(Delphi ActiveX) Move XML Subtree to Another XML Document

Demonstrates using the InsertChildTreeBefore method to move a fragment of XML from one document to another.

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

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
srcXml: TChilkatXml;
destXml: TChilkatXml;
crmCust: IChilkatXml;
crmSaveCust: IChilkatXml;

begin
// Source XML is this:

// <?xml version='1.0' encoding='UTF-8'?>
// <soapenv:Envelope xmlns:"soapenv="http://schemas.xmlsoap.org/soap/envelope/">
//               <soapenv:Header/>
//               <soapenv:Body>
//                             <GetCustomerResponse xmlns="http://www.midoco.de/crm" xmlns:tns="http://www.midoco.de/ws">
//                                           <CrmCustomer addresseeLine1="Max Mustermann" addresseeLine2="" changingUser="123456" >
//                                                          <CrmAddress addressId="2225355" addressTypeId="1" checkStatus="O" city="Wien" countryCode="AT" customerId="000071"/>
//                                                          <CrmPerson birthDay="30" birthMonth="8" birthYear="1977" birthday="1977-08-30T00:00:00.000+02:00" birthdayNotProvided="false"/>
//                                           </CrmCustomer>
//                           </GetCustomerResponse>
//               </soapenv:Body>
// </soapenv:Envelope>

// Build the source XML.
srcXml := TChilkatXml.Create(Self);
srcXml.Tag := 'soapenv:Envelope';
srcXml.AddAttribute('xmlns:soapenv','http://schemas.xmlsoap.org/soap/envelope/');
srcXml.UpdateChildContent('soapenv:Header','');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse',1,'xmlns','http://www.midoco.de/crm');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse',1,'xmlns:tns','http://www.midoco.de/ws');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer',1,'addresseeLine1','Max Mustermann');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer',1,'addresseeLine2','');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer',1,'changingUser','123456');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress',1,'addressId','2225355');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress',1,'addressTypeId','1');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress',1,'checkStatus','O');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress',1,'city','Wien');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress',1,'countryCode','AT');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress',1,'customerId','000071');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmPerson',1,'birthDay','30');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmPerson',1,'birthMonth','8');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmPerson',1,'birthYear','1977');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmPerson',1,'birthday','1977-08-30T00:00:00.000+02:00');
srcXml.UpdateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmPerson',1,'birthdayNotProvided','false');

// Destination XML is 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:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
//     <SOAP-ENV:Header>
//         <m:Credentials xmlns:m="http://www.midoco.de/system">
//             <m:Login>User</m:Login>
//             <m:Password>Pass</m:Password>
//             <m:OrgUnit>ABC</m:OrgUnit>
//             <m:Locale>de_DE</m:Locale>
//         </m:MidocoCredentials>
//     </SOAP-ENV:Header>
//     <SOAP-ENV:Body>
//         <SaveCustomerRequest>
//         </SaveCustomerRequest>
//     </SOAP-ENV:Body>
// </SOAP-ENV:Envelope>

destXml := TChilkatXml.Create(Self);
destXml.Tag := 'SOAP-ENV:Envelope';
destXml.AddAttribute('xmlns:SOAP-ENV','http://schemas.xmlsoap.org/soap/envelope/');
destXml.AddAttribute('xmlns:SOAP-ENC','http://schemas.xmlsoap.org/soap/encoding/');
destXml.AddAttribute('xmlns:xsi','http://www.w3.org/2001/XMLSchema-instance');
destXml.AddAttribute('xmlns:xsd','http://www.w3.org/2001/XMLSchema');
destXml.UpdateAttrAt('SOAP-ENV:Header|m:Credentials',1,'xmlns:m','http://www.midoco.de/system');
destXml.UpdateChildContent('SOAP-ENV:Header|m:Credentials|m:Login','User');
destXml.UpdateChildContent('SOAP-ENV:Header|m:Credentials|m:Password','Pass');
destXml.UpdateChildContent('SOAP-ENV:Header|m:Credentials|m:OrgUnit','ABC');
destXml.UpdateChildContent('SOAP-ENV:Header|m:Credentials|m:Locale','de_DE');
destXml.UpdateChildContent('SOAP-ENV:Body|SaveCustomerRequest','');

// We want to move the "CrmCustomer" subtree in the source XML to inside the "SaveCustomerRequest" element in the destination.

// Navigate to CrmCustomer
crmCust := srcXml.FindChild('soapenv:Body|GetCustomerResponse|CrmCustomer');
if (srcXml.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add('Failed to find CrmCustomer element.');
    Exit;
  end;

// Navigate to SaveCustomerRequest
crmSaveCust := destXml.FindChild('SOAP-ENV:Body|SaveCustomerRequest');
if (destXml.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add('Failed to find SaveCustomerRequest element.');
    Exit;
  end;

// Move CrmCustomer tree to SaveCustomerRequest.
crmSaveCust.InsertChildTreeBefore(0,crmCust);

// Look at the resulting destXml.  You can see the CrmCustomer subtree moved to underneath SaveCustomerRequest.
Memo1.Lines.Add(destXml.GetXml());

// <?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:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
//     <SOAP-ENV:Header>
//         <m:Credentials xmlns:m="http://www.midoco.de/system">
//             <m:Login>User</m:Login>
//             <m:Password>Pass</m:Password>
//             <m:OrgUnit>ABC</m:OrgUnit>
//             <m:Locale>de_DE</m:Locale>
//         </m:Credentials>
//     </SOAP-ENV:Header>
//     <SOAP-ENV:Body>
//         <SaveCustomerRequest>
//             <CrmCustomer addresseeLine1="Max Mustermann" addresseeLine2="" changingUser="123456">
//                 <CrmAddress addressId="2225355" addressTypeId="1" checkStatus="O" city="Wien" countryCode="AT" customerId="000071"/>
//                 <CrmPerson birthDay="30" birthMonth="8" birthYear="1977" birthday="1977-08-30T00:00:00.000+02:00" birthdayNotProvided="false"/>
//             </CrmCustomer>
//         </SaveCustomerRequest>
//     </SOAP-ENV:Body>
// </SOAP-ENV:Envelope>

// Look at the resulting srcXml.  The CrmCustomer subtree was removed.
Memo1.Lines.Add(srcXml.GetXml());

// <?xml version="1.0" encoding="utf-8"?>
// <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
//     <soapenv:Header/>
//     <soapenv:Body>
//         <GetCustomerResponse xmlns="http://www.midoco.de/crm" xmlns:tns="http://www.midoco.de/ws"/>
//     </soapenv:Body>
// </soapenv:Envelope>
end;