Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/datacage/templating/Builder.java @ 6402:da1d1df9ab23
Datacage: Stop execution of dc:container-context earlier if there are nor results at all.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Sat, 22 Jun 2013 00:13:52 +0200 |
| parents | 10fe6758dfb0 |
| children | 201d90f56d98 |
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| 6401:f369d69e3488 | 6402:da1d1df9ab23 |
|---|---|
| 267 if (!(c instanceof Collection)) { | 267 if (!(c instanceof Collection)) { |
| 268 log.warn("dc:container-context: container is not a collection."); | 268 log.warn("dc:container-context: container is not a collection."); |
| 269 return; | 269 return; |
| 270 } | 270 } |
| 271 | 271 |
| 272 Collection<?> collection = (Collection<?>)c; | |
| 273 | |
| 274 // only descent if there are results | |
| 275 if (collection.isEmpty()) { | |
| 276 return; | |
| 277 } | |
| 278 | |
| 272 String [] columnNames = new String[properties.length]; | 279 String [] columnNames = new String[properties.length]; |
| 273 for (int i = 0; i < columnNames.length; ++i) { | 280 for (int i = 0; i < columnNames.length; ++i) { |
| 274 columnNames[i] = properties[i][1]; | 281 columnNames[i] = properties[i][1]; |
| 275 } | 282 } |
| 276 | 283 |
| 277 ResultData rd = new ResultData(columnNames); | 284 ResultData rd = new ResultData(columnNames); |
| 278 | 285 |
| 279 for (Object obj: (Collection<?>)c) { | 286 for (Object obj: collection) { |
| 280 Object [] row = new Object[properties.length]; | 287 Object [] row = new Object[properties.length]; |
| 281 for (int i = 0; i < properties.length; ++i) { | 288 for (int i = 0; i < properties.length; ++i) { |
| 282 row[i] = getProperty(obj, properties[i][0]); | 289 row[i] = getProperty(obj, properties[i][0]); |
| 283 } | 290 } |
| 284 rd.add(row); | 291 rd.add(row); |
| 285 } | 292 } |
| 286 | 293 |
| 287 // only descent if there are results | 294 // A bit of a fake because the data is not from a |
| 288 if (!rd.isEmpty()) { | 295 // real connection. |
| 289 // A bit of a fake because the data is not from a | 296 NamedConnection connection = connectionsStack.isEmpty() |
| 290 // real connection. | 297 ? connections.get(0) |
| 291 NamedConnection connection = connectionsStack.isEmpty() | 298 : connectionsStack.peek().getA(); |
| 292 ? connections.get(0) | 299 |
| 293 : connectionsStack.peek().getA(); | 300 connectionsStack.push( |
| 294 | 301 new Pair<NamedConnection, ResultData>(connection, rd)); |
| 295 connectionsStack.push( | 302 try { |
| 296 new Pair<NamedConnection, ResultData>(connection, rd)); | 303 for (int i = 0, S = subs.getLength(); i < S; ++i) { |
| 297 try { | 304 build(parent, subs.item(i)); |
| 298 for (int i = 0, S = subs.getLength(); i < S; ++i) { | 305 } |
| 299 build(parent, subs.item(i)); | 306 } |
| 300 } | 307 finally { |
| 301 } | 308 connectionsStack.pop(); |
| 302 finally { | |
| 303 connectionsStack.pop(); | |
| 304 } | |
| 305 } | 309 } |
| 306 } | 310 } |
| 307 | 311 |
| 308 /** Poor man's bean access. */ | 312 /** Poor man's bean access. */ |
| 309 private Object getProperty(Object obj, String name) { | 313 private Object getProperty(Object obj, String name) { |