Chilkat Online Tools

DescribeEventAggregates VB.NET Example

AWS Health

' 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 = "health"
' SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws)

' URL: https://health.us-west-2.amazonaws.com/
' Use the same region as specified above.
success = rest.Connect("health.us-west-2.amazonaws.com",443,True,True)
If (success <> True) Then
    Debug.WriteLine("ConnectFailReason: " & rest.ConnectFailReason)
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


' 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

Dim json As New Chilkat.JsonObject
json.UpdateString("aggregateField","string")
json.UpdateString("filter.availabilityZones[0]","string")
json.UpdateInt("filter.endTimes[0].from",123)
json.UpdateInt("filter.endTimes[0].to",123)
json.UpdateString("filter.entityArns[0]","string")
json.UpdateString("filter.entityValues[0]","string")
json.UpdateString("filter.eventArns[0]","string")
json.UpdateString("filter.eventStatusCodes[0]","string")
json.UpdateString("filter.eventTypeCategories[0]","string")
json.UpdateString("filter.eventTypeCodes[0]","string")
json.UpdateInt("filter.lastUpdatedTimes[0].from",123)
json.UpdateInt("filter.lastUpdatedTimes[0].to",123)
json.UpdateString("filter.regions[0]","string")
json.UpdateString("filter.services[0]","string")
json.UpdateInt("filter.startTimes[0].from",123)
json.UpdateInt("filter.startTimes[0].to",123)
json.UpdateString("filter.tags[0].string","string")
json.UpdateInt("maxResults",123)
json.UpdateString("nextToken","string")

' The JSON request body created by the above code:

' {
'   "aggregateField": "string",
'   "filter": {
'     "availabilityZones": [
'       "string"
'     ],
'     "endTimes": [
'       {
'         "from": number,
'         "to": number
'       }
'     ],
'     "entityArns": [
'       "string"
'     ],
'     "entityValues": [
'       "string"
'     ],
'     "eventArns": [
'       "string"
'     ],
'     "eventStatusCodes": [
'       "string"
'     ],
'     "eventTypeCategories": [
'       "string"
'     ],
'     "eventTypeCodes": [
'       "string"
'     ],
'     "lastUpdatedTimes": [
'       {
'         "from": number,
'         "to": number
'       }
'     ],
'     "regions": [
'       "string"
'     ],
'     "services": [
'       "string"
'     ],
'     "startTimes": [
'       {
'         "from": number,
'         "to": number
'       }
'     ],
'     "tags": [
'       {
'         "string": "string"
'       }
'     ]
'   },
'   "maxResults": number,
'   "nextToken": "string"
' }

rest.AddHeader("Content-Type","application/x-amz-json-1.1")
rest.AddHeader("X-Amz-Target","AWSHealth_20160804.DescribeEventAggregates")

Dim sbRequestBody As New Chilkat.StringBuilder
json.EmitSb(sbRequestBody)
Dim sbResponseBody As New Chilkat.StringBuilder
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
If (success <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If

Dim respStatusCode As Integer = rest.ResponseStatusCode
Debug.WriteLine("response status code = " & respStatusCode)
If (respStatusCode <> 200) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(rest.ResponseHeader)
    Debug.WriteLine("Response Body:")
    Debug.WriteLine(sbResponseBody.GetAsString())
    Exit Sub
End If


Dim jResp As New Chilkat.JsonObject
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 aggregateValue As String
Dim count As Integer

Dim nextToken As String = jResp.StringOf("nextToken")
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("eventAggregates")
While i < count_i
    jResp.I = i
    aggregateValue = jResp.StringOf("eventAggregates[i].aggregateValue")
    count = jResp.IntOf("eventAggregates[i].count")
    i = i + 1
End While


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

' {
'   "eventAggregates": [
'     {
'       "aggregateValue": "string",
'       "count": number
'     }
'   ],
'   "nextToken": "string"
' }