1    package com.company;
2    
3    import org.w3c.dom.Document;
4    import org.w3c.dom.Element;
5    import org.w3c.dom.Node;
6    import org.w3c.dom.NodeList;
7    import org.xml.sax.SAXException;
8    
9    import javax.xml.XMLConstants;
10   import javax.xml.parsers.DocumentBuilder;
11   import javax.xml.parsers.DocumentBuilderFactory;
12   import javax.xml.parsers.ParserConfigurationException;
13   import java.io.File;
14   import java.io.IOException;
15   
16   /* 
17   * Cte XML a vraci Doc; 
18   * */
19   
20   public class ReadXmlToDom {
21       private static DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
22       private static String FILENAME = "/Users/jarda/IdeaProjects/untitled1/src/com/test.xml";
23   
24       public static void main(String[] args) throws ParserConfigurationException, IOException, SAXException {
25           // optional, but recommended
26           // process XML securely, avoid attacks like XML External Entities (XXE)
27   
28           if(args.length>0)
29               FILENAME = args[0];
30   
31           dbf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
32   
33           // parse XML file
34           DocumentBuilder db = dbf.newDocumentBuilder();
35   
36           Document doc = db.parse(new File(FILENAME));
37   
38           // optional, but recommended
39           // http://stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-how-does-it-work
40           doc.getDocumentElement().normalize();
41   
42           System.out.println("Root Element :" + doc.getDocumentElement().getNodeName());
43           System.out.println("------");
44   
45           Document cti = Cti();
46   
47           Vypis vypis = new Vypis(doc);
48           vypis.Vypis1();
49           // get <staff>
50           NodeList list = doc.getElementsByTagName("staff");
51   
52   
53       }
54   
55       private static Document Cti() throws ParserConfigurationException, IOException, SAXException {
56           return Cti(FILENAME);
57       }
58   
59       public static Document Cti(String FILENAME) throws ParserConfigurationException, IOException, SAXException {
60           // optional, but recommended
61           // process XML securely, avoid attacks like XML External Entities (XXE)
62   
63           dbf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
64   
65           // parse XML file
66           DocumentBuilder db = dbf.newDocumentBuilder();
67   
68           Document doc1 = db.parse(new File(FILENAME));
69   
70           // optional, but recommended
71           // http://stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-how-does-it-work
72           doc1.getDocumentElement().normalize();
73   
74           System.out.println("Root Element :" + doc1.getDocumentElement().getNodeName());
75           System.out.println("------");
76   
77           return doc1;
78       }
79   
80   
81   }
82   
83   class Vypis {
84   
85       public Document doc;
86   
87       public Vypis() {
88           System.out.println("--Vypis0----");
89       }
90   
91       public Vypis(Document doc1) {
92           this.doc=doc1;
93           Vypis2();
94       }
95   
96       public void Vypis2() {
97   
98           System.out.println("--Vypis1----");
99           System.out.println(doc.getDocumentElement().getNodeName());
100  
101          // get <staff>
102          NodeList list = doc.getElementsByTagName("staff");
103  
104          for (int temp = 0; temp < list.getLength(); temp++) {
105  
106              Node node = list.item(temp);
107  
108              if (node.getNodeType() == Node.ELEMENT_NODE) {
109  
110                  Element element = (Element) node;
111  
112                  // get staff's attribute
113                  String id = element.getAttribute("id");
114  
115                  // get text
116                  String firstname = element.getElementsByTagName("firstname").item(0).getTextContent();
117                  String lastname = element.getElementsByTagName("lastname").item(0).getTextContent();
118                  String nickname = element.getElementsByTagName("nickname").item(0).getTextContent();
119  
120                  NodeList salaryNodeList = element.getElementsByTagName("salary");
121                  String salary = salaryNodeList.item(0).getTextContent();
122  
123                  // get salary's attribute
124                  String currency = salaryNodeList.item(0).getAttributes().getNamedItem("currency").getTextContent();
125  
126                  System.out.println("Current Element :" + node.getNodeName());
127                  System.out.println("Staff Id : " + id);
128                  System.out.println("First Name : " + firstname);
129                  System.out.println("Last Name : " + lastname);
130                  System.out.println("Nick Name : " + nickname);
131                  System.out.printf("Salary [Currency] : %,.2f [%s]%n%n", Float.parseFloat(salary), currency);
132  
133              }
134          }
135  
136      }
137  
138      public void Vypis1 () {
139          System.out.println("--Vypis1----");
140          Vypis1("rrr");
141      }
142  
143      public void Vypis1 (String str) {
144          System.out.println("--Vypis1----"+str);
145  
146      }
147  }