Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSLineArtifact.java @ 4679:23392c25fc11
Doc.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 14 Dec 2012 10:41:42 +0100 |
parents | a2735a4bf75e |
children | 6da542572ab1 |
rev | line source |
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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.Line; |
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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 WMSLineArtifact extends WMSDBArtifact { |
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28 |
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29 public static final String NAME = "lines"; |
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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(WMSLineArtifact.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("WMSLineArtifact.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 LineState(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 LineState 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(LineState.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 LineState(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 String[] parts = ids.split(";"); |
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91 |
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92 try { |
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93 riverId = Integer.parseInt(parts[0]); |
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94 } |
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95 catch (NumberFormatException nfe) { |
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96 logger.error("Cannot parse river id from '" + parts[0] + "'"); |
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97 } |
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98 } |
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99 |
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100 return riverId; |
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101 } |
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102 |
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103 @Override |
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104 protected String getFacetType() { |
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105 return FLOODMAP_LINES; |
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106 } |
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107 |
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108 @Override |
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109 protected String getUrl() { |
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110 return FLYSUtils.getUserWMSUrl(artifact.identifier()); |
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111 } |
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112 |
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113 @Override |
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114 protected String getSrid() { |
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115 River river = RiverFactory.getRiver(getRiverId()); |
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116 return FLYSUtils.getRiverSrid(river.getName()); |
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117 } |
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118 |
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119 @Override |
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120 protected Envelope getExtent(boolean reproject) { |
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121 List<Line> lines = Line.getLines(getRiverId(), getName()); |
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122 |
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123 Envelope max = null; |
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124 |
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125 for (Line l: lines) { |
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126 Envelope env = l.getGeom().getEnvelopeInternal(); |
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127 |
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128 if (max == null) { |
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129 max = env; |
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130 continue; |
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131 } |
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132 |
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133 max.expandToInclude(env); |
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134 } |
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135 |
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136 return max != null && reproject |
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137 ? GeometryUtils.transform(max, getSrid()) |
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138 : max; |
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139 } |
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140 |
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141 @Override |
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142 protected String getFilter() { |
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143 return "river_id=" + String.valueOf(getRiverId()) + |
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144 " AND name='" + getName() + "'"; |
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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 lines USING SRID " + srid; |
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153 } |
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154 else { |
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155 return "geom FROM lines USING UNIQUE id USING SRID " + srid; |
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156 } |
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157 } |
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158 |
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159 @Override |
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160 protected String getGeometryType() { |
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161 return "LINE"; |
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162 } |
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163 } // end of WMSKmState |
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164 } |
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165 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |