Java tutorial
import java.io.File; import java.io.FileInputStream; import java.io.InputStreamReader; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.transform.OutputKeys; import javax.xml.transform.Result; import javax.xml.transform.Source; 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.xml.sax.InputSource; public class Main { public static void main(String[] argv) throws Exception { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = factory.newDocumentBuilder(); Document document = builder .parse(new InputSource(new InputStreamReader(new FileInputStream("inputFile.xml")))); Transformer xformer = TransformerFactory.newInstance().newTransformer(); xformer.setOutputProperty(OutputKeys.METHOD, "xml"); xformer.setOutputProperty(OutputKeys.INDENT, "yes"); xformer.setOutputProperty("http://xml.apache.org/xslt;indent-amount", "4"); xformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes"); Source source = new DOMSource(document); Result result = new StreamResult(new File("result.xml")); xformer.transform(source, result); } }