Sample code for 30+ languages & platforms
Swift

Example: Http.ResumeDownload method

Demonstrates the ResumeDownload method.

Chilkat Swift Downloads

Swift

func chilkatTest() {
    var success: Bool = false

    let http = CkoHttp()!
    http.keepResponseBody = true

    // To demonstrate resuming a download, we've created a file on the chilkatsoft.com
    // web server that contains the first 82,379 bytes of the full  279,658 bytes of the hamlet.xml file.

    // We'll first download the partial file, and pretend it was a previous incomplete attempt to download the entire file.
    var localFilePath: String? = "c:/temp/qa_output/hamlet.xml"
    success = http.download(url: "https://www.chilkatsoft.com/testData/hamlet_partial.xml", saveToPath: localFilePath)
    if success == false {
        print("\(http.lastErrorText!)")
        return
    }

    // Download the remainder of hamlet.xml.
    success = http.resumeDownload(url: "https://www.chilkatsoft.com/testData/hamlet.xml", appendToPath: localFilePath)
    var statusCode: Int = http.lastStatus.intValue
    if success == false {
        if statusCode == 0 {
            // Unable to either send the request or get the response.
            print("\(http.lastErrorText!)")
        }
        else {
            // We got a response, but the status code was not in the 200s
            print("Response status code: \(statusCode)")
            // Examine the response body.
            print("Response body:")
            print("\(http.lastResponseBody!)")
        }

        print("Download failed.")

    }
    else {
        print("Download success, response status = \(statusCode)")
    }

    // The hamlet.xml file should be 279,658 bytes
    let fac = CkoFileAccess()!
    print("size of hamlet.xml: \(fac.fileSize(path: localFilePath).intValue)")

    print("Success.")

}