Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSGaugeLocationArtifact.java @ 4897:9c388de4b4d5

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Builder: Doc, comments.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 29 Jan 2013 11:49:37 +0100
parents a2735a4bf75e
children
rev   line source
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14188f8daefb Added support for WMS gauges in floodmaps and maps.
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1 package de.intevation.flys.artifacts;
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2
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3 import java.util.List;
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4
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5 import org.w3c.dom.Document;
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6
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7 import org.apache.log4j.Logger;
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8
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9 import com.vividsolutions.jts.geom.Envelope;
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10 import com.vividsolutions.jts.geom.Geometry;
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11
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12 import de.intevation.artifacts.ArtifactFactory;
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13 import de.intevation.artifacts.CallMeta;
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14
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15 import de.intevation.artifactdatabase.state.Facet;
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16 import de.intevation.artifactdatabase.state.DefaultOutput;
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17 import de.intevation.artifactdatabase.state.State;
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18
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19 import de.intevation.flys.model.River;
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20 import de.intevation.flys.model.GaugeLocation;
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21
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22 import de.intevation.flys.artifacts.WMSDBArtifact.WMSDBState;
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23 import de.intevation.flys.artifacts.model.FacetTypes;
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24 import de.intevation.flys.artifacts.model.RiverFactory;
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25 import de.intevation.flys.utils.FLYSUtils;
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26 import de.intevation.flys.utils.GeometryUtils;
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27
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28
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29 public class WMSGaugeLocationArtifact extends WMSDBArtifact {
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30
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31 public static final String NAME = "wmsgaugelocation";
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32
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33
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34 private static final Logger logger =
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35 Logger.getLogger(WMSGaugeLocationArtifact.class);
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36
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37
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38 @Override
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39 public void setup(
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40 String identifier,
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41 ArtifactFactory factory,
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42 Object context,
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43 CallMeta callMeta,
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44 Document data)
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45 {
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46 logger.debug("WMSGaugeLocationArtifact.setup");
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47
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48 super.setup(identifier, factory, context, callMeta, data);
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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 String getName() {
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54 return NAME;
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55 }
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56
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57
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58 @Override
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59 public State getCurrentState(Object cc) {
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60 State s = new WMSGaugeLocationState(this);
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61
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62 List<Facet> fs = getFacets(getCurrentStateId());
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63
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64 DefaultOutput o = new DefaultOutput(
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65 "floodmap",
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66 "floodmap",
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67 "image/png",
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68 fs,
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69 "map");
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70
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71 s.getOutputs().add(o);
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72
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73 return s;
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74 }
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75
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76
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77
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78 public static class WMSGaugeLocationState extends WMSDBState implements FacetTypes {
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79
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80 private static final Logger logger =
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81 Logger.getLogger(WMSGaugeLocationState.class);
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82
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83 protected Geometry geom;
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84
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85 public WMSGaugeLocationState(WMSDBArtifact artifact) {
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86 super(artifact);
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87 }
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88
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89 @Override
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90 protected String getFacetType() {
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91 return FLOODMAP_GAUGE_LOCATION;
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92 }
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93
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94 @Override
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95 protected String getUrl() {
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96 return FLYSUtils.getUserWMSUrl(artifact.identifier());
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97 }
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98
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99 @Override
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100 protected String getSrid() {
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101 River river = RiverFactory.getRiver(getRiverId());
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102 return FLYSUtils.getRiverSrid(river.getName());
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103 }
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104
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105 @Override
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106 protected Envelope getExtent(boolean reproject) {
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107 List<GaugeLocation> gauges =
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108 GaugeLocation.getGaugeLocations(getRiverId(), getName());
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109
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110 Envelope max = null;
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111
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112 for (GaugeLocation gauge: gauges) {
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113 Envelope env = gauge.getGeom().getEnvelopeInternal();
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114
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115 if (max == null) {
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116 max = env;
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117 continue;
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118 }
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119
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120 max.expandToInclude(env);
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121 }
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122
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123 return max != null && reproject
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124 ? GeometryUtils.transform(max, getSrid())
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125 : max;
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126 }
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127
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128 @Override
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129 protected String getFilter() {
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130 return "river_id=" + String.valueOf(getRiverId()) +
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131 " and name='" + getName() + "'";
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132 }
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133
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134 @Override
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135 protected String getDataString() {
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136 String srid = getSrid();
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137
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138 if (FLYSUtils.isUsingOracle()) {
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139 return "geom FROM gauge_location USING SRID " + srid;
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140 }
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141 else {
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142 return "geom FROM gauge_location " +
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143 "USING UNIQUE id USING SRID " + srid;
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144 }
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145 }
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146
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147 @Override
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148 protected String getGeometryType() {
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149 return "POINT";
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150 }
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151 }
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152 }
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153 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org