Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/org/dive4elements/river/artifacts/CollectionMonitor.java @ 5831:bd047b71ab37
Repaired internal references
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 12:06:39 +0200 |
| parents | flys-artifacts/src/main/java/de/intevation/flys/artifacts/CollectionMonitor.java@a929d9a9fa1e |
| children |
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| 5830:160f53ee0870 | 5831:bd047b71ab37 |
|---|---|
| 1 package org.dive4elements.river.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.w3c.dom.Document; | |
| 10 import org.w3c.dom.Element; | |
| 11 import org.w3c.dom.Node; | |
| 12 | |
| 13 import org.dive4elements.artifacts.Artifact; | |
| 14 import org.dive4elements.artifacts.ArtifactNamespaceContext; | |
| 15 import org.dive4elements.artifacts.CallContext; | |
| 16 import org.dive4elements.artifacts.Hook; | |
| 17 | |
| 18 import org.dive4elements.artifacts.common.utils.XMLUtils; | |
| 19 import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator; | |
| 20 | |
| 21 import org.dive4elements.artifactdatabase.state.Output; | |
| 22 | |
| 23 import org.dive4elements.river.artifacts.datacage.Recommendations; | |
| 24 | |
| 25 /** Monitors collection changes. */ | |
| 26 public class CollectionMonitor implements Hook { | |
| 27 | |
| 28 public static final String XPATH_RESULT = "/art:result"; | |
| 29 | |
| 30 | |
| 31 @Override | |
| 32 public void setup(Node cfg) { | |
| 33 } | |
| 34 | |
| 35 | |
| 36 @Override | |
| 37 public void execute(Artifact artifact, CallContext context, Document doc) { | |
| 38 FLYSArtifact flys = (FLYSArtifact) artifact; | |
| 39 | |
| 40 Element result = (Element) XMLUtils.xpath( | |
| 41 doc, | |
| 42 XPATH_RESULT, | |
| 43 XPathConstants.NODE, | |
| 44 ArtifactNamespaceContext.INSTANCE); | |
| 45 | |
| 46 ElementCreator creator = new ElementCreator( | |
| 47 doc, | |
| 48 ArtifactNamespaceContext.NAMESPACE_URI, | |
| 49 ArtifactNamespaceContext.NAMESPACE_PREFIX); | |
| 50 | |
| 51 Element recommended = creator.create("recommended-artifacts"); | |
| 52 result.appendChild(recommended); | |
| 53 | |
| 54 String[] outs = extractOutputNames(flys, context); | |
| 55 Map<String, Object> params = getNoneUserSpecificParameters(flys, context); | |
| 56 | |
| 57 Recommendations rec = Recommendations.getInstance(); | |
| 58 | |
| 59 // TODO For newer official-lines recommendations we actually | |
| 60 // need user-id (null here). | |
| 61 rec.recommend(flys, null, outs, params, recommended); | |
| 62 } | |
| 63 | |
| 64 | |
| 65 /** | |
| 66 * Get outputnames from current state (only the ones for which | |
| 67 * facets exist). | |
| 68 */ | |
| 69 public static String[] extractOutputNames( | |
| 70 FLYSArtifact flys, | |
| 71 CallContext context) | |
| 72 { | |
| 73 if (flys instanceof ChartArtifact) { | |
| 74 return new String[0]; | |
| 75 } | |
| 76 | |
| 77 List<Output> outs = flys.getCurrentOutputs(context); | |
| 78 | |
| 79 int num = outs == null ? 0 : outs.size(); | |
| 80 | |
| 81 String[] names = new String[num]; | |
| 82 | |
| 83 for (int i = 0; i < num; i++) { | |
| 84 names[i] = outs.get(i).getName(); | |
| 85 } | |
| 86 | |
| 87 return names; | |
| 88 } | |
| 89 | |
| 90 | |
| 91 /** | |
| 92 * Creates Map from Strings "recommended" to "true". | |
| 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 : |