Source Code : Java DOM edit: Locate a Node and Change Its Content

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Java DOM edit: Locate a Node and Change Its Content

      
//Demo xml file
/*
<?xml version="1.0" standalone="yes"?>
<!DOCTYPE folks [
<!ELEMENT folks (person)*>
<!ELEMENT person (name | phone | email)*>
<!ELEMENT name (#PCDATA | bold)*>
<!ELEMENT phone (#PCDATA)>
<!ELEMENT email (#PCDATA)>
<!ELEMENT bold (#PCDATA)>
]>

<folks>
    <person>
        <name>Sam Spade</name>
        <email>samspade@website.com</email>
    </person>
    <person>
        <name>Sam Diamond</name>
        <email>samdiamond@website.com</email>
    </person>
    <person>
        <name>Sam Sonite</name>
        <email>samsonite@website.com</email>
    </person>
</folks>

*/
public void changeContent(Document doc,String newname,String newemail) {
    Element root = doc.getDocumentElement();
    NodeList rootlist = root.getChildNodes();
    for(int i=0; i<rootlist.getLength(); i++) {
        Element person = (Element)rootlist.item(i);
        NodeList personlist = person.getChildNodes();
        Element name = (Element)personlist.item(0);
        NodeList namelist = name.getChildNodes();
        Text nametext = (Text)namelist.item(0);
        String oldname = nametext.getData();
        if(oldname.equals(newname)) {
            Element email = (Element)personlist.item(1);
            NodeList emaillist = email.getChildNodes();
            Text emailtext = (Text)emaillist.item(0);
            emailtext.setData(newemail);
        }
    }
}


           
         
    
    
    
    
    
  

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