Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/services/RiverInfoService.java @ 6839:fe03337c8011
(issue1353) Add river name handling
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Thu, 15 Aug 2013 16:05:17 +0200 |
parents | af13ceeba52a |
children | 6f8ce2ec40bd |
rev | line source |
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River artifacts: Added new copyright headers.
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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 logger = 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 protected Document doProcess( |
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41 Document data, |
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42 GlobalContext globalContext, |
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43 CallMeta callMeta |
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44 ) { |
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45 String rivername = XMLUtils.xpathString( |
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46 data, RIVER_XPATH, ArtifactNamespaceContext.INSTANCE); |
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47 |
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48 river = RiverFactory.getRiver(rivername); |
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49 |
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50 Document result = XMLUtils.newDocument(); |
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51 |
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52 if (river == null) { |
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53 logger.warn("No river with name " + rivername + " found."); |
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54 return null; |
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55 } |
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56 |
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57 ec = new XMLUtils.ElementCreator( |
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58 result, |
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59 ArtifactNamespaceContext.NAMESPACE_URI, |
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60 ArtifactNamespaceContext.NAMESPACE_PREFIX); |
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61 |
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62 riverele = ec.create("river-info"); |
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63 |
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64 double[] minmax = river.determineMinMaxDistance(); |
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65 double[] minmaxq = river.determineMinMaxQ(); |
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66 |
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67 Element r = ec.create("river"); |
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68 ec.addAttr(r, "name", river.getName(), true); |
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69 ec.addAttr(r, "start", Double.toString(minmax[0]), true); |
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70 ec.addAttr(r, "end", Double.toString(minmax[1]), true); |
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71 ec.addAttr(r, "wstunit", river.getWstUnit().getName(), true); |
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72 ec.addAttr(r, "kmup", Boolean.toString(river.getKmUp()), true); |
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73 ec.addAttr(r, "minq", Double.toString(minmaxq[0]), true); |
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74 ec.addAttr(r, "maxq", Double.toString(minmaxq[1]), true); |
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75 ec.addAttr(r, "official", Long.toString(river.getOfficialNumber()), |
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76 true); |
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77 |
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78 riverele.appendChild(r); |
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79 result.appendChild(riverele); |
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80 |
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81 return result; |
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82 } |
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83 |
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84 /** |
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85 * Returns a Double as String from a BigDecimal value. |
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86 * |
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87 * If value is null an empty String is returned. |
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88 */ |
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89 protected static String getStringValue(BigDecimal value) { |
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90 return value != null |
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91 ? Double.toString(value.doubleValue()) : ""; |
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92 } |
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93 } |