如何使用JDOM以相同的名称编写和获取具有相同名称的所有xml元素

Question

my xml file is as follows

<lexicon>
  <lexiconElement>
    <word>xxxx</word>
    <tag>NN
      <frequancy>3</frequancy>
    </tag>
    <tag>VB
      <frequancy>2</frequancy>
    </tag>
  </lexiconElement>
</lexicon>

i need to know how to append many elements to same level in the same xml file when updating using JDOM and how to read those elements with the same name in same level using JDOM???

Answer 1

I hope this is what you are looking for.

try {

            SAXBuilder builder = new SAXBuilder();
            File xmlFile = new File("D:\\your_file.xml");

            Document doc = (Document) builder.build(xmlFile);
            Element rootNode = doc.getRootElement();

            Element lexiconElement = rootNode.getChild("lexiconElement");

            // 1. add new <tag> elements to xml
            Element newTag = new Element("your_new_tag").setText("your_new_tag_value");
            lexiconElement.addContent(newTag);

            // 2. Update the text between <frequancy> in perticular tag
            //lexiconElement.getChild("tag").getChild("frequancy").setText("9");

            // 2. Update the text between <frequancy> in all tag
            List<Element> list = lexiconElement.getChildren("tag");
            for(Element elm : list){
                elm.getChild("frequancy").setText("324");
            }

            // 3. Update the text between <word>
            lexiconElement.getChild("word").setText("yyyy");

            XMLOutputter xmlOutput = new XMLOutputter();

            xmlOutput.output(doc, new FileWriter("D:\\your_file.xml"));

            System.out.println("*********Done************");
        } catch (IOException io) {
            io.printStackTrace();
        } catch (JDOMException e) {
            e.printStackTrace();
        }