Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/WMSGaugeLocationArtifact.java @ 6693:88bb0c794833

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issue1391: Enable GaugeDischarge artifact to directly load a table by its ID This allows us to use the GaugeDischargeArtifact for any discharge tables that we have in our database. The name of the created facet is taken from the ids string as is also usual in the WMS artifacts.
author Andre Heinecke <aheinecke@intevation.de>
date Mon, 29 Jul 2013 12:19:57 +0200
parents af13ceeba52a
children 8d5ca5175038
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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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.w3c.dom.Document;
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14
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15 import org.apache.log4j.Logger;
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16
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17 import com.vividsolutions.jts.geom.Envelope;
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18 import com.vividsolutions.jts.geom.Geometry;
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19
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20 import org.dive4elements.artifacts.ArtifactFactory;
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21 import org.dive4elements.artifacts.CallMeta;
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22
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23 import org.dive4elements.artifactdatabase.state.Facet;
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24 import org.dive4elements.artifactdatabase.state.DefaultOutput;
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25 import org.dive4elements.artifactdatabase.state.State;
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26
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27 import org.dive4elements.river.model.River;
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28 import org.dive4elements.river.model.GaugeLocation;
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29
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30 import org.dive4elements.river.artifacts.WMSDBArtifact.WMSDBState;
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31 import org.dive4elements.river.artifacts.model.FacetTypes;
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32 import org.dive4elements.river.artifacts.model.RiverFactory;
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33 import org.dive4elements.river.utils.RiverUtils;
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34 import org.dive4elements.river.utils.GeometryUtils;
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35
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36
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37 public class WMSGaugeLocationArtifact extends WMSDBArtifact {
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38
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39 public static final String NAME = "wmsgaugelocation";
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40
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41
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42 private static final Logger logger =
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43 Logger.getLogger(WMSGaugeLocationArtifact.class);
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44
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45
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46 @Override
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47 public void setup(
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48 String identifier,
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49 ArtifactFactory factory,
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50 Object context,
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51 CallMeta callMeta,
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52 Document data)
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53 {
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54 logger.debug("WMSGaugeLocationArtifact.setup");
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55
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56 super.setup(identifier, factory, context, callMeta, data);
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57 }
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58
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59
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60 @Override
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61 public String getName() {
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62 return NAME;
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63 }
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64
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65
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66 @Override
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67 public State getCurrentState(Object cc) {
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68 State s = new WMSGaugeLocationState(this);
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69
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70 List<Facet> fs = getFacets(getCurrentStateId());
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71
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72 DefaultOutput o = new DefaultOutput(
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73 "floodmap",
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74 "floodmap",
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75 "image/png",
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76 fs,
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77 "map");
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78
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79 s.getOutputs().add(o);
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80
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81 return s;
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82 }
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83
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84
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85
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86 public static class WMSGaugeLocationState extends WMSDBState implements FacetTypes {
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87
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88 private static final Logger logger =
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89 Logger.getLogger(WMSGaugeLocationState.class);
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90
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91 protected Geometry geom;
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92
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93 public WMSGaugeLocationState(WMSDBArtifact artifact) {
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94 super(artifact);
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95 }
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96
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97 @Override
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98 protected String getFacetType() {
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99 return FLOODMAP_GAUGE_LOCATION;
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100 }
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101
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102 @Override
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103 protected String getUrl() {
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104 return RiverUtils.getUserWMSUrl(artifact.identifier());
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105 }
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106
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107 @Override
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108 protected String getSrid() {
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109 River river = RiverFactory.getRiver(getRiverId());
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110 return RiverUtils.getRiverSrid(river.getName());
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111 }
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112
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113 @Override
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114 protected Envelope getExtent(boolean reproject) {
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115 List<GaugeLocation> gauges =
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116 GaugeLocation.getGaugeLocations(getRiverId(), getName());
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117
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118 Envelope max = null;
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119
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120 for (GaugeLocation gauge: gauges) {
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121 Envelope env = gauge.getGeom().getEnvelopeInternal();
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122
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123 if (max == null) {
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124 max = env;
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125 continue;
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126 }
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127
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128 max.expandToInclude(env);
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129 }
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130
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131 return max != null && reproject
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132 ? GeometryUtils.transform(max, getSrid())
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133 : max;
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134 }
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135
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136 @Override
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137 protected String getFilter() {
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138 return "river_id=" + String.valueOf(getRiverId()) +
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139 " and name='" + getName() + "'";
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140 }
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141
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142 @Override
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143 protected String getDataString() {
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144 String srid = getSrid();
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145
5865
73da40528cf2 River artifacts: Renamed FLYSUtils to RiverUtils.
Sascha L. Teichmann <teichmann@intevation.de>
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146 if (RiverUtils.isUsingOracle()) {
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147 return "geom FROM gauge_location USING SRID " + srid;
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148 }
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149 else {
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150 return "geom FROM gauge_location " +
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151 "USING UNIQUE id USING SRID " + srid;
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152 }
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153 }
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154
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155 @Override
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156 protected String getGeometryType() {
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157 return "POINT";
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158 }
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159 }
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160 }
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161 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org