annotate artifacts/src/main/java/org/dive4elements/river/artifacts/WMSHWSLinesArtifact.java @ 8755:30b1ddadf275

(issue1801) Unify reference gauge finding code The basic way as described in the method comment of the determineRefGauge method is now used in the WINFOArtifact, MainValuesService and RiverUtils.getGauge method. RiverUtils.getGauge previously just returned the first gauge found. While this is now a behavior change I believe that it is always more correct then the undeterministic behavior of the previous implmenentation.
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 24 Jun 2015 14:07:26 +0200
parents e4606eae8ea5
children 0a5239a1e46e
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;
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10
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11 import java.util.List;
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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 com.vividsolutions.jts.geom.Envelope;
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16
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17 import org.dive4elements.artifactdatabase.state.DefaultOutput;
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18 import org.dive4elements.artifactdatabase.state.Facet;
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19 import org.dive4elements.artifactdatabase.state.State;
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20
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21 import org.dive4elements.river.model.HWSLine;
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22 import org.dive4elements.river.model.River;
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23
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24 import org.dive4elements.river.artifacts.model.FacetTypes;
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25 import org.dive4elements.river.artifacts.model.RiverFactory;
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26 import org.dive4elements.river.utils.RiverUtils;
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27 import org.dive4elements.river.utils.GeometryUtils;
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28
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29
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30 public class WMSHWSLinesArtifact extends WMSDBArtifact {
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31
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32 public static final String NAME = "hws_lines";
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33
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34
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35 private static final Logger log =
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36 Logger.getLogger(WMSHWSLinesArtifact.class);
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37
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38
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39 @Override
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40 public String getName() {
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41 return NAME;
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42 }
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43
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44
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45 @Override
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46 public State getCurrentState(Object cc) {
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47 State s = new HWSLinesState(this);
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48
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49 List<Facet> fs = getFacets(getCurrentStateId());
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50
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51 DefaultOutput o = new DefaultOutput(
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52 "floodmap",
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53 "floodmap",
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54 "image/png",
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55 fs,
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56 "map");
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57
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58 s.getOutputs().add(o);
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59
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60 return s;
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61 }
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62
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63
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64 public static class HWSLinesState extends WMSDBState implements FacetTypes
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65 {
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66 private static final Logger log =
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67 Logger.getLogger(HWSLinesState.class);
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68
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69 protected int riverId;
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70
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71 public HWSLinesState(WMSDBArtifact artifact) {
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72 super(artifact);
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73 riverId = 0;
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74 }
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75
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76 public int getRiverId() {
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77 if (riverId == 0) {
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78 String ids = artifact.getDataAsString("ids");
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79 String[] parts = ids.split(";");
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80
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81 try {
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82 riverId = Integer.parseInt(parts[0]);
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83 }
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84 catch (NumberFormatException nfe) {
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85 log.error("Cannot parse river id from '" + parts[0] + "'");
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86 }
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87 }
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88
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89 return riverId;
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90 }
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91
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92 @Override
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93 protected String getFacetType() {
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94 return FLOODMAP_HWS_LINES;
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95 }
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96
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97 @Override
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98 protected String getUrl() {
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99 return RiverUtils.getUserWMSUrl(artifact.identifier());
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100 }
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101
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102 @Override
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103 protected String getSrid() {
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104 River river = RiverFactory.getRiver(getRiverId());
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105 return RiverUtils.getRiverSrid(river.getName());
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106 }
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107
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108 @Override
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109 protected Envelope getExtent(boolean reproject) {
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110 List<HWSLine> hws = HWSLine.getLines(getRiverId(), getName());
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111
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112 Envelope max = null;
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113
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114 for (HWSLine h: hws) {
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115 Envelope env = h.getGeom().getEnvelopeInternal();
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116
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117 if (max == null) {
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118 max = env;
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119 continue;
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120 }
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121
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122 max.expandToInclude(env);
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123 }
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124
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125 return max != null && reproject
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126 ? GeometryUtils.transform(max, getSrid())
c8f670ae96e8 Create extent of a map layer in the correct coordinate reference system.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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127 : max;
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128 }
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129
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130 @Override
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131 protected String getFilter() {
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132 return "river_id=" + String.valueOf(getRiverId())
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133 + " AND name='" + getName() + "'";
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134 }
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135
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136 @Override
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137 protected String getDataString() {
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138 String srid = getSrid();
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139
5865
73da40528cf2 River artifacts: Renamed FLYSUtils to RiverUtils.
Sascha L. Teichmann <teichmann@intevation.de>
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140 if (RiverUtils.isUsingOracle()) {
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Andre Heinecke <aheinecke@intevation.de>
parents: 5094
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141 return "geom FROM hws_lines USING SRID " + srid;
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142 }
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143 else {
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144 return "geom FROM hws_lines USING UNIQUE id USING SRID " + srid;
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145 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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146 }
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147
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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148 @Override
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149 protected String getGeometryType() {
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150 return "LINE";
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151 }
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Andre Heinecke <aheinecke@intevation.de>
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152 }
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153 }
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154 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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