Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/RiverInfoService.java @ 6991:b656568bcb2b dc-km-filter-rr
Closing inaktive branch "dc-km-filter-rr".
author | Bernhard Reiter <bernhard@intevation.de> |
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date | Wed, 11 Sep 2013 15:40:51 +0200 |
parents | 5da024c2af62 |
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1 package de.intevation.flys.artifacts.services; |
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2 |
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3 import java.math.BigDecimal; |
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4 |
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5 import org.apache.log4j.Logger; |
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6 |
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7 import org.w3c.dom.Document; |
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8 import org.w3c.dom.Element; |
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9 |
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10 import de.intevation.artifacts.CallMeta; |
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11 import de.intevation.artifacts.GlobalContext; |
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12 import de.intevation.artifacts.common.ArtifactNamespaceContext; |
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13 import de.intevation.artifacts.common.utils.XMLUtils; |
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14 |
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15 import de.intevation.flys.artifacts.model.RiverFactory; |
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16 import de.intevation.flys.model.River; |
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17 |
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18 /** |
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19 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> |
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20 */ |
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21 public class RiverInfoService extends FLYSService { |
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22 |
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23 private static final Logger logger = Logger.getLogger( |
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24 RiverInfoService.class); |
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25 |
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26 protected static final String RIVER_XPATH = "/art:river/text()"; |
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27 |
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28 protected XMLUtils.ElementCreator ec; |
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29 protected River river; |
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30 protected Element riverele; |
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31 |
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32 protected Document doProcess( |
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33 Document data, |
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34 GlobalContext globalContext, |
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35 CallMeta callMeta |
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36 ) { |
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37 String rivername = XMLUtils.xpathString( |
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38 data, RIVER_XPATH, ArtifactNamespaceContext.INSTANCE); |
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39 |
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40 river = RiverFactory.getRiver(rivername); |
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41 |
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42 Document result = XMLUtils.newDocument(); |
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43 |
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44 if (river == null) { |
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45 logger.warn("No river with name " + rivername + " found."); |
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46 return null; |
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47 } |
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48 |
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49 ec = new XMLUtils.ElementCreator( |
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50 result, |
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51 ArtifactNamespaceContext.NAMESPACE_URI, |
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52 ArtifactNamespaceContext.NAMESPACE_PREFIX); |
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53 |
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54 riverele = ec.create("river-info"); |
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55 |
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56 double[] minmax = river.determineMinMaxDistance(); |
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57 double[] minmaxq = river.determineMinMaxQ(); |
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58 |
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59 Element r = ec.create("river"); |
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60 ec.addAttr(r, "name", river.getName(), true); |
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61 ec.addAttr(r, "start", Double.toString(minmax[0]), true); |
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62 ec.addAttr(r, "end", Double.toString(minmax[1]), true); |
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63 ec.addAttr(r, "wstunit", river.getWstUnit().getName(), true); |
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64 ec.addAttr(r, "kmup", Boolean.toString(river.getKmUp()), true); |
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65 ec.addAttr(r, "minq", Double.toString(minmaxq[0]), true); |
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66 ec.addAttr(r, "maxq", Double.toString(minmaxq[1]), true); |
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67 ec.addAttr(r, "official", Long.toString(river.getOfficialNumber()), |
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68 true); |
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69 |
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70 riverele.appendChild(r); |
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71 result.appendChild(riverele); |
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72 |
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73 return result; |
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74 } |
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75 |
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76 /** |
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77 * Returns a Double as String from a BigDecimal value. |
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78 * |
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79 * If value is null an empty String is returned. |
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80 */ |
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81 protected static String getStringValue(BigDecimal value) { |
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82 return value != null |
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83 ? Double.toString(value.doubleValue()) : ""; |
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84 } |
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85 } |