GetMetricData Foxpro Example
                            
                            LOCAL loRest
LOCAL lnSuccess
LOCAL loAuthAws
LOCAL loJson
LOCAL loSbRequestBody
LOCAL loSbResponseBody
LOCAL lnRespStatusCode
LOCAL loJResp
LOCAL lcChannel
LOCAL lcArn
LOCAL lcId
LOCAL j
LOCAL lnCount_j
LOCAL lcName
LOCAL lcStatistic
LOCAL lcComparison
LOCAL lnThresholdValue
LOCAL lcUnit
LOCAL lnValue
LOCAL lcNextToken
LOCAL i
LOCAL lnCount_i
* This example requires the Chilkat API to have been previously unlocked.
* See Global Unlock Sample for sample code.
loRest = CreateObject('Chilkat_9_5_0.Rest')
loAuthAws = CreateObject('Chilkat_9_5_0.AuthAws')
loAuthAws.AccessKey = "AWS_ACCESS_KEY"
loAuthAws.SecretKey = "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.)
loAuthAws.Region = "us-west-2"
loAuthAws.ServiceName = "connect"
* SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
loRest.SetAuthAws(loAuthAws)
* URL: https://connect.us-west-2.amazonaws.com/
* Use the same region as specified above.
lnSuccess = loRest.Connect("connect.us-west-2.amazonaws.com",443,1,1)
IF (lnSuccess <> 1) THEN
    ? "ConnectFailReason: " + STR(loRest.ConnectFailReason)
    ? loRest.LastErrorText
    RELEASE loRest
    RELEASE loAuthAws
    CANCEL
ENDIF
* 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
loJson = CreateObject('Chilkat_9_5_0.JsonObject')
loJson.UpdateInt("EndTime",123)
loJson.UpdateString("Filters.Channels[0]","string")
loJson.UpdateString("Filters.Queues[0]","string")
loJson.UpdateString("Groupings[0]","string")
loJson.UpdateString("HistoricalMetrics[0].Name","string")
loJson.UpdateString("HistoricalMetrics[0].Statistic","string")
loJson.UpdateString("HistoricalMetrics[0].Threshold.Comparison","string")
loJson.UpdateInt("HistoricalMetrics[0].Threshold.ThresholdValue",123)
loJson.UpdateString("HistoricalMetrics[0].Unit","string")
loJson.UpdateInt("MaxResults",123)
loJson.UpdateString("NextToken","string")
loJson.UpdateInt("StartTime",123)
* The JSON request body created by the above code:
* {
*   "EndTime": number,
*   "Filters": {
*     "Channels": [
*       "string"
*     ],
*     "Queues": [
*       "string"
*     ]
*   },
*   "Groupings": [
*     "string"
*   ],
*   "HistoricalMetrics": [
*     {
*       "Name": "string",
*       "Statistic": "string",
*       "Threshold": {
*         "Comparison": "string",
*         "ThresholdValue": number
*       },
*       "Unit": "string"
*     }
*   ],
*   "MaxResults": number,
*   "NextToken": "string",
*   "StartTime": number
* }
loRest.AddHeader("Content-Type","application/x-amz-json-1.1")
loRest.AddHeader("X-Amz-Target","GetMetricData")
loSbRequestBody = CreateObject('Chilkat_9_5_0.StringBuilder')
loJson.EmitSb(loSbRequestBody)
loSbResponseBody = CreateObject('Chilkat_9_5_0.StringBuilder')
lnSuccess = loRest.FullRequestSb("POST","/metrics/historical/{InstanceId}",loSbRequestBody,loSbResponseBody)
IF (lnSuccess <> 1) THEN
    ? loRest.LastErrorText
    RELEASE loRest
    RELEASE loAuthAws
    RELEASE loJson
    RELEASE loSbRequestBody
    RELEASE loSbResponseBody
    CANCEL
ENDIF
lnRespStatusCode = loRest.ResponseStatusCode
? "response status code = " + STR(lnRespStatusCode)
IF (lnRespStatusCode <> 200) THEN
    ? "Response Header:"
    ? loRest.ResponseHeader
    ? "Response Body:"
    ? loSbResponseBody.GetAsString()
    RELEASE loRest
    RELEASE loAuthAws
    RELEASE loJson
    RELEASE loSbRequestBody
    RELEASE loSbResponseBody
    CANCEL
ENDIF
loJResp = CreateObject('Chilkat_9_5_0.JsonObject')
loJResp.LoadSb(loSbResponseBody)
* 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
lcNextToken = loJResp.StringOf("NextToken")
i = 0
lnCount_i = loJResp.SizeOfArray("MetricResults")
DO WHILE i < lnCount_i
    loJResp.I = i
    lcChannel = loJResp.StringOf("MetricResults[i].Dimensions.Channel")
    lcArn = loJResp.StringOf("MetricResults[i].Dimensions.Queue.Arn")
    lcId = loJResp.StringOf("MetricResults[i].Dimensions.Queue.Id")
    j = 0
    lnCount_j = loJResp.SizeOfArray("MetricResults[i].Collections")
    DO WHILE j < lnCount_j
        loJResp.J = j
        lcName = loJResp.StringOf("MetricResults[i].Collections[j].Metric.Name")
        lcStatistic = loJResp.StringOf("MetricResults[i].Collections[j].Metric.Statistic")
        lcComparison = loJResp.StringOf("MetricResults[i].Collections[j].Metric.Threshold.Comparison")
        lnThresholdValue = loJResp.IntOf("MetricResults[i].Collections[j].Metric.Threshold.ThresholdValue")
        lcUnit = loJResp.StringOf("MetricResults[i].Collections[j].Metric.Unit")
        lnValue = loJResp.IntOf("MetricResults[i].Collections[j].Value")
        j = j + 1
    ENDDO
    i = i + 1
ENDDO
* A sample JSON response body parsed by the above code:
* {
*   "MetricResults": [
*     {
*       "Collections": [
*         {
*           "Metric": {
*             "Name": "string",
*             "Statistic": "string",
*             "Threshold": {
*               "Comparison": "string",
*               "ThresholdValue": number
*             },
*             "Unit": "string"
*           },
*           "Value": number
*         }
*       ],
*       "Dimensions": {
*         "Channel": "string",
*         "Queue": {
*           "Arn": "string",
*           "Id": "string"
*         }
*       }
*     }
*   ],
*   "NextToken": "string"
* }
RELEASE loRest
RELEASE loAuthAws
RELEASE loJson
RELEASE loSbRequestBody
RELEASE loSbResponseBody
RELEASE loJResp