Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/CollectionMonitor.java @ 2132:e8fc770d2f8c

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'New Chart' for computed discharge curve. flys-artifacts/trunk@3707 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Wed, 18 Jan 2012 14:36:16 +0000
parents 94871b7ce9e9
children 0f7abd95c6e2
rev   line source
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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.apache.log4j.Logger;
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10
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11 import org.w3c.dom.Document;
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12 import org.w3c.dom.Element;
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13 import org.w3c.dom.Node;
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14
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15 import de.intevation.artifacts.Artifact;
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16 import de.intevation.artifacts.ArtifactNamespaceContext;
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17 import de.intevation.artifacts.CallContext;
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18 import de.intevation.artifacts.Hook;
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19
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20 import de.intevation.artifacts.common.utils.XMLUtils;
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21 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
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22
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23 import de.intevation.artifactdatabase.state.Output;
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24
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25 import de.intevation.flys.artifacts.datacage.Recommendations;
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26 import de.intevation.flys.artifacts.ChartArtifact;
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27
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28 public class CollectionMonitor implements Hook {
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29
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30 public static final String XPATH_RESULT = "/art:result";
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32
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33 private static final Logger logger =
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34 Logger.getLogger(CollectionMonitor.class);
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35
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36
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37 @Override
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38 public void setup(Node cfg) {
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39 }
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41
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42 @Override
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43 public void execute(Artifact artifact, CallContext context, Document doc) {
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44 FLYSArtifact flys = (FLYSArtifact) artifact;
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45
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46 Element result = (Element) XMLUtils.xpath(
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47 doc,
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48 XPATH_RESULT,
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49 XPathConstants.NODE,
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50 ArtifactNamespaceContext.INSTANCE);
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51
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52 ElementCreator creator = new ElementCreator(
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53 doc,
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54 ArtifactNamespaceContext.NAMESPACE_URI,
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55 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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56
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57 Element recommended = creator.create("recommended-artifacts");
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58 result.appendChild(recommended);
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59
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60 String[] outs = extractOutputNames(flys, context);
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61 Map<String, Object> params = getNoneUserSpecificParameters(flys, context);
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62
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63 Recommendations rec = Recommendations.getInstance();
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64 rec.recommend(flys, null, outs, params, recommended);
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65 }
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66
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67
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68 /**
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69 * Get outputnames from current state (only the ones for which
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70 * facets exist).
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71 */
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72 public static String[] extractOutputNames(
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73 FLYSArtifact flys,
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74 CallContext context)
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75 {
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76 if (flys instanceof ChartArtifact) {
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77 return new String[0];
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78 }
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79
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80 List<Output> outs = flys.getCurrentOutputs(context);
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81
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82 int num = outs == null ? 0 : outs.size();
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83
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84 String[] names = new String[num];
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85
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86 for (int i = 0; i < num; i++) {
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87 names[i] = outs.get(i).getName();
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88 }
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89
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90 return names;
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91 }
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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 :
http://dive4elements.wald.intevation.org