Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSGaugeLocationArtifact.java @ 3272:31168ac9c7e7

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Partial fix for issue694 (heightmarks snap to nearest cross section). flys-artifacts/trunk@4916 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 10 Jul 2012 15:31:56 +0000
parents 0ca00d547f35
children c8f670ae96e8
rev   line source
2684
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
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27
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28 public class WMSGaugeLocationArtifact extends WMSDBArtifact {
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29
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30 public static final String NAME = "wmsgaugelocation";
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31
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32
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33 private static final Logger logger =
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34 Logger.getLogger(WMSGaugeLocationArtifact.class);
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35
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36
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37 @Override
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38 public void setup(
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39 String identifier,
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40 ArtifactFactory factory,
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41 Object context,
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42 CallMeta callMeta,
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43 Document data)
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44 {
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45 logger.debug("WMSGaugeLocationArtifact.setup");
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46
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47 super.setup(identifier, factory, context, callMeta, data);
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48 }
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49
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50
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51 @Override
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52 public String getName() {
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53 return NAME;
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54 }
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55
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56
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57 @Override
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58 public State getCurrentState(Object cc) {
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59 State s = new WMSGaugeLocationState(this);
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60
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61 List<Facet> fs = facets.get(getCurrentStateId());
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62
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63 DefaultOutput o = new DefaultOutput(
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64 "floodmap",
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65 "floodmap",
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66 "image/png",
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67 fs,
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68 "map");
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69
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70 s.getOutputs().add(o);
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71
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72 return s;
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73 }
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74
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75
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76
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77 public static class WMSGaugeLocationState extends WMSDBState implements FacetTypes {
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78
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79 private static final Logger logger =
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80 Logger.getLogger(WMSGaugeLocationState.class);
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81
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82 protected Geometry geom;
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83
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84 public WMSGaugeLocationState(WMSDBArtifact artifact) {
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85 super(artifact);
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86 }
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87
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88 @Override
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89 protected String getFacetType() {
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90 return FLOODMAP_GAUGE_LOCATION;
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91 }
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92
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93 @Override
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94 protected String getUrl() {
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95 return FLYSUtils.getUserWMSUrl(artifact.identifier());
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96 }
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97
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98 @Override
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99 protected String getSrid() {
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100 River river = RiverFactory.getRiver(getRiverId());
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101 return FLYSUtils.getRiverSrid(river.getName());
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102 }
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103
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104 @Override
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105 protected Envelope getExtent() {
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106 List<GaugeLocation> gauges =
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107 GaugeLocation.getGaugeLocations(getRiverId(), getName());
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108
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109 Envelope max = null;
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110
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111 for (GaugeLocation gauge: gauges) {
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112 Envelope env = gauge.getGeom().getEnvelopeInternal();
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113
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114 if (max == null) {
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115 max = env;
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116 continue;
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117 }
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118
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119 max.expandToInclude(env);
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120 }
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121
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122 return max;
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123 }
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124
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125 @Override
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126 protected String getFilter() {
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127 return "river_id=" + String.valueOf(getRiverId()) +
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128 " and name='" + getName() + "'";
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129 }
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130
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131 @Override
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132 protected String getDataString() {
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133 String srid = getSrid();
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134
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135 if (FLYSUtils.isUsingOracle()) {
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136 return "geom FROM gauge_location USING SRID " + srid;
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137 }
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138 else {
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139 return "geom FROM gauge_location " +
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140 "USING UNIQUE id USING SRID " + srid;
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141 }
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142 }
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143
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144 @Override
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145 protected String getGeometryType() {
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146 return "POINT";
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147 }
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148 }
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149 }
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150 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org