Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/services/DistanceInfoService.java @ 9801:1d7a72a50183 3.2.x tip

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Assume Compose V2, consistently
author Tom Gottfried <tom@intevation.de>
date Thu, 23 Nov 2023 10:14:13 +0100
parents 0a5239a1e46e
children
rev   line source
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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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11 import java.util.Iterator;
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12
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13 import org.apache.logging.log4j.Logger;
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14 import org.apache.logging.log4j.LogManager;
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15
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16 import org.w3c.dom.Document;
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17 import org.w3c.dom.Element;
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18
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19 import org.dive4elements.artifacts.CallMeta;
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20 import org.dive4elements.artifacts.GlobalContext;
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21
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22 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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23 import org.dive4elements.artifacts.common.utils.XMLUtils;
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24
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25 import org.dive4elements.river.model.FastAnnotations;
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26
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27 import org.dive4elements.river.artifacts.model.LocationProvider;
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28
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29
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30 /**
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31 * This service provides information about distances of a specified river.
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32 *
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33 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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34 */
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35 public class DistanceInfoService extends D4EService {
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36
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37 /** The log used in this service. */
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38 private static Logger log = LogManager.getLogger(DistanceInfoService.class);
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39
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40 public static final String RIVER_XPATH = "/art:river/text()";
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41
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42 public static final String FILTER_XPATH = "/art:river/art:filter/text()";
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43
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44
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45 /**
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46 * The default constructor.
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47 */
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48 public DistanceInfoService() {
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49 }
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50
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51
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52 @Override
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53 public Document doProcess(
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54 Document data,
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55 GlobalContext globalContext,
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56 CallMeta callMeta
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57 ) {
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58 log.debug("DistanceInfoService.process");
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59
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60 String river = XMLUtils.xpathString(
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61 data, RIVER_XPATH, ArtifactNamespaceContext.INSTANCE);
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62
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63 String filterName = XMLUtils.xpathString(
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64 data, FILTER_XPATH, ArtifactNamespaceContext.INSTANCE);
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65
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66 if (river == null || (river = river.trim()).length() == 0) {
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67 log.warn("No river specified. Cannot return distance info!");
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68 return XMLUtils.newDocument();
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69 }
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70
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71 log.debug("Search distances for river: " + river);
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72
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73 FastAnnotations fas = LocationProvider.getAnnotations(river);
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74
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75 FastAnnotations.Filter filter = selectFilter(filterName);
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76
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77 return buildDocument(fas.filter(filter));
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78 }
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79
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80 protected Document buildDocument(
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81 Iterator<FastAnnotations.Annotation> iter
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82 ) {
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83 Document result = XMLUtils.newDocument();
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84
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85 Element all = result.createElement("distances");
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86
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87 while (iter.hasNext()) {
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88 all.appendChild(buildNode(result, iter.next()));
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89 }
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91 result.appendChild(all);
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92
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93 return result;
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94 }
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95
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96 protected static FastAnnotations.Filter selectFilter(String name) {
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97
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98 if (name != null) {
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99 if ("locations".equals(name)) return FastAnnotations.IS_POINT;
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100 if ("distances".equals(name)) return FastAnnotations.IS_RANGE;
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101 if ("measuringpoint".equals(name))
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102 return new FastAnnotations.NameFilter(".*[Mm]essstelle");
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103 }
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104
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105 return FastAnnotations.ALL;
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106 }
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107
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108 /**
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109 * Builds an Element for a distance info.
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110 *
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111 * @param an The Annotation that provides information about the distance.
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112 *
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113 * @return an Element that contains information about a distance.
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114 */
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115 protected static Element buildNode(
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116 Document document,
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117 FastAnnotations.Annotation an
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118 ) {
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119 Element distance = document.createElement("distance");
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120
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121 distance.setAttribute("description", an.getPosition());
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122
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123 String riverSide = an.getAttribute();
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124
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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125 if (riverSide != null && riverSide.length() > 0) {
3dc61e00385e Merged with trunk and introduced hashing of computed values.
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126 distance.setAttribute("riverside", riverSide);
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127 }
3dc61e00385e Merged with trunk and introduced hashing of computed values.
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parents: 644
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128
2145
e92bc9b0ca1d DistanceInfoService now uses annotations from LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
diff changeset
129 distance.setAttribute("from", String.valueOf(an.getA()));
e92bc9b0ca1d DistanceInfoService now uses annotations from LocationProvider.
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parents: 1631
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130
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
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131 double b = an.getB();
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
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132 double bottom = an.getBottom();
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parents: 1631
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133 double top = an.getTop();
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
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134
e92bc9b0ca1d DistanceInfoService now uses annotations from LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
diff changeset
135 if (!Double.isNaN(b)) {
e92bc9b0ca1d DistanceInfoService now uses annotations from LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
diff changeset
136 distance.setAttribute("to", String.valueOf(b));
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
137 }
2145
e92bc9b0ca1d DistanceInfoService now uses annotations from LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
diff changeset
138
e92bc9b0ca1d DistanceInfoService now uses annotations from LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
diff changeset
139 if (!Double.isNaN(bottom)) {
e92bc9b0ca1d DistanceInfoService now uses annotations from LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
diff changeset
140 distance.setAttribute("bottom", String.valueOf(bottom));
e92bc9b0ca1d DistanceInfoService now uses annotations from LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
diff changeset
141 }
e92bc9b0ca1d DistanceInfoService now uses annotations from LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
diff changeset
142
e92bc9b0ca1d DistanceInfoService now uses annotations from LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
diff changeset
143 if (!Double.isNaN(top)) {
e92bc9b0ca1d DistanceInfoService now uses annotations from LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1631
diff changeset
144 distance.setAttribute("top", String.valueOf(top));
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
145 }
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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146
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
147 return distance;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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148 }
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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149 }
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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150 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org