Chilkat Online Tools

BatchDetectDominantLanguage Go Example

Amazon Comprehend

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

    rest := chilkat.NewRest()
    var success bool

    authAws := chilkat.NewAuthAws()
    authAws.SetAccessKey("AWS_ACCESS_KEY")
    authAws.SetSecretKey("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.SetRegion("us-west-2")
    authAws.SetServiceName("comprehend")
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    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,true,true)
    if success != true {
        fmt.Println("ConnectFailReason: ", rest.ConnectFailReason())
        fmt.Println(rest.LastErrorText())
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        return
    }

    // 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

    json := chilkat.NewJsonObject()
    json.UpdateString("TextList[0]","string")

    // The JSON request body created by the above code:

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

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

    sbRequestBody := chilkat.NewStringBuilder()
    json.EmitSb(sbRequestBody)
    sbResponseBody := chilkat.NewStringBuilder()
    success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
    if success != true {
        fmt.Println(rest.LastErrorText())
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        json.DisposeJsonObject()
        sbRequestBody.DisposeStringBuilder()
        sbResponseBody.DisposeStringBuilder()
        return
    }

    respStatusCode := rest.ResponseStatusCode()
    fmt.Println("response status code = ", respStatusCode)
    if respStatusCode != 200 {
        fmt.Println("Response Header:")
        fmt.Println(rest.ResponseHeader())
        fmt.Println("Response Body:")
        fmt.Println(*sbResponseBody.GetAsString())
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        json.DisposeJsonObject()
        sbRequestBody.DisposeStringBuilder()
        sbResponseBody.DisposeStringBuilder()
        return
    }

    jResp := chilkat.NewJsonObject()
    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

ErrorCode_DECLARATION
ErrorMessage_DECLARATION
    var Index int
    var j int
    var count_j int
LanguageCode_DECLARATION
    var Score int

    i := 0
    count_i := jResp.SizeOfArray("ErrorList")
    for i < count_i {
        jResp.SetI(i)
        ErrorCode = *jResp.StringOf("ErrorList[i].ErrorCode")
        ErrorMessage = *jResp.StringOf("ErrorList[i].ErrorMessage")
        Index = jResp.IntOf("ErrorList[i].Index")
        i = i + 1
    }

    i = 0
    count_i = jResp.SizeOfArray("ResultList")
    for i < count_i {
        jResp.SetI(i)
        Index = jResp.IntOf("ResultList[i].Index")
        j = 0
        count_j = jResp.SizeOfArray("ResultList[i].Languages")
        for j < count_j {
            jResp.SetJ(j)
            LanguageCode = *jResp.StringOf("ResultList[i].Languages[j].LanguageCode")
            Score = jResp.IntOf("ResultList[i].Languages[j].Score")
            j = j + 1
        }

        i = i + 1
    }

    // 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
    //         }
    //       ]
    //     }
    //   ]
    // }

    rest.DisposeRest()
    authAws.DisposeAuthAws()
    json.DisposeJsonObject()
    sbRequestBody.DisposeStringBuilder()
    sbResponseBody.DisposeStringBuilder()
    jResp.DisposeJsonObject()