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1
9
10 package org.dom4j.samples;
11
12 import org.dom4j.Attribute;
13 import org.dom4j.Comment;
14 import org.dom4j.Document;
15 import org.dom4j.Element;
16 import org.dom4j.ProcessingInstruction;
17 import org.dom4j.Text;
18 import org.dom4j.Visitor;
19 import org.dom4j.VisitorSupport;
20
21
27 public class CountDemo extends SAXDemo {
28
29 private int numCharacters;
30
31 private int numComments;
32
33 private int numElements;
34
35 private int numAttributes;
36
37 private int numProcessingInstructions;
38
39 public static void main(String  [] args) {
40 run(new CountDemo(), args);
41 }
42
43 public CountDemo() {
44 }
45
46 protected void process(Document document) throws Exception {
47 numCharacters = 0;
48 numComments = 0;
49 numElements = 0;
50 numAttributes = 0;
51 numProcessingInstructions = 0;
52
53 Visitor visitor = new VisitorSupport() {
54
55 public void visit(Element node) {
56 ++numElements;
57 }
58
59 public void visit(Attribute node) {
60 ++numAttributes;
61 }
62
63 public void visit(Comment node) {
64 ++numComments;
65 }
66
67 public void visit(ProcessingInstruction node) {
68 ++numProcessingInstructions;
69 }
70
71 public void visit(Text node) {
72 String text = node.getText();
73 if (text != null) {
74 numCharacters += text.length();
75 }
76 }
77 };
78
79 println("Document: " + document.getName() + " has the following");
80 println("Elements\tAttributes\tComments\tPIs\tCharacters");
81
82 document.accept(visitor);
83
84 println(numElements + "\t\t" + numAttributes + "\t\t" + numComments
85 + "\t\t" + numProcessingInstructions + "\t" + numCharacters);
86 }
87 }
88
89
127 |
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