(C++) UPS Tracking API

Demonstrates making a call to the UPS tracking REST API. Parses the tracking response and extracts the base64 signature image to a gif file.

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

    // This is the testing endpoint for the tracking API:
    const char *url = "https://wwwcie.ups.com/rest/Track";

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

    // {
    //   "UPSSecurity": {
    //     "UsernameToken": {
    //       "Username": "Your Username",
    //       "Password": "Your Password"
    //     },
    //     "ServiceAccessToken": {
    //       "AccessLicenseNumber": "Your Access License Number"
    //     }
    //   },
    //   "TrackRequest": {
    //     "Request": {
    //       "RequestOption": "1",
    //       "TransactionReference": {
    //         "CustomerContext": "Your Test Case Summary Description"
    //       }
    //     },
    //     "InquiryNumber": "YourTrackingNumber"
    //   }
    // }
    // 

    // Build the above JSON.
    CkJsonObject json;
    json.UpdateString("UPSSecurity.UsernameToken.Username","UPS_USERNAME");
    json.UpdateString("UPSSecurity.UsernameToken.Password","UPS_PASSWORD");
    json.UpdateString("UPSSecurity.ServiceAccessToken.AccessLicenseNumber","UPS_ACCESS_KEY");
    // Request all activity...
    json.UpdateString("TrackRequest.Request.RequestOption","activity");
    json.UpdateString("TrackRequest.Request.TransactionReference.CustomerContext","Your Test Case Summary Description");
    json.UpdateString("TrackRequest.InquiryNumber","1Z12345E0205271688");

    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";

    // {
    //   "TrackResponse": {
    //     "Response": {
    //       "ResponseStatus": {
    //         "Code": "1",
    //         "Description": "Success"
    //       },
    //       "TransactionReference": {
    //         "CustomerContext": "Your Test Case Summary Description"
    //       }
    //     },
    //     "Shipment": {
    //       "InquiryNumber": {
    //         "Code": "01",
    //         "Description": "ShipmentIdentificationNumber",
    //         "Value": "1Z12345E0205271688"
    //       },
    //       "ShipmentType": {
    //         "Code": "01",
    //         "Description": "Small Package"
    //       },
    //       "ShipperNumber": "12345E",
    //       "Service": {
    //         "Code": "002",
    //         "Description": "2ND DAY AIR"
    //       },
    //       "ReferenceNumber": {
    //         "Code": "01",
    //         "Value": "LINE4AND115"
    //       },
    //       "PickupDate": "19990608",
    //       "Package": {
    //         "TrackingNumber": "1Z12345E0205271688",
    //         "Activity": [
    //           {
    //             "ActivityLocation": {
    //               "Address": {
    //                 "City": "ANYTOWN",
    //                 "StateProvinceCode": "GA",
    // 
    //                 "PostalCode": "30340",
    //                 "CountryCode": "US"
    //               },
    //               "Code": "ML",
    //               "Description": "BACK DOOR",
    //               "SignedForByName": "JOHN DOE"
    //             },
    //             "Status": {
    //               "Type": "D",
    //               "Description": "DELIVERED",
    //               "Code": "KM"
    //             },
    //             "Date": "19990610",
    //             "Time": "120000",
    //             "Document": {
    //               "Type": {
    //                 "Code": "01",
    //                 "Description": "Signature Image"
    //               },
    //               "Content": "R0lGODdhoA ... JU9Y8RdHsRKLMVJ4MVDMREAAADs=",
    //               "Format": {
    //                 "Code": "01",
    //                 "Description": "GIF"
    //               }
    //             }
    //           },
    //           {
    //             "Status": {
    //               "Type": "M",
    //               "Description": "BILLING INFORMATION RECEIVED. SHIPMENT DATE PENDING.",
    //               "Code": "MP"
    //             },
    //             "Date": "19990608",
    //             "Time": "120000"
    //           }
    //         ],
    //         "PackageWeight": {
    //           "UnitOfMeasurement": {
    //             "Code": "LBS"
    //           },
    //           "Weight": "5.00"
    //         },
    //         "ReferenceNumber": [
    //           {
    //             "Code": "01",
    //             "Value": "LINE4AND115"
    //           },
    //           {
    //             "Code": "08",
    //             "Value": "LJ67Y5"
    //           }
    //         ]
    //       }
    //     },
    //     "Disclaimer": "You are using UPS tracking service on customer integration test environment, please switch to UPS production environment once you finish the test. The URL is https://onlinetools.ups.com/webservices/Track"
    //   }
    // }

