Chilkat Online Tools

ListEndpoints unicodeCpp Example

Amazon Comprehend

#include <CkRestW.h>
#include <CkAuthAwsW.h>
#include <CkJsonObjectW.h>
#include <CkStringBuilderW.h>

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

    CkRestW rest;
    bool success;

    CkAuthAwsW authAws;
    authAws.put_AccessKey(L"AWS_ACCESS_KEY");
    authAws.put_SecretKey(L"AWS_SECRET_KEY");

    // Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
    authAws.put_Region(L"us-west-2");
    authAws.put_ServiceName(L"comprehend");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    // URL: https://comprehend.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect(L"comprehend.us-west-2.amazonaws.com",443,true,true);
    if (success != true) {
        wprintf(L"ConnectFailReason: %d\n",rest.get_ConnectFailReason());
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    // The following code creates the JSON request body.
    // The JSON created by this code is shown below.

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    CkJsonObjectW json;
    json.UpdateInt(L"Filter.CreationTimeAfter",123);
    json.UpdateInt(L"Filter.CreationTimeBefore",123);
    json.UpdateString(L"Filter.ModelArn",L"string");
    json.UpdateString(L"Filter.Status",L"string");
    json.UpdateInt(L"MaxResults",123);
    json.UpdateString(L"NextToken",L"string");

    // The JSON request body created by the above code:

    // {
    //   "Filter": {
    //     "CreationTimeAfter": number,
    //     "CreationTimeBefore": number,
    //     "ModelArn": "string",
    //     "Status": "string"
    //   },
    //   "MaxResults": number,
    //   "NextToken": "string"
    // }

    rest.AddHeader(L"Content-Type",L"application/x-amz-json-1.1");
    rest.AddHeader(L"X-Amz-Target",L"Comprehend_20171127.ListEndpoints");

    CkStringBuilderW sbRequestBody;
    json.EmitSb(sbRequestBody);
    CkStringBuilderW sbResponseBody;
    success = rest.FullRequestSb(L"POST",L"/",sbRequestBody,sbResponseBody);
    if (success != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    int respStatusCode = rest.get_ResponseStatusCode();
    wprintf(L"response status code = %d\n",respStatusCode);
    if (respStatusCode != 200) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",rest.responseHeader());
        wprintf(L"Response Body:\n");
        wprintf(L"%s\n",sbResponseBody.getAsString());
        return;
    }

    CkJsonObjectW jResp;
    jResp.LoadSb(sbResponseBody);

    // The following code parses the JSON response.
    // A sample JSON response is shown below the sample code.

    // Use this online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    int CreationTime;
    int CurrentInferenceUnits;
    const wchar_t *DataAccessRoleArn = 0;
    const wchar_t *DesiredDataAccessRoleArn = 0;
    int DesiredInferenceUnits;
    const wchar_t *DesiredModelArn = 0;
    const wchar_t *EndpointArn = 0;
    int LastModifiedTime;
    const wchar_t *Message = 0;
    const wchar_t *ModelArn = 0;
    const wchar_t *Status = 0;

    const wchar_t *NextToken = jResp.stringOf(L"NextToken");
    int i = 0;
    int count_i = jResp.SizeOfArray(L"EndpointPropertiesList");
    while (i < count_i) {
        jResp.put_I(i);
        CreationTime = jResp.IntOf(L"EndpointPropertiesList[i].CreationTime");
        CurrentInferenceUnits = jResp.IntOf(L"EndpointPropertiesList[i].CurrentInferenceUnits");
        DataAccessRoleArn = jResp.stringOf(L"EndpointPropertiesList[i].DataAccessRoleArn");
        DesiredDataAccessRoleArn = jResp.stringOf(L"EndpointPropertiesList[i].DesiredDataAccessRoleArn");
        DesiredInferenceUnits = jResp.IntOf(L"EndpointPropertiesList[i].DesiredInferenceUnits");
        DesiredModelArn = jResp.stringOf(L"EndpointPropertiesList[i].DesiredModelArn");
        EndpointArn = jResp.stringOf(L"EndpointPropertiesList[i].EndpointArn");
        LastModifiedTime = jResp.IntOf(L"EndpointPropertiesList[i].LastModifiedTime");
        Message = jResp.stringOf(L"EndpointPropertiesList[i].Message");
        ModelArn = jResp.stringOf(L"EndpointPropertiesList[i].ModelArn");
        Status = jResp.stringOf(L"EndpointPropertiesList[i].Status");
        i = i + 1;
    }

    // A sample JSON response body parsed by the above code:

    // {
    //   "EndpointPropertiesList": [
    //     {
    //       "CreationTime": number,
    //       "CurrentInferenceUnits": number,
    //       "DataAccessRoleArn": "string",
    //       "DesiredDataAccessRoleArn": "string",
    //       "DesiredInferenceUnits": number,
    //       "DesiredModelArn": "string",
    //       "EndpointArn": "string",
    //       "LastModifiedTime": number,
    //       "Message": "string",
    //       "ModelArn": "string",
    //       "Status": "string"
    //     }
    //   ],
    //   "NextToken": "string"
    // }
    }