Chilkat Online Tools

ListDatasetContents PureBasic Example

AWS IoT Analytics

IncludeFile "CkJsonObject.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkRest.pb"
IncludeFile "CkAuthAws.pb"

Procedure ChilkatExample()

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

    rest.i = CkRest::ckCreate()
    If rest.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success.i

    authAws.i = CkAuthAws::ckCreate()
    If authAws.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkAuthAws::setCkAccessKey(authAws, "AWS_ACCESS_KEY")
    CkAuthAws::setCkSecretKey(authAws, "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.)
    CkAuthAws::setCkRegion(authAws, "us-west-2")
    CkAuthAws::setCkServiceName(authAws, "iotanalytics")
    ; SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    CkRest::ckSetAuthAws(rest,authAws)

    ; URL: https://iotanalytics.us-west-2.amazonaws.com/
    ; Use the same region as specified above.
    success = CkRest::ckConnect(rest,"iotanalytics.us-west-2.amazonaws.com",443,1,1)
    If success <> 1
        Debug "ConnectFailReason: " + Str(CkRest::ckConnectFailReason(rest))
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        CkAuthAws::ckDispose(authAws)
        ProcedureReturn
    EndIf

    CkRest::ckAddHeader(rest,"Content-Type","application/x-amz-json-1.1")
    CkRest::ckAddHeader(rest,"X-Amz-Target","ListDatasetContents")

    sbResponseBody.i = CkStringBuilder::ckCreate()
    If sbResponseBody.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkRest::ckFullRequestNoBodySb(rest,"GET","/datasets/{datasetName}/contents",sbResponseBody)
    If success <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        CkAuthAws::ckDispose(authAws)
        CkStringBuilder::ckDispose(sbResponseBody)
        ProcedureReturn
    EndIf

    respStatusCode.i = CkRest::ckResponseStatusCode(rest)
    Debug "response status code = " + Str(respStatusCode)
    If respStatusCode <> 200
        Debug "Response Header:"
        Debug CkRest::ckResponseHeader(rest)
        Debug "Response Body:"
        Debug CkStringBuilder::ckGetAsString(sbResponseBody)
        CkRest::ckDispose(rest)
        CkAuthAws::ckDispose(authAws)
        CkStringBuilder::ckDispose(sbResponseBody)
        ProcedureReturn
    EndIf

    jResp.i = CkJsonObject::ckCreate()
    If jResp.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoadSb(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

    completionTime.i
    creationTime.i
    scheduleTime.i
    Reason.s
    State.s
    version.s

    nextToken.s = CkJsonObject::ckStringOf(jResp,"nextToken")
    i.i = 0
    count_i.i = CkJsonObject::ckSizeOfArray(jResp,"datasetContentSummaries")
    While i < count_i
        CkJsonObject::setCkI(jResp, i)
        completionTime = CkJsonObject::ckIntOf(jResp,"datasetContentSummaries[i].completionTime")
        creationTime = CkJsonObject::ckIntOf(jResp,"datasetContentSummaries[i].creationTime")
        scheduleTime = CkJsonObject::ckIntOf(jResp,"datasetContentSummaries[i].scheduleTime")
        Reason = CkJsonObject::ckStringOf(jResp,"datasetContentSummaries[i].status.reason")
        State = CkJsonObject::ckStringOf(jResp,"datasetContentSummaries[i].status.state")
        version = CkJsonObject::ckStringOf(jResp,"datasetContentSummaries[i].version")
        i = i + 1
    Wend

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

    ; {
    ;   "datasetContentSummaries": [
    ;     {
    ;       "completionTime": number,
    ;       "creationTime": number,
    ;       "scheduleTime": number,
    ;       "status": {
    ;         "reason": "string",
    ;         "state": "string"
    ;       },
    ;       "version": "string"
    ;     }
    ;   ],
    ;   "nextToken": "string"
    ; }


    CkRest::ckDispose(rest)
    CkAuthAws::ckDispose(authAws)
    CkStringBuilder::ckDispose(sbResponseBody)
    CkJsonObject::ckDispose(jResp)


    ProcedureReturn
EndProcedure