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 { 
  } 
 
  static void formatXMLFile(String file) throws Exception{ 
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); 
    DocumentBuilder builder = factory.newDocumentBuilder(); 
    Document document = builder.parse(new InputSource(new InputStreamReader(new FileInputStream( 
        file)))); 
 
    Transformer xformer = TransformerFactory.newInstance().newTransformer(); 
    xformer.setOutputProperty(OutputKeys.METHOD, "xml"); 
    xformer.setOutputProperty(OutputKeys.INDENT, "yes"); 
    xformer.setOutputProperty("b;http://xml.apache.org/xsltd;indent-amount", "4"); 
    xformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes"); 
    Source source = new DOMSource(document); 
    Result result = new StreamResult(new File(file)); 
    xformer.transform(source, result); 
  } 
} 
 
    
     
     
     
     
     
  
  |