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package org.jaxen.jdom; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import org.jaxen.DefaultNavigator; |
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import org.jaxen.FunctionCallException; |
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import org.jaxen.NamedAccessNavigator; |
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import org.jaxen.Navigator; |
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import org.jaxen.XPath; |
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import org.jaxen.JaxenConstants; |
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import org.jaxen.saxpath.SAXPathException; |
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import org.jaxen.util.SingleObjectIterator; |
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import org.jdom.Attribute; |
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import org.jdom.CDATA; |
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import org.jdom.Comment; |
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import org.jdom.Document; |
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import org.jdom.Element; |
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import org.jdom.Namespace; |
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import org.jdom.ProcessingInstruction; |
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import org.jdom.Text; |
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import org.jdom.input.SAXBuilder; |
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87 | 586 | public class DocumentNavigator extends DefaultNavigator implements NamedAccessNavigator |
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{ |
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private static final long serialVersionUID = -1636727587303584165L; |
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96 | 586 | private static class Singleton |
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{ |
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100 | 4 | private static DocumentNavigator instance = new DocumentNavigator(); |
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} |
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public static Navigator getInstance() |
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{ |
105 | 30 | return Singleton.instance; |
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} |
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public boolean isElement(Object obj) |
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{ |
110 | 223840 | return obj instanceof Element; |
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} |
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public boolean isComment(Object obj) |
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{ |
115 | 2246 | return obj instanceof Comment; |
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} |
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public boolean isText(Object obj) |
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{ |
120 | 151232 | return ( obj instanceof Text |
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|| |
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obj instanceof CDATA ); |
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} |
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public boolean isAttribute(Object obj) |
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{ |
127 | 8868 | return obj instanceof Attribute; |
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} |
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public boolean isProcessingInstruction(Object obj) |
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{ |
132 | 2186 | return obj instanceof ProcessingInstruction; |
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} |
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public boolean isDocument(Object obj) |
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{ |
137 | 2378 | return obj instanceof Document; |
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} |
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public boolean isNamespace(Object obj) |
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{ |
142 | 8092 | return obj instanceof Namespace || obj instanceof XPathNamespace; |
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} |
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public String getElementName(Object obj) |
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{ |
147 | 74140 | Element elem = (Element) obj; |
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149 | 74140 | return elem.getName(); |
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} |
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public String getElementNamespaceUri(Object obj) |
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{ |
154 | 73678 | Element elem = (Element) obj; |
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156 | 73678 | String uri = elem.getNamespaceURI(); |
157 | 73678 | if ( uri != null && uri.length() == 0 ) |
158 | 73622 | return null; |
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else |
160 | 56 | return uri; |
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} |
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public String getAttributeName(Object obj) |
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{ |
165 | 60 | Attribute attr = (Attribute) obj; |
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|
167 | 60 | return attr.getName(); |
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} |
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public String getAttributeNamespaceUri(Object obj) |
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{ |
172 | 60 | Attribute attr = (Attribute) obj; |
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|
174 | 60 | String uri = attr.getNamespaceURI(); |
175 | 60 | if ( uri != null && uri.length() == 0 ) |
176 | 0 | return null; |
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else |
