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package com.aurea.maven.plugins.sonic.utils; |
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import java.io.ByteArrayInputStream; |
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import java.io.File; |
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import java.util.ArrayList; |
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import java.util.Enumeration; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Properties; |
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import javax.xml.namespace.QName; |
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import javax.xml.parsers.DocumentBuilder; |
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import javax.xml.parsers.DocumentBuilderFactory; |
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import javax.xml.xpath.XPath; |
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import javax.xml.xpath.XPathConstants; |
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import javax.xml.xpath.XPathExpression; |
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import javax.xml.xpath.XPathFactory; |
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import org.codehaus.plexus.util.xml.XmlStreamReader; |
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import org.codehaus.plexus.util.xml.Xpp3Dom; |
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import org.codehaus.plexus.util.xml.Xpp3DomBuilder; |
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import org.w3c.dom.Document; |
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import org.w3c.dom.NodeList; |
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28 | 0 | public class Xpp3Utils { |
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public static final String PROPERTY_SEPARATOR = ";"; |
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public static void removeAllChildren(final Xpp3Dom _element) { |
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42 | 0 | if (_element != null) { |
43 | 0 | while (_element.getChildCount() > 0) { |
44 | 0 | _element.removeChild(0); |
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} |
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} |
47 | 0 | } |
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public static void removeAllChildren(final Xpp3Dom _element, final String _path) { |
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57 | 0 | List<Xpp3Dom> tbdParents = collectElements(_element, _path); |
58 | 0 | for (Xpp3Dom tbdParent : tbdParents) { |
59 | 0 | while (tbdParent.getChildCount() > 0) { |
60 | 0 | tbdParent.removeChild(0); |
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} |
62 | 0 | } |
63 | 0 | } |
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public static List<Xpp3Dom> collectElements(final Xpp3Dom _element, final String _path) { |
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74 | 0 | List<Xpp3Dom> result = new ArrayList<Xpp3Dom>(); |
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76 | 0 | if (_element != null) { |
77 | 0 | if (_path != null && !"".equals(_path)) { |
78 | 0 | buildElementList(_element, _path.split("/"), result); |
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} else { |
80 | 0 | for (Xpp3Dom child : _element.getChildren()) { |
81 | 0 | result.add(child); |
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} |
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} |
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} |
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86 | 0 | return result; |
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} |
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private static void buildElementList(final Xpp3Dom _element, final String[] _path, final List<Xpp3Dom> _result) { |
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91 | 0 | if (_path.length == 0) { |
92 | 0 | return; |
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} else { |
94 | 0 | List<Xpp3Dom> children = collectImmediateChilds(_element, _path[0]); |
95 | 0 | if (_path.length == 1) { |
96 | 0 | _result.addAll(children); |
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} else { |
98 | 0 | String[] tail = new String[_path.length - 1]; |
99 | 0 | for (int i = 1; i < _path.length; i++) { |
100 | 0 | tail[i - 1] = _path[i]; |
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} |
102 | 0 | for (Xpp3Dom child : children) { |
103 | 0 | buildElementList(child, tail, _result); |
104 | 0 | } |
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} |
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} |
107 | 0 | } |
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private static List<Xpp3Dom> collectImmediateChilds(final Xpp3Dom _element, final String _path) { |
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111 | 0 | List<Xpp3Dom> result = new ArrayList<Xpp3Dom>(); |
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113 | 0 | if (_element != null && _path != null) { |
114 | 0 | for (Xpp3Dom child : _element.getChildren()) { |
115 | 0 | if (child.getName().matches(_path)) { |
116 | 0 | result.add(child); |
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} |
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} |
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} |
120 | 0 | return result; |
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} |
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public static List<Xpp3Dom> collectElements(final String _baseDir, final String _extension) throws Exception { |
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134 | 0 | return collectElements(_baseDir, _extension, ".*"); |
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} |
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public static List<Xpp3Dom> collectElements(final String _baseDir, final String _extension, final String _path) |
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throws Exception { |
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151 | 0 | String path = _path; |
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153 | 0 | if (path == null) { |
154 | 0 | path = ".*"; |
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} |
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157 | 0 | ArrayList<Xpp3Dom> result = new ArrayList<Xpp3Dom>(); |
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159 | 0 | File baseDirFile = new File(_baseDir); |
160 | 0 | if (baseDirFile.exists() && baseDirFile.isDirectory()) { |
161 | 0 | for (String fileName : FileUtilities.getFileList(_baseDir, _extension, null)) { |
162 | 0 | File queuesFile = new File(_baseDir, fileName); |
163 | 0 | XmlStreamReader reader = new XmlStreamReader(queuesFile); |
