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1
17 package org.alfresco.repo.exporter;
18
19 import java.io.InputStream  ;
20 import java.text.SimpleDateFormat ;
21 import java.util.Collection ;
22 import java.util.Date ;
23
24 import org.alfresco.service.cmr.repository.NodeRef;
25 import org.alfresco.service.cmr.repository.NodeService;
26 import org.alfresco.service.cmr.repository.Path;
27 import org.alfresco.service.cmr.view.Exporter;
28 import org.alfresco.service.cmr.view.ExporterException;
29 import org.alfresco.service.namespace.NamespaceService;
30 import org.alfresco.service.namespace.QName;
31 import org.xml.sax.ContentHandler ;
32 import org.xml.sax.SAXException ;
33 import org.xml.sax.helpers.AttributesImpl ;
34
35
36
41 class XMLExporter
42 implements Exporter
43 {
44 private final static String VIEW_LOCALNAME = "view";
45 private final static String CHILDNAME_LOCALNAME = "childName";
46 private static QName VIEW_QNAME;
47 private static QName CHILDNAME_QNAME;
48
49 private NamespaceService namespaceService;
50 private NodeService nodeService;
51 private ContentHandler contentHandler;
52 private final static AttributesImpl EMPTY_ATTRIBUTES = new AttributesImpl ();
53
54
55
62 XMLExporter(NamespaceService namespaceService, NodeService nodeService, ContentHandler contentHandler)
63 {
64 this.namespaceService = namespaceService;
65 this.nodeService = nodeService;
66 this.contentHandler = contentHandler;
67
68 VIEW_QNAME = QName.createQName(NamespaceService.REPOSITORY_VIEW_PREFIX, VIEW_LOCALNAME, namespaceService);
69 CHILDNAME_QNAME = QName.createQName(NamespaceService.REPOSITORY_VIEW_PREFIX, CHILDNAME_LOCALNAME, namespaceService);
70 }
71
72
73
76 public void start()
77 {
78 try
79 {
80 contentHandler.startDocument();
81 contentHandler.startPrefixMapping(NamespaceService.REPOSITORY_VIEW_PREFIX, NamespaceService.REPOSITORY_VIEW_1_0_URI);
82 contentHandler.startElement(NamespaceService.REPOSITORY_VIEW_PREFIX, VIEW_LOCALNAME, VIEW_QNAME.toPrefixString(), EMPTY_ATTRIBUTES);
83 }
84 catch (SAXException e)
85 {
86 throw new ExporterException("Failed to process export start event", e);
87 }
88 }
89
90
93 public void startNamespace(String prefix, String uri)
94 {
95 try
96 {
97 contentHandler.startPrefixMapping(prefix, uri);
98 }
99 catch (SAXException e)
100 {
101 throw new ExporterException("Failed to process start namespace event - prefix " + prefix + " uri " + uri, e);
102 }
103 }
104
105
108 public void endNamespace(String prefix)
109 {
110 try
111 {
112 contentHandler.endPrefixMapping(prefix);
113 }
114 catch (SAXException e)
115 {
116 throw new ExporterException("Failed to process end namespace event - prefix " + prefix, e);
117 }
118 }
119
120
123 public void startNode(NodeRef nodeRef)
124 {
125 try
126 {
127 Path path = nodeService.getPath(nodeRef);
128 String childName = path.last().getElementString();
129 QName childQName = QName.createQName(childName);
130 AttributesImpl attrs = new AttributesImpl ();
131 attrs.addAttribute(NamespaceService.REPOSITORY_VIEW_1_0_URI, CHILDNAME_LOCALNAME, CHILDNAME_QNAME.toPrefixString(), null, toPrefixString(childQName));
132
133 QName type = nodeService.getType(nodeRef);
134 contentHandler.startElement(type.getNamespaceURI(), type.getLocalName(), toPrefixString(type), attrs);
135 }
136 catch (SAXException e)
137 {
138 throw new ExporterException("Failed to process start node event - node ref " + nodeRef.toString(), e);
139 }
140 }
141
142
143
146 public void endNode(NodeRef nodeRef)
147 {
148 try
149 {
150 QName type = nodeService.getType(nodeRef);
151 contentHandler.endElement(type.getNamespaceURI(), type.getLocalName(), toPrefixString(type));
152 }
153 catch (SAXException e)
154 {
155 throw new ExporterException("Failed to process end node event - node ref " + nodeRef.toString(), e);
156 }
157 }
158
159
162 public void startAspect(NodeRef nodeRef, QName aspect)
163 {
164 try
165 {
