Chilkat Online Tools

DescribeObjects VB.NET Example

AWS Data Pipeline

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

' URL: https://datapipeline.us-west-2.amazonaws.com/
' Use the same region as specified above.
success = rest.Connect("datapipeline.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.UpdateInt("evaluateExpressions",123)
json.UpdateString("marker","string")
json.UpdateString("objectIds[0]","string")
json.UpdateString("pipelineId","string")

' The JSON request body created by the above code:

' {
'   "evaluateExpressions": boolean,
'   "marker": "string",
'   "objectIds": [
'     "string"
'   ],
'   "pipelineId": "string"
' }

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

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 id As String
Dim name As String
Dim j As Integer
Dim count_j As Integer
Dim key As String
Dim refValue As String
Dim stringValue As String

Dim hasMoreResults As Integer = jResp.IntOf("hasMoreResults")
Dim marker As String = jResp.StringOf("marker")
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("pipelineObjects")
While i < count_i
    jResp.I = i
    id = jResp.StringOf("pipelineObjects[i].id")
    name = jResp.StringOf("pipelineObjects[i].name")
    j = 0
    count_j = jResp.SizeOfArray("pipelineObjects[i].fields")
    While j < count_j
        jResp.J = j
        key = jResp.StringOf("pipelineObjects[i].fields[j].key")
        refValue = jResp.StringOf("pipelineObjects[i].fields[j].refValue")
        stringValue = jResp.StringOf("pipelineObjects[i].fields[j].stringValue")
        j = j + 1
    End While
    i = i + 1
End While


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

' {
'   "hasMoreResults": boolean,
'   "marker": "string",
'   "pipelineObjects": [
'     {
'       "fields": [
'         {
'           "key": "string",
'           "refValue": "string",
'           "stringValue": "string"
'         }
'       ],
'       "id": "string",
'       "name": "string"
'     }
'   ]
' }