Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/horizontalcrosssection/HorizontalCrossSectionMeshOutputState.java @ 480:211cad2fb5ba
Rebased "Horizonalschnitte" to own state class to break from the not
well fitting TimeSeriesOutputState.
gnv-artifacts/trunk@552 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Sun, 17 Jan 2010 12:22:56 +0000 |
parents | ab29e4ff2fda |
children | 20dde2b6f1b5 |
rev | line source |
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1 /** |
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2 * |
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3 */ |
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4 package de.intevation.gnv.state.profile.horizontalcrosssection; |
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5 |
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6 import com.vividsolutions.jts.geom.Coordinate; |
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7 import com.vividsolutions.jts.geom.Envelope; |
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8 import com.vividsolutions.jts.geom.Polygon; |
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9 |
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10 import de.intevation.artifactdatabase.Config; |
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11 import de.intevation.artifactdatabase.XMLUtils; |
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12 |
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13 import de.intevation.artifacts.ArtifactNamespaceContext; |
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14 import de.intevation.artifacts.CallContext; |
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15 |
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16 import de.intevation.gnv.artifacts.cache.CacheFactory; |
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17 |
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18 import de.intevation.gnv.artifacts.context.GNVArtifactContext; |
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19 |
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20 import de.intevation.gnv.geobackend.base.Result; |
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21 import de.intevation.gnv.geobackend.base.ResultDescriptor; |
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22 |
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23 import de.intevation.gnv.geobackend.base.query.QueryExecutor; |
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24 import de.intevation.gnv.geobackend.base.query.QueryExecutorFactory; |
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25 |
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26 import de.intevation.gnv.geobackend.base.query.exception.QueryException; |
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27 |
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28 import de.intevation.gnv.geobackend.sde.datasources.RasterObject; |
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29 |
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30 import de.intevation.gnv.math.AttributedPoint2ds; |
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31 |
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32 import de.intevation.gnv.state.InputData; |
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33 import de.intevation.gnv.state.OutputStateBase; |
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34 |
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35 import de.intevation.gnv.state.exception.StateException; |
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36 |
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37 import de.intevation.gnv.state.timeseries.TimeSeriesOutputState; |
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38 |
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39 import de.intevation.gnv.utils.StringUtils; |
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40 import de.intevation.gnv.utils.WKTUtils; |
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41 |
480
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42 import java.io.File; |
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43 import java.io.IOException; |
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44 import java.io.OutputStream; |
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45 |
480
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46 import java.util.Collection; |
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47 |
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48 import org.apache.log4j.Logger; |
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49 |
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50 import org.w3c.dom.Document; |
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51 import org.w3c.dom.Node; |
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52 |
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53 /** |
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54 * @author Tim Englich (tim.englich@intevation.de) |
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55 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de) |
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56 */ |
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57 public class HorizontalCrossSectionMeshOutputState |
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58 extends OutputStateBase |
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59 { |
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60 private static Logger log = Logger |
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61 .getLogger(HorizontalCrossSectionMeshOutputState.class); |
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62 |
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63 /** |
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64 * The UID of this Class |
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65 */ |
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66 private static final long serialVersionUID = 3233620652465061860L; |
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67 |
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68 private String ijkQueryID = null; |
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69 |
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70 /** |
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71 * Constructor |
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72 */ |
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73 public HorizontalCrossSectionMeshOutputState() { |
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74 } |
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75 |
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76 public void out( |
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77 Document format, |
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78 Collection<InputData> inputData, |
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79 OutputStream outputStream, |
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80 String uuid, |
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81 CallContext callContext |
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82 ) |
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83 throws StateException |
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84 { |
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85 String outputMode = XMLUtils.xpathString( |
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86 format, XPATH_OUTPUT_MODE, ArtifactNamespaceContext.INSTANCE); |
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87 |
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88 String mimeType = XMLUtils.xpathString( |
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89 format, XPATH_MIME_TYPE, ArtifactNamespaceContext.INSTANCE); |
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90 |
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91 if (outputMode == null || mimeType == null) { |
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92 throw new StateException("cannot find outputMode or mime"); |
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93 } |
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94 |
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95 outputMode = outputMode.toLowerCase(); |
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96 |
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97 log.debug("---- asking for: " + outputMode); |
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98 |
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99 if ("zip".equals(outputMode)) { |
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100 } |
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101 else if ("wms".equals(outputMode)) { |
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102 } |
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103 else if ("statistics".equals(outputMode)) { |
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104 // TODO: REMOVE THIS! |
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105 try { |
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106 outputStream.write("<fake/>\n".getBytes()); |
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107 } |
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108 catch (IOException ioe) { |
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109 } |
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110 } |
480
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111 else { |
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112 throw new StateException("unsupported output mode"); |
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113 } |
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114 } |
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115 |
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116 protected Object getResult(String uuid, CallContext callContext) |
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117 throws StateException |
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118 { |
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119 CacheFactory cf = CacheFactory.getInstance(); |
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120 String key = uuid + super.getID(); |
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121 |
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122 if (cf.isInitialized()) { |
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123 net.sf.ehcache.Element value = cf.getCache().get(key); |
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124 if (value != null) { |
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125 return value.getObjectValue(); |
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126 } |
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127 } |
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128 |
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129 Object result = produceResult(callContext); |
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130 |
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131 if (result != null && cf.isInitialized()) { |
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132 cf.getCache().put(new net.sf.ehcache.Element(key, result)); |
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133 } |
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134 |
