Mercurial > mxd2map
annotate src/java/de/intevation/mxd/writer/MapScriptWriter.java @ 316:5e3a40a84539
Some minor cleanups
* src/java/de/intevation/mxd/reader/FeatureLayerReader.java:
Add Debug output if Layer class is not implemented
* src/java/de/intevation/mxd/reader/RasterLayerReader.java:
Remove unused import
* src/java/de/intevation/mxd/reader/WMSLayerReader.java:
Tune down warnings about min/max scale
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Mon, 17 Sep 2012 17:10:44 +0200 |
parents | 1d77ea6a915d |
children | 5a2b5bc066eb |
rev | line source |
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1 /* |
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2 * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de> |
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3 * |
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4 * This file is part of MXD2map. |
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5 * |
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6 * This program is free software under the LGPL (>=v2.1) |
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7 * Read the file LICENCE.txt coming with the software for details |
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8 * or visit http://www.gnu.org/licenses/ if it does not exist. |
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9 * |
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10 * MXD2map has been developed on behalf of the |
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11 * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg |
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12 * by Intevation GmbH. |
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13 * |
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14 * Authors: |
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15 * Raimund Renkert <raimund.renkert@intevation.de> |
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16 * Bjoern Schilberg <bjoern.schilberg@intevation.de> |
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17 * Stephan Holl <stephan.holl@intevation.de> |
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18 */ |
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19 |
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20 package de.intevation.mxd.writer; |
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21 |
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22 import org.apache.log4j.Logger; |
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23 |
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24 import java.awt.Color; |
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25 |
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26 import org.w3c.dom.Document; |
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27 import org.w3c.dom.Element; |
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28 import org.w3c.dom.NodeList; |
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29 |
98
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30 import java.io.File; |
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31 |
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32 import javax.xml.xpath.XPathConstants; |
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33 |
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34 import edu.umn.gis.mapscript.mapObj; |
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35 import edu.umn.gis.mapscript.layerObj; |
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36 import edu.umn.gis.mapscript.classObj; |
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37 import edu.umn.gis.mapscript.labelObj; |
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38 import edu.umn.gis.mapscript.colorObj; |
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39 import edu.umn.gis.mapscript.fontSetObj; |
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40 import edu.umn.gis.mapscript.hashTableObj; |
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41 import edu.umn.gis.mapscript.shapeObj; |
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42 import edu.umn.gis.mapscript.pointObj; |
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43 import edu.umn.gis.mapscript.lineObj; |
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44 |
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45 import edu.umn.gis.mapscript.MS_UNITS; |
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46 import edu.umn.gis.mapscript.MS_LAYER_TYPE; |
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47 import edu.umn.gis.mapscript.MS_CONNECTION_TYPE; |
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48 import edu.umn.gis.mapscript.MS_SHAPE_TYPE; |
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49 import edu.umn.gis.mapscript.MS_FONT_TYPE; |
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50 import edu.umn.gis.mapscript.MS_POSITIONS_ENUM; |
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51 |
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52 import de.intevation.mxd.utils.XMLUtils; |
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53 import de.intevation.mxd.utils.MapScriptUtils; |
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54 |
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55 /** |
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56 * The Mapfile Writer. |
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57 * This Writer uses the MapScript Java API to create Mapfiles from a DOM. |
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58 * |
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59 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> |
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60 */ |
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61 public class MapScriptWriter |
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62 implements IWriter |
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63 { |
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64 /** |
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65 * The Logger. |
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66 */ |
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67 private static final Logger logger = Logger.getLogger(MapScriptWriter.class); |
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68 |
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69 /** |
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70 * Private member. |
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71 */ |
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72 private Document root; |
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73 private mapObj map; |
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74 private MapScriptUtils msutils; |
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75 private String mapFilename; |
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76 private String MS_BINDIR = "c:/ms_6.1-dev/bin"; |
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77 private String prefix = ""; |
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78 private MS_UNITS units = MS_UNITS.MS_METERS; |
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79 |
181 | 80 /** |
81 * Default constructor. | |
82 * Creates a mapscript writer object with an empty map. | |
83 */ | |
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84 public MapScriptWriter() { |
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85 map = new mapObj(""); |
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86 msutils = new MapScriptUtils(); |
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87 mapFilename = ""; |
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88 } |
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89 |
181 | 90 /** |
91 * Contructor with template and output filename. | |
92 * Creates a mapscript writer object with the given template that saves the | |
93 * map to the filename. | |
94 * | |
95 * @param templ Mapfile template. | |
96 * @param filename Output file name. | |
97 */ | |
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98 public MapScriptWriter(String templ, String filename) { |
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99 String path = System.getProperty("user.dir"); |
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100 map = new mapObj(templ); |
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101 msutils = new MapScriptUtils(); |
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102 File f = new File(filename); |
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103 mapFilename = filename; |
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104 if(f.isAbsolute()) { |
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105 map.setMappath(mapFilename); |
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106 } |
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107 else { |
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108 map.setMappath( |
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109 System.getProperty("user.dir") + |
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110 File.separator + |
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111 mapFilename); |
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112 mapFilename = System.getProperty("user.dir") + |
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113 File.separator + |
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114 mapFilename; |
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115 } |
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116 String fontSetPath = map.getFontset().getFilename(); |
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117 File fonts = new File(fontSetPath); |
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118 String fontSet = fonts.getAbsolutePath(); |
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119 fontSet = fontSet.replaceAll("\\\\", "/"); |
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120 map.setFontSet(fontSet); |
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121 } |
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122 |
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123 /** |
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124 * Write the mapfile. |
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125 * @param doc The root document containin the map attributes. |
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126 * |
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127 * @return Currently always true. |
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128 */ |
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Changed exception handling and logging in writer classes.
