Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/services/RiverInfoService.java @ 8755:30b1ddadf275

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(issue1801) Unify reference gauge finding code The basic way as described in the method comment of the determineRefGauge method is now used in the WINFOArtifact, MainValuesService and RiverUtils.getGauge method. RiverUtils.getGauge previously just returned the first gauge found. While this is now a behavior change I believe that it is always more correct then the undeterministic behavior of the previous implmenentation.
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 24 Jun 2015 14:07:26 +0200
parents e4606eae8ea5
children c4ce25093953
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.services;
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10
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11 import java.math.BigDecimal;
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12
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13 import org.apache.log4j.Logger;
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14
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15 import org.w3c.dom.Document;
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16 import org.w3c.dom.Element;
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17
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18 import org.dive4elements.artifacts.CallMeta;
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19 import org.dive4elements.artifacts.GlobalContext;
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20 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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21 import org.dive4elements.artifacts.common.utils.XMLUtils;
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22
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23 import org.dive4elements.river.artifacts.model.RiverFactory;
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24 import org.dive4elements.river.model.River;
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25
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26 /**
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27 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
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28 */
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29 public class RiverInfoService extends D4EService {
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30
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31 private static final Logger log = Logger.getLogger(
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32 RiverInfoService.class);
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33
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34 protected static final String RIVER_XPATH = "/art:river/text()";
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35
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36 protected XMLUtils.ElementCreator ec;
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37 protected River river;
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38 protected Element riverele;
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39
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40 @Override
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41 protected Document doProcess(
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42 Document data,
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43 GlobalContext globalContext,
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44 CallMeta callMeta
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45 ) {
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46 String rivername = XMLUtils.xpathString(
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47 data, RIVER_XPATH, ArtifactNamespaceContext.INSTANCE);
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48
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49 river = RiverFactory.getRiver(rivername);
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50
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51 Document result = XMLUtils.newDocument();
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52
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53 if (river == null) {
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54 log.warn("No river with name " + rivername + " found.");
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55 return null;
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56 }
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57
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58 ec = new XMLUtils.ElementCreator(
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59 result,
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60 ArtifactNamespaceContext.NAMESPACE_URI,
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61 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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62
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63 riverele = ec.create("river-info");
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64
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65 double[] minmax = river.determineMinMaxDistance();
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66 double[] minmaxq = river.determineMinMaxQ();
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67
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68 Element r = ec.create("river");
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69 ec.addAttr(r, "name", river.getName(), true);
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70 ec.addAttr(r, "start", Double.toString(minmax[0]), true);
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71 ec.addAttr(r, "end", Double.toString(minmax[1]), true);
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72 ec.addAttr(r, "wstunit", river.getWstUnit().getName(), true);
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73 ec.addAttr(r, "kmup", Boolean.toString(river.getKmUp()), true);
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74 ec.addAttr(r, "minq", Double.toString(minmaxq[0]), true);
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75 ec.addAttr(r, "maxq", Double.toString(minmaxq[1]), true);
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76 ec.addAttr(r, "official", Long.toString(river.getOfficialNumber()),
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77 true);
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78 ec.addAttr(r, "model-uuid", river.getModelUuid(), true);
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79
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80 riverele.appendChild(r);
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81 result.appendChild(riverele);
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82
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83 return result;
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84 }
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85
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86 /**
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87 * Returns a Double as String from a BigDecimal value.
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88 *
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89 * If value is null an empty String is returned.
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90 */
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91 protected static String getStringValue(BigDecimal value) {
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92 return value != null
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93 ? Double.toString(value.doubleValue()) : "";
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94 }
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95 }
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96 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org