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1 package com.thoughtworks.xstream.io.xml;
2
3 import com.thoughtworks.xstream.converters.ErrorWriter;
4 import com.thoughtworks.xstream.io.HierarchicalStreamReader;
5 import com.thoughtworks.xstream.io.xml.xppdom.Xpp3Dom;
6
7 import java.util.LinkedList  ;
8
9
13 public class XppDomReader
14 implements HierarchicalStreamReader {
15 private Xpp3Dom current;
16
17 private LinkedList pointers = new LinkedList ();
18
19 public XppDomReader(Xpp3Dom xpp3Dom) {
20 current = xpp3Dom;
21
22 pointers.addLast(new Pointer());
23 }
24
25 public String getNodeName() {
26 return current.getName();
27 }
28
29 public String getValue() {
30 String text = null;
31
32 try {
33 text = current.getValue();
34 } catch (Exception e) {
35 }
37
38 return text == null ? "" : text;
39 }
40
41 public String getAttribute(String attributeName) {
42 String text = null;
43
44 try {
45 text = current.getAttribute(attributeName);
46 } catch (Exception e) {
47 }
49
50 return text;
51 }
52
53 public Object peekUnderlyingNode() {
54 return current;
55 }
56
57 private class Pointer {
58 public int v;
59 }
60
61 public boolean hasMoreChildren() {
62 Pointer pointer = (Pointer) pointers.getLast();
63
64 if (pointer.v < current.getChildCount()) {
65 return true;
66 } else {
67 return false;
68 }
69 }
70
71 public void moveUp() {
72 current = current.getParent();
73
74 pointers.removeLast();
75 }
76
77 public void moveDown() {
78 Pointer pointer = (Pointer) pointers.getLast();
79 pointers.addLast(new Pointer());
80
81 current = current.getChild(pointer.v);
82
83 pointer.v++;
84
85 }
86
87 public void appendErrors(ErrorWriter errorWriter) {
88 }
89 }
90 |
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