Chilkat Online Tools

BatchDetectDominantLanguage VB6 Example

Amazon Comprehend

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

Dim rest As New ChilkatRest
Dim success As Long

Dim authAws As New ChilkatAuthAws
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 = "comprehend"
' SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
success = rest.SetAuthAws(authAws)

' URL: https://comprehend.us-west-2.amazonaws.com/
' Use the same region as specified above.
success = rest.Connect("comprehend.us-west-2.amazonaws.com",443,1,1)
If (success <> 1) Then
    Debug.Print "ConnectFailReason: " & rest.ConnectFailReason
    Debug.Print 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 ChilkatJsonObject
success = json.UpdateString("TextList[0]","string")

' The JSON request body created by the above code:

' {
'   "TextList": [
'     "string"
'   ]
' }

success = rest.AddHeader("Content-Type","application/x-amz-json-1.1")
success = rest.AddHeader("X-Amz-Target","Comprehend_20171127.BatchDetectDominantLanguage")

Dim sbRequestBody As New ChilkatStringBuilder
success = json.EmitSb(sbRequestBody)
Dim sbResponseBody As New ChilkatStringBuilder
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
If (success <> 1) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

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

Dim jResp As New ChilkatJsonObject
success = 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 ErrorCode As String
Dim ErrorMessage As String
Dim Index As Long
Dim j As Long
Dim count_j As Long
Dim LanguageCode As String
Dim Score As Long

Dim i As Long
i = 0
Dim count_i As Long
count_i = jResp.SizeOfArray("ErrorList")
Do While i < count_i
    jResp.I = i
    ErrorCode = jResp.StringOf("ErrorList[i].ErrorCode")
    ErrorMessage = jResp.StringOf("ErrorList[i].ErrorMessage")
    Index = jResp.IntOf("ErrorList[i].Index")
    i = i + 1
Loop
i = 0
count_i = jResp.SizeOfArray("ResultList")
Do While i < count_i
    jResp.I = i
    Index = jResp.IntOf("ResultList[i].Index")
    j = 0
    count_j = jResp.SizeOfArray("ResultList[i].Languages")
    Do While j < count_j
        jResp.J = j
        LanguageCode = jResp.StringOf("ResultList[i].Languages[j].LanguageCode")
        Score = jResp.IntOf("ResultList[i].Languages[j].Score")
        j = j + 1
    Loop
    i = i + 1
Loop

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

' {
'   "ErrorList": [
'     {
'       "ErrorCode": "string",
'       "ErrorMessage": "string",
'       "Index": number
'     }
'   ],
'   "ResultList": [
'     {
'       "Index": number,
'       "Languages": [
'         {
'           "LanguageCode": "string",
'           "Score": number
'         }
'       ]
'     }
'   ]
' }