Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/services/RiverInfoService.java @ 6921:6f8ce2ec40bd

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Cosmetics, added @Override annotation, vim line.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Mon, 26 Aug 2013 15:24:21 +0200
parents af13ceeba52a
children b73b1ab2155c
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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Sascha L. Teichmann <teichmann@intevation.de>
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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.math.BigDecimal;
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12
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13 import org.apache.log4j.Logger;
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14
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15 import org.w3c.dom.Document;
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16 import org.w3c.dom.Element;
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17
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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.ArtifactNamespaceContext;
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21 import org.dive4elements.artifacts.common.utils.XMLUtils;
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22
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23 import org.dive4elements.river.artifacts.model.RiverFactory;
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24 import org.dive4elements.river.model.River;
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25
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26 /**
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27 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
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28 */
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29 public class RiverInfoService extends D4EService {
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30
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31 private static final Logger logger = Logger.getLogger(
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32 RiverInfoService.class);
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33
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34 protected static final String RIVER_XPATH = "/art:river/text()";
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35
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36 protected XMLUtils.ElementCreator ec;
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37 protected River river;
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38 protected Element riverele;
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39
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parents: 5994
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40 @Override
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41 protected Document doProcess(
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42 Document data,
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43 GlobalContext globalContext,
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44 CallMeta callMeta
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45 ) {
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46 String rivername = XMLUtils.xpathString(
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47 data, RIVER_XPATH, ArtifactNamespaceContext.INSTANCE);
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48
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49 river = RiverFactory.getRiver(rivername);
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50
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51 Document result = XMLUtils.newDocument();
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52
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53 if (river == null) {
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54 logger.warn("No river with name " + rivername + " found.");
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55 return null;
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56 }
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57
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58 ec = new XMLUtils.ElementCreator(
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59 result,
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60 ArtifactNamespaceContext.NAMESPACE_URI,
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61 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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62
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63 riverele = ec.create("river-info");
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64
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65 double[] minmax = river.determineMinMaxDistance();
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66 double[] minmaxq = river.determineMinMaxQ();
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67
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68 Element r = ec.create("river");
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69 ec.addAttr(r, "name", river.getName(), true);
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70 ec.addAttr(r, "start", Double.toString(minmax[0]), true);
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71 ec.addAttr(r, "end", Double.toString(minmax[1]), true);
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72 ec.addAttr(r, "wstunit", river.getWstUnit().getName(), true);
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73 ec.addAttr(r, "kmup", Boolean.toString(river.getKmUp()), true);
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74 ec.addAttr(r, "minq", Double.toString(minmaxq[0]), true);
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75 ec.addAttr(r, "maxq", Double.toString(minmaxq[1]), true);
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76 ec.addAttr(r, "official", Long.toString(river.getOfficialNumber()),
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77 true);
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78
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79 riverele.appendChild(r);
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80 result.appendChild(riverele);
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81
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82 return result;
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83 }
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84
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85 /**
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86 * Returns a Double as String from a BigDecimal value.
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87 *
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88 * If value is null an empty String is returned.
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89 */
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90 protected static String getStringValue(BigDecimal value) {
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91 return value != null
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92 ? Double.toString(value.doubleValue()) : "";
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93 }
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94 }
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95 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org