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1
17
18 package com.finalist.jag.skelet;
19
20
21 import com.finalist.jag.util.Log;
22 import org.w3c.dom.Document  ;
23 import org.w3c.dom.Element ;
24 import org.w3c.dom.Node ;
25 import org.w3c.dom.NodeList ;
26 import org.xml.sax.InputSource ;
27
28 import javax.xml.parsers.DocumentBuilderFactory ;
29 import javax.xml.parsers.DocumentBuilder ;
30 import java.io.File ;
31 import java.io.FileInputStream ;
32 import java.io.InputStreamReader ;
33 import java.util.ArrayList ;
34 import java.util.Collection ;
35
36
43 public class XMLSkeletLoader implements SkeletLoader {
44
45
46 private Document doc = null;
47
48
49 private Exception exception = null;
50
51
52 private SkeletDataObj skeletObj = null;
53
54
55
60 public XMLSkeletLoader(File config) throws Exception {
61
62 Log.log("loading: " + config.getPath());
63
64 InputSource inputSource = new InputSource (
65 new InputStreamReader (new FileInputStream (config)));
66
67
68 DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
69 DocumentBuilder builder = null;
70 try {
71 builder = dbf.newDocumentBuilder();
72 doc = builder.parse(config);
73 } catch (Exception e) {
74 e.printStackTrace();
75 }
76 }
77
78
79
80
89 public SkeletDataObj getSkeletData() throws JagSkeletException {
90 if ((skeletObj == null) && (doc != null)) {
91 Element root = doc.getDocumentElement();
92 skeletObj = parseSkelet(root);
93 skeletObj.processReferences();
94 }
95
96 return skeletObj;
97 }
98
99
100
109 private SkeletDataObj parseSkelet(org.w3c.dom.Element root) {
110 SkeletDataObj obj = new SkeletDataObj(root.getNodeName());
111 Collection rootObj = (Collection ) obj.getValue();
112 Node node = root.getFirstChild();
113 JagSkeletConfig config = getConfig(root);
114
115 while (node != null) {
116 if ((node.getNodeType() == node.ELEMENT_NODE)
117 && node.getNodeName().equals("module")) {
118 String name = getAttribute((Element ) node, "name");
119 SkeletModule module = new SkeletModule(name);
120
121 module.setRefname(getAttribute((Element ) node, "ref-name"));
122 module.setRefs(getAttributes((Element ) node, "ref"));
123 module.setValue(getModuleData((Element ) node));
124 rootObj.add(module);
125 }
126 node = node.getNextSibling();
127 }
128 obj.setConfig(config);
129 return obj;
130 }
131
132
133
142 private Collection getModuleData(org.w3c.dom.Element parent) {
143 Node node = parent.getFirstChild();
144 ArrayList dataModules = new ArrayList ();
145
146 while (node != null) {
147 if ((node.getNodeType() == node.ELEMENT_NODE)
148 && node.getNodeName().equals("module-data")) {
149 String name = getAttribute((Element ) node, "name");
150 if (((Element ) node).getElementsByTagName("module-data").getLength() > 0) {
151 Collection value = getModuleData((Element ) node);
152 dataModules.add(new ModuleData(name, value));
153 }
154 else if (node.hasChildNodes()) {
155 String value = node.getFirstChild().getNodeValue();
156 dataModules.add(new ModuleData(name, value));
157 }
158 else {
159 dataModules.add(new ModuleData(name, ""));
160 }
161 }
162 node = node.getNextSibling();
163 }
164 return dataModules;
165 }
166
167
168 private JagSkeletConfig getConfig(org.w3c.dom.Element root) {
169 JagSkeletConfig config = new JagSkeletConfig();
170 NodeList list = root.getElementsByTagName("config");
171
172 for (int i = 0; i < list.getLength(); i++) {
173 org.w3c.dom.Element tagnode = (org.w3c.dom.Element ) list.item(i);
174 config.setAuthor(getAttribute(tagnode, "author"));
175 config.setVersion(getAttribute(tagnode, "version"));
176 config.setCompany(getAttribute(tagnode, "company"));
177 }
178
179 list = root.getElementsByTagName("templates");
180 for (int i = 0; i < list.getLength(); i++) {
181 org.w3c.dom.Element node = (org.w3c.dom.Element ) list.item(i);
182 Node childNode = node.getFirstChild();
183 while (childNode != null) {
184 if (childNode.getNodeName().equals("template-root") &&
185 childNode.hasChildNodes()) {
186 config.addTemplateUrl(childNode.getFirstChild().getNodeValue());
187 }
188 childNode = childNode.getNextSibling();
189 }
190 }
191 return config;
192 }
193
194
195
205 private String getAttribute(org.w3c.dom.Element root, String label) {
206
207 String sAttribute = root.getAttribute(label);
208
209 if ((sAttribute == null) || (sAttribute.length() < 1)) {
210 NodeList list = root.getElementsByTagName(label);
211
212 if (list.getLength() > 0) {
213 org.w3c.dom.Element node = (org.w3c.dom.Element ) list.item(0);
214
215 if (node.getFirstChild() != null) {
216 sAttribute = node.getFirstChild().getNodeValue();
217 }
218 }
219 }
220
221 return sAttribute;
222 }
223
224
225
235 private Collection getAttributes(org.w3c.dom.Element root, String label) {
236
237 ArrayList attrList = new ArrayList ();
238 NodeList l2 = root.getElementsByTagName(label);
239
240 for (int i = 0; i < l2.getLength(); i++) {
241 org.w3c.dom.Element element = (org.w3c.dom.Element ) l2.item(i);
242
243 if (element.getFirstChild() != null) {
244 attrList.add(element.getFirstChild().getNodeValue());
245 }
246 }
247
248 return attrList;
249 }
250
251
252
259 public Exception getException() {
260 return exception;
261 }
262 } |
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