Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/sq/SQPeriodSelect.java @ 8733:8dbb969091c5
Removed obsolete imports.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Thu, 30 Apr 2015 19:57:45 +0200 |
parents | 3b85c8cee94b |
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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.states.sq; |
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10 |
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11 import java.util.Date; |
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12 import java.util.List; |
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13 import java.util.TreeSet; |
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14 |
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15 import org.w3c.dom.Element; |
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16 |
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17 import org.dive4elements.river.artifacts.states.PeriodsSelect; |
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18 import org.dive4elements.river.artifacts.access.RangeAccess; |
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19 import org.dive4elements.river.artifacts.D4EArtifact; |
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20 import org.dive4elements.river.artifacts.model.SQOverview; |
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21 import org.dive4elements.river.artifacts.model.SQOverviewFactory; |
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22 |
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23 import org.dive4elements.river.utils.KMIndex; |
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24 |
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25 import org.dive4elements.artifacts.common.utils.XMLUtils; |
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26 import org.dive4elements.artifacts.Artifact; |
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27 import org.dive4elements.artifacts.CallContext; |
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28 |
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29 import org.dive4elements.river.backend.utils.EpsilonComparator; |
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30 |
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31 public class SQPeriodSelect extends PeriodsSelect { |
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32 |
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33 public static final String UI_PROVIDER = "sq.period.select"; |
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34 |
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35 private static final long serialVersionUID = 1L; |
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36 |
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37 /** Get either the start date of the data or the end. */ |
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38 protected Long getDataMinMaxDate(Artifact artifact, boolean minDate) { |
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39 D4EArtifact arti = (D4EArtifact) artifact; |
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40 RangeAccess access = new RangeAccess(arti); |
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41 double km = access.getLocations()[0]; |
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42 |
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43 SQOverview overview = SQOverviewFactory.getOverview(access.getRiverName()); |
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44 |
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45 /* Filter is not implemented and only checks if a complete |
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46 * KMIndex list is acceptable or not. So KMFiltering wont work */ |
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47 KMIndex<List<Date>> entries = overview.filter(SQOverview.ACCEPT); |
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48 TreeSet<Date> allDates = new TreeSet<Date>(); |
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49 |
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50 for (int i = 0; i < entries.size(); i++) { |
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51 if (EpsilonComparator.CMP.compare(entries.get(i).getKm(), km) == 0) { |
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52 allDates.addAll(entries.get(i).getValue()); |
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53 } |
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54 } |
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55 if (allDates.size() < 2) { |
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56 return null; |
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57 } |
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58 |
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59 return minDate ? allDates.first().getTime() : allDates.last().getTime(); |
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60 } |
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61 |
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62 @Override |
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63 protected Element[] createItems( |
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64 XMLUtils.ElementCreator cr, |
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65 Artifact artifact, |
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66 String name, |
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67 CallContext context) |
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68 { |
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69 if (!name.equals("start") && !name.equals("end")) { |
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70 return null; |
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71 } |
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72 Long value = getDataMinMaxDate(artifact, name.equals("start")); |
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73 if (value == null) { |
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74 return null; |
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75 } |
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76 Element def = createItem( |
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77 cr, |
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78 new String[] {"default", value.toString()}); |
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79 |
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80 return new Element[] { def }; |
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81 } |
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82 |
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83 @Override |
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84 public String getUIProvider() { |
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85 return UI_PROVIDER; |
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86 } |
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87 } |
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88 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |