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1
7
8 package org.jdesktop.swing.data;
9
10 import java.util.HashMap  ;
11
12 import org.w3c.dom.Element ;
13 import org.w3c.dom.Node ;
14 import org.w3c.dom.NodeList ;
15
16 import org.jdesktop.swing.table.TabularDataMetaData;
17
18 import org.jdesktop.swing.data.Converters;
19 import org.jdesktop.swing.data.Converter;
20
21
24 public class HierarchicalDataMetaData extends TabularDataMetaData {
25 private Element columns = null;
26 private static HashMap typesMap;
27
28 static {
30 typesMap = new HashMap ();
31 typesMap.put("boolean", java.lang.Boolean .class);
32 typesMap.put("date", java.util.Date .class);
33 typesMap.put("double", java.lang.Double .class);
34 typesMap.put("float", java.lang.Float .class);
35 typesMap.put("integer", java.lang.Integer .class);
36 typesMap.put("string", java.lang.String .class);
37 }
38
39 public HierarchicalDataMetaData(Element metaDataElement) {
40 super((metaDataElement == null) ?
41 0 : Integer.parseInt(metaDataElement.getAttribute("columnCount")));
42 columns = metaDataElement;
43 init();
44 }
45
46 protected void init() {
47 if (columns != null) {
48 NodeList list = ( (Element ) columns).getChildNodes();
49 int i = 0, k = 0, max = list.getLength();
50 Node node;
51 Element elem;
52 while (i < max) {
53 node = list.item(i++);
54 if (node instanceof Element ) {
55 elem = (Element ) node;
56 if (elem.getLocalName().equals("columnMetaData")) {
57 setColumnName(++k, elem.getAttribute("name"));
58 String type = elem.getAttribute("type");
59 if (type.length() > 0) {
60 Class klass = decodeType(type);
61 if (klass != null) {
62 setColumnClass(k, klass);
63 if (klass != String .class) {
64 Converter converter =
65 Converters.get(klass);
66 if (converter == null) {
67 System.err.println(
68 "warning: couldn't find converter for " +
69 klass.getName() +
70 ". Reseting class of column " +
71 k + "to String.class");
72 setColumnClass(k, String .class);
73 }
74 else {
75 setColumnConverter(k, converter); }
77 }
78 }
79 }
80 }
81 }
82 }
83 }
84 }
85
86 private Class decodeType(String value) {
88 Class klass = (Class )typesMap.get(value);
89 if (klass == null) {
90 try {
91 klass = Class.forName(value);
92 } catch (ClassNotFoundException e) {
93 System.out.println("Could not convert type: " + value + " to a java type or class");
94 }
95 }
96 return klass;
97 }
98
99 }
100 |
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