try {
			 
			File fXmlFile = new File("model/Collection.xmi");
			DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
			DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
			Document doc = dBuilder.parse(fXmlFile);
		 
			//optional, but recommended
			//read this - stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-how-does-it-work
			doc.getDocumentElement().normalize();
		 
			System.out.println("Root element :" + doc.getDocumentElement().getNodeName()+"\n");
		 
		 
			NodeList nodeList = doc.getElementsByTagName("*");
		    for (int i = 0; i < nodeList.getLength(); i++) {
		        Node node = nodeList.item(i);
		        if (node.getNodeType() == Node.ELEMENT_NODE) {
		            // do something with the current element
		        	
		        }
		    }
		    
		    } catch (Exception e) {
			e.printStackTrace();
		    }