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135 return result; |
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136 } |
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137 |
480
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138 protected Object produceResult(CallContext callContext) |
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139 throws StateException |
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140 { |
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141 InputData meshPolygon = inputData.get("mesh_polygon"); |
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142 InputData meshId = inputData.get("meshid"); |
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143 |
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144 if (meshPolygon == null) { |
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145 log.error("mesh_polygon is not defined"); |
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146 throw new StateException("missing mesh_linestring"); |
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147 } |
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148 |
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149 if (meshId == null) { |
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150 log.error("meshid is not defined"); |
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151 throw new StateException("missing meshid"); |
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152 } |
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153 |
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154 Polygon p = WKTUtils.toPolygon(meshPolygon.getValue()); |
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155 |
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156 if (p == null) { |
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157 log.error("no valid polygon"); |
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158 throw new StateException("no valid polygon"); |
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159 } |
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160 |
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161 try { |
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162 Envelope env = p.getEnvelopeInternal(); |
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163 |
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164 Coordinate [] coords = new Coordinate [] { |
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165 new Coordinate(env.getMinX(), env.getMinY()), |
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166 new Coordinate(env.getMinX(), env.getMaxY()), |
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167 new Coordinate(env.getMaxX(), env.getMaxY()), |
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168 new Coordinate(env.getMaxX(), env.getMinY()) }; |
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169 |
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170 String additionWhere = |
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171 WKTUtils.worldEnvelopeCoordinatesToIndex( |
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172 coords, |
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173 meshId.getValue(), |
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174 ijkQueryID); |
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175 |
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176 String[] addedFilterValues = StringUtils.append( |
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177 generateFilterValuesFromInputData(), |
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178 additionWhere); |
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179 |
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180 QueryExecutor queryExecutor = QueryExecutorFactory |
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181 .getInstance() |
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182 .getQueryExecutor(); |
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183 |
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184 return process( |
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185 env, |
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186 p, |
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187 numSamples(callContext), |
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188 preprocess( |
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189 queryExecutor.executeQuery( |
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190 queryID, |
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191 addedFilterValues))); |
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192 } |
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193 catch (QueryException e) { |
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194 log.error(e,e); |
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195 } |
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196 |
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197 throw new StateException("no result produced"); |
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198 } |
335
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199 |
480
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200 public AttributedPoint2ds preprocess(Collection<Result> results) { |
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201 |
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202 boolean debug = log.isDebugEnabled(); |
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203 |
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204 if (debug) { |
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205 log.debug("--- preprocess: " + results.size() + " results"); |
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206 } |
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207 |
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208 AttributedPoint2ds ap2ds = new AttributedPoint2ds(); |
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209 |
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210 boolean first = true; |
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211 |
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212 for (Result result: results) { |
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213 |
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214 if (debug && first) { |
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215 first = false; |
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216 ResultDescriptor rd = result.getResultDescriptor(); |
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217 log.debug(rd); |
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218 } |
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219 } |
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220 |
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221 return ap2ds; |
335
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222 } |
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223 |
480
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224 public Object process( |
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225 Envelope env, |
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226 Polygon polygon, |
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227 int numSamples, |
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228 AttributedPoint2ds input |
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229 ) { |
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230 return input; |
335
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231 } |
480
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232 |
468
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233 |
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234 /** |
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235 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#setup(org.w3c.dom.Node) |
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236 */ |
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237 @Override |
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238 public void setup(Node configuration) { |
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239 super.setup(configuration); |
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240 this.ijkQueryID = Config.getStringXPath(configuration,"queryID-ijk"); |
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241 |
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242 } |
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243 |
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244 private static int numSamples(CallContext callContext) { |
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245 GNVArtifactContext context = |
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246 (GNVArtifactContext)callContext.globalContext(); |
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247 Integer samples = (Integer)context.get( |
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248 GNVArtifactContext.HORIZONTAL_CROSS_SECTION_SAMPLES_KEY); |
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249 return samples != null |
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250 ? samples.intValue() |
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251 : GNVArtifactContext.DEFAULT_HORIZONTAL_CROSS_SECTION_SAMPLES; |
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252 } |
335
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253 |
474
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254 private static File shapefileDirectory(CallContext callContext) { |
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255 GNVArtifactContext context = |
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256 (GNVArtifactContext)callContext.globalContext(); |
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257 File dir = (File)context.get( |
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258 GNVArtifactContext.HORIZONTAL_CROSS_SECTION_RESULT_SHAPEFILE_PATH_KEY); |
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259 return dir != null |
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260 ? dir |
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261 : GNVArtifactContext.DEFAULT_HORIZONTAL_CROSS_SECTION_PROFILE_SHAPEFILE_PATH; |
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262 } |
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263 |
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264 private static int getGroundInterpolation(CallContext callContext) { |
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265 GNVArtifactContext context = |
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266 (GNVArtifactContext)callContext.globalContext(); |
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267 |
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268 String interpolation = (String)context.get( |
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269 GNVArtifactContext.HORIZONTAL_CROSS_SECTION_GROUND_INTERPOLATION_KEY); |
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270 |
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271 return RasterObject.getInterpolationType(interpolation); |
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272 } |
335
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273 } |
474
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274 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |