(Swift 3,4,5...) Xero Get File Content (Files API)

Demonstrates how to download the content of a Xero file.

Note: This example requires Chilkat v9.5.0.64 or greater.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // Note: Requires Chilkat v9.5.0.64 or greater.

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

    let rest = CkoRest()!
    var success: Bool

    // Before sending REST API calls, the REST object needs to be
    // initialized for OAuth1.
    // See Xero 2-Legged OAuth1 Setup for sample code.

    // Assuming the REST object's OAuth1 authenticator is setup, and the initial
    // connection was made, we may now send REST HTTP requests..

    // ------------------------------------------------------------------------------
    var fileID: String? = "f042e9a3-a31d-4595-b8b3-6030ea6084bb"

    let sbPath = CkoStringBuilder()!
    sbPath.append("/files.xro/1.0/Files/{FileId}/Content")
    var numReplaced: Int = sbPath.replace("{FileId}", replacement: fileID).intValue

    let jpgData = CkoBinData()!
    success = rest.fullRequestNoBodyBd("GET", uriPath: sbPath.getAsString(), binData: jpgData)
    if success != true {
        print("\(rest.lastErrorText!)")
        return
    }

    // A 200 response is expected for actual success.
    // If we don't get a 200 response, then the response body was not actually
    // the file data, but it was text containing error information.
    if rest.responseStatusCode.intValue != 200 {
        let sbErrorText = CkoStringBuilder()!
        sbErrorText.appendBd(jpgData, charset: "utf-8", offset: 0, numBytes: 0)
        print("\(sbErrorText.getAsString()!)")
        print("-- Failed.")
        return
    }

    // Save to a local file.
    success = jpgData.writeFile("qa_output/xero_penguins.jpg")
    if success != true {
        print("Failed to save to local file.")
    }

    print("Xero Get File was Successful.")

}