code: public static DocumentBuilder createDocumentBuilder()
  	{
  		try
  		{
  			DocumentBuilderFactory factory = DOCUMENT_BUILDER_FACTORY.get();
  
  			if (factory == null)
  			{
  				factory = createDocumentBuilderFactory();
  
  				DOCUMENT_BUILDER_FACTORY = new SoftReference<>(factory);
  			}
  
  			return factory.newDocumentBuilder();
  		}
  		catch (ParserConfigurationException e)
  		{
  			throw new RuntimeException("Error creating DocumentBuilder: " + e.getMessage(), e);
  		}
  	}
docs: Create a new (namespace-aware) DocumentBuilder
  
  @return