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

    const char *statusCode = json.stringOf("TrackResponse.Response.ResponseStatus.Code");
    const char *statusDescription = json.stringOf("TrackResponse.Response.ResponseStatus.Description");
    std::cout << "statusCode: " << statusCode << "\r\n";
    std::cout << "statusDescription" << statusDescription << "\r\n";
    const char *customerContext = json.stringOf("TrackResponse.Response.TransactionReference.CustomerContext");
    const char *inquiryNumberCode = json.stringOf("TrackResponse.Shipment.InquiryNumber.Code");
    const char *inquiryNumberDescription = json.stringOf("TrackResponse.Shipment.InquiryNumber.Description");
    const char *inquiryNumberValue = json.stringOf("TrackResponse.Shipment.InquiryNumber.Value");
    const char *shipmentTypeCode = json.stringOf("TrackResponse.Shipment.ShipmentType.Code");
    const char *shipmentTypeDescription = json.stringOf("TrackResponse.Shipment.ShipmentType.Description");
    const char *shipperNumber = json.stringOf("TrackResponse.Shipment.ShipperNumber");
    const char *serviceCode = json.stringOf("TrackResponse.Shipment.Service.Code");
    const char *serviceDescription = json.stringOf("TrackResponse.Shipment.Service.Description");
    const char *referenceNumberCode = json.stringOf("TrackResponse.Shipment.ReferenceNumber.Code");
    const char *referenceNumberValue = json.stringOf("TrackResponse.Shipment.ReferenceNumber.Value");
    const char *pickupDate = json.stringOf("TrackResponse.Shipment.PickupDate");
    const char *trackingNumber = json.stringOf("TrackResponse.Shipment.Package.TrackingNumber");
    const char *unitOfMeasurementCode = json.stringOf("TrackResponse.Shipment.Package.PackageWeight.UnitOfMeasurement.Code");
    const char *weight = json.stringOf("TrackResponse.Shipment.Package.PackageWeight.Weight");
    const char *disclaimer = json.stringOf("TrackResponse.Disclaimer");

    int i = 0;
    int activityCount = json.SizeOfArray("TrackResponse.Shipment.Package.Activity");
    std::cout << "activityCount: " << activityCount << "\r\n";

    while (i < activityCount) {
        std::cout << "-- activity " << i << "\r\n";
        json.put_I(i);
        if (json.HasMember("TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Address.City") == true) {
            const char *city = json.stringOf("TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Address.City");
            std::cout << "city: " << city << "\r\n";
            const char *provinceCode = json.stringOf("TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Address.StateProvinceCode");
            const char *postalCode = json.stringOf("TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Address.PostalCode");
            const char *countryCode = json.stringOf("TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Address.CountryCode");
        }

        const char *locationCode = json.stringOf("TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Code");
        const char *locationDescription = json.stringOf("TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Description");
        const char *locationSignedForByName = json.stringOf("TrackResponse.Shipment.Package.Activity[i].ActivityLocation.SignedForByName");

        const char *activityStatusType = json.stringOf("TrackResponse.Shipment.Package.Activity[i].Status.Type");
        std::cout << "activityStatusType: " << activityStatusType << "\r\n";
        const char *activityStatusDescription = json.stringOf("TrackResponse.Shipment.Package.Activity[i].Status.Description");
        std::cout << "activityStatusDescription: " << activityStatusDescription << "\r\n";
        const char *activityStatusCode = json.stringOf("TrackResponse.Shipment.Package.Activity[i].Status.Code");
        std::cout << "activityStatusCode: " << activityStatusCode << "\r\n";

        const char *activityDate = json.stringOf("TrackResponse.Shipment.Package.Activity[i].Date");
        const char *activityTime = json.stringOf("TrackResponse.Shipment.Package.Activity[i].Time");

        if (json.HasMember("TrackResponse.Shipment.Package.Activity[i].Document") == true) {
            int typeCode = json.IntOf("TrackResponse.Shipment.Package.Activity[i].Document.Type.Code");
            const char *typeDescription = json.stringOf("TrackResponse.Shipment.Package.Activity[i].Document.Type.Description");
            const char *documentContent = json.stringOf("TrackResponse.Shipment.Package.Activity[i].Document.Content");
            const char *documentFormatCode = json.stringOf("TrackResponse.Shipment.Package.Activity[i].Document.Format.Code");
            // Format description would be something like "GIF" for a signature image.
            const char *documentFormatDescription = json.stringOf("TrackResponse.Shipment.Package.Activity[i].Document.Format.Description");

            // 01 - Signature Image
            // 02 - Delivery Receipt
            // 03 - Free Astray
            // 04 - POD
            if (typeCode == 1) {
                // We have a signature image.  Get the image data and save to a file.
                CkStringBuilder sbImagePath;
                sbImagePath.Append("qa_output/sig_");
                sbImagePath.Append(trackingNumber);
                sbImagePath.Append(".");
                sbImagePath.Append(documentFormatDescription);
                CkBinData imageData;
                success = imageData.AppendEncoded(documentContent,"base64");
                // Write to "qa_output/sig_1Z12345E0205271688.GIF"
                success = imageData.WriteFile(sbImagePath.getAsString());
            }

        }

        i = i + 1;
    }

    i = 0;
    int refnumCount = json.SizeOfArray("TrackResponse.Shipment.Package.ReferenceNumber");
    while (i < refnumCount) {
        json.put_I(i);
        const char *refnumCode = json.stringOf("TrackResponse.Shipment.Package.ReferenceNumber[i].Code");
        const char *refnumValue = json.stringOf("TrackResponse.Shipment.Package.ReferenceNumber[i].Value");
        i = i + 1;
    }

    std::cout << "Success." << "\r\n";

    delete resp;
    }