Chilkat Online Tools

ListContents unicodeC Example

Amazon Wisdom

#include <C_CkRestW.h>
#include <C_CkAuthAwsW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkJsonObjectW.h>

void ChilkatSample(void)
    {
    HCkRestW rest;
    BOOL success;
    HCkAuthAwsW authAws;
    HCkStringBuilderW sbResponseBody;
    int respStatusCode;
    HCkJsonObjectW jResp;
    const wchar_t *contentArn;
    const wchar_t *contentId;
    const wchar_t *contentType;
    const wchar_t *knowledgeBaseArn;
    const wchar_t *knowledgeBaseId;
    const wchar_t *v_String;
    const wchar_t *name;
    const wchar_t *revisionId;
    const wchar_t *status;
    const wchar_t *tagsString;
    const wchar_t *title;
    const wchar_t *nextToken;
    int i;
    int count_i;

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

    rest = CkRestW_Create();

    authAws = CkAuthAwsW_Create();
    CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY");
    CkAuthAwsW_putSecretKey(authAws,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.)
    CkAuthAwsW_putRegion(authAws,L"us-west-2");
    CkAuthAwsW_putServiceName(authAws,L"wisdom");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    CkRestW_SetAuthAws(rest,authAws);

    // URL: https://wisdom.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = CkRestW_Connect(rest,L"wisdom.us-west-2.amazonaws.com",443,TRUE,TRUE);
    if (success != TRUE) {
        wprintf(L"ConnectFailReason: %d\n",CkRestW_getConnectFailReason(rest));
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkAuthAwsW_Dispose(authAws);
        return;
    }

    CkRestW_AddHeader(rest,L"Content-Type",L"application/x-amz-json-1.1");
    CkRestW_AddHeader(rest,L"X-Amz-Target",L"ListContents");

    sbResponseBody = CkStringBuilderW_Create();
    success = CkRestW_FullRequestNoBodySb(rest,L"GET",L"/knowledgeBases/{knowledgeBaseId}/contents",sbResponseBody);
    if (success != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkAuthAwsW_Dispose(authAws);
        CkStringBuilderW_Dispose(sbResponseBody);
        return;
    }

    respStatusCode = CkRestW_getResponseStatusCode(rest);
    wprintf(L"response status code = %d\n",respStatusCode);
    if (respStatusCode != 200) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",CkRestW_responseHeader(rest));
        wprintf(L"Response Body:\n");
        wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponseBody));
        CkRestW_Dispose(rest);
        CkAuthAwsW_Dispose(authAws);
        CkStringBuilderW_Dispose(sbResponseBody);
        return;
    }

    jResp = CkJsonObjectW_Create();
    CkJsonObjectW_LoadSb(jResp,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.

    nextToken = CkJsonObjectW_stringOf(jResp,L"nextToken");
    i = 0;
    count_i = CkJsonObjectW_SizeOfArray(jResp,L"contentSummaries");
    while (i < count_i) {
        CkJsonObjectW_putI(jResp,i);
        contentArn = CkJsonObjectW_stringOf(jResp,L"contentSummaries[i].contentArn");
        contentId = CkJsonObjectW_stringOf(jResp,L"contentSummaries[i].contentId");
        contentType = CkJsonObjectW_stringOf(jResp,L"contentSummaries[i].contentType");
        knowledgeBaseArn = CkJsonObjectW_stringOf(jResp,L"contentSummaries[i].knowledgeBaseArn");
        knowledgeBaseId = CkJsonObjectW_stringOf(jResp,L"contentSummaries[i].knowledgeBaseId");
        v_String = CkJsonObjectW_stringOf(jResp,L"contentSummaries[i].metadata.string");
        name = CkJsonObjectW_stringOf(jResp,L"contentSummaries[i].name");
        revisionId = CkJsonObjectW_stringOf(jResp,L"contentSummaries[i].revisionId");
        status = CkJsonObjectW_stringOf(jResp,L"contentSummaries[i].status");
        tagsString = CkJsonObjectW_stringOf(jResp,L"contentSummaries[i].tags.string");
        title = CkJsonObjectW_stringOf(jResp,L"contentSummaries[i].title");
        i = i + 1;
    }

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

    // {
    //   "contentSummaries": [
    //     {
    //       "contentArn": "string",
    //       "contentId": "string",
    //       "contentType": "string",
    //       "knowledgeBaseArn": "string",
    //       "knowledgeBaseId": "string",
    //       "metadata": {
    //         "string": "string"
    //       },
    //       "name": "string",
    //       "revisionId": "string",
    //       "status": "string",
    //       "tags": {
    //         "string": "string"
    //       },
    //       "title": "string"
    //     }
    //   ],
    //   "nextToken": "string"
    // }


    CkRestW_Dispose(rest);
    CkAuthAwsW_Dispose(authAws);
    CkStringBuilderW_Dispose(sbResponseBody);
    CkJsonObjectW_Dispose(jResp);

    }