Java HTML / XML How to - Change values of inner node of a xml using jdom

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Question

We would like to know how to change values of inner node of a xml using jdom.

Answer

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import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.input.SAXBuilder;
import org.jdom2.output.Format;
import org.jdom2.output.XMLOutputter;

public class Main {
  public static void main(String[] args) throws Exception {

    File xml = new File("yourFile.xml");

    Document doc = (Document) new SAXBuilder().build(xml);
    Element rootNode = doc.getRootElement();
    List list = rootNode.getChildren("staff");
    XMLOutputter xmlOut = new XMLOutputter();

    for (int i = 0; i < list.size(); i++) {

      Element node = (Element) list.get(i);
      if (node.getChildText("firstname").equals("sanjay"))
        node.getChild("salary").getChild("basic").setText("250000");
      xmlOut.setFormat(Format.getPrettyFormat());
      xmlOut.output(doc, new FileWriter("yourFile.xml"));
    }
  }
}

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