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Dart

Move XML Subtree to Another XML Document

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

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Dart
import 'package:chilkat/chilkat.dart';

void main() {
  // 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.
  final srcXml = CkXml();
  srcXml.tag = 'soapenv:Envelope';
  srcXml.addAttribute('xmlns:soapenv', 'http://schemas.xmlsoap.org/soap/envelope/');
  srcXml.updateChildContent('soapenv:Header', '');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse', true, 'xmlns', 'http://www.midoco.de/crm');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse', true, 'xmlns:tns', 'http://www.midoco.de/ws');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer', true, 'addresseeLine1', 'Max Mustermann');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer', true, 'addresseeLine2', '');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer', true, 'changingUser', '123456');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress', true, 'addressId', '2225355');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress', true, 'addressTypeId', '1');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress', true, 'checkStatus', 'O');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress', true, 'city', 'Wien');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress', true, 'countryCode', 'AT');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmAddress', true, 'customerId', '000071');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmPerson', true, 'birthDay', '30');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmPerson', true, 'birthMonth', '8');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmPerson', true, 'birthYear', '1977');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmPerson', true, 'birthday', '1977-08-30T00:00:00.000+02:00');
  srcXml.updateAttrAt('soapenv:Body|GetCustomerResponse|CrmCustomer|CrmPerson', true, '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>

  final destXml = CkXml();
  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', true, '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
  final CkXml crmCust;
  try {
    crmCust = srcXml.findChild('soapenv:Body|GetCustomerResponse|CrmCustomer');
  } on ChilkatException {
    print('Failed to find CrmCustomer element.');
    return;
  }

  // Navigate to SaveCustomerRequest
  final CkXml crmSaveCust;
  try {
    crmSaveCust = destXml.findChild('SOAP-ENV:Body|SaveCustomerRequest');
  } on ChilkatException {
    print('Failed to find SaveCustomerRequest element.');
    return;
  }

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

  // Look at the resulting destXml.  You can see the CrmCustomer subtree moved to underneath SaveCustomerRequest.
  print(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.
  print(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>
}