Chilkat Online Tools

QueryAssistant unicodeCpp Example

Amazon Wisdom

#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"wisdom");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    // URL: https://wisdom.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect(L"wisdom.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"maxResults",123);
    json.UpdateString(L"nextToken",L"string");
    json.UpdateString(L"queryText",L"string");

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

    // {
    //   "maxResults": number,
    //   "nextToken": "string",
    //   "queryText": "string"
    // }

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

    CkStringBuilderW sbRequestBody;
    json.EmitSb(sbRequestBody);
    CkStringBuilderW sbResponseBody;
    success = rest.FullRequestSb(L"POST",L"/assistants/{assistantId}/query",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.

    const wchar_t *ContentArn = 0;
    const wchar_t *ContentId = 0;
    const wchar_t *KnowledgeBaseArn = 0;
    const wchar_t *KnowledgeBaseId = 0;
    const wchar_t *Text = 0;
    const wchar_t *TitleText = 0;
    int relevanceScore;
    const wchar_t *resultId = 0;
    int j;
    int count_j;
    int beginOffsetInclusive;
    int endOffsetExclusive;

    const wchar_t *nextToken = jResp.stringOf(L"nextToken");
    int i = 0;
    int count_i = jResp.SizeOfArray(L"results");
    while (i < count_i) {
        jResp.put_I(i);
        ContentArn = jResp.stringOf(L"results[i].document.contentReference.contentArn");
        ContentId = jResp.stringOf(L"results[i].document.contentReference.contentId");
        KnowledgeBaseArn = jResp.stringOf(L"results[i].document.contentReference.knowledgeBaseArn");
        KnowledgeBaseId = jResp.stringOf(L"results[i].document.contentReference.knowledgeBaseId");
        Text = jResp.stringOf(L"results[i].document.excerpt.text");
        TitleText = jResp.stringOf(L"results[i].document.title.text");
        relevanceScore = jResp.IntOf(L"results[i].relevanceScore");
        resultId = jResp.stringOf(L"results[i].resultId");
        j = 0;
        count_j = jResp.SizeOfArray(L"results[i].document.excerpt.highlights");
        while (j < count_j) {
            jResp.put_J(j);
            beginOffsetInclusive = jResp.IntOf(L"results[i].document.excerpt.highlights[j].beginOffsetInclusive");
            endOffsetExclusive = jResp.IntOf(L"results[i].document.excerpt.highlights[j].endOffsetExclusive");
            j = j + 1;
        }

        j = 0;
        count_j = jResp.SizeOfArray(L"results[i].document.title.highlights");
        while (j < count_j) {
            jResp.put_J(j);
            beginOffsetInclusive = jResp.IntOf(L"results[i].document.title.highlights[j].beginOffsetInclusive");
            endOffsetExclusive = jResp.IntOf(L"results[i].document.title.highlights[j].endOffsetExclusive");
            j = j + 1;
        }

        i = i + 1;
    }

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

    // {
    //   "nextToken": "string",
    //   "results": [
    //     {
    //       "document": {
    //         "contentReference": {
    //           "contentArn": "string",
    //           "contentId": "string",
    //           "knowledgeBaseArn": "string",
    //           "knowledgeBaseId": "string"
    //         },
    //         "excerpt": {
    //           "highlights": [
    //             {
    //               "beginOffsetInclusive": number,
    //               "endOffsetExclusive": number
    //             }
    //           ],
    //           "text": "string"
    //         },
    //         "title": {
    //           "highlights": [
    //             {
    //               "beginOffsetInclusive": number,
    //               "endOffsetExclusive": number
    //             }
    //           ],
    //           "text": "string"
    //         }
    //       },
    //       "relevanceScore": number,
    //       "resultId": "string"
    //     }
    //   ]
    // }
    }