Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSFixpointsArtifact.java @ 4655:cd44d28d0fbc

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Move the access to artifact data to the Access object Use BedHeightAccess class to receive the data from the artifact. This abstracts the data access from the actual artifact.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 11 Dec 2012 09:44:04 +0100
parents a2735a4bf75e
children
rev   line source
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841af55d5e53 Added new WMSFixpointsArtifact for displaying fixpoints 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.River;
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19 import de.intevation.flys.model.Fixpoint;
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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 WMSFixpointsArtifact extends WMSDBArtifact {
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28
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29 public static final String NAME = "fixpoints";
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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(WMSFixpointsArtifact.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("WMSFixpointsArtifact.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 FixpointsState(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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74
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75 public static class FixpointsState 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(FixpointsState.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 FixpointsState(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_FIXPOINTS;
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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<Fixpoint> fixpoints = Fixpoint.getFixpoints(getRiverId());
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106
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107 Envelope max = null;
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108
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109 for (Fixpoint f: fixpoints) {
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110 Envelope env = f.getGeom().getEnvelopeInternal();
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111
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112 if (max == null) {
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113 max = env;
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114 continue;
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115 }
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116
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117 max.expandToInclude(env);
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118 }
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119
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120 return max != null && reproject
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121 ? GeometryUtils.transform(max, getSrid())
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122 : 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 }
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129
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130 @Override
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131 protected String getDataString() {
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132 String srid = getSrid();
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133
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134 if (FLYSUtils.isUsingOracle()) {
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135 return "geom FROM fixpoints USING SRID " + srid;
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136 }
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137 else {
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138 return "geom FROM fixpoints USING UNIQUE id USING SRID " + srid;
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139 }
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140 }
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141
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142 @Override
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143 protected String getGeometryType() {
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144 return "POINT";
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145 }
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146 } // end of WMSKmState
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147 }
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148 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org