Pascal (Lazarus/Delphi)

Royal Mail OBA Web Service -- Get Contracts

See more Royal Mail OBA Examples

Royal Mail OBA Web Service -- Get the contracts for an account. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.HttpResponse,
  Chilkat.Xml;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  xml: TXml;
  http: THttp;
  endpointUrl: string;
  resp: THttpResponse;
  serviceName: string;
  serviceReg: string;
  serviceLevel: string;
  contract: string;
  i: Integer;
  numContracts: Integer;

begin
  success := False;

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

  //  Create the following XML:

  //  <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:epro="urn:schemas-royalmail-com/webservice/epro">
  //     <soapenv:Header>
  //        <epro:Authentication>
  //           <epro:Username>my_username</epro:Username>
  //           <epro:Password>my_password</epro:Password>
  //           <epro:AccessCode>my_accessCode</epro:AccessCode>
  //           <epro:Version>1.0</epro:Version>
  //           <epro:SecurityToken>mysecuritytoken</epro:SecurityToken>
  //        </epro:Authentication>
  //     </soapenv:Header>
  //     <soapenv:Body>
  //        <epro:GetContracts>
  //          <epro:Account>account_number</epro:Account>
  //        </epro:GetContracts>
  //     </soapenv:Body>
  //  </soapenv:Envelope>

  xml := TXml.Create;
  xml.EmitXmlDecl := False;
  xml.Tag := 'soapenv:Envelope';
  xml.AddAttribute('xmlns:soapenv','http://schemas.xmlsoap.org/soap/envelope/');
  xml.AddAttribute('xmlns:epro','urn:schemas-royalmail-com/webservice/epro');

  //  Replace my_username, my_password, and my_accessCode with your actual values.  Do not replace "mysecuritytoken".
  xml.UpdateChildContent('soapenv:Header|epro:Authentication|epro:Username','my_username');
  xml.UpdateChildContent('soapenv:Header|epro:Authentication|epro:Password','my_password');
  xml.UpdateChildContent('soapenv:Header|epro:Authentication|epro:AccessCode','my_accessCode');
  xml.UpdateChildContent('soapenv:Header|epro:Authentication|epro:Version','1.0');

  //  Literally use the string "mysecuritytoken" here.
  xml.UpdateChildContent('soapenv:Header|epro:Authentication|epro:SecurityToken','mysecuritytoken');
  xml.UpdateChildContent('soapenv:Body|epro:GetContracts|epro:Account','account_number');

  http := THttp.Create;

  http.SetRequestHeader('SOAPAction','urn:schemas-royalmail-com/webservice/epro/GetContracts');

  //  Use the sandbox endpoint:   http://interfaces.oba-v.royalmail.com/legacyws/EProImport.asmx 
  //  The live endpoint would be: http://www.epro.royalmail.com/WebServices/import/eproimport.asmx
  endpointUrl := 'http://interfaces.oba-v.royalmail.com/legacyws/EProImport.asmx';

  resp := THttpResponse.Create;
  success := http.HttpStr('POST',endpointUrl,xml.GetXml(),'utf-8','text/xml',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  WriteLn('response status code = ' + resp.StatusCode);
  WriteLn(resp.BodyStr);

  //  The response looks like this:

  //  <?xml version="1.0" encoding="utf-8"?>
  //  <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  //      <SOAP-ENV:Header/>
  //      <SOAP-ENV:Body>
  //          <ns1:GetContractsResponse xmlns:ns1="urn:schemas-royalmail-com/webservice/epro">
  //              <ns1:GetContractsResult Version="1">
  //                  <ns1:Contracts>
  //                      <ns1:ContractDetails ServiceName="ADV MAIL + RESPONSE UNSORTED 2C" ServiceReg="AC2" ServiceLevel="01" Contract="DEMOTEST1"/>
  //                      <ns1:ContractDetails ServiceName="PLANNED ENVELOPE POLL CARD MMK-2C      " ServiceReg="AG0" ServiceLevel="01" Contract=""/>
  //  			...
  //                  </ns1:Contracts>
  //              </ns1:GetContractsResult>
  //          </ns1:GetContractsResponse>
  //      </SOAP-ENV:Body>
  //  </SOAP-ENV:Envelope>

  //  

  xml.LoadXml(resp.BodyStr);

  i := 0;
  numContracts := xml.NumChildrenHavingTag('SOAP-ENV:Body|ns1:GetContractsResponse|ns1:GetContractsResult|ns1:Contracts|ns1:ContractDetails');
  while i < numContracts do
    begin
      xml.I := i;
      serviceName := xml.ChilkatPath('SOAP-ENV:Body|ns1:GetContractsResponse|ns1:GetContractsResult|ns1:Contracts|ns1:ContractDetails[i]|(ServiceName)');
      serviceReg := xml.ChilkatPath('SOAP-ENV:Body|ns1:GetContractsResponse|ns1:GetContractsResult|ns1:Contracts|ns1:ContractDetails[i]|(ServiceReg)');
      serviceLevel := xml.ChilkatPath('SOAP-ENV:Body|ns1:GetContractsResponse|ns1:GetContractsResult|ns1:Contracts|ns1:ContractDetails[i]|(ServiceLevel)');
      contract := xml.ChilkatPath('SOAP-ENV:Body|ns1:GetContractsResponse|ns1:GetContractsResult|ns1:Contracts|ns1:ContractDetails[i]|(Contract)');
      WriteLn(serviceName);
      i := i + 1;
    end;



  xml.Free;
  http.Free;
  resp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.