<?xml version='1.0' encoding='UTF-8'   ?>

<s:config>
    <s id="001">
        <name value="001 s"></name>
        <image value="001image.jpg"></image>
    </s>
</s:config>

 import  org.w3c.dom.*;

 import  javax.xml.parsers.DocumentBuilderFactory;
 import  javax.xml.parsers.DocumentBuilder;
 import  java.io.File;
 import  java.util.Enumeration;
 import  java.util.Vector;

 public   class  XmlRead {
    Element root =  null ;
     public  XmlRead(String fileName) {
        File xmlFile =  new  File(fileName);

        Document doc =  null ;
         try {

            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
            DocumentBuilder db = dbf.newDocumentBuilder();

            doc = db.parse(xmlFile);
            root = doc.getDocumentElement();
            System.out.println("root : "+root );
            NodeList children = root.getChildNodes();
            stepThrough(root);

        } catch  (Exception e) {
            System.out.print("Problem parsing the file: "+e.getMessage());
        }
    }
     private    void  stepThrough (Node start){
        System.out.println(start.getNodeName()+" = "+start.getNodeValue());
           if  (start.getNodeType() == start.ELEMENT_NODE)
              {
                NamedNodeMap startAttr = start.getAttributes();
                 for  ( int  i =  0 ;
                     i < startAttr.getLength();
                     i++) {
                  Node attr = startAttr.item(i);
                  System.out.println(" Attribute: "+ attr.getNodeName()
                      +" = "+attr.getNodeValue());
                }
              }

         for  (Node child = start.getFirstChild();
             child !=  null ;
             child = child.getNextSibling())
        {
          stepThrough(child);
        }
      }


 public   Boolean  updateService(String serviceId,String serviceName,
                                    String serviceImage){

           String packageId =  new  String();
             int  index =  0 ;  
             for  (Node child = root.getFirstChild(); child !=  null ; child = child.getNextSibling()){

                if  (child.getNodeName().equals("service"))
                 {
                   NamedNodeMap childAttr = child.getAttributes();
                    for  ( int  i =  0 ;i < childAttr.getLength();i++){
                       Node attr = childAttr.item(i);
                        if (attr.getNodeName().equals("id")&&(attr.getNodeValue().equals(serviceId))){
                            for  (Node childInside = child.getFirstChild();childInside !=  null ;
                                childInside = childInside.getNextSibling()){
                                if ((childInside.getNodeName().equals("name")&&
                                       (childInside.getNodeType() == childInside.ELEMENT_NODE))){
                                   childAttr = childInside.getAttributes();
                                    for  ( i =  0 ;i < childAttr.getLength();i++){
                                       Node attrCh = childAttr.item(i);
                                        if ((attrCh.getNodeName().equals("value"))){
                                            System.out.println(attrCh.getNodeValue());
                                           attrCh.setNodeValue(serviceName);
                                            System.out.println(attrCh.getNodeValue());

                                       }
                                   }

                               }
                            }
                        }
                    }
                }

            }
            NodeList orders = root.getElementsByTagName("service");
             for  ( int  orderNum =  0 ;orderNum < orders.getLength();orderNum++){
                Element thisOrder = (Element)orders.item(orderNum);
                NodeList orderItems = thisOrder.getElementsByTagName("image");
                 double  total =  0 ;
                 for  ( int  itemNum =  0 ;itemNum < orderItems.getLength();itemNum++) {
                     Element thisOrderItem = (Element)orderItems.item(itemNum);
                     System.out.println(thisOrderItem.getAttribute("value"));
                     thisOrderItem.setAttribute("value", serviceImage);
                     System.out.println(thisOrderItem.getAttribute("value"));

                }
            }

            return   new   Boolean (true);

       }
  public   static   void  main(String[] args){
        XmlRead hh =  new  XmlRead("c:/XmlParser/classes/Services.xml");

       hh.updateService("001","hhh","888");
        
    }
}