164 | 0 | Xpp3Dom dom = Xpp3DomBuilder.build(reader); |
165 | 0 | result.addAll(collectElements(dom, path)); |
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} |
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} |
168 | 0 | return result; |
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} |
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public static void removeChildByName(final Xpp3Dom _dom, final String _childName) { |
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179 | 0 | Xpp3Dom[] children = _dom.getChildren(); |
180 | 0 | for (int i = 0; i < children.length; i++) { |
181 | 0 | if (children[i].getName().equals(_childName)) { |
182 | 0 | _dom.removeChild(i); |
183 | 0 | return; |
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} |
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} |
186 | 0 | } |
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public static Xpp3Dom createXpp3Dom(final String _tagName) { |
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195 | 0 | return createXpp3Dom(_tagName, null, null); |
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} |
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public static Xpp3Dom createXpp3Dom(final String _tagName, final String _content) { |
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207 | 0 | return createXpp3Dom(_tagName, _content, null); |
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} |
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public static Xpp3Dom createXpp3Dom(final String _tagName, final String _content, final String _attributes) { |
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221 | 0 | Xpp3Dom result = new Xpp3Dom(_tagName); |
222 | 0 | if (_content != null) { |
223 | 0 | result.setValue(_content); |
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} |
225 | 0 | if (_attributes != null) { |
226 | 0 | Properties props = stringToProperties(_attributes); |
227 | 0 | for (Enumeration<Object> en = props.keys(); en.hasMoreElements();) { |
228 | 0 | String propName = (String) en.nextElement(); |
229 | 0 | result.setAttribute(propName, props.getProperty(propName)); |
230 | 0 | } |
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} |
232 | 0 | return result; |
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} |
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private static Properties stringToProperties(final String _attributes) { |
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237 | 0 | Properties result = new Properties(); |
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239 | 0 | if (_attributes != null && !"".equals(_attributes)) { |
240 | 0 | String[] props = _attributes.split(";"); |
241 | 0 | for (String prop : props) { |
242 | 0 | String[] nvPair = prop.split("="); |
243 | 0 | if (nvPair.length == 2) { |
244 | 0 | result.put(nvPair[0], nvPair[1]); |
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} |
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} |
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} |
248 | 0 | return result; |
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} |
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public static List<Xpp3Dom> unifyXpp3List(final List<Xpp3Dom> _original, final String _keyExpression) { |
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260 | 0 | HashMap<String, Xpp3Dom> map = new HashMap<String, Xpp3Dom>(); |
261 | 0 | for (Xpp3Dom doc : _original) { |
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try { |
263 | 0 | NodeList nl = (NodeList) (evaluateXPath(doc, _keyExpression)); |
264 | 0 | if (nl.getLength() != 1) { |
265 | 0 | throw new RuntimeException("Xpath Expression received " + nl.getLength() + " nodes instead of one"); |
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} |
267 | 0 | String key = nl.item(0).getTextContent(); |
268 | 0 | if (!map.containsKey(key)) { |
269 | 0 | map.put(key, doc); |
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} |
271 | 0 | } catch (Exception e) { |
272 | 0 | throw new RuntimeException(e); |
273 | 0 | } |
274 | 0 | } |
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276 | 0 | List<Xpp3Dom> result = new ArrayList<Xpp3Dom>(); |
277 | 0 | result.addAll(map.values()); |
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279 | 0 | return result; |
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} |
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public static Object evaluateXPath(final Xpp3Dom _dom, final String _xPathExpression) { |
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291 | 0 | Object result = null; |
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try { |
294 | 0 | DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); |
295 | 0 | dbf.setNamespaceAware(true); |
296 | 0 | DocumentBuilder builder = dbf.newDocumentBuilder(); |
297 | 0 | Document doc = builder.parse(new ByteArrayInputStream(_dom.toString().getBytes())); |
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299 | 0 | XPathFactory xpFactory = XPathFactory.newInstance(); |
300 | 0 | XPath xpath = xpFactory.newXPath(); |
301 | 0 | XPathExpression expr = xpath.compile(_xPathExpression); |
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303 | 0 | result = expr.evaluate(doc, XPathConstants.NODESET); |
304 | 0 | } catch (Exception e) { |
305 | 0 | e.printStackTrace(); |
306 | 0 | } |
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308 | 0 | return result; |
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} |
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public static Object evaluateXPath(final Xpp3Dom _dom, final String _xPathExpression, final QName returnType) { |
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320 | 0 | Object result = null; |
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try { |
323 | 0 | DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); |
324 | 0 | dbf.setNamespaceAware(true); |
325 | 0 | DocumentBuilder builder = dbf.newDocumentBuilder(); |
326 | 0 | Document doc = builder.parse(new ByteArrayInputStream(_dom.toString().getBytes())); |
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328 | 0 | XPathFactory xpFactory = XPathFactory.newInstance(); |
329 | 0 | XPath xpath = xpFactory.newXPath(); |
330 | 0 | XPathExpression expr = xpath.compile(_xPathExpression); |
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332 | 0 | result = expr.evaluate(doc, returnType); |
333 | 0 | } catch (Exception e) { |
334 | 0 | e.printStackTrace(); |
335 | 0 | } |
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337 | 0 | return result; |
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} |
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} |