Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/RiverAxisArtifact.java @ 3870:0c16eace7b6c

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Add robustness checks to prevent NPEs flys-artifacts/trunk@5502 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Christian Lins <christian.lins@intevation.de>
date Tue, 18 Sep 2012 10:18:30 +0000
parents b0ba96bbf01d
children 2fdbe78a8fc2
rev   line source
942
796c54058dc4 Added artifacts/states for WMS background an river axis and a configuration for the output-defaults.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
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.DefaultOutput;
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16 import de.intevation.artifactdatabase.state.Facet;
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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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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
796c54058dc4 Added artifacts/states for WMS background an river axis and a configuration for the output-defaults.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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26
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27 public class RiverAxisArtifact extends WMSDBArtifact {
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28
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29 public static final String NAME = "riveraxis";
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30
796c54058dc4 Added artifacts/states for WMS background an river axis and a configuration for the output-defaults.
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31
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32 private static final Logger logger =
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33 Logger.getLogger(RiverAxisArtifact.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("RiverAxisArtifact.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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parents: 1771
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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 RiverAxisState(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 RiverAxisState 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(RiverAxisState.class);
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79
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80 protected Geometry geom;
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81 protected int riverId;
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82
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Raimund Renkert <raimund.renkert@intevation.de>
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83 public RiverAxisState(){}
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84
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85 public RiverAxisState(FLYSArtifact artifact) {
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86 super(artifact);
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87 riverId = 0;
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88 }
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89
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90 public int getRiverId() {
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91 if (riverId == 0) {
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92 String ids = artifact.getDataAsString("ids");
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93
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94 try {
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95 riverId = Integer.parseInt(ids);
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96 }
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97 catch (NumberFormatException nfe) {
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98 logger.error("Cannot parse river id from '" + ids + "'");
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99 }
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100 }
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101
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102 return riverId;
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103 }
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104
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105 @Override
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106 protected String getFacetType() {
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107 return FLOODMAP_RIVERAXIS;
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108 }
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109
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110 @Override
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111 protected String getUrl() {
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112 return FLYSUtils.getUserWMSUrl(artifact.identifier());
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113 }
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114
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115 @Override
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116 protected String getSrid() {
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117 River river = RiverFactory.getRiver(getRiverId());
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118 return FLYSUtils.getRiverSrid(river.getName());
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119 }
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120
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121 @Override
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122 protected Envelope getExtent() {
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123 River river = RiverFactory.getRiver(getRiverId());
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124 return GeometryUtils.transform(
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125 GeometryUtils.getRiverBoundary(river.getName()),
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126 getSrid());
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127 }
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128
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129 @Override
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130 protected String getFilter() {
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131 return "river_id=" + String.valueOf(getRiverId());
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132 }
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133
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134 @Override
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135 protected String getDataString() {
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136 String srid = getSrid();
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137
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138 if (FLYSUtils.isUsingOracle()) {
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139 return "geom FROM river_axes USING SRID " + srid;
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140 }
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141 else {
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142 return "geom FROM river_axes USING UNIQUE id USING SRID " + srid;
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143 }
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144 }
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145
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146 @Override
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147 protected String getGeometryType() {
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148 return "LINE";
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149 }
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150 } // end of WMSKmState
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151 }
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152 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org