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DataFlex Examples

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(DataFlex) 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 ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoRest
    Boolean iSuccess
    String sFileID
    Handle hoSbPath
    Integer iNumReplaced
    Variant vJpgData
    Handle hoJpgData
    Handle hoSbErrorText
    String sTemp1
    Integer iTemp1

    //  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.

    Get Create (RefClass(cComChilkatRest)) To hoRest
    If (Not(IsComObjectCreated(hoRest))) Begin
        Send CreateComObject of hoRest
    End

    //  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..

    //  ------------------------------------------------------------------------------
    Move "f042e9a3-a31d-4595-b8b3-6030ea6084bb" To sFileID

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbPath
    If (Not(IsComObjectCreated(hoSbPath))) Begin
        Send CreateComObject of hoSbPath
    End
    Get ComAppend Of hoSbPath "/files.xro/1.0/Files/{FileId}/Content" To iSuccess
    Get ComReplace Of hoSbPath "{FileId}" sFileID To iNumReplaced

    Get Create (RefClass(cComChilkatBinData)) To hoJpgData
    If (Not(IsComObjectCreated(hoJpgData))) Begin
        Send CreateComObject of hoJpgData
    End
    Get ComGetAsString Of hoSbPath To sTemp1
    Get pvComObject of hoJpgData to vJpgData
    Get ComFullRequestNoBodyBd Of hoRest "GET" sTemp1 vJpgData To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  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.
    Get ComResponseStatusCode Of hoRest To iTemp1
    If (iTemp1 <> 200) Begin
        Get Create (RefClass(cComChilkatStringBuilder)) To hoSbErrorText
        If (Not(IsComObjectCreated(hoSbErrorText))) Begin
            Send CreateComObject of hoSbErrorText
        End
        Get pvComObject of hoJpgData to vJpgData
        Get ComAppendBd Of hoSbErrorText vJpgData "utf-8" 0 0 To iSuccess
        Get ComGetAsString Of hoSbErrorText To sTemp1
        Showln sTemp1
        Showln "-- Failed."
        Procedure_Return
    End

    //  Save to a local file.
    Get ComWriteFile Of hoJpgData "qa_output/xero_penguins.jpg" To iSuccess
    If (iSuccess <> True) Begin
        Showln "Failed to save to local file."
    End

    Showln "Xero Get File was Successful."


End_Procedure

 

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