Chilkat Online Tools

ListDatastores Xojo Example

AWS IoT Analytics

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

Dim rest As New Chilkat.Rest
Dim success As Boolean

Dim authAws As New Chilkat.AuthAws
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.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.)
authAws.Region = "us-west-2"
authAws.ServiceName = "iotanalytics"
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
success = rest.SetAuthAws(authAws)

// URL: https://iotanalytics.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = rest.Connect("iotanalytics.us-west-2.amazonaws.com",443,True,True)
If (success <> True) Then
    System.DebugLog("ConnectFailReason: " + Str(rest.ConnectFailReason))
    System.DebugLog(rest.LastErrorText)
    Return
End If

success = rest.AddHeader("Content-Type","application/x-amz-json-1.1")
success = rest.AddHeader("X-Amz-Target","ListDatastores")

Dim sbResponseBody As New Chilkat.StringBuilder
success = rest.FullRequestNoBodySb("GET","/datastores",sbResponseBody)
If (success <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

Dim respStatusCode As Int32
respStatusCode = rest.ResponseStatusCode
System.DebugLog("response status code = " + Str(respStatusCode))
If (respStatusCode <> 200) Then
    System.DebugLog("Response Header:")
    System.DebugLog(rest.ResponseHeader)
    System.DebugLog("Response Body:")
    System.DebugLog(sbResponseBody.GetAsString())
    Return
End If

Dim jResp As New Chilkat.JsonObject
success = 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

Dim creationTime As Int32
Dim datastoreName As String
Dim Bucket As String
Dim KeyPrefix As String
Dim RoleArn As String
Dim CustomerManagedS3StorageBucket As String
Dim CustomerManagedS3StorageKeyPrefix As String
Dim fileFormatType As String
Dim lastMessageArrivalTime As Int32
Dim lastUpdateTime As Int32
Dim status As String
Dim j As Int32
Dim count_j As Int32
Dim AttributeName As String
Dim timestampPartitionAttributeName As String
Dim TimestampFormat As String

Dim nextToken As String
nextToken = jResp.StringOf("nextToken")
Dim i As Int32
i = 0
Dim count_i As Int32
count_i = jResp.SizeOfArray("datastoreSummaries")
While i < count_i
    jResp.I = i
    creationTime = jResp.IntOf("datastoreSummaries[i].creationTime")
    datastoreName = jResp.StringOf("datastoreSummaries[i].datastoreName")
    Bucket = jResp.StringOf("datastoreSummaries[i].datastoreStorage.customerManagedS3.bucket")
    KeyPrefix = jResp.StringOf("datastoreSummaries[i].datastoreStorage.customerManagedS3.keyPrefix")
    RoleArn = jResp.StringOf("datastoreSummaries[i].datastoreStorage.customerManagedS3.roleArn")
    CustomerManagedS3StorageBucket = jResp.StringOf("datastoreSummaries[i].datastoreStorage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.bucket")
    CustomerManagedS3StorageKeyPrefix = jResp.StringOf("datastoreSummaries[i].datastoreStorage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.keyPrefix")
    fileFormatType = jResp.StringOf("datastoreSummaries[i].fileFormatType")
    lastMessageArrivalTime = jResp.IntOf("datastoreSummaries[i].lastMessageArrivalTime")
    lastUpdateTime = jResp.IntOf("datastoreSummaries[i].lastUpdateTime")
    status = jResp.StringOf("datastoreSummaries[i].status")
    j = 0
    count_j = jResp.SizeOfArray("datastoreSummaries[i].datastorePartitions.partitions")
    While j < count_j
        jResp.J = j
        AttributeName = jResp.StringOf("datastoreSummaries[i].datastorePartitions.partitions[j].attributePartition.attributeName")
        timestampPartitionAttributeName = jResp.StringOf("datastoreSummaries[i].datastorePartitions.partitions[j].timestampPartition.attributeName")
        TimestampFormat = jResp.StringOf("datastoreSummaries[i].datastorePartitions.partitions[j].timestampPartition.timestampFormat")
        j = j + 1
    Wend
    i = i + 1
Wend

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

// {
//   "datastoreSummaries": [
//     {
//       "creationTime": number,
//       "datastoreName": "string",
//       "datastorePartitions": {
//         "partitions": [
//           {
//             "attributePartition": {
//               "attributeName": "string"
//             },
//             "timestampPartition": {
//               "attributeName": "string",
//               "timestampFormat": "string"
//             }
//           }
//         ]
//       },
//       "datastoreStorage": {
//         "customerManagedS3": {
//           "bucket": "string",
//           "keyPrefix": "string",
//           "roleArn": "string"
//         },
//         "iotSiteWiseMultiLayerStorage": {
//           "customerManagedS3Storage": {
//             "bucket": "string",
//             "keyPrefix": "string"
//           }
//         },
//         "serviceManagedS3": {}
//       },
//       "fileFormatType": "string",
//       "lastMessageArrivalTime": number,
//       "lastUpdateTime": number,
//       "status": "string"
//     }
//   ],
//   "nextToken": "string"
// }