178 | 60 | return uri; |
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} |
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public Iterator getChildAxisIterator(Object contextNode) |
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{ |
183 | 233232 | if ( contextNode instanceof Element ) |
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{ |
185 | 81008 | return ((Element)contextNode).getContent().iterator(); |
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} |
187 | 152224 | else if ( contextNode instanceof Document ) |
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{ |
189 | 360 | return ((Document)contextNode).getContent().iterator(); |
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} |
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192 | 151864 | return JaxenConstants.EMPTY_ITERATOR; |
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} |
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public Iterator getChildAxisIterator( |
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Object contextNode, String localName, String namespacePrefix, String namespaceURI) { |
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208 | 4732 | if ( contextNode instanceof Element ) { |
209 | 1870 | Element node = (Element) contextNode; |
210 | 1870 | if (namespaceURI == null) { |
211 | 1852 | return node.getChildren(localName).iterator(); |
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} |
213 | 18 | return node.getChildren(localName, Namespace.getNamespace(namespacePrefix, namespaceURI)).iterator(); |
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} |
215 | 2862 | if ( contextNode instanceof Document ) { |
216 | 236 | Document node = (Document) contextNode; |
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|
218 | 236 | Element el = node.getRootElement(); |
219 | 236 | if (el.getName().equals(localName) == false) { |
220 | 32 | return JaxenConstants.EMPTY_ITERATOR; |
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} |
222 | 204 | if (namespaceURI != null) { |
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|
224 | 20 | if (!Namespace.getNamespace(namespacePrefix, namespaceURI).equals(el.getNamespace())) { |
225 | 2 | return JaxenConstants.EMPTY_ITERATOR; |
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} |
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} |
228 | 184 | else if(el.getNamespace() != Namespace.NO_NAMESPACE) { |
229 | 4 | return JaxenConstants.EMPTY_ITERATOR; |
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} |
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|
232 | 198 | return new SingleObjectIterator(el); |
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} |
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235 | 2626 | return JaxenConstants.EMPTY_ITERATOR; |
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} |
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public Iterator getNamespaceAxisIterator(Object contextNode) |
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{ |
240 | 256 | if ( ! ( contextNode instanceof Element ) ) |
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{ |
242 | 148 | return JaxenConstants.EMPTY_ITERATOR; |
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} |
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245 | 108 | Element elem = (Element) contextNode; |
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247 | 108 | Map nsMap = new HashMap(); |
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|
249 | 108 | Element current = elem; |
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|
251 | 388 | while ( current != null ) { |
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253 | 280 | Namespace ns = current.getNamespace(); |
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|
255 | 280 | if ( ns != Namespace.NO_NAMESPACE ) { |
256 | 66 | if ( !nsMap.containsKey(ns.getPrefix()) ) |
257 | 66 | nsMap.put( ns.getPrefix(), new XPathNamespace(elem, ns) ); |
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} |
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260 | 280 | Iterator additional = current.getAdditionalNamespaces().iterator(); |
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|
262 | 460 | while ( additional.hasNext() ) { |
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|
264 | 180 | ns = (Namespace)additional.next(); |
265 | 180 | if ( !nsMap.containsKey(ns.getPrefix()) ) |
266 | 120 | nsMap.put( ns.getPrefix(), new XPathNamespace(elem, ns) ); |
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} |
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269 | 280 | Iterator attributes = current.getAttributes().iterator(); |
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271 | 420 | while ( attributes.hasNext() ) { |
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273 | 140 | Attribute attribute = (Attribute)attributes.next(); |
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275 | 140 | Namespace attrNS = attribute.getNamespace(); |
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|
277 | 140 | if ( attrNS != Namespace.NO_NAMESPACE ) { |
278 | 4 | if ( !nsMap.containsKey(attrNS.getPrefix()) ) |
279 | 4 | nsMap.put( attrNS.getPrefix(), new XPathNamespace(elem, attrNS) ); |
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} |
281 | 140 | } |
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|
283 | 280 | if (current.getParent() instanceof Element) { |
284 | 172 | current = (Element)current.getParent(); |
285 | 172 | } else { |
286 | 108 | current = null; |
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} |
288 | 280 | } |
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290 | 108 | nsMap.put( "xml", new XPathNamespace(elem, Namespace.XML_NAMESPACE) ); |
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292 | 108 | return nsMap.values().iterator(); |
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} |
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public Iterator getParentAxisIterator(Object contextNode) |
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{ |
297 | 50360 | Object parent = null; |
