Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/meta/Builder.java @ 959:a2b20ed3d3b4
Datacage: Added custom provider for XPath functions.
flys-artifacts/trunk@2378 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Wed, 20 Jul 2011 16:28:49 +0000 |
| parents | e91996b46e3c |
| children | 3ba4f5a88c20 |
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| 958:ae198bef4ba0 | 959:a2b20ed3d3b4 |
|---|---|
| 204 if (test.length() == 0) { | 204 if (test.length() == 0) { |
| 205 log.warn("no 'test' attribute found for when"); | 205 log.warn("no 'test' attribute found for when"); |
| 206 continue; | 206 continue; |
| 207 } | 207 } |
| 208 | 208 |
| 209 try { | 209 Boolean result = evaluateXPath(test); |
| 210 XPath xpath = XPATH_FACTORY.newXPath(); | 210 if (result != null && result.booleanValue()) { |
| 211 xpath.setXPathVariableResolver(frames); | 211 branch = child; |
| 212 Object result = xpath.evaluate( | 212 break; |
| 213 test, EVAL_DOCUMENT, XPathConstants.BOOLEAN); | 213 } |
| 214 | 214 |
| 215 if (result instanceof Boolean | |
| 216 && ((Boolean)result).booleanValue()) { | |
| 217 branch = child; | |
| 218 break; | |
| 219 } | |
| 220 } | |
| 221 catch (XPathExpressionException xfce) { | |
| 222 log.error(xfce); | |
| 223 } | |
| 224 continue; | 215 continue; |
| 225 } | 216 } |
| 226 else if ("otherwise".equals(name)) { | 217 else if ("otherwise".equals(name)) { |
| 227 branch = child; | 218 branch = child; |
| 228 // No break here. | 219 // No break here. |
| 233 NodeList subs = branch.getChildNodes(); | 224 NodeList subs = branch.getChildNodes(); |
| 234 for (int i = 0, N = subs.getLength(); i < N; ++i) { | 225 for (int i = 0, N = subs.getLength(); i < N; ++i) { |
| 235 build(parent, subs.item(i)); | 226 build(parent, subs.item(i)); |
| 236 } | 227 } |
| 237 } | 228 } |
| 229 } | |
| 230 | |
| 231 protected Boolean evaluateXPath(String expr) { | |
| 232 try { | |
| 233 XPath xpath = XPATH_FACTORY.newXPath(); | |
| 234 xpath.setXPathVariableResolver(frames); | |
| 235 xpath.setXPathFunctionResolver(FunctionResolver.FUNCTIONS); | |
| 236 Object result = xpath.evaluate( | |
| 237 expr, EVAL_DOCUMENT, XPathConstants.BOOLEAN); | |
| 238 | |
| 239 return result instanceof Boolean | |
| 240 ? (Boolean)result | |
| 241 : null; | |
| 242 } | |
| 243 catch (XPathExpressionException xfce) { | |
| 244 log.error(xfce); | |
| 245 } | |
| 246 return null; | |
| 238 } | 247 } |
| 239 | 248 |
| 240 protected void convert(Node parent, Element current) { | 249 protected void convert(Node parent, Element current) { |
| 241 | 250 |
| 242 String variable = expand(current.getAttribute("var")); | 251 String variable = expand(current.getAttribute("var")); |