Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/CollectionMonitor.java @ 3468:f37e7e8907cb
merged flys-artifacts/2.8.1
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:39 +0200 |
| parents | 2b3c4abe034f |
| children | 58bdf95df5e4 |
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| 3387:5ffad8bde8ad | 3468:f37e7e8907cb |
|---|---|
| 1 package de.intevation.flys.artifacts; | |
| 2 | |
| 3 import java.util.HashMap; | |
| 4 import java.util.List; | |
| 5 import java.util.Map; | |
| 6 | |
| 7 import javax.xml.xpath.XPathConstants; | |
| 8 | |
| 9 import org.apache.log4j.Logger; | |
| 10 | |
| 11 import org.w3c.dom.Document; | |
| 12 import org.w3c.dom.Element; | |
| 13 import org.w3c.dom.Node; | |
| 14 | |
| 15 import de.intevation.artifacts.Artifact; | |
| 16 import de.intevation.artifacts.ArtifactNamespaceContext; | |
| 17 import de.intevation.artifacts.CallContext; | |
| 18 import de.intevation.artifacts.Hook; | |
| 19 | |
| 20 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 21 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator; | |
| 22 | |
| 23 import de.intevation.artifactdatabase.state.Output; | |
| 24 | |
| 25 import de.intevation.flys.artifacts.datacage.Recommendations; | |
| 26 | |
| 27 public class CollectionMonitor implements Hook { | |
| 28 | |
| 29 public static final String XPATH_RESULT = "/art:result"; | |
| 30 | |
| 31 private static final Logger logger = | |
| 32 Logger.getLogger(CollectionMonitor.class); | |
| 33 | |
| 34 | |
| 35 @Override | |
| 36 public void setup(Node cfg) { | |
| 37 } | |
| 38 | |
| 39 | |
| 40 @Override | |
| 41 public void execute(Artifact artifact, CallContext context, Document doc) { | |
| 42 FLYSArtifact flys = (FLYSArtifact) artifact; | |
| 43 | |
| 44 Element result = (Element) XMLUtils.xpath( | |
| 45 doc, | |
| 46 XPATH_RESULT, | |
| 47 XPathConstants.NODE, | |
| 48 ArtifactNamespaceContext.INSTANCE); | |
| 49 | |
| 50 ElementCreator creator = new ElementCreator( | |
| 51 doc, | |
| 52 ArtifactNamespaceContext.NAMESPACE_URI, | |
| 53 ArtifactNamespaceContext.NAMESPACE_PREFIX); | |
| 54 | |
| 55 Element recommended = creator.create("recommended-artifacts"); | |
| 56 result.appendChild(recommended); | |
| 57 | |
| 58 String[] outs = extractOutputNames(flys, context); | |
| 59 Map<String, Object> params = getNoneUserSpecificParameters(flys, context); | |
| 60 | |
| 61 Recommendations rec = Recommendations.getInstance(); | |
| 62 | |
| 63 // TODO For newer official-lines recommendations we actually | |
| 64 // need user-id (null here). | |
| 65 rec.recommend(flys, null, outs, params, recommended); | |
| 66 } | |
| 67 | |
| 68 | |
| 69 /** | |
| 70 * Get outputnames from current state (only the ones for which | |
| 71 * facets exist). | |
| 72 */ | |
| 73 public static String[] extractOutputNames( | |
| 74 FLYSArtifact flys, | |
| 75 CallContext context) | |
| 76 { | |
| 77 if (flys instanceof ChartArtifact) { | |
| 78 return new String[0]; | |
| 79 } | |
| 80 | |
| 81 List<Output> outs = flys.getCurrentOutputs(context); | |
| 82 | |
| 83 int num = outs == null ? 0 : outs.size(); | |
| 84 | |
| 85 String[] names = new String[num]; | |
| 86 | |
| 87 for (int i = 0; i < num; i++) { | |
| 88 names[i] = outs.get(i).getName(); | |
| 89 } | |
| 90 | |
| 91 return names; | |
| 92 } | |
| 93 | |
| 94 | |
| 95 protected Map<String, Object> getNoneUserSpecificParameters( | |
| 96 FLYSArtifact flys, | |
| 97 CallContext context) | |
| 98 { | |
| 99 Map<String, Object> params = new HashMap<String, Object>(1); | |
| 100 params.put("recommended", "true"); | |
| 101 | |
| 102 return params; | |
| 103 } | |
| 104 } | |
| 105 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |