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DataFlex

Add a Query Parameter to a REST Request

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Demonstrates Rest.AddQueryParam, which adds or replaces a query-string parameter. The 1st argument is the parameter name and the 2nd is its value; Chilkat URL-encodes both as needed.

Background. For a GET request the accumulated parameters are appended to the URL query string. For a form-url-encoded request the same parameters form the request body.

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DataFlex
Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoRest
    Boolean iBTls
    Boolean iBAutoReconnect
    String sResponseText
    String sTemp1
    Boolean bTemp1

    Move False To iSuccess

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

    //  Connect to the REST server.  The 3rd argument enables TLS (use True for HTTPS on port 443),
    //  and the 4th enables automatic reconnection if the connection is dropped between requests.
    Move True To iBTls
    Move True To iBAutoReconnect
    Get ComConnect Of hoRest "example.com" 443 iBTls iBAutoReconnect To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  Add query-string parameters.  The 1st argument is the parameter name and the 2nd is its value.
    //  Chilkat automatically URL-encodes names and values as needed.
    Get ComAddQueryParam Of hoRest "q" "chilkat rest" To iSuccess
    Get ComAddQueryParam Of hoRest "limit" "10" To iSuccess

    //  For a GET request the parameters are appended to the URL query string.
    Get ComFullRequestNoBody Of hoRest "GET" "/api/search" To sResponseText
    Get ComLastMethodSuccess Of hoRest To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln sResponseText


End_Procedure