(Swift) Transition from Http.PostJson2 to Http.HttpStr

Provides instructions for replacing deprecated PostJson2 method calls with HttpStr.

Note: This example requires Chilkat v11.0.0 or greater.

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func chilkatTest() {
    let http = CkoHttp()!

    var url: String? = "https://example.com/something"
    var contentType: String? = "application/json"
    var jsonText: String? = "{ ... }"

    // ------------------------------------------------------------------------
    // The PostJson2 method is deprecated:

    var responseObj: CkoHttpResponse? = http.postJson2(url, contentType: contentType, jsonText: jsonText)
    if http.lastMethodSuccess == false {
        print("\(http.lastErrorText!)")
        return
    }

    // ...
    // ...

    responseObj = nil

    // ------------------------------------------------------------------------
    // Do the equivalent using HttpStr.
    // Your application creates a new, empty HttpResponse object which is passed 
    // in the last argument and filled upon success.

    let responseOut = CkoHttpResponse()!
    var success: Bool = http.httpStr("POST", url: url, bodyStr: jsonText, charset: "utf-8", contentType: contentType, response: responseOut)
    if success == false {
        print("\(http.lastErrorText!)")
        return
    }


}