusCode");
        statusDescription = json.stringOf("AddressValidationResponse.Response.ResponseStatusDescription");
        int i = 0;
        while (i < numResults) {
            json.put_I(i);
            rank = json.stringOf("AddressValidationResponse.AddressValidationResult[i].Rank");
            std::cout << "rank: " << rank << "\r\n";
            quality = json.stringOf("AddressValidationResponse.AddressValidationResult[i].Quality");
            addressCity = json.stringOf("AddressValidationResponse.AddressValidationResult[i].Address.City");
            std::cout << "addressCity: " << addressCity << "\r\n";
            addressStateProvinceCode = json.stringOf("AddressValidationResponse.AddressValidationResult[i].Address.StateProvinceCode");
            postalCodeLowEnd = json.stringOf("AddressValidationResponse.AddressValidationResult[i].PostalCodeLowEnd");
            std::cout << "postal code: " << postalCodeLowEnd << "\r\n";
            postalCodeHighEnd = json.stringOf("AddressValidationResponse.AddressValidationResult[i].PostalCodeHighEnd");
            i = i + 1;
        }

    }

    delete resp;
    }