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|
299 | 50360 | if ( contextNode instanceof Document ) |
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{ |
301 | 9838 | return JaxenConstants.EMPTY_ITERATOR; |
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} |
303 | 40522 | else if ( contextNode instanceof Element ) |
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{ |
305 | 39550 | parent = ((Element)contextNode).getParent(); |
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|
307 | 39550 | if ( parent == null ) |
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{ |
309 | 0 | if ( ((Element)contextNode).isRootElement() ) |
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{ |
311 | 0 | parent = ((Element)contextNode).getDocument(); |
312 | 0 | } |
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} |
314 | |
} |
315 | 972 | else if ( contextNode instanceof Attribute ) |
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{ |
317 | 148 | parent = ((Attribute)contextNode).getParent(); |
318 | 148 | } |
319 | 824 | else if ( contextNode instanceof XPathNamespace ) |
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{ |
321 | 684 | parent = ((XPathNamespace)contextNode).getJDOMElement(); |
322 | 684 | } |
323 | 140 | else if ( contextNode instanceof ProcessingInstruction ) |
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{ |
325 | 40 | parent = ((ProcessingInstruction)contextNode).getParent(); |
326 | 40 | } |
327 | 100 | else if ( contextNode instanceof Comment ) |
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{ |
329 | 40 | parent = ((Comment)contextNode).getParent(); |
330 | 40 | } |
331 | 60 | else if ( contextNode instanceof Text ) |
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{ |
333 | 60 | parent = ((Text)contextNode).getParent(); |
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} |
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|
336 | 40522 | if ( parent != null ) |
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{ |
338 | 40522 | return new SingleObjectIterator( parent ); |
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} |
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|
341 | 0 | return JaxenConstants.EMPTY_ITERATOR; |
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} |
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|
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public Iterator getAttributeAxisIterator(Object contextNode) |
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{ |
346 | 102 | if ( ! ( contextNode instanceof Element ) ) |
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{ |
348 | 0 | return JaxenConstants.EMPTY_ITERATOR; |
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} |
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|
351 | 102 | Element elem = (Element) contextNode; |
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|
353 | 102 | return elem.getAttributes().iterator(); |
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} |
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public Iterator getAttributeAxisIterator( |
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Object contextNode, String localName, String namespacePrefix, String namespaceURI) { |
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|
369 | 1188 | if ( contextNode instanceof Element ) { |
370 | 1096 | Element node = (Element) contextNode; |
371 | 1096 | Namespace namespace = (namespaceURI == null ? Namespace.NO_NAMESPACE : |
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Namespace.getNamespace(namespacePrefix, namespaceURI)); |
373 | 1096 | Attribute attr = node.getAttribute(localName, namespace); |
374 | 1096 | if (attr != null) { |
375 | 634 | return new SingleObjectIterator(attr); |
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} |
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} |
378 | 554 | return JaxenConstants.EMPTY_ITERATOR; |
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} |
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public XPath parseXPath (String xpath) throws SAXPathException |
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{ |
386 | 14 | return new JDOMXPath(xpath); |
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} |
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public Object getDocumentNode(Object contextNode) |
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{ |
391 | 536 | if ( contextNode instanceof Document ) |
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{ |
393 | 398 | return contextNode; |
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} |
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|
396 | 138 | Element elem = (Element) contextNode; |
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|
398 | 138 | return elem.getDocument(); |
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} |
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public String getElementQName(Object obj) |
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{ |
403 | 52 | Element elem = (Element) obj; |
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|
405 | 52 | String prefix = elem.getNamespacePrefix(); |
406 | |
|
407 | 52 | if ( prefix == null || prefix.length() == 0 ) |
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{ |
409 | 52 | return elem.getName(); |
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} |
411 | |
|
412 | 0 | return prefix + ":" + elem.getName(); |
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} |
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|
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public String getAttributeQName(Object obj) |
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{ |
417 | 0 | Attribute attr = (Attribute) obj; |
418 | |
|
419 | 0 | String prefix = attr.getNamespacePrefix(); |
420 | |
|
421 | 0 | if ( prefix == null || "".equals( prefix ) ) |
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{ |
423 | 0 | return attr.getName(); |
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} |
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|
