Chilkat Online Tools

ListChannels PowerBuilder Example

AWS IoT Analytics

integer li_rc
oleobject loo_Rest
integer li_Success
oleobject loo_AuthAws
oleobject loo_SbResponseBody
integer li_RespStatusCode
oleobject loo_JResp
string ls_ChannelName
string ls_Bucket
string ls_KeyPrefix
string ls_RoleArn
integer li_CreationTime
integer li_LastMessageArrivalTime
integer li_LastUpdateTime
string ls_Status
string ls_NextToken
integer i
integer li_Count_i

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

loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat_9_5_0.Rest")
if li_rc < 0 then
    destroy loo_Rest
    MessageBox("Error","Connecting to COM object failed")
    return
end if

loo_AuthAws = create oleobject
li_rc = loo_AuthAws.ConnectToNewObject("Chilkat_9_5_0.AuthAws")

loo_AuthAws.AccessKey = "AWS_ACCESS_KEY"
loo_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.)
loo_AuthAws.Region = "us-west-2"
loo_AuthAws.ServiceName = "iotanalytics"
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
loo_Rest.SetAuthAws(loo_AuthAws)

// URL: https://iotanalytics.us-west-2.amazonaws.com/
// Use the same region as specified above.
li_Success = loo_Rest.Connect("iotanalytics.us-west-2.amazonaws.com",443,1,1)
if li_Success <> 1 then
    Write-Debug "ConnectFailReason: " + string(loo_Rest.ConnectFailReason)
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_AuthAws
    return
end if

loo_Rest.AddHeader("Content-Type","application/x-amz-json-1.1")
loo_Rest.AddHeader("X-Amz-Target","ListChannels")

loo_SbResponseBody = create oleobject
li_rc = loo_SbResponseBody.ConnectToNewObject("Chilkat_9_5_0.StringBuilder")

li_Success = loo_Rest.FullRequestNoBodySb("GET","/channels",loo_SbResponseBody)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_AuthAws
    destroy loo_SbResponseBody
    return
end if

li_RespStatusCode = loo_Rest.ResponseStatusCode
Write-Debug "response status code = " + string(li_RespStatusCode)
if li_RespStatusCode <> 200 then
    Write-Debug "Response Header:"
    Write-Debug loo_Rest.ResponseHeader
    Write-Debug "Response Body:"
    Write-Debug loo_SbResponseBody.GetAsString()
    destroy loo_Rest
    destroy loo_AuthAws
    destroy loo_SbResponseBody
    return
end if

loo_JResp = create oleobject
li_rc = loo_JResp.ConnectToNewObject("Chilkat_9_5_0.JsonObject")

loo_JResp.LoadSb(loo_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

ls_NextToken = loo_JResp.StringOf("nextToken")
i = 0
li_Count_i = loo_JResp.SizeOfArray("channelSummaries")
do while i < li_Count_i
    loo_JResp.I = i
    ls_ChannelName = loo_JResp.StringOf("channelSummaries[i].channelName")
    ls_Bucket = loo_JResp.StringOf("channelSummaries[i].channelStorage.customerManagedS3.bucket")
    ls_KeyPrefix = loo_JResp.StringOf("channelSummaries[i].channelStorage.customerManagedS3.keyPrefix")
    ls_RoleArn = loo_JResp.StringOf("channelSummaries[i].channelStorage.customerManagedS3.roleArn")
    li_CreationTime = loo_JResp.IntOf("channelSummaries[i].creationTime")
    li_LastMessageArrivalTime = loo_JResp.IntOf("channelSummaries[i].lastMessageArrivalTime")
    li_LastUpdateTime = loo_JResp.IntOf("channelSummaries[i].lastUpdateTime")
    ls_Status = loo_JResp.StringOf("channelSummaries[i].status")
    i = i + 1
loop

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

// {
//   "channelSummaries": [
//     {
//       "channelName": "string",
//       "channelStorage": {
//         "customerManagedS3": {
//           "bucket": "string",
//           "keyPrefix": "string",
//           "roleArn": "string"
//         },
//         "serviceManagedS3": {}
//       },
//       "creationTime": number,
//       "lastMessageArrivalTime": number,
//       "lastUpdateTime": number,
//       "status": "string"
//     }
//   ],
//   "nextToken": "string"
// }


destroy loo_Rest
destroy loo_AuthAws
destroy loo_SbResponseBody
destroy loo_JResp