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129 public boolean write(Document doc) { |
41
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130 logger.debug("write()"); |
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131 this.root = doc; |
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132 |
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133 //Get the filename. |
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134 Element fileNode = (Element)XMLUtils.xpath( |
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135 root, |
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136 "/mxd/file", |
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137 XPathConstants.NODE); |
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138 //Write the map attributes. |
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139 writeMap(); |
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140 //Write the layers. |
298
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141 boolean ret = writeLayer(); |
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142 //Save the map. |
298
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143 if (ret) { |
196
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144 mapObj cloneMap = map.cloneMap(); |
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145 cloneMap.save(mapFilename); |
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146 logger.info("Mapfile created: " + mapFilename); |
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147 return true; |
298
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148 } |
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149 return false; |
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150 } |
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151 |
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152 /** |
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153 * Create the map object and set the attributes. |
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154 */ |
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155 private void writeMap() |
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156 throws UnknownError |
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157 { |
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158 logger.debug("writeMap()"); |
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159 //Get the map. |
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160 Element mapNode = (Element)XMLUtils.xpath( |
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161 root, |
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162 "/mxd/map", |
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163 XPathConstants.NODE); |
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164 |
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165 //Set the name. |
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166 map.setName(mapNode.getAttribute("name")); |
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167 map.setMetaData("wms_title", mapNode.getAttribute("name")); |
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168 //Set the extent. |
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169 map.setExtent( |
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170 Double.parseDouble(mapNode.getAttribute("extent_min_x")), |
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171 Double.parseDouble(mapNode.getAttribute("extent_min_y")), |
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172 Double.parseDouble(mapNode.getAttribute("extent_max_x")), |
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173 Double.parseDouble(mapNode.getAttribute("extent_max_y"))); |
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174 |
298
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175 map.setMetaData( |
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176 "ows_extent", |
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177 mapNode.getAttribute("extent_min_x") + ", " + |
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178 mapNode.getAttribute("extent_min_y") + ", " + |
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179 mapNode.getAttribute("extent_max_x") + ", " + |
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180 mapNode.getAttribute("extent_max_y")); |
246
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181 |
298
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182 map.setSize(800, 600); |
257
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183 |
172
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184 //Set the units and projection. |
180
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185 int proj = Integer.parseInt(mapNode.getAttribute("projection")); |
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186 if(proj != 0) { |
297
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187 try { |
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188 map.setProjection("epsg:" + mapNode.getAttribute("projection")); |
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189 } |
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190 catch(UnknownError e) { |
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191 logger.error( "Could not set projection: " + mapNode.getAttribute("projection") + |
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192 ". Please ensure that it is described in your espg file."); |
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193 throw e; |
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194 } |
180
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195 } |
170
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196 String u = mapNode.getAttribute("units"); |
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197 if(u.equals("feet")) { |
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198 units = MS_UNITS.MS_FEET; |
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199 } |
170
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200 else if(u.equals("inches")) { |
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201 units = MS_UNITS.MS_INCHES; |
41
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202 } |
170
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203 else if(u.equals("kilometers")) { |
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204 units = MS_UNITS.MS_KILOMETERS; |
41
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205 } |
170
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206 else if(u.equals("meters")) { |
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207 units = MS_UNITS.MS_METERS; |
41
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208 } |
170
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209 else if(u.equals("miles")) { |
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210 units = MS_UNITS.MS_MILES; |
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211 } |
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212 else if(u.equals("nauticalmiles")) { |
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213 units = MS_UNITS.MS_NAUTICALMILES; |
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|
214 } |
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215 else if(u.equals("points")) { |
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|
216 units = MS_UNITS.MS_PIXELS; |
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217 } |
180
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218 else if(u.equals("degree")) { |
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219 units = MS_UNITS.MS_DD; |
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220 } |
41
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221 else { |
170
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222 units = MS_UNITS.MS_METERS; |
41
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|
223 } |
170
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224 map.setUnits(units); |
246
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225 |
298
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226 String mproj = mapNode.getAttribute("projection"); |
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227 if(mproj != null && !mproj.equals("") && ! mproj.equals("0")) { |
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228 MapScriptUtils msu = new MapScriptUtils(); |
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229 String wmssrs = msu.getMetaData(map, "wms_srs"); |
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230 String owssrs = msu.getMetaData(map, "ows_srs"); |
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231 if(wmssrs.indexOf(mproj) < 0) { |
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232 if(wmssrs.equals("")) { |
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233 wmssrs = "EPSG:"; |
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234 } |
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235 else { |
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236 wmssrs += " EPSG:"; |
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237 } |
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238 wmssrs += mproj; |
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239 } |
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240 if(owssrs.indexOf(mproj) < 0) { |
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241 if(owssrs.equals("")) { |
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242 owssrs = "EPSG:"; |
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243 } |
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244 else { |
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245 owssrs += " EPSG:"; |
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246 } |
259
8fe9ccc77962
Introduced a MapScript helper class and improved metadata handling.
