Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/SedimentLoadInfoService.java @ 4655:cd44d28d0fbc

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Move the access to artifact data to the Access object Use BedHeightAccess class to receive the data from the artifact. This abstracts the data access from the actual artifact.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 11 Dec 2012 09:44:04 +0100
parents 6d44914b2dd4
children b195fede1c3b
rev   line source
4297
6d44914b2dd4 Added serverside service for sediment load info.
Raimund Renkert <rrenkert@intevation.de>
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1 package de.intevation.flys.artifacts.services;
6d44914b2dd4 Added serverside service for sediment load info.
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2
6d44914b2dd4 Added serverside service for sediment load info.
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3 import java.util.Calendar;
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4
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5 import org.apache.log4j.Logger;
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6 import org.w3c.dom.Document;
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7 import org.w3c.dom.Element;
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8
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9 import de.intevation.artifacts.ArtifactNamespaceContext;
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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.utils.XMLUtils;
6d44914b2dd4 Added serverside service for sediment load info.
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13 import de.intevation.flys.artifacts.model.minfo.SedimentLoad;
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14 import de.intevation.flys.artifacts.model.minfo.SedimentLoadFactory;
6d44914b2dd4 Added serverside service for sediment load info.
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15
6d44914b2dd4 Added serverside service for sediment load info.
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16
6d44914b2dd4 Added serverside service for sediment load info.
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17 public class SedimentLoadInfoService
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18 extends FLYSService
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19 {
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20 /** The logger used in this service. */
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21 private static Logger logger = Logger.getLogger(SedimentLoadInfoService.class);
6d44914b2dd4 Added serverside service for sediment load info.
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22
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23 public static final String RIVER_XPATH = "/art:river/text()";
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24 public static final String TYPE_XPATH = "/art:river/art:type/text()";
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25 public static final String FROM_XPATH = "/art:river/art:location/art:from/text()";
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26 public static final String TO_XPATH = "/art:river/art:location/art:to/text()";
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27
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28 @Override
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29 protected Document doProcess(
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30 Document data,
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31 GlobalContext globalContext,
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32 CallMeta callMeta) {
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33 String river = XMLUtils.xpathString(
6d44914b2dd4 Added serverside service for sediment load info.
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34 data,
6d44914b2dd4 Added serverside service for sediment load info.
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35 RIVER_XPATH,
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36 ArtifactNamespaceContext.INSTANCE);
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37 String type = XMLUtils.xpathString(
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38 data,
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39 TYPE_XPATH,
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40 ArtifactNamespaceContext.INSTANCE);
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41 String from = XMLUtils.xpathString(
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42 data,
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43 FROM_XPATH,
6d44914b2dd4 Added serverside service for sediment load info.
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44 ArtifactNamespaceContext.INSTANCE);
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45 String to = XMLUtils.xpathString(
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46 data,
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47 TO_XPATH,
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48 ArtifactNamespaceContext.INSTANCE);
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49 double f, t;
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50 try {
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51 f = Double.parseDouble(from);
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52 t = Double.parseDouble(to);
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53 }
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54 catch (NumberFormatException nfe) {
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55 logger.warn("Invalid locations. Cannot return sediment loads.");
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56 return XMLUtils.newDocument();
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57 }
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58
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59 SedimentLoad[] loads = SedimentLoadFactory.getLoads(river, type, f, t);
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60 return buildDocument(loads);
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61 }
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62
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Raimund Renkert <rrenkert@intevation.de>
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63 protected Document buildDocument(SedimentLoad[] loads) {
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64 Document result = XMLUtils.newDocument();
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65 Element all = result.createElement("sedimentloads");
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66 for (SedimentLoad sl : loads) {
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67 Element load = result.createElement("sedimentload");
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68 load.setAttribute("description", sl.getDescription());
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69 if (sl.isEpoch()) {
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70 Calendar calendarS = Calendar.getInstance();
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71 calendarS.setTime(sl.getStart());
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72 Calendar calendarE = Calendar.getInstance();
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73 calendarE.setTime(sl.getEnd());
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74 load.setAttribute(
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75 "date",
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76 calendarS.get(Calendar.YEAR) +
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77 " - " +
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78 calendarE.get(Calendar.YEAR));
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79 }
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80 else {
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81 Calendar calendar = Calendar.getInstance();
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82 calendar.setTime(sl.getStart());
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83 load.setAttribute(
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84 "date",
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85 String.valueOf(calendar.get(Calendar.YEAR)));
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86 }
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87 all.appendChild(load);
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88 }
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89 result.appendChild(all);
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90 return result;
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91 }
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92 }
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