Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSKmArtifact.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 a2735a4bf75e
children
rev   line source
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5e9696c32f04 Added datacage config and loaders for KM WMS layer in floodmaps.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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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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50110699e38e Determine correct bounding box a KMs WMS layer.
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20 import de.intevation.flys.model.RiverAxisKm;
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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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c8f670ae96e8 Create extent of a map layer in the correct coordinate reference system.
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26 import de.intevation.flys.utils.GeometryUtils;
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28
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29 public class WMSKmArtifact extends WMSDBArtifact {
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30
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31 public static final String NAME = "wmskm";
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32
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34 private static final Logger logger = Logger.getLogger(WMSKmArtifact.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("WMSKmArtifact.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 WMSKmState(this);
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60
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61 List<Facet> fs = getFacets(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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75
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76
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77 public static class WMSKmState extends WMSDBState implements FacetTypes {
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78
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79 private static final Logger logger = Logger.getLogger(WMSKmState.class);
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80
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81 protected Geometry geom;
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82 protected int riverId;
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83
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84 public WMSKmState(WMSDBArtifact artifact) {
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85 super(artifact);
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86 riverId = 0;
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87 }
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88
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89 public int getRiverId() {
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90 if (riverId == 0) {
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91 String ids = artifact.getDataAsString("ids");
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92
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93 try {
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94 riverId = Integer.parseInt(ids);
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95 }
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96 catch (NumberFormatException nfe) {
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97 logger.error("Cannot parse river id from '" + ids + "'");
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98 }
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99 }
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100
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101 return riverId;
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102 }
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103
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104 @Override
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105 protected String getFacetType() {
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106 return FLOODMAP_KMS;
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107 }
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108
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109 @Override
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110 protected String getUrl() {
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111 return FLYSUtils.getUserWMSUrl(artifact.identifier());
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112 }
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113
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114 @Override
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115 protected String getSrid() {
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116 River river = RiverFactory.getRiver(getRiverId());
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117 return FLYSUtils.getRiverSrid(river.getName());
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118 }
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119
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120 @Override
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121 protected Envelope getExtent(boolean reproject) {
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122 List<RiverAxisKm> kms = RiverAxisKm.getRiverAxisKms(getRiverId());
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123
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124 Envelope max = null;
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125
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126 for (RiverAxisKm km: kms) {
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127 Envelope env = km.getGeom().getEnvelopeInternal();
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128
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129 if (max == null) {
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130 max = env;
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131 continue;
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132 }
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133
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134 max.expandToInclude(env);
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135 }
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136
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137 return max != null && reproject
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138 ? GeometryUtils.transform(max, getSrid())
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139 : max;
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140 }
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141
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142 @Override
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143 protected String getFilter() {
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144 return "river_id=" + String.valueOf(getRiverId());
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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 river_axes_km USING SRID " + srid;
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153 }
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154 else {
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155 return "geom FROM river_axes_km " +
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156 "USING UNIQUE id USING SRID " + srid;
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157 }
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158 }
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159
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160 @Override
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161 protected String getLabelItem() {
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162 return "km";
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163 }
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164
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165 @Override
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166 protected String getGeometryType() {
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167 return "POINT";
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168 }
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169 } // end of WMSKmState
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170 }
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171 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org