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247 owssrs += mproj; |
298
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248 } |
259
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249 map.setMetaData("ows_srs", owssrs); |
298
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250 map.setMetaData("wms_srs", wmssrs); |
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251 } |
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252 } |
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253 |
43
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254 /** |
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255 * Create layer objects and set the attributes. |
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256 */ |
196
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257 private boolean writeLayer() { |
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258 logger.debug("writeLayer()"); |
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259 Element mapNode = (Element)XMLUtils.xpath( |
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260 root, |
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261 "/mxd/map", |
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262 XPathConstants.NODE); |
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263 NodeList list = mapNode.getElementsByTagName("layer"); |
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264 for(int i = 0; i < list.getLength(); i++) { |
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265 Element layerElement = (Element)list.item(i); |
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266 layerObj layer = new layerObj(map); |
190
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267 NodeList renderer = layerElement.getElementsByTagName("renderer"); |
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268 |
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269 //The layer name. |
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270 String group = ""; |
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271 if(layerElement.hasAttribute("group")) { |
298
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272 group = layerElement.getAttribute("group"); |
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273 String[] splitted = group.split("/"); |
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274 String cleangroup = ""; |
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275 for(int j = 0; j < splitted.length; j++) { |
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276 if(!splitted[j].equals("")) { |
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277 splitted[j] = msutils.replaceUmlauts(splitted[j]); |
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278 cleangroup += "/" + |
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279 msutils.removeSpecialChars(splitted[j]); |
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280 } |
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281 } |
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282 group = cleangroup; |
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283 } |
298
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284 String lname = layerElement.getAttribute("name"); |
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285 lname = msutils.removeSpecialChars(lname); |
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286 lname = msutils.replaceUmlauts(lname); |
299
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287 String ulgroup = group.replaceAll("/", "."); |
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288 String ulname = ulgroup + "." + lname; |
298
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289 if(ulname.startsWith(".")) { |
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290 ulname = ulname.substring(1); |
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291 } |
299
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292 if(ulgroup.startsWith(".")) { |
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293 ulgroup = ulgroup.substring(1); |
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294 } |
244
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295 layer.setName(ulname); |
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296 layer.setUnits(units.swigValue()); |
298
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297 if(!group.equals("")) { |
305
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298 layer.setGroup(ulgroup); |
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299 layer.setMetaData("wms_layer_group", group); |
298
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300 } |
245
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301 layer.setMetaData("wms_title", ulname); |
180
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302 |
307
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303 //Set the projection for the Layers |
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304 if (layerElement.hasAttribute("projection")) { |
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305 int proj = Integer.parseInt(layerElement.getAttribute("projection")); |
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306 if(proj != 0) { |
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307 try { |
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308 layer.setProjection("epsg:" + layerElement.getAttribute("projection")); |
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309 } |
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310 catch(UnknownError e) { |
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311 logger.error( "Could not set projection in layer: " + layerElement.getAttribute("projection") + |
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312 ". Please ensure that it is described in your espg file."); |
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313 throw e; |
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314 } |
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315 } |
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316 } |
298
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317 // Projection metadata. |
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318 String mproj = mapNode.getAttribute("projection"); |
307
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319 if (layerElement.hasAttribute("projection")) { |
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320 // Overwrite the Map Projection in the layer |
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321 mproj = layerElement.getAttribute("projection"); |
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322 } |
298
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323 if(mproj != null && !mproj.equals("") && !mproj.equals("0")) { |
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324 String wmssrs = layer.getMetaData("wms_srs"); |
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325 String owssrs = layer.getMetaData("ows_srs"); |
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326 if(wmssrs == null) { |
298
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327 wmssrs = "EPSG:"; |
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328 } |
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329 else { |
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330 wmssrs += " EPSG:"; |
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331 } |
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332 if(owssrs == null) { |
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333 owssrs = "EPSG:"; |
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334 } |
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335 else { |
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336 owssrs += " EPSG:"; |
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337 } |
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338 wmssrs += mproj; |
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339 owssrs += mproj; |
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340 layer.setMetaData("wms_srs", wmssrs); |
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341 layer.setMetaData("ows_srs", owssrs); |
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342 } |
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343 |
300
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344 // WMS Version |
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345 if (layerElement.hasAttribute("wms_server_version")) { |
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346 layer.setMetaData("wms_server_version", |
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347 layerElement.getAttribute("wms_server_version")); |
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348 } |
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349 |
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350 // WMS Version |
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351 if (layerElement.hasAttribute("imageType")) { |
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352 layer.setMetaData("wms_format", |
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353 layerElement.getAttribute("imageType")); |
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354 } |
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355 |
298
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356 // The layer extent metadata. |
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357 if(layerElement.hasAttribute("extent_min_x") && |
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358 layerElement.hasAttribute("extent_max_x") && |
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359 layerElement.hasAttribute("extent_min_y") && |