426 | 0 | return prefix + ":" + attr.getName(); |
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} |
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|
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public String getNamespaceStringValue(Object obj) |
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{ |
431 | 0 | if (obj instanceof Namespace) { |
432 | |
|
433 | 0 | Namespace ns = (Namespace) obj; |
434 | 0 | return ns.getURI(); |
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} else { |
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|
437 | 0 | XPathNamespace ns = (XPathNamespace) obj; |
438 | 0 | return ns.getJDOMNamespace().getURI(); |
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} |
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|
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} |
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public String getNamespacePrefix(Object obj) |
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{ |
445 | 234 | if (obj instanceof Namespace) { |
446 | |
|
447 | 0 | Namespace ns = (Namespace) obj; |
448 | 0 | return ns.getPrefix(); |
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} else { |
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|
451 | 234 | XPathNamespace ns = (XPathNamespace) obj; |
452 | 234 | return ns.getJDOMNamespace().getPrefix(); |
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} |
454 | |
} |
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|
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public String getTextStringValue(Object obj) |
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{ |
458 | 28 | if ( obj instanceof Text ) |
459 | |
{ |
460 | 28 | return ((Text)obj).getText(); |
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} |
462 | |
|
463 | 0 | if ( obj instanceof CDATA ) |
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{ |
465 | 0 | return ((CDATA)obj).getText(); |
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} |
467 | |
|
468 | 0 | return ""; |
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} |
470 | |
|
471 | |
public String getAttributeStringValue(Object obj) |
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{ |
473 | 574 | Attribute attr = (Attribute) obj; |
474 | |
|
475 | 574 | return attr.getValue(); |
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} |
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|
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public String getElementStringValue(Object obj) |
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{ |
480 | 276 | Element elem = (Element) obj; |
481 | |
|
482 | 276 | StringBuffer buf = new StringBuffer(); |
483 | |
|
484 | 276 | List content = elem.getContent(); |
485 | 276 | Iterator contentIter = content.iterator(); |
486 | 276 | Object each = null; |
487 | |
|
488 | 560 | while ( contentIter.hasNext() ) |
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{ |
490 | 284 | each = contentIter.next(); |
491 | |
|
492 | 284 | if ( each instanceof Text ) |
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{ |
494 | 266 | buf.append( ((Text)each).getText() ); |
495 | 266 | } |
496 | 18 | else if ( each instanceof CDATA ) |
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{ |
498 | 0 | buf.append( ((CDATA)each).getText() ); |
499 | 0 | } |
500 | 18 | else if ( each instanceof Element ) |
501 | |
{ |
502 | 18 | buf.append( getElementStringValue( each ) ); |
503 | 18 | } |
504 | |
} |
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|
506 | 276 | return buf.toString(); |
507 | |
} |
508 | |
|
509 | |
public String getProcessingInstructionTarget(Object obj) |
510 | |
{ |
511 | 12 | ProcessingInstruction pi = (ProcessingInstruction) obj; |
512 | |
|
513 | 12 | return pi.getTarget(); |
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} |
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|
516 | |
public String getProcessingInstructionData(Object obj) |
517 | |
{ |
518 | 6 | ProcessingInstruction pi = (ProcessingInstruction) obj; |
519 | |
|
520 | 6 | return pi.getData(); |
521 | |
} |
522 | |
|
523 | |
public String getCommentStringValue(Object obj) |
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{ |
525 | 0 | Comment cmt = (Comment) obj; |
526 | |
|
527 | 0 | return cmt.getText(); |
528 | |
} |
529 | |
|
530 | |
public String translateNamespacePrefixToUri(String prefix, Object context) |
531 | |
{ |
532 | 0 | Element element = null; |
533 | 0 | if ( context instanceof Element ) |
534 | |
{ |
535 | 0 | element = (Element) context; |
536 | 0 | } |
537 | 0 | else if ( context instanceof Text ) |
538 | |
{ |
539 | 0 | element = (Element)((Text)context).getParent(); |
540 | 0 | } |
541 | 0 | else if ( context instanceof Attribute ) |
542 | |
{ |
543 | 0 | element = ((Attribute)context).getParent(); |
544 | 0 | } |
545 | 0 | else if ( context instanceof XPathNamespace ) |
546 | |
{ |
547 | 0 | element = ((XPathNamespace)context).getJDOMElement(); |
548 | 0 | } |
549 | 0 | else if ( context instanceof Comment ) |
550 | |
{ |
551 | 0 | element = (Element)((Comment)context).getParent(); |
552 | 0 | } |
553 | 0 | else if ( context instanceof ProcessingInstruction ) |
554 | |
{ |
555 | 0 | element = (Element)((ProcessingInstruction)context).getParent(); |
556 | |
} |
557 | |
|
558 | 0 | if ( element != null ) |
559 | |
{ |
560 | 0 | Namespace namespace = element.getNamespace( prefix ); |
561 | |
|
562 | 0 | if ( namespace != null ) |
563 | |
{ |
564 | 0 | return namespace.getURI(); |
565 | |
} |
566 | |
} |
567 | 0 | return null; |
568 | |
} |
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|
570 | |
public Object getDocument(String url) throws FunctionCallException |
571 | |
{ |
572 | |
try |
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{ |
574 | 136 | SAXBuilder builder = new SAXBuilder(); |
575 | |
|
576 | 136 | return builder.build( url ); |
577 | |
} |
578 | 0 | catch (Exception e) |
579 | |
{ |
580 | 0 | throw new FunctionCallException( e.getMessage() ); |
581 | |
} |
582 | |
} |
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} |