Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/services/SedimentLoadInfoService.java @ 8024:963ede7b32bb
Renamed SedimentLoad to SedimentLoadLSData to make place for SedimentLoad in backend.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Wed, 09 Jul 2014 17:33:57 +0200 |
parents | b68798973da2 |
children | 2c21fd1ade39 |
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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.util.Calendar; |
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12 |
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13 import org.apache.log4j.Logger; |
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14 import org.w3c.dom.Document; |
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15 import org.w3c.dom.Element; |
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16 |
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17 import org.dive4elements.artifacts.ArtifactNamespaceContext; |
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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.utils.XMLUtils; |
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21 import org.dive4elements.river.artifacts.model.minfo.SedimentLoadLSData; |
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22 import org.dive4elements.river.artifacts.model.minfo.SedimentLoadFactory; |
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23 |
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24 |
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25 /** Service delivering info about sediment loads. */ |
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26 public class SedimentLoadInfoService |
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27 extends D4EService |
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28 { |
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29 /** The logger used in this service. */ |
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30 private static Logger logger = Logger.getLogger(SedimentLoadInfoService.class); |
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31 |
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32 public static final String RIVER_XPATH = "/art:river/text()"; |
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33 public static final String TYPE_XPATH = "/art:river/art:type/text()"; |
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34 public static final String FROM_XPATH = "/art:river/art:location/art:from/text()"; |
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35 public static final String TO_XPATH = "/art:river/art:location/art:to/text()"; |
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36 |
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37 /** |
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38 * Create document with sedimentload infos, |
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39 * constrained by contents in data. |
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40 */ |
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41 @Override |
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42 protected Document doProcess( |
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43 Document data, |
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44 GlobalContext globalContext, |
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45 CallMeta callMeta) { |
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46 String river = XMLUtils.xpathString( |
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47 data, |
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48 RIVER_XPATH, |
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49 ArtifactNamespaceContext.INSTANCE); |
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50 String type = XMLUtils.xpathString( |
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51 data, |
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52 TYPE_XPATH, |
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53 ArtifactNamespaceContext.INSTANCE); |
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54 String from = XMLUtils.xpathString( |
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55 data, |
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56 FROM_XPATH, |
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57 ArtifactNamespaceContext.INSTANCE); |
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58 String to = XMLUtils.xpathString( |
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59 data, |
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60 TO_XPATH, |
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61 ArtifactNamespaceContext.INSTANCE); |
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62 double fromD, toD; |
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63 try { |
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64 fromD = Double.parseDouble(from); |
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65 toD = Double.parseDouble(to); |
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66 } |
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67 catch (NumberFormatException nfe) { |
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68 logger.warn("Invalid locations. Cannot return sediment loads."); |
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69 return XMLUtils.newDocument(); |
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70 } |
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71 |
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72 SedimentLoadLSData[] loads = |
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73 SedimentLoadFactory.getLoads(river, type, fromD, toD); |
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74 return buildDocument(loads); |
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75 } |
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76 |
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77 protected Document buildDocument(SedimentLoadLSData[] loads) { |
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78 Document result = XMLUtils.newDocument(); |
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79 Element all = result.createElement("sedimentloads"); |
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80 for (SedimentLoadLSData sl : loads) { |
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81 Element load = result.createElement("sedimentload"); |
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82 load.setAttribute("description", sl.getDescription()); |
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83 if (sl.isEpoch()) { |
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84 Calendar calendarS = Calendar.getInstance(); |
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85 calendarS.setTime(sl.getStart()); |
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86 Calendar calendarE = Calendar.getInstance(); |
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87 calendarE.setTime(sl.getEnd()); |
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88 load.setAttribute( |
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89 "date", |
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90 calendarS.get(Calendar.YEAR) + |
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91 " - " + |
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92 calendarE.get(Calendar.YEAR)); |
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93 } |
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94 else { |
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95 Calendar calendar = Calendar.getInstance(); |
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96 calendar.setTime(sl.getStart()); |
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97 load.setAttribute( |
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98 "date", |
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99 String.valueOf(calendar.get(Calendar.YEAR))); |
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100 } |
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101 all.appendChild(load); |
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102 } |
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103 result.appendChild(all); |
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104 return result; |
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105 } |
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106 } |
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107 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |