Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/services/SedimentLoadInfoService.java @ 5863:4897a58c8746

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River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children 35b2d86c3fb5
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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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.SedimentLoad;
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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 public class SedimentLoadInfoService
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26 extends FLYSService
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27 {
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28 /** The logger used in this service. */
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29 private static Logger logger = Logger.getLogger(SedimentLoadInfoService.class);
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30
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31 public static final String RIVER_XPATH = "/art:river/text()";
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32 public static final String TYPE_XPATH = "/art:river/art:type/text()";
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33 public static final String FROM_XPATH = "/art:river/art:location/art:from/text()";
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34 public static final String TO_XPATH = "/art:river/art:location/art:to/text()";
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35
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36 @Override
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37 protected Document doProcess(
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38 Document data,
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39 GlobalContext globalContext,
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40 CallMeta callMeta) {
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41 String river = XMLUtils.xpathString(
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42 data,
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43 RIVER_XPATH,
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44 ArtifactNamespaceContext.INSTANCE);
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45 String type = XMLUtils.xpathString(
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46 data,
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47 TYPE_XPATH,
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48 ArtifactNamespaceContext.INSTANCE);
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49 String from = XMLUtils.xpathString(
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50 data,
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51 FROM_XPATH,
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52 ArtifactNamespaceContext.INSTANCE);
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53 String to = XMLUtils.xpathString(
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54 data,
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55 TO_XPATH,
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56 ArtifactNamespaceContext.INSTANCE);
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57 double f, t;
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58 try {
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59 f = Double.parseDouble(from);
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60 t = Double.parseDouble(to);
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61 }
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62 catch (NumberFormatException nfe) {
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63 logger.warn("Invalid locations. Cannot return sediment loads.");
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64 return XMLUtils.newDocument();
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65 }
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66
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67 SedimentLoad[] loads = SedimentLoadFactory.getLoads(river, type, f, t);
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68 return buildDocument(loads);
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69 }
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70
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71 protected Document buildDocument(SedimentLoad[] loads) {
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72 Document result = XMLUtils.newDocument();
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73 Element all = result.createElement("sedimentloads");
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74 for (SedimentLoad sl : loads) {
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75 Element load = result.createElement("sedimentload");
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76 load.setAttribute("description", sl.getDescription());
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77 if (sl.isEpoch()) {
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78 Calendar calendarS = Calendar.getInstance();
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79 calendarS.setTime(sl.getStart());
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80 Calendar calendarE = Calendar.getInstance();
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81 calendarE.setTime(sl.getEnd());
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82 load.setAttribute(
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83 "date",
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84 calendarS.get(Calendar.YEAR) +
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85 " - " +
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86 calendarE.get(Calendar.YEAR));
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87 }
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88 else {
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89 Calendar calendar = Calendar.getInstance();
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90 calendar.setTime(sl.getStart());
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91 load.setAttribute(
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92 "date",
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93 String.valueOf(calendar.get(Calendar.YEAR)));
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94 }
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95 all.appendChild(load);
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96 }
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97 result.appendChild(all);
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98 return result;
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99 }
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100 }
http://dive4elements.wald.intevation.org