Mercurial > dive4elements > framework
comparison artifact-database/src/main/java/de/intevation/artifactdatabase/ArtifactDatabaseImpl.java @ 273:22a90706d32d
Enables the artifact server to set the TTL of a specific collection via REST call.
artifacts/trunk@2070 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Tue, 07 Jun 2011 16:27:47 +0000 |
| parents | d9a99b28a847 |
| children | e92d5944fe4b |
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| 272:2ce31a9414ff | 273:22a90706d32d |
|---|---|
| 219 * XPath to figure out the attributes for an artifact that is put into a | 219 * XPath to figure out the attributes for an artifact that is put into a |
| 220 * collection. | 220 * collection. |
| 221 */ | 221 */ |
| 222 public static final String XPATH_COLLECTION_ITEM_ATTRIBUTE = | 222 public static final String XPATH_COLLECTION_ITEM_ATTRIBUTE = |
| 223 "/art:action/art:type/art:artifact/art:attribute"; | 223 "/art:action/art:type/art:artifact/art:attribute"; |
| 224 | |
| 225 /** | |
| 226 * XPath to figure out the time to live value for setting a new TTL. | |
| 227 */ | |
| 228 public static final String XPATH_COLLECTION_TTL = | |
| 229 "/art:action/art:type/art:ttl/@value"; | |
| 224 | 230 |
| 225 | 231 |
| 226 /** | 232 /** |
| 227 * This inner class allows the deferral of writing the output | 233 * This inner class allows the deferral of writing the output |
| 228 * of the artifact's out() call. | 234 * of the artifact's out() call. |
| 1483 result.appendChild(root); | 1489 result.appendChild(root); |
| 1484 | 1490 |
| 1485 return result; | 1491 return result; |
| 1486 } | 1492 } |
| 1487 | 1493 |
| 1494 public Document setCollectionTTL(String uuid, Document doc, CallMeta meta) | |
| 1495 throws ArtifactDatabaseException | |
| 1496 { | |
| 1497 Document result = XMLUtils.newDocument(); | |
| 1498 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( | |
| 1499 result, | |
| 1500 ArtifactNamespaceContext.NAMESPACE_URI, | |
| 1501 ArtifactNamespaceContext.NAMESPACE_PREFIX); | |
| 1502 | |
| 1503 Element root = ec.create("result"); | |
| 1504 result.appendChild(root); | |
| 1505 | |
| 1506 String tmp = XMLUtils.xpathString( | |
| 1507 doc, XPATH_COLLECTION_TTL, ArtifactNamespaceContext.INSTANCE); | |
| 1508 | |
| 1509 logger.info("Set TTL of artifact collection '" + uuid + "' to: " + tmp); | |
| 1510 | |
| 1511 if (tmp == null || tmp.length() == 0) { | |
| 1512 logger.warn("No ttl for this collection specified."); | |
| 1513 root.setTextContent(OPERATION_FAILURE); | |
| 1514 | |
| 1515 return result; | |
| 1516 } | |
| 1517 | |
| 1518 Long ttl = null; | |
| 1519 if ((tmp = tmp.toUpperCase()).equals("INF")) { | |
| 1520 ttl = null; | |
| 1521 } | |
| 1522 else if (tmp.equals("DEFAULT")) { | |
| 1523 ArtifactCollectionFactory acf = getArtifactCollectionFactory(); | |
| 1524 ttl = acf.timeToLiveUntouched(null, context); | |
| 1525 } | |
| 1526 else { | |
| 1527 try { | |
| 1528 ttl = Long.valueOf(tmp); | |
| 1529 | |
| 1530 if (ttl < 0) { | |
| 1531 throw new NumberFormatException("Negative value."); | |
| 1532 } | |
| 1533 } | |
| 1534 catch (NumberFormatException nfe) { | |
| 1535 logger.error("Could not determine TTL", nfe); | |
| 1536 root.setTextContent(OPERATION_FAILURE); | |
| 1537 return result; | |
| 1538 } | |
| 1539 } | |
| 1540 | |
| 1541 boolean success = backend.setCollectionTTL(uuid, ttl); | |
| 1542 root.setTextContent(success ? OPERATION_SUCCESSFUL: OPERATION_FAILURE); | |
| 1543 | |
| 1544 return result; | |
| 1545 } | |
| 1546 | |
| 1488 public DeferredOutput outCollection( | 1547 public DeferredOutput outCollection( |
| 1489 String collectionId, | 1548 String collectionId, |
| 1490 Document format, | 1549 Document format, |
| 1491 CallMeta callMeta) | 1550 CallMeta callMeta) |
| 1492 throws ArtifactDatabaseException | 1551 throws ArtifactDatabaseException |