public   void  SaveDocument()
  {
    File fold= new  File(file_name);
    FileOutputStream save= null ;
     int  i=file_name.indexOf(".");
    String file_ext=file_name.substring(i+ 1 );
    fold.renameTo( new  File(file_name.substring( 0 ,i)+".~"+file_ext));
    TransformerFactory tfactory = TransformerFactory.newInstance();
    Transformer transformer =  null ;

    File file =  new  File(file_name);
     try  {
      transformer = tfactory.newTransformer();
      transformer.setOutputProperty(OutputKeys.ENCODING,"windows-1251");

    }  catch (TransformerConfigurationException e) {}

     try  {
    save =  new  FileOutputStream( new  File(file_name));
    }  catch  (IOException e) {}

    StreamResult result =  null ;
     try  {
      result =  new  StreamResult( new   OutputStreamWriter(save, "windows-1251"));
//      result = new StreamResult(new java.io.FileWriter(file_name));
    }  catch (IOException e) {}
     try  {
      transformer.transform( new  DOMSource(document), result);
    }  catch (TransformerException e) {}
    transformer= null ;
    result= null ;
  }
}

 import  java.io.*;

// JAXP
 import  javax.swing.tree.*;
 import  org.xml.sax.*;
 import  javax.xml.parsers.*;
 import  javax.xml.transform.*;
 import  javax.xml.transform.dom.*;
 import  javax.xml.transform.stream.*;
 import  javax.imageio.metadata.*;
// DOM
 import  org.w3c.dom.*;

 public   class  RepRep {
  //****************************************************************************
  //поля
  Document document;