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360 layerElement.hasAttribute("extent_max_y")) { |
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361 layer.setMetaData( |
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362 "ows_extent", |
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363 layerElement.getAttribute("extent_min_x") + ", " + |
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364 layerElement.getAttribute("extent_min_y") + ", " + |
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365 layerElement.getAttribute("extent_max_x") + ", " + |
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366 layerElement.getAttribute("extent_max_y")); |
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367 } |
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368 //The layer status. |
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369 String stat = layerElement.getAttribute("status"); |
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370 if (stat.equals("on")) { |
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371 layer.setStatus(1); |
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372 } |
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373 else { |
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374 layer.setStatus(0); |
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375 } |
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376 |
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377 //The scale. |
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378 double maxScale = 0; |
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379 double minScale = 0; |
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380 try { |
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381 maxScale = |
153
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382 Double.parseDouble(layerElement.getAttribute("min_scale")); |
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383 minScale = |
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384 Double.parseDouble(layerElement.getAttribute("max_scale")); |
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385 } |
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386 catch(NumberFormatException nfe) { |
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387 logger.warn("Error setting scale."); |
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388 maxScale = 0; |
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389 minScale = 0; |
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390 } |
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391 layer.setMaxscaledenom(maxScale); |
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392 layer.setMinscaledenom(minScale); |
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393 |
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394 //The layer type. |
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395 String type = layerElement.getAttribute("type"); |
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396 if(type.equals("point")) { |
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397 layer.setType(MS_LAYER_TYPE.MS_LAYER_POINT); |
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398 layer.setTileitem(""); |
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399 } |
62
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400 else if (type.equals("line")) { |
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401 layer.setType(MS_LAYER_TYPE.MS_LAYER_LINE); |
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402 layer.setTileitem(""); |
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403 } |
97
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404 else if (type.equals("polygon")) { |
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405 layer.setType(MS_LAYER_TYPE.MS_LAYER_POLYGON); |
252
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406 layer.setTileitem(""); |
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407 } |
298
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408 else if(type.equals("raster")) { |
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409 layer.setType(MS_LAYER_TYPE.MS_LAYER_RASTER); |
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410 } |
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411 |
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412 //The layer datasource. |
137
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413 String con_type = layerElement.getAttribute("connection_type"); |
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414 if(con_type.equals("local")) { |
304
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415 // The data source is a local file. (.shp or Image) |
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416 String datasource = ""; |
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417 if(layerElement.hasAttribute("workspace")) { |
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418 datasource = layerElement.getAttribute("workspace"); |
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419 datasource += File.separator; |
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420 } |
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421 datasource += layerElement.getAttribute("data_source"); |
180
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422 datasource = datasource.replaceAll("\\\\", "/"); |
130
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423 layer.setData(datasource); |
137
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424 } |
252
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425 else if(con_type.equals("SDE") && !type.equals("raster")) { |
181 | 426 // The data source is a sde database. |
137
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427 logger.info( |
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428 "SDE datasource found." + |
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429 " Please edit password in mapfile."); |
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430 layer.setConnectionType( |
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431 MS_CONNECTION_TYPE.MS_PLUGIN.swigValue(), |
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432 MS_BINDIR + "/ms/plugins/msplugin_sde_93.dll"); |
298
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433 String database_auth = layerElement.getAttribute("database"); |
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434 if (database_auth.equals("") || database_auth == null) { |
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435 logger.warn("Could not set the database connection user." + |
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436 " Setting to \"sde\" as default."); |
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437 database_auth = "sde"; |
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438 } |
238
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439 |
298
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440 String port = layerElement.getAttribute("instance"); |
238
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441 StringBuffer strBuff = new StringBuffer(); |
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442 char c; |
298
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443 |
238
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444 for (int j = 0; j < port.length() ; j++) { |
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445 c = port.charAt(j); |
298
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446 |
238
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447 if(Character.isDigit(c)) { |
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448 strBuff.append(c); |
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449 } |
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450 } |
298
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451 |
130
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452 layer.setConnection( |
137
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453 layerElement.getAttribute("server") + "," + |
238
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454 "port:" + strBuff.toString() + "," + |
197
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455 database_auth + "," + |
137
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456 layerElement.getAttribute("user") + ",<PASSWORD>"); |
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457 layer.setData( |
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458 layerElement.getAttribute("data_source") + |
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459 ",SHAPE," + |
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460 layerElement.getAttribute("version")); |
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461 layer.setProcessing("CLOSE_CONNECTION=defer"); |
134
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462 layer.setProcessing("ATTRIBUTE_QUALIFIED=TRUE"); |
137
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463 if(layerElement.hasAttribute("join_table")) { |
298
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464 logger.info( |
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465 "The layer " + |
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466 layer.getName() + |
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467 " contains a jointable attribute." + |
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468 " Please verify the attribute parameters."); |
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469 String join = layerElement.getAttribute("join_table"); |
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470 |
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471 layer.setProcessing( |
137
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472 "JOINTABLE=" + |
