Output Document to String

In this chapter you will learn:

How to convert DOM Document to String

Convert Document to String

The following code wraps StringWriter to StreamResult. In this way we can convert DOM document to a string.

import java.io.StringWriter;
//from  j a v  a2s.co m
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

public class Main {
  private static void toString(Document newDoc) throws Exception{
    DOMSource domSource = new DOMSource(newDoc);
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    StringWriter sw = new StringWriter();
    StreamResult sr = new StreamResult(sw);
    transformer.transform(domSource, sr);
    System.out.println(sw.toString());  
  }
  public static void main(String[] args) throws Exception {
    DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder domBuilder = domFactory.newDocumentBuilder();

    Document newDoc = domBuilder.newDocument();
    Element rootElement = newDoc.createElement("parent");
    newDoc.appendChild(rootElement);
    
    toString(newDoc);
  }

}