Visual FoxPro

Extract and Save PDF from SOAP XML

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Demonstrates how to extract and save PDF file that is embedded in SOAP XML (or any XML). Visual FoxPro

LOCAL lnSuccess
LOCAL loXml
LOCAL loPdfElement

lnSuccess = 0

loXml = CreateObject('Chilkat.Xml')

lnSuccess = loXml.LoadXmlFile("qa_data/soap/soapWithPdf.xml")
IF (lnSuccess <> 1) THEN
    ? loXml.LastErrorText
    RELEASE loXml
    CANCEL
ENDIF

* The XML we loaded looks like this:

* <?xml version="1.0" encoding="utf-8" ?>
* <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
*     <s:Body>
*         <ObtenerPDFResponse xmlns="http://xyz.org/">
*             <ObtenerPDFResult xmlns:a="http://schemas.xyz.org/something" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
*                 <a:CBB i:nil="true" />
*                 <a:CodigoConfirmacion i:nil="true" />
*                 <a:ErrorDetallado />
*                 <a:ErrorGeneral i:nil="true" />
*                 <a:FechaGenerada i:nil="true" />
*                 <a:FolioGenerado i:nil="true" />
*                 <a:OperacionExitosa>true</a:OperacionExitosa>
*                 <a:PDF>JVBERi0xLjQKJe...</a:PDF>
*                 <a:XML i:nil="true" />
*             </ObtenerPDFResult>
*         </ObtenerPDFResponse>
*     </s:Body>
* </s:Envelope>

loPdfElement = loXml.FindChild("s:Body|ObtenerPDFResponse|ObtenerPDFResult|a:PDF")
IF (loXml.LastMethodSuccess <> 1) THEN
    ? "Did not find the PDF element at the expected location."
    RELEASE loXml
    CANCEL
ENDIF

lnSuccess = loPdfElement.SaveBinaryContent("qa_output/out.pdf",0,0,"")
IF (lnSuccess <> 1) THEN
    ? loXml.LastErrorText
    RELEASE loXml
    CANCEL
ENDIF

? "Successfully extracted and saved the PDF."

RELEASE loXml