Chilkat Online Tools

ListChannelMessages VB.NET Example

Amazon Chime

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

' URL: https://chime.us-west-2.amazonaws.com/
' Use the same region as specified above.
success = rest.Connect("chime.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


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

Dim sbResponseBody As New Chilkat.StringBuilder
success = rest.FullRequestNoBodySb("GET","/channels/{channelArn}/messages",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 Content As String
Dim CreatedTimestamp As Integer
Dim LastEditedTimestamp As Integer
Dim LastUpdatedTimestamp As Integer
Dim MessageId As String
Dim Metadata As String
Dim Redacted As Integer
Dim Arn As String
Dim Name As String
Dim v_Type As String

Dim ChannelArn As String = jResp.StringOf("ChannelArn")
Dim NextToken As String = jResp.StringOf("NextToken")
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("ChannelMessages")
While i < count_i
    jResp.I = i
    Content = jResp.StringOf("ChannelMessages[i].Content")
    CreatedTimestamp = jResp.IntOf("ChannelMessages[i].CreatedTimestamp")
    LastEditedTimestamp = jResp.IntOf("ChannelMessages[i].LastEditedTimestamp")
    LastUpdatedTimestamp = jResp.IntOf("ChannelMessages[i].LastUpdatedTimestamp")
    MessageId = jResp.StringOf("ChannelMessages[i].MessageId")
    Metadata = jResp.StringOf("ChannelMessages[i].Metadata")
    Redacted = jResp.IntOf("ChannelMessages[i].Redacted")
    Arn = jResp.StringOf("ChannelMessages[i].Sender.Arn")
    Name = jResp.StringOf("ChannelMessages[i].Sender.Name")
    v_Type = jResp.StringOf("ChannelMessages[i].Type")
    i = i + 1
End While


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

' {
'   "ChannelArn": "string",
'   "ChannelMessages": [
'     {
'       "Content": "string",
'       "CreatedTimestamp": number,
'       "LastEditedTimestamp": number,
'       "LastUpdatedTimestamp": number,
'       "MessageId": "string",
'       "Metadata": "string",
'       "Redacted": boolean,
'       "Sender": {
'         "Arn": "string",
'         "Name": "string"
'       },
'       "Type": "string"
'     }
'   ],
'   "NextToken": "string"
' }