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473 layerElement.getAttribute("join_table")); |
134
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474 layer.setFilter( |
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475 "where " + |
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476 layerElement.getAttribute("definition_query") + |
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477 " AND " + |
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478 layerElement.getAttribute("join_table_target") + "." + |
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479 layerElement.getAttribute("join_field_target") + "=" + |
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480 layerElement.getAttribute("join_table") + "." + |
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481 layerElement.getAttribute("join_field")); |
137
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482 } |
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483 else { |
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484 prefix = layerElement.getAttribute("data_source"); |
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485 if (!prefix.isEmpty()) { |
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486 prefix += "."; |
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487 } |
180
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488 if(layerElement.hasAttribute("definition_query") && |
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489 !layerElement.getAttribute("definition_query") |
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490 .equals("")) { |
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491 layer.setFilter("where " + |
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492 layerElement.getAttribute("definition_query")); |
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493 } |
137
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494 } |
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495 } |
298
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496 else if(con_type.equals("SDE") && type.equals("raster")) { |
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497 // The data source is a sde database. |
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498 logger.info( |
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499 "SDE datasource found." + |
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500 " Please edit password in mapfile."); |
298
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501 String database_auth = layerElement.getAttribute("database"); |
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502 if (database_auth.equals("") || database_auth == null) { |
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503 logger.warn("Could not set the database connection user." + |
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504 " Setting to \"sde\" as default."); |
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505 database_auth = "sde"; |
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506 } |
252
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507 |
298
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508 String port = layerElement.getAttribute("instance"); |
252
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509 StringBuffer strBuff = new StringBuffer(); |
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510 char c; |
298
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511 |
252
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512 for (int j = 0; j < port.length() ; j++) { |
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513 c = port.charAt(j); |
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514 if(Character.isDigit(c)) { |
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515 strBuff.append(c); |
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516 } |
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517 } |
298
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518 |
252
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519 layer.setData( |
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520 "SDE:" + layerElement.getAttribute("server") + |
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521 "," + strBuff + |
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522 "," + layerElement.getAttribute("database") + |
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523 "," + layerElement.getAttribute("user") + |
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524 ",<PASSWORD>," + layerElement.getAttribute("dataset")); |
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525 layer.setType(MS_LAYER_TYPE.MS_LAYER_RASTER); |
252
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526 if(layerElement.hasAttribute("definition_query") && |
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527 !layerElement.getAttribute("definition_query").equals("")) { |
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528 layer.setFilter("where " + |
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529 layerElement.getAttribute("definition_query")); |
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530 } |
300
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531 } else if(con_type.equals("WMS")) { |
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532 layer.setType(MS_LAYER_TYPE.MS_LAYER_RASTER); |
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533 layer.setConnection(layerElement.getAttribute("connection")); |
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534 layer.setConnectionType(MS_CONNECTION_TYPE.MS_WMS.swigValue(), ""); |
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535 layer.setMetaData("wms_name", |
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536 layerElement.getAttribute("wms_name")); |
311
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537 } else if(con_type.equals("ogr")) { |
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538 layer.setConnectionType(MS_CONNECTION_TYPE.MS_OGR.swigValue(), ""); |
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539 layer.setConnection(layerElement.getAttribute("connection")); |
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|
540 layer.setData(layerElement.getAttribute("data_source")); |
298
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541 } |
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542 if(!type.equals("raster")) { |
252
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|
543 layer.setTemplate("PleaseInsertAValidTemplateForGFI"); |
298
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|
544 } |
179
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|
545 |
308
1c949a309940
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|
546 // Set Offsite value for raster layer |
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547 if(type == "raster") { |
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548 layer.setOffsite(new colorObj(255,255,255,-4)); |
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|
549 } |
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|
550 |
181 | 551 // Create labelitem |
180
f4eb506499f5
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|
552 NodeList labels = layerElement.getElementsByTagName("label"); |
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553 if(labels.getLength() > 0) { |
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554 Element label = (Element)labels.item(0); |
179
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diff
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|
555 String expr = label.getAttribute("expression"); |
180
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diff
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|
556 expr = expr.replaceAll("\\[", ""); |
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|
557 expr = expr.replaceAll("\\]", ""); |
311
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|
558 if (con_type == "ogr") { |
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559 // ogr expression fields come prefixed from arcgis |
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diff
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|
560 // the prefix has to be removed in order to work with |
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|
561 // mapserver |
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|
562 String unwantedPrefix = layerElement.getAttribute("data") + "."; |
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|
563 logger.debug("Removing expression Prefix: " + unwantedPrefix); |
314
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|
564 boolean isShapeFile = false; |
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diff
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|
565 if (layerElement.getAttribute("connection_type") == "local") { |
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diff
changeset
|
566 isShapeFile = true; |
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diff
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|
567 } |
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diff
changeset
|
568 expr = sanitizeAttribute(expr, |
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311
diff
changeset
|
569 unwantedPrefix, prefix, isShapeFile); |
311
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diff
changeset
|
570 } |
180
f4eb506499f5
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|
571 if(!prefix.equals("")) { |
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|
572 expr = prefix + "." + expr; |
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diff
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|
573 } |
199
c56547b228f9
Remove leading and trailing whitespaces from labelitem.
