Chilkat Online Tools

CreateFunction Go Example

AWS AppSync

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

    // URL: https://appsync.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("appsync.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("dataSourceName","string")
    json.UpdateString("description","string")
    json.UpdateString("functionVersion","string")
    json.UpdateInt("maxBatchSize",123)
    json.UpdateString("name","string")
    json.UpdateString("requestMappingTemplate","string")
    json.UpdateString("responseMappingTemplate","string")
    json.UpdateString("syncConfig.conflictDetection","string")
    json.UpdateString("syncConfig.conflictHandler","string")
    json.UpdateString("syncConfig.lambdaConflictHandlerConfig.lambdaConflictHandlerArn","string")

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

    // {
    //   "dataSourceName": "string",
    //   "description": "string",
    //   "functionVersion": "string",
    //   "maxBatchSize": number,
    //   "name": "string",
    //   "requestMappingTemplate": "string",
    //   "responseMappingTemplate": "string",
    //   "syncConfig": {
    //     "conflictDetection": "string",
    //     "conflictHandler": "string",
    //     "lambdaConflictHandlerConfig": {
    //       "lambdaConflictHandlerArn": "string"
    //     }
    //   }
    // }

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

    sbRequestBody := chilkat.NewStringBuilder()
    json.EmitSb(sbRequestBody)
    sbResponseBody := chilkat.NewStringBuilder()
    success = rest.FullRequestSb("POST","/v1/apis/{apiId}/functions",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

    DataSourceName := jResp.StringOf("functionConfiguration.dataSourceName")
    Description := jResp.StringOf("functionConfiguration.description")
    FunctionArn := jResp.StringOf("functionConfiguration.functionArn")
    FunctionId := jResp.StringOf("functionConfiguration.functionId")
    FunctionVersion := jResp.StringOf("functionConfiguration.functionVersion")
    MaxBatchSize := jResp.IntOf("functionConfiguration.maxBatchSize")
    Name := jResp.StringOf("functionConfiguration.name")
    RequestMappingTemplate := jResp.StringOf("functionConfiguration.requestMappingTemplate")
    ResponseMappingTemplate := jResp.StringOf("functionConfiguration.responseMappingTemplate")
    ConflictDetection := jResp.StringOf("functionConfiguration.syncConfig.conflictDetection")
    ConflictHandler := jResp.StringOf("functionConfiguration.syncConfig.conflictHandler")
    LambdaConflictHandlerArn := jResp.StringOf("functionConfiguration.syncConfig.lambdaConflictHandlerConfig.lambdaConflictHandlerArn")

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

    // {
    //   "functionConfiguration": {
    //     "dataSourceName": "string",
    //     "description": "string",
    //     "functionArn": "string",
    //     "functionId": "string",
    //     "functionVersion": "string",
    //     "maxBatchSize": number,
    //     "name": "string",
    //     "requestMappingTemplate": "string",
    //     "responseMappingTemplate": "string",
    //     "syncConfig": {
    //       "conflictDetection": "string",
    //       "conflictHandler": "string",
    //       "lambdaConflictHandlerConfig": {
    //         "lambdaConflictHandlerArn": "string"
    //       }
    //     }
    //   }
    // }

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