Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSFloodplainArtifact.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 23d8f2700b38
children
rev   line source
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7fc87a67e6f7 Added new WMSFloodplainArtifact for displaying floodplains in 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
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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.Floodplain;
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19 import de.intevation.flys.model.River;
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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 WMSFloodplainArtifact extends WMSDBArtifact {
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28
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29 public static final String NAME = "floodplain";
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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(WMSFloodplainArtifact.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("WMSFloodplainArtifact.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 FloodplainState(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 FloodplainState 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(FloodplainState.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 FloodplainState(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 protected River getRiver() {
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88 return RiverFactory.getRiver(getRiverId());
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89 }
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90
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91 @Override
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92 protected String getFacetType() {
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93 return FLOODMAP_FLOODPLAIN;
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94 }
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95
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96 @Override
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97 protected String getUrl() {
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98 return FLYSUtils.getUserWMSUrl(artifact.identifier());
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99 }
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100
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101 @Override
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102 protected String getSrid() {
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103 River river = getRiver();
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104 return FLYSUtils.getRiverSrid(river.getName());
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105 }
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106
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107 @Override
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108 protected Envelope getExtent(boolean reproject) {
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109 River river = getRiver();
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110 List<Floodplain> fps;
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111
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112 String kind = getIdPart(2);
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113
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114 if (kind != null && ! kind.equals("1")) {
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115 fps = Floodplain.getFloodplains(river.getName(),
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116 getName(), Integer.parseInt(kind));
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117 } else {
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118 fps = Floodplain.getFloodplains(river.getName(), 1);
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119 }
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120
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121 Envelope max = null;
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122
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123 for (Floodplain fp: fps) {
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124 Envelope env = fp.getGeom().getEnvelopeInternal();
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125
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126 if (max == null) {
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127 max = env;
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128 continue;
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129 }
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130
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131 max.expandToInclude(env);
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132 }
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133
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134 return max != null && reproject
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135 ? GeometryUtils.transform(max, getSrid())
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136 : max;
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137 }
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138
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139 @Override
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140 protected String getFilter() {
5496
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141 String kind = getIdPart(2);
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142 if (kind != null && ! kind.equals("1")) {
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143 return "river_id=" + String.valueOf(getRiverId()) +
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144 " AND kind_id=" + kind +
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145 " AND name='" + getName() + "'";
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146 }
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147 return "river_id=" + String.valueOf(getRiverId()) +
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148 " AND kind_id=1";
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149 }
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150
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151 @Override
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152 protected String getDataString() {
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153 String srid = getSrid();
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154
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155 if (FLYSUtils.isUsingOracle()) {
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156 return "geom FROM floodplain USING SRID " + srid;
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157 }
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158 else {
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159 return "geom FROM floodplain USING UNIQUE id USING SRID " +srid;
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160 }
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161 }
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162
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163 @Override
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164 protected String getGeometryType() {
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165 return "POLYGON";
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166 }
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167 } // end of WMSKmState
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168 }
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169 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org