Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/CollectionMonitor.java @ 5721:280093510e1d 3.0.0
Also java encode the info side of the data table
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Mon, 15 Apr 2013 18:41:32 +0200 |
parents | a929d9a9fa1e |
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1 package de.intevation.flys.artifacts; |
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2 |
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3 import java.util.HashMap; |
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4 import java.util.List; |
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5 import java.util.Map; |
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6 |
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7 import javax.xml.xpath.XPathConstants; |
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8 |
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9 import org.w3c.dom.Document; |
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10 import org.w3c.dom.Element; |
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11 import org.w3c.dom.Node; |
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12 |
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13 import de.intevation.artifacts.Artifact; |
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14 import de.intevation.artifacts.ArtifactNamespaceContext; |
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15 import de.intevation.artifacts.CallContext; |
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16 import de.intevation.artifacts.Hook; |
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17 |
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18 import de.intevation.artifacts.common.utils.XMLUtils; |
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19 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator; |
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20 |
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21 import de.intevation.artifactdatabase.state.Output; |
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23 import de.intevation.flys.artifacts.datacage.Recommendations; |
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24 |
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25 /** Monitors collection changes. */ |
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26 public class CollectionMonitor implements Hook { |
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27 |
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28 public static final String XPATH_RESULT = "/art:result"; |
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29 |
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30 |
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31 @Override |
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32 public void setup(Node cfg) { |
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33 } |
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34 |
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35 |
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36 @Override |
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37 public void execute(Artifact artifact, CallContext context, Document doc) { |
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38 FLYSArtifact flys = (FLYSArtifact) artifact; |
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39 |
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40 Element result = (Element) XMLUtils.xpath( |
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41 doc, |
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42 XPATH_RESULT, |
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43 XPathConstants.NODE, |
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44 ArtifactNamespaceContext.INSTANCE); |
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45 |
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46 ElementCreator creator = new ElementCreator( |
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47 doc, |
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48 ArtifactNamespaceContext.NAMESPACE_URI, |
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49 ArtifactNamespaceContext.NAMESPACE_PREFIX); |
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50 |
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51 Element recommended = creator.create("recommended-artifacts"); |
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52 result.appendChild(recommended); |
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53 |
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54 String[] outs = extractOutputNames(flys, context); |
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55 Map<String, Object> params = getNoneUserSpecificParameters(flys, context); |
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56 |
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57 Recommendations rec = Recommendations.getInstance(); |
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58 |
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59 // TODO For newer official-lines recommendations we actually |
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60 // need user-id (null here). |
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61 rec.recommend(flys, null, outs, params, recommended); |
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62 } |
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63 |
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64 |
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65 /** |
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66 * Get outputnames from current state (only the ones for which |
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67 * facets exist). |
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68 */ |
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69 public static String[] extractOutputNames( |
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70 FLYSArtifact flys, |
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71 CallContext context) |
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72 { |
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73 if (flys instanceof ChartArtifact) { |
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74 return new String[0]; |
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75 } |
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76 |
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77 List<Output> outs = flys.getCurrentOutputs(context); |
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78 |
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79 int num = outs == null ? 0 : outs.size(); |
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80 |
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81 String[] names = new String[num]; |
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82 |
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83 for (int i = 0; i < num; i++) { |
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84 names[i] = outs.get(i).getName(); |
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85 } |
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86 |
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87 return names; |
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88 } |
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89 |
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90 |
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91 /** |
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92 * Creates Map from Strings "recommended" to "true". |
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93 */ |
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94 protected Map<String, Object> getNoneUserSpecificParameters( |
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95 FLYSArtifact flys, |
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96 CallContext context) |
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97 { |
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98 Map<String, Object> params = new HashMap<String, Object>(1); |
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99 params.put("recommended", "true"); |
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100 |
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101 return params; |
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102 } |
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103 } |
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104 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |