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Swift

Send a REST Request with a Binary Body

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Demonstrates Rest.FullRequestBd, which sends a complete request whose binary body is read from a BinData and stores the text response body in a StringBuilder.

The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background. FullRequestBd is used when the request payload is binary, such as an image or other file, while the response is textual (for example a JSON acknowledgement).

Chilkat Swift Downloads

Swift

func chilkatTest() {
    var success: Bool = false

    let rest = CkoRest()!
    var bTls: Bool = true
    var bAutoReconnect: Bool = true
    success = rest.connect(hostname: "example.com", port: 443, tls: bTls, autoReconnect: bAutoReconnect)
    if success == false {
        print("\(rest.lastErrorText!)")
        return
    }

    //  The file paths are relative to the application's current working directory.  Absolute paths
    //  may also be used.  Supply the paths appropriate to your own environment.

    //  FullRequestBd sends a request whose binary body is read from a BinData and stores the text
    //  response body in a StringBuilder.
    let bdRequest = CkoBinData()!
    var bLoaded: Bool = bdRequest.loadFile(path: "qa_data/image.png")
    if bLoaded != true {
        print("Failed to load the request body file.")
        return
    }

    rest.addHeader(name: "Content-Type", value: "image/png")

    let sbResponse = CkoStringBuilder()!
    success = rest.fullRequestBd(httpVerb: "PUT", uriPath: "/api/images/1", binData: bdRequest, responseBody: sbResponse)
    if success == false {
        print("\(rest.lastErrorText!)")
        return
    }

    var responseText: String? = sbResponse.getAsString()
    if sbResponse.lastMethodSuccess == false {
        print("\(sbResponse.lastErrorText!)")
        return
    }

    print("\(responseText!)")

}