Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/CollectionMonitor.java @ 2793:6310b1582f2d
merged flys-artifacts/2.7
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:30 +0200 |
| parents | e8fc770d2f8c |
| children | 0f7abd95c6e2 |
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| 2548:ada02bbd3b7f | 2793:6310b1582f2d |
|---|---|
| 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 import de.intevation.flys.artifacts.ChartArtifact; | |
| 27 | |
| 28 public class CollectionMonitor implements Hook { | |
| 29 | |
| 30 public static final String XPATH_RESULT = "/art:result"; | |
| 31 | |
| 32 | |
| 33 private static final Logger logger = | |
| 34 Logger.getLogger(CollectionMonitor.class); | |
| 35 | |
| 36 | |
| 37 @Override | |
| 38 public void setup(Node cfg) { | |
| 39 } | |
| 40 | |
| 41 | |
| 42 @Override | |
| 43 public void execute(Artifact artifact, CallContext context, Document doc) { | |
| 44 FLYSArtifact flys = (FLYSArtifact) artifact; | |
| 45 | |
| 46 Element result = (Element) XMLUtils.xpath( | |
| 47 doc, | |
| 48 XPATH_RESULT, | |
| 49 XPathConstants.NODE, | |
| 50 ArtifactNamespaceContext.INSTANCE); | |
| 51 | |
| 52 ElementCreator creator = new ElementCreator( | |
| 53 doc, | |
| 54 ArtifactNamespaceContext.NAMESPACE_URI, | |
| 55 ArtifactNamespaceContext.NAMESPACE_PREFIX); | |
| 56 | |
| 57 Element recommended = creator.create("recommended-artifacts"); | |
| 58 result.appendChild(recommended); | |
| 59 | |
| 60 String[] outs = extractOutputNames(flys, context); | |
| 61 Map<String, Object> params = getNoneUserSpecificParameters(flys, context); | |
| 62 | |
| 63 Recommendations rec = Recommendations.getInstance(); | |
| 64 rec.recommend(flys, null, outs, params, recommended); | |
| 65 } | |
| 66 | |
| 67 | |
| 68 /** | |
| 69 * Get outputnames from current state (only the ones for which | |
| 70 * facets exist). | |
| 71 */ | |
| 72 public static String[] extractOutputNames( | |
| 73 FLYSArtifact flys, | |
| 74 CallContext context) | |
| 75 { | |
| 76 if (flys instanceof ChartArtifact) { | |
| 77 return new String[0]; | |
| 78 } | |
| 79 | |
| 80 List<Output> outs = flys.getCurrentOutputs(context); | |
| 81 | |
| 82 int num = outs == null ? 0 : outs.size(); | |
| 83 | |
| 84 String[] names = new String[num]; | |
| 85 | |
| 86 for (int i = 0; i < num; i++) { | |
| 87 names[i] = outs.get(i).getName(); | |
| 88 } | |
| 89 | |
| 90 return names; | |
| 91 } | |
| 92 | |
| 93 | |
| 94 protected Map<String, Object> getNoneUserSpecificParameters( | |
| 95 FLYSArtifact flys, | |
| 96 CallContext context) | |
| 97 { | |
| 98 Map<String, Object> params = new HashMap<String, Object>(1); | |
| 99 params.put("recommended", "true"); | |
| 100 | |
| 101 return params; | |
| 102 } | |
| 103 } | |
| 104 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |