Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSBuildingsArtifact.java @ 5818:a4ff4167be1e

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Request feature info on all layers and show it as html if the server does not return valid gml. Non queryable layers produce an error message when the request fails. This is good enough
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 24 Apr 2013 17:33:27 +0200
parents 08262e0ce57a
children
rev   line source
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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
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11 import de.intevation.artifacts.ArtifactFactory;
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12 import de.intevation.artifacts.CallMeta;
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13
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14 import de.intevation.artifactdatabase.state.DefaultOutput;
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15 import de.intevation.artifactdatabase.state.Facet;
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16 import de.intevation.artifactdatabase.state.State;
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17
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18 import de.intevation.flys.model.River;
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19 import de.intevation.flys.model.Building;
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20
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21 import de.intevation.flys.artifacts.model.FacetTypes;
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22 import de.intevation.flys.artifacts.model.RiverFactory;
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23 import de.intevation.flys.utils.FLYSUtils;
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24 import de.intevation.flys.utils.GeometryUtils;
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25
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26
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27 public class WMSBuildingsArtifact extends WMSDBArtifact {
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28
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29 public static final String NAME = "buildings";
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30
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31
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32 private static final Logger logger =
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33 Logger.getLogger(WMSBuildingsArtifact.class);
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34
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35
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36 @Override
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37 public void setup(
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38 String identifier,
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39 ArtifactFactory factory,
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40 Object context,
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41 CallMeta callMeta,
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42 Document data)
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43 {
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44 logger.debug("WMSBuildingsArtifact.setup");
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45
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46 super.setup(identifier, factory, context, callMeta, data);
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47 }
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48
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49
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50 @Override
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51 public String getName() {
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52 return NAME;
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53 }
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54
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55
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56 @Override
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57 public State getCurrentState(Object cc) {
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58 State s = new BuildingsState(this);
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59
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60 List<Facet> fs = getFacets(getCurrentStateId());
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61
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62 DefaultOutput o = new DefaultOutput(
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63 "floodmap",
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64 "floodmap",
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65 "image/png",
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66 fs,
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67 "map");
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68
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69 s.getOutputs().add(o);
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70
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71 return s;
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72 }
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73
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74
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75 public static class BuildingsState extends WMSDBState implements FacetTypes
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76 {
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77 private static final Logger logger =
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78 Logger.getLogger(BuildingsState.class);
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79
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80 protected int riverId;
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81
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82 public BuildingsState(WMSDBArtifact artifact) {
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83 super(artifact);
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84 riverId = 0;
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85 }
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86
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87 @Override
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88 protected String getFacetType() {
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89 return FLOODMAP_BUILDINGS;
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90 }
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91
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92 @Override
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93 protected String getUrl() {
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94 return FLYSUtils.getUserWMSUrl(artifact.identifier());
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95 }
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96
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97 @Override
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98 protected String getSrid() {
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99 River river = RiverFactory.getRiver(getRiverId());
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100 return FLYSUtils.getRiverSrid(river.getName());
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101 }
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102
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103 @Override
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104 protected Envelope getExtent(boolean reproject) {
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105 List<Building> buildings;
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106 String kind = getIdPart(2);
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107
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108 if (kind != null) {
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109 buildings = Building.getBuildings(getRiverId(), Integer.parseInt(kind));
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110 } else {
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111 buildings = Building.getBuildings(getRiverId(), name);
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112 }
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113
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114 Envelope max = null;
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115
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116 for (Building b: buildings) {
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117 Envelope env = b.getGeom().getEnvelopeInternal();
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118
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119 if (max == null) {
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120 max = env;
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121 continue;
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122 }
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123
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124 max.expandToInclude(env);
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125 }
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126
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127 return max != null && reproject
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128 ? GeometryUtils.transform(max, getSrid())
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129 : max;
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130 }
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131
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132 @Override
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133 protected String getFilter() {
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134 // The expected id string is:
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135 // river_id;layer-name;kind
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136
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137 String kind = getIdPart(2);
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138 if (kind != null) {
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139 // If kind is provided we filter by kind
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140 return "river_id=" + String.valueOf(getRiverId()) +
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141 " AND kind_id=" + kind;
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142 }
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143 return "river_id=" + String.valueOf(getRiverId()) +
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144 " AND name='" + getName() + "'";
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145 }
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146
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147 @Override
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148 protected String getDataString() {
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149 String srid = getSrid();
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150
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151 if (FLYSUtils.isUsingOracle()) {
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152 return "geom FROM buildings USING SRID " + srid;
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153 }
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154 else {
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155 return "geom FROM buildings USING UNIQUE id USING SRID " + srid;
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156 }
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157 }
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158
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159 @Override
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160 protected String getGeometryType() {
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161 return "LINE";
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162 }
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163 } // end of WMSKmState
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164 }
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165 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org