Chilkat Online Tools

ListGateways VB.NET Example

AWS Storage Gateway

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

' URL: https://storagegateway.us-west-2.amazonaws.com/
' Use the same region as specified above.
success = rest.Connect("storagegateway.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("Limit",123)
json.UpdateString("Marker","string")

' The JSON request body created by the above code:

' {
'   "Limit": number,
'   "Marker": "string"
' }

rest.AddHeader("Content-Type","application/x-amz-json-1.1")
rest.AddHeader("X-Amz-Target","StorageGateway_20130630.ListGateways")

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 Ec2InstanceId As String
Dim Ec2InstanceRegion As String
Dim GatewayARN As String
Dim GatewayId As String
Dim GatewayName As String
Dim GatewayOperationalState As String
Dim GatewayType As String
Dim HostEnvironment As String
Dim HostEnvironmentId As String

Dim Marker As String = jResp.StringOf("Marker")
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("Gateways")
While i < count_i
    jResp.I = i
    Ec2InstanceId = jResp.StringOf("Gateways[i].Ec2InstanceId")
    Ec2InstanceRegion = jResp.StringOf("Gateways[i].Ec2InstanceRegion")
    GatewayARN = jResp.StringOf("Gateways[i].GatewayARN")
    GatewayId = jResp.StringOf("Gateways[i].GatewayId")
    GatewayName = jResp.StringOf("Gateways[i].GatewayName")
    GatewayOperationalState = jResp.StringOf("Gateways[i].GatewayOperationalState")
    GatewayType = jResp.StringOf("Gateways[i].GatewayType")
    HostEnvironment = jResp.StringOf("Gateways[i].HostEnvironment")
    HostEnvironmentId = jResp.StringOf("Gateways[i].HostEnvironmentId")
    i = i + 1
End While


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

' {
'   "Gateways": [
'     {
'       "Ec2InstanceId": "string",
'       "Ec2InstanceRegion": "string",
'       "GatewayARN": "string",
'       "GatewayId": "string",
'       "GatewayName": "string",
'       "GatewayOperationalState": "string",
'       "GatewayType": "string",
'       "HostEnvironment": "string",
'       "HostEnvironmentId": "string"
'     }
'   ],
'   "Marker": "string"
' }