PureBasic

Google Translate Text

See more Google Translate Examples

Demonstrates how to use the Cloud Translation API to translate text from one spoken language to another. The example translates from English to Spanish. PureBasic

IncludeFile "CkHttpResponse.pb"
IncludeFile "CkHttp.pb"
IncludeFile "CkJsonObject.pb"

Procedure ChilkatExample()

    success.i = 0

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

    ; --------------------------------------------------------------------------------
    ; IMPORTANT: 
    ; Don't forget you need to 1st enable the Cloud Translation API in your Google Developers Console at https://console.cloud.google.com
    ; --------------------------------------------------------------------------------

    ; It is assumed we previously obtained an OAuth2 access token.
    ; This example loads the JSON access token file 
    jsonToken.i = CkJsonObject::ckCreate()
    If jsonToken.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkJsonObject::ckLoadFile(jsonToken,"qa_data/tokens/_googleTranslate.json")
    If success <> 1
        Debug "Failed to load _googleTranslate.json"
        CkJsonObject::ckDispose(jsonToken)
        ProcedureReturn
    EndIf

    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkHttp::setCkAuthToken(http, CkJsonObject::ckStringOf(jsonToken,"access_token"))

    ; The following JSON is sent in the request body.

    ; {
    ;     "q": "The quick brown fox jumped over the lazy dog.",
    ;     "source": "en",
    ;     "target": "es",
    ;     "format": "text"
    ; }

    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; The following code creates the JSON request body.
    CkJsonObject::ckUpdateString(json,"q","The quick brown fox jumped over the lazy dog.")
    CkJsonObject::ckUpdateString(json,"source","en")
    CkJsonObject::ckUpdateString(json,"target","es")
    CkJsonObject::ckUpdateString(json,"format","text")

    CkJsonObject::setCkEmitCompact(json, 0)
    Debug CkJsonObject::ckEmit(json)

    resp.i = CkHttpResponse::ckCreate()
    If resp.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkHttp::ckHttpJson(http,"POST","https://translation.googleapis.com/language/translate/v2",json,"application/json",resp)
    If success = 0
        Debug CkHttp::ckLastErrorText(http)
        CkJsonObject::ckDispose(jsonToken)
        CkHttp::ckDispose(http)
        CkJsonObject::ckDispose(json)
        CkHttpResponse::ckDispose(resp)
        ProcedureReturn
    EndIf

    jResp.i = CkJsonObject::ckCreate()
    If jResp.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkHttpResponse::ckGetBodyJson(resp,jResp)
    CkJsonObject::setCkEmitCompact(jResp, 0)

    Debug "Response Body:"
    Debug CkJsonObject::ckEmit(jResp)

    respStatusCode.i = CkHttpResponse::ckStatusCode(resp)
    Debug "Response Status Code = " + Str(respStatusCode)
    If respStatusCode >= 400
        Debug "Response Header:"
        Debug CkHttpResponse::ckHeader(resp)
        Debug "Failed."
        CkJsonObject::ckDispose(jsonToken)
        CkHttp::ckDispose(http)
        CkJsonObject::ckDispose(json)
        CkHttpResponse::ckDispose(resp)
        CkJsonObject::ckDispose(jResp)
        ProcedureReturn
    EndIf

    ; Sample JSON response:
    ; (Sample code for parsing the JSON response is shown below)

    ; {
    ;   "data": {
    ;     "translations": [
    ;       {
    ;         "translatedText": "El zorro r�pida salt� sobre el perro perezoso."
    ;       }
    ;     ]
    ;   }
    ; }

    translatedText.s

    i.i = 0
    n.i = CkJsonObject::ckSizeOfArray(jResp,"data.translations")
    While i < n
        CkJsonObject::setCkI(jResp, i)
        translatedText = CkJsonObject::ckStringOf(jResp,"data.translations[i].translatedText")
        Debug translatedText
        i = i + 1
    Wend


    CkJsonObject::ckDispose(jsonToken)
    CkHttp::ckDispose(http)
    CkJsonObject::ckDispose(json)
    CkHttpResponse::ckDispose(resp)
    CkJsonObject::ckDispose(jResp)


    ProcedureReturn
EndProcedure