(Delphi DLL) SOAP sendBill Call to sunat.gob.pe

Demonstrates how to make a SOAP call to sunat.gob.pe for the sendBill method.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, HttpResponse, Xml;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
success: Boolean;
xml: HCkXml;
strXml: PWideChar;
endPoint: PWideChar;
resp: HCkHttpResponse;
responseStatusCode: Integer;
xmlResp: HCkXml;

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

// --------------------------------------------------------------------------------
// Also see Chilkat's Online WSDL Code Generator
// to generate code and SOAP Request and Response XML for each operation in a WSDL.
// --------------------------------------------------------------------------------

http := CkHttp_Create();

// The SOAP XML will look like this:
// <?xml version="1.0" encoding="utf-8"?>
// <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ser="http://service.sunat.gob.pe">
//     <soapenv:Header/>
//     
//     <soapenv:Body>
//         <ser:sendBill>
//             <fileName>20601523999-03-B001-00000002.zip</fileName>
//             <contentFile>UEsDBBQ ... AAAAA==</contentFile>
//         </ser:sendBill>
//     </soapenv:Body>
// </soapenv:Envelope>

// Build the above SOAP XML.
xml := CkXml_Create();
CkXml_putTag(xml,'soapenv:Envelope');
CkXml_AddAttribute(xml,'xmlns:soapenv','http://schemas.xmlsoap.org/soap/envelope/');
CkXml_AddAttribute(xml,'xmlns:ser','http://service.sunat.gob.pe');
CkXml_UpdateChildContent(xml,'soapenv:Header','');
CkXml_UpdateChildContent(xml,'soapenv:Body|ser:sendBill|fileName','20601523999-03-B001-00000002.zip');
CkXml_UpdateChildContent(xml,'soapenv:Body|ser:sendBill|contentFile','UEsDBBQ ... AAAAA==');

// Alternatively, load the XML from a file.  (Remove this line if you wish to build the XML as shown above.)
success := CkXml_LoadXmlFile(xml,'qa_data/soap/envio_sunat_peru.xml');

strXml := CkXml__getXml(xml);

CkHttp_SetRequestHeader(http,'SOAPAction','urn:sendBill');
CkHttp_SetRequestHeader(http,'Content-Type','text/xml; charset=utf-8');

endPoint := 'https://e-beta.sunat.gob.pe/ol-ti-itcpfegem-beta/billService';

resp := CkHttp_PostXml(http,endPoint,strXml,'utf-8');
if (CkHttp_getLastMethodSuccess(http) <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Memo1.Lines.Add('LastHeader:');
    Memo1.Lines.Add(CkHttp__lastHeader(http));
    Exit;
  end;

responseStatusCode := CkHttpResponse_getStatusCode(resp);

// You may wish to verify that the responseStatusCode equals 200...
Memo1.Lines.Add('Response Status Code: ' + IntToStr(responseStatusCode));

// You may examine the exact HTTP header sent with the POST like this:
Memo1.Lines.Add('LastHeader:');
Memo1.Lines.Add(CkHttp__lastHeader(http));

// Examine the XML returned by the web service:
Memo1.Lines.Add('XML Response:');
xmlResp := CkXml_Create();
CkXml_LoadXml(xmlResp,CkHttpResponse__bodyStr(resp));
Memo1.Lines.Add(CkXml__getXml(xmlResp));

// Use this online tool to generate parsing code from response XML: 
// Generate Parsing Code from XML

CkHttpResponse_Dispose(resp);

CkHttp_Dispose(http);
CkXml_Dispose(xml);
CkXml_Dispose(xmlResp);

end;