Remplacer la valeur d'un attribut dans un fichier xml utilisant DOM

<?xml version="1.0" encoding="UTF-8"?>
<process
    name="FunctionProcess"
    targetNamespace="http://FunctionProcess.bpel"
    xmlns="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    xmlns:sxt="http://www.sun.com/wsbpel/2.0/process/executable/SUNExtension/Trace" 
    xmlns:sxed="http://www.sun.com/wsbpel/2.0/process/executable/SUNExtension/Editor"
    xmlns:tns="http://FunctionProcess.bpel" xmlns:ns0="http://AdderService.wsdl" xmlns:ns1="http://MultiplierService.wsdl" xmlns:ns2="http://SquareService.wsdl" xmlns:ns3="http://www.example.org/messages" xmlns:ns4="http://ws.apache.org/axis2" xmlns:bpel="http://docs.oasis-open.org/wsbpel/2.0/process/executable">
    <import namespace="http://FunctionProcessService.wsdl" location="FunctionProcessService.wsdl" importType="http://schemas.xmlsoap.org/wsdl/"/>
    <import namespace="http://AdderService.wsdl" location="AdderService.wsdl" importType="http://schemas.xmlsoap.org/wsdl/"/>
    <import namespace="http://MultiplierService.wsdl" location="MultiplierService.wsdl" importType="http://schemas.xmlsoap.org/wsdl/"/>
    <import namespace="http://SquareService.wsdl" location="SquareService.wsdl" importType="http://schemas.xmlsoap.org/wsdl/"/>
    <partnerLinks>
        <partnerLink name="SquarePartnerLink" xmlns:ns2="http://SquareService.wsdl" partnerLinkType="ns2:SquareServicePartnerlinkType" partnerRole="squareRole"/>
        <partnerLink name="MultiplierPartnerLink" xmlns:ns1="http://MultiplierService.wsdl" partnerLinkType="ns1:MultiplierServicePartnerlinkType" partnerRole="multiplierRole"/>
        <partnerLink name="AdderPartnerLink" xmlns:ns0="http://AdderService.wsdl" partnerLinkType="ns0:AdderServicePartnerlinkType" partnerRole="adderRole"/>
        <partnerLink name="FunctionProcessPartnerLink" xmlns:tns="http://FunctionProcessService.wsdl" partnerLinkType="tns:FunctionProcessService" myRole="FunctionProcessServicePortTypeRole"/>
    </partnerLinks>
    <variables>
        <variable name="FunctionProcessServiceOperationOutput" xmlns:tns="http://FunctionProcessService.wsdl" messageType="tns:FunctionProcessServiceOperationResponse"/>
        <variable name="MultiplyOutput1" messageType="ns1:multiplyResponse"/>
        <variable name="MultiplyInput1" messageType="ns1:multiplyRequest"/>
        <variable name="FunctionProcessServiceOperationInput" xmlns:tns="http://FunctionProcessService.wsdl" messageType="tns:FunctionProcessServiceOperationRequest"/>
        <variable name="MultiplyOutput" xmlns:ns1="http://MultiplierService.wsdl" messageType="ns1:multiplyResponse"/>
        <variable name="MultiplyInput" xmlns:ns1="http://MultiplierService.wsdl" messageType="ns1:multiplyRequest"/>
        <variable name="SquareOutput" xmlns:ns2="http://SquareService.wsdl" messageType="ns2:squareResponse"/>
        <variable name="SquareInput" xmlns:ns2="http://SquareService.wsdl" messageType="ns2:squareRequest"/>
        <variable name="AddOutput" xmlns:ns0="http://AdderService.wsdl" messageType="ns0:addResponse"/>
        <variable name="AddInput" xmlns:ns0="http://AdderService.wsdl" messageType="ns0:addRequest"/>
    </variables>
       
</process>

import java.io.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
 
import javax.xml.parsers.*;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
 
import org.w3c.dom.*;
 
public class UpdateBPEL {
	
	static Document document;
	static org.jdom.Element racine;
	 
	 static void lireFichier(String fichier) throws Exception
	   {
	     File file = new File(fichier);
		  DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
		  DocumentBuilder db = dbf.newDocumentBuilder();
		  document = db.parse(file);
	   //   System.out.println("Root element : " +document.getDocumentElement().getNodeName());
	   }
 
	 static void updateElement(String element,String element1)
	 {
		 String ch1,ch2,ch3 ="";  
		 ch1="http://"+ element;
	     ch2="http://"+ element1;
	     long l;
	     
		
               
	             NodeList nodeLst = document.getElementsByTagName("partnerLink"); 	          
	             
	          
	            for (int s = 0; s < nodeLst.getLength(); s++) { //import
 
					    Node fstNode = nodeLst.item(s);
				  
				    if (fstNode.getNodeType() == Node.ELEMENT_NODE) {
				  
				     Element fstElmnt = (Element) fstNode;
				     
				     //System.out.println(" element : " +fstElmnt.getAttributes().getLength());
				      
				     l = fstElmnt.getAttributes().getLength();
					   //  System.out.println("lol "+l);
					     for (int h = 0; h <l; h++) { //import
						
							 Node  fNode= fstElmnt.getAttributes().item(h);
						   
						    
						    if (fNode.getNodeType() == Node.ATTRIBUTE_NODE) {
						  
							      Attr fElmnt = (Attr) fNode;
							      ch3 = fElmnt.getValue();							      
						     
						      if (ch3.equals(ch1)){
						        	// System.out.println("Result est "+ch3+"fElmnt.getName()=>"+fElmnt.getName()+"ch2 "+ch2);						        	 
						        	 fstElmnt.setAttribute(fElmnt.getName(), ch2);
					        	
						         }
						    	
						   }
						   }
						   
						  }
	            }
				  
	  }		 
 
 
	 public static void writeXmlFile(Document doc, String filename) {
	       try {
	           // Prepare the DOM document for writing
	           Source source = new DOMSource(doc);
 
	           // Prepare the output file
	           File file = new File(filename);
	           Result result = new StreamResult(file);
 
	           // Write the DOM document to the file
	           Transformer xformer = TransformerFactory.newInstance().newTransformer();
	           xformer.transform(source, result);
	       } catch (TransformerConfigurationException e) {
	       } catch (TransformerException e) {
	       }
	   }
	 
	public static void main(String[] args) {
	
		
		  try
	       {
	          lireFichier("E:\\Workspace\\FunctionProcesstest.bpel");
	        	       
  		     
	          updateElement("AdderService.wsdl","AdderService1.wsdl");
	    
	          writeXmlFile(document,"E:\\Workspace\\FunctionProcesstest2.bpel");
	        }
	       catch (Exception e) {
			    e.printStackTrace();
			  }
 
	}
 
}
 

<partnerLinks>
<partnerLink name="SquarePartnerLink" partnerLinkType="ns2:SquareServicePartnerlinkType" partnerRole="squareRole"/>
<partnerLink name="MultiplierPartnerLink" partnerLinkType="ns1:MultiplierServicePartnerlinkType" partnerRole="multiplierRole"/>
[b]<partnerLink xmlns:ns0="http://AdderService1.wsdl" name="AdderPartnerLink" partnerLinkType="ns0:AdderServicePartnerlinkType" partnerRole="adderRole"/>[/b]
<partnerLink xmlns:tns="http://FunctionProcessService.wsdl" myRole="FunctionProcessServicePortTypeRole" name="FunctionProcessPartnerLink" partnerLinkType="tns:FunctionProcessService"/>
</partnerLinks>