166 contentHandler.startElement(aspect.getNamespaceURI(), aspect.getLocalName(), toPrefixString(aspect), EMPTY_ATTRIBUTES);
167 }
168 catch (SAXException e)
169 {
170 throw new ExporterException("Failed to process start aspect event - node ref " + nodeRef.toString() + "; aspect " + toPrefixString(aspect), e);
171 }
172 }
173
174
177 public void endAspect(NodeRef nodeRef, QName aspect)
178 {
179 try
180 {
181 contentHandler.endElement(aspect.getNamespaceURI(), aspect.getLocalName(), toPrefixString(aspect));
182 }
183 catch (SAXException e)
184 {
185 throw new ExporterException("Failed to process end aspect event - node ref " + nodeRef.toString() + "; aspect " + toPrefixString(aspect), e);
186 }
187 }
188
189
192 public void startProperty(NodeRef nodeRef, QName property)
193 {
194 try
195 {
196 contentHandler.startElement(property.getNamespaceURI(), property.getLocalName(), toPrefixString(property), EMPTY_ATTRIBUTES);
197 }
198 catch (SAXException e)
199 {
200 throw new ExporterException("Failed to process start property event - nodeRef " + nodeRef + "; property " + toPrefixString(property), e);
201 }
202 }
203
204
207 public void endProperty(NodeRef nodeRef, QName property)
208 {
209 try
210 {
211 contentHandler.endElement(property.getNamespaceURI(), property.getLocalName(), toPrefixString(property));
212 }
213 catch (SAXException e)
214 {
215 throw new ExporterException("Failed to process end property event - nodeRef " + nodeRef + "; property " + toPrefixString(property), e);
216 }
217 }
218
219
222 public void value(NodeRef nodeRef, QName property, Object value)
223 {
224 if (value != null)
225 {
226 try
227 {
228 String strValue;
229 if (value instanceof Date )
230 {
231 SimpleDateFormat format = new SimpleDateFormat ("yyyy-MM-dd'T'HH:mm:ss");
232 strValue = format.format((Date )value);
233 }
234 else
235 {
236 strValue = value.toString();
237 }
238 contentHandler.characters(strValue.toCharArray(), 0, strValue.length());
239 }
240 catch (SAXException e)
241 {
242 throw new ExporterException("Failed to process value - property " + toPrefixString(property), e);
243 }
244 }
245 }
246
247
250 public void content(NodeRef nodeRef, QName property, InputStream content)
251 {
252 }
254
255
258 public void startAssoc(NodeRef nodeRef, QName assoc)
259 {
260 try
261 {
262 contentHandler.startElement(assoc.getNamespaceURI(), assoc.getLocalName(), toPrefixString(assoc), EMPTY_ATTRIBUTES);
263 }
264 catch (SAXException e)
265 {
266 throw new ExporterException("Failed to process start assoc event - nodeRef " + nodeRef + "; association " + toPrefixString(assoc), e);
267 }
268 }
269
270
273 public void endAssoc(NodeRef nodeRef, QName assoc)
274 {
275 try
276 {
277 contentHandler.endElement(assoc.getNamespaceURI(), assoc.getLocalName(), toPrefixString(assoc));
278 }
279 catch (SAXException e)
280 {
281 throw new ExporterException("Failed to process end assoc event - nodeRef " + nodeRef + "; association " + toPrefixString(assoc), e);
282 }
283 }
284
285
288 public void warning(String warning)
289 {
290 }
291
292
295 public void end()
296 {
297 try
298 {
299 contentHandler.endElement(NamespaceService.REPOSITORY_VIEW_PREFIX, VIEW_LOCALNAME, VIEW_QNAME.toPrefixString());
300 contentHandler.endPrefixMapping(NamespaceService.REPOSITORY_VIEW_PREFIX);
301 contentHandler.endDocument();
302 }
303 catch (SAXException e)
304 {
305 throw new ExporterException("Failed to process end export event", e);
306 }
307 }
308
309
314 private String toPrefixString(QName qname)
315 {
316 Collection <String > prefixes = namespaceService.getPrefixes(qname.getNamespaceURI());
317 if (prefixes.isEmpty() == false)
318 {
319 String prefix = prefixes.iterator().next();
320 QName prefixedQName = QName.createQName(prefix, qname.getLocalName(), namespaceService);
321 return prefixedQName.toPrefixString();
322 }
323 else
324 {
325 return qname.toPrefixString();
326 }
327 }
328
329 }
330 |
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