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diff
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|
574 layer.setLabelitem(expr.trim()); |
180
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diff
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|
575 } |
f4eb506499f5
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diff
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|
576 |
315
1d77ea6a915d
Add basic support for Graphics Layers. For now this is restricted
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diff
changeset
|
577 //Write elements. |
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Add basic support for Graphics Layers. For now this is restricted
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diff
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|
578 writeFeatures(layer, layerElement); |
1d77ea6a915d
Add basic support for Graphics Layers. For now this is restricted
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diff
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|
579 |
42
395307e8b7ee
First MapScript Writer that generates valid mapfiles.
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41
diff
changeset
|
580 //Write classes. |
395307e8b7ee
First MapScript Writer that generates valid mapfiles.
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parents:
41
diff
changeset
|
581 writeClass(layer, layerElement); |
395307e8b7ee
First MapScript Writer that generates valid mapfiles.
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diff
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|
582 } |
298
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|
583 return true; |
41
60ed2164035a
Introduced MapScript writer.
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diff
changeset
|
584 } |
60ed2164035a
Introduced MapScript writer.
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parents:
diff
changeset
|
585 |
42
395307e8b7ee
First MapScript Writer that generates valid mapfiles.
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diff
changeset
|
586 /** |
314
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Workaround a bug in ArcGIS causing FieldNames of shape files that
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diff
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|
587 * Adds the elements (Features) to the layer. |
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Workaround a bug in ArcGIS causing FieldNames of shape files that
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diff
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|
588 * @param layer Mapscript layer object. |
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diff
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|
589 * @param layerElement Dom element containing the feature attributes. |
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|
590 */ |
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Workaround a bug in ArcGIS causing FieldNames of shape files that
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changeset
|
591 private void writeFeatures(layerObj layer, Element layerElement) { |
cd3cb1a7f35a
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diff
changeset
|
592 NodeList list = layerElement.getElementsByTagName("feature"); |
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parents:
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diff
changeset
|
593 for(int i = 0; i < list.getLength(); i++) { |
cd3cb1a7f35a
Workaround a bug in ArcGIS causing FieldNames of shape files that
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|
594 logger.debug("Writing an element"); |
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595 Element feature = (Element)list.item(i); |
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596 pointObj poi = new pointObj( |
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597 Double.parseDouble(feature.getAttribute("X")), |
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598 Double.parseDouble(feature.getAttribute("Y")), |
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599 0.0, -2e38); |
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600 lineObj line = new lineObj(); |
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601 line.add(poi); |
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602 logger.debug("Set the line"); |
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603 |
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604 shapeObj shape = new shapeObj(MS_SHAPE_TYPE.MS_SHAPE_POINT.swigValue()); |
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605 shape.add(line); |
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606 shape.setText(feature.getAttribute("text")); |
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607 |
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608 // Write the Style / Symbol once |
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609 if ( i == 0 ) { |
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610 classObj co = new classObj(layer); |
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611 writeLabel(co, feature, layerElement.getAttribute("type")); |
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612 MarkerStyleWriter swriter = new MarkerStyleWriter (this.map, co); |
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613 swriter.write((Element)feature.getFirstChild()); |
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614 } |
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615 layer.addFeature(shape); |
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616 } |
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617 } |
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618 |
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619 /** |
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620 * Adds the classes to the layer. |
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621 * @param layer Mapscript layer object. |
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622 * @param layerElement Dom element containing the class attributes. |
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623 */ |
120
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624 private void writeClass(layerObj layer, Element layerElement) { |
87
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625 logger.debug("writeClass(layerObj, Element)"); |
42
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626 //Get all renderer elements (renderer in arcgis equals class in the |
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627 //mapfile.) |
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628 NodeList list = layerElement.getElementsByTagName("renderer"); |
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629 |
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630 //Create all found class objects and write the symbols and styles for |
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631 //each class. |
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632 for(int i = 0; i < list.getLength(); i++) { |
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633 Element classElement = (Element)list.item(i); |
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634 classObj co = new classObj(layer); |
124
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635 String name = classElement.getAttribute("label"); |
298
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636 name = msutils.replaceUmlauts(name); |
99
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637 if (name.equals("")) { |
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638 name = layerElement.getAttribute("name"); |
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639 name = msutils.replaceUmlauts(name); |
99
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640 if (list.getLength() > 1) { |
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641 name += "-" + i; |
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642 } |
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643 } |
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644 co.setName (name); |
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645 |
181 | 646 //Create label object. |
180
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647 NodeList labels = layerElement.getElementsByTagName("label"); |
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648 if(labels.getLength() > 0) { |
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649 Element labelElement = (Element)labels.item(0); |
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650 String layerType = layerElement.getAttribute("type"); |
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651 writeLabel(co, labelElement, layerType); |
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652 } |
181 | 653 |
654 //Create definition expression. | |
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655 if(classElement.hasAttribute("field_count")) { |
311
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656 String unwantedPrefix = layerElement.getAttribute("data") + "."; |
314
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657 boolean isShapeFile = false; |
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658 if (layerElement.getAttribute("connection_type") == "local") { |
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659 isShapeFile = true; |
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660 } |
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661 co.setExpression(createExpression(classElement, i, unwantedPrefix, isShapeFile)); |
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662 } |
181 | 663 |
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664 //Write symbols and styles. |
97
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665 NodeList l = classElement.getChildNodes(); |
141
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666 for (int j = l.getLength() - 1; j >= 0; j--) { |
97
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667 Element elem = (Element)l.item(j); |
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668 |
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669 String type = layerElement.getAttribute("type"); |
180
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670 if(type.equals("point") && |
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671 elem.getTagName().equals("symbol")) { |
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672 MarkerStyleWriter swriter = |
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673 new MarkerStyleWriter (this.map, co); |
97
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674 swriter.write (elem); |
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675 } |
180
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676 else if(type.equals("line") && |
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677 elem.getTagName().equals("symbol")) { |
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678 LineStyleWriter swriter = |
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679 new LineStyleWriter (this.map, co); |
97
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680 swriter.write (elem); |
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681 } |
180
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682 else if(type.equals("polygon") && |
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683 elem.getTagName().equals("symbol")) { |
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684 FillStyleWriter swriter = |
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685 new FillStyleWriter (this.map, co); |
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686 swriter.write (elem); |
87
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687 } |
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688 } |
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689 } |
41
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690 } |
126
ff0354265a7d
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691 |
181 | 692 /** |
693 * Create a label object in a class object. | |
694 * | |
695 * @param co Class object. | |
696 * @param labelElement DOM element containing label attributes. | |
697 * @param layertype The layer type. Used to define the label position. | |
698 */ | |
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699 private void writeLabel( |
180
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700 classObj co, |
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701 Element labelElement, |
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702 String layerType) { |
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703 |
181 | 704 //Get the label object. Each class has a predefined labelobject. |
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705 labelObj label = co.getLabel(); |
181 | 706 |
707 //Get the label text symbol attributes from DOM. | |
180
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708 Element symbol = (Element)labelElement.getFirstChild(); |
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709 if(symbol != null && symbol.getTagName().equals("symbol")) { |
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710 String type = symbol.getAttribute("type"); |
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711 if(type.equals("text")) { |
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712 label.setType(MS_FONT_TYPE.MS_TRUETYPE); |
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713 } |
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714 label.setSize(Double.parseDouble(symbol.getAttribute("size"))); |
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715 |
179
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716 if(symbol.hasAttribute("color")) { |
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717 String c = symbol.getAttribute("color"); |
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718 Color col = Color.decode(c); |
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719 colorObj color = new colorObj( |
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720 col.getRed(), |
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721 col.getGreen(), |
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722 col.getBlue(), |
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723 -4); |
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724 label.setColor(color); |
180
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725 } |
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726 if(symbol.hasAttribute("font")) { |
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727 String font = symbol.getAttribute("font"); |
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728 fontSetObj fso = this.map.getFontset(); |
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729 hashTableObj fonts = fso.getFonts(); |
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730 String mapFont = fonts.get(font,""); |
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731 if(mapFont != null && !mapFont.equals("")) { |
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732 label.setFont(font); |
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733 } |
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734 else { |
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735 logger.info( |
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736 "Could not find font " + font + " in font set. " + |
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737 "Using FreeSans for labels."); |
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738 label.setFont("FreeSans"); |
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739 } |
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740 } |
179
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741 |
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742 if(labelElement.hasAttribute("max_scale")) { |
180
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743 double min = |
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744 Double.parseDouble(labelElement.getAttribute("max_scale")); |
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745 if(min > 0) { |
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746 label.setMinscaledenom(min); |
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747 } |
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748 } |
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749 if(labelElement.hasAttribute("min_scale")) { |
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750 double max = |
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751 Double.parseDouble(labelElement.getAttribute("min_scale")); |
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752 if(max > 0) { |
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753 label.setMaxscaledenom(max); |
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754 } |
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755 } |
179
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756 |
181 | 757 //Set the label position. |
180
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758 if(layerType.equals("point")) { |
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759 label.setPosition(MS_POSITIONS_ENUM.MS_UC.swigValue()); |
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760 } |
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761 } |
179
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762 } |
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763 |
314
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764 /** Sanitze an attribute |
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765 * |
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766 * Fixes invalid Field names and/or adds and removes a prefix |
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767 * |
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768 * @param attribute The Attribute to sanitize |
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769 * @param prefixToRemove A Prefix that should be removed (empty otherwise) |
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770 * @param prefixToAdd A Prefix that should be added (empty otherwise) |
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771 * @param enforceShpLimit True if the attribute should follow shapefile |
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772 * format restrictions. |
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773 */ |
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774 private String sanitizeAttribute(String attribute, String prefixToRemove, |
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775 String prefixToAdd, boolean enforceShpLimit) { |
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776 if (enforceShpLimit) { |
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777 /* Workaround for non standard conform shapefile implementations |
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778 * like the one used by ArcGis that appends the field type after the |
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779 * eleventh character. Although the standard actually defines 10 |
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780 * as the maximum length of Field Names GDAL handles the case where |
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781 * the terminating 0 is actually a Character allowing for Field |
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782 * names of up to 11 characters. |
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783 */ |
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784 if (attribute.length() > 10) { |
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785 // Just remove the Type Delimiter |
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786 if (attribute.endsWith("C") || |
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787 attribute.endsWith("D") || |
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788 attribute.endsWith("N") || |
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789 attribute.endsWith("L") || |
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790 attribute.endsWith("M")) { |
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791 attribute = attribute.substring(0, attribute.length() - 1); |
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792 } |
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793 } |
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794 } |
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795 if (!prefixToRemove.isEmpty() && attribute.startsWith(prefixToRemove)) { |
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796 attribute = attribute.replace(prefixToRemove, ""); |
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797 } |
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798 if (!prefixToAdd.isEmpty() && !attribute.startsWith(prefixToAdd)) { |
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799 attribute = prefixToAdd + attribute; |
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800 } |
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801 return attribute; |
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802 } |
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|
803 |
181 | 804 /** |
805 * Create definition expression. | |
806 * | |
807 * @param ce DOM elementcontaining the class expression information. | |
808 * @param index Index to determine the correct expression operator. | |
311
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809 * @param prefixToRemove A string that will be removed from the start of |
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810 * expression fields. |
314
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811 * @param isShapeFile true if shapefile attribute limits should be enforced |
181 | 812 */ |
314
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813 private String createExpression(Element ce, int index, String prefixToRemove, |
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|
814 boolean isShapeFile) { |
137
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|
815 String expression = "("; |
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|
816 int count = 0; |
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817 try { |
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818 count = Integer.parseInt(ce.getAttribute("field_count")); |
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819 } |
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820 catch(NumberFormatException nfe) { |
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821 return ""; |
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822 } |
181 | 823 |
137
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824 if(count == 1) { |
181 | 825 //Create single field expression. |
826 try { | |
827 //If no exception is thrown, the expression value is a number. | |
134
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828 Double.parseDouble(ce.getAttribute("value")); |
314
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829 expression += "[" + |
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830 sanitizeAttribute(ce.getAttribute("expression_field_0"), |
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831 prefixToRemove, prefix, isShapeFile) + "]"; |
137
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832 if(ce.hasAttribute("min_value")) { |
180
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833 if(index == 0) { |
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834 expression += " >= " + ce.getAttribute("min_value"); |
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|
835 } |
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836 else { |
152
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837 expression += " > " + ce.getAttribute("min_value"); |
180
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838 } |
314
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839 expression += " AND [" + |
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|
840 sanitizeAttribute(ce.getAttribute("expression_field_0"), |
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|
841 prefixToRemove, prefix, isShapeFile) + "]"; |
181 | 842 expression += "]"; |
137
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843 } |
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|
844 expression += " " + ce.getAttribute("expression_operator"); |
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845 expression += " " + ce.getAttribute("value") + ")"; |
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846 } |
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847 catch(NumberFormatException nfe) { |
181 | 848 //The expression value is a strings. |
314
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849 expression += "\"["; |
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850 expression += sanitizeAttribute(ce.getAttribute("expression_field_0"), |
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851 prefixToRemove, prefix, isShapeFile) + "]"; |
137
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852 expression += " " + ce.getAttribute("expression_operator"); |
298
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853 expression += " \"" + ce.getAttribute("value") + "\")"; |
137
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854 } |
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855 catch(Exception e) { |
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856 e.printStackTrace(); |
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857 } |
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858 } |
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859 else { |
181 | 860 //Create a multi field expression. |
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861 for (int i = 0; i < count; i++) { |
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862 try { |
181 | 863 //If no exception is thrown, the expression values are |
864 //numbers. | |
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865 Double.parseDouble(ce.getAttribute("value_" + i)); |
314
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866 expression += "["; |
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867 expression += sanitizeAttribute(ce.getAttribute("expression_field_" + i), |
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868 prefixToRemove, prefix, isShapeFile); |
180
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869 expression += "]"; |
134
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870 expression += " " + ce.getAttribute("expression_operator"); |
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871 expression += " " + ce.getAttribute("value_" + i); |
137
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872 if (i < count - 1) { |
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873 expression += " AND "; |
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874 } |
