Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSFloodplainArtifact.java @ 2089:0da8874bd378

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Added initial state to map artifact to be able to advance and step back. The map artifact overrides describe() to have the complete UI information in the describe response document. flys-artifacts/trunk@3613 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Fri, 06 Jan 2012 12:02:10 +0000
parents 7fc87a67e6f7
children f5af3adb3b95
rev   line source
1857
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.artifacts.resources.Resources;
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24 import de.intevation.flys.utils.FLYSUtils;
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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 = facets.get(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 public int getRiverId() {
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88 if (riverId == 0) {
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89 String ids = artifact.getDataAsString("ids");
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90
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91 try {
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92 riverId = Integer.valueOf(ids);
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93 }
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94 catch (NumberFormatException nfe) {
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95 logger.error("Cannot parse river id from '" + ids + "'");
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96 }
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97 }
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98
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99 return riverId;
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100 }
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101
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102 protected River getRiver() {
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103 return RiverFactory.getRiver(getRiverId());
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104 }
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105
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106 @Override
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107 protected String getFacetType() {
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108 return FLOODMAP_FLOODPLAIN;
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109 }
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110
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111 @Override
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112 protected String getTitle(CallMeta meta) {
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113 return Resources.getMsg(
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114 meta,
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115 FLOODMAP_FLOODPLAIN,
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116 FLOODMAP_FLOODPLAIN);
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117 }
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118
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119 @Override
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120 protected String getUrl() {
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121 return FLYSUtils.getUserWMSUrl(artifact.identifier());
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122 }
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123
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124 @Override
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125 protected String getSrid() {
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126 River river = getRiver();
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127 return FLYSUtils.getRiverSrid(river.getName());
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128 }
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129
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130 @Override
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131 protected Envelope getExtent() {
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132 River river = getRiver();
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133 Floodplain plain = Floodplain.getFloodplain(river.getName());
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134 return plain.getGeom().getEnvelopeInternal();
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135 }
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136
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137 @Override
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138 protected String getFilter() {
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139 return "river_id=" + String.valueOf(getRiverId());
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140 }
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141
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142 @Override
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143 protected String getDataString() {
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144 String srid = getSrid();
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145
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146 if (FLYSUtils.isUsingOracle()) {
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147 return "geom FROM floodplain USING SRID " + srid;
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148 }
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149 else {
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150 return "geom FROM floodplain USING UNIQUE id USING SRID " +srid;
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151 }
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152 }
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153
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154 @Override
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155 protected String getGeometryType() {
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156 return "POLYGON";
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157 }
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158 } // end of WMSKmState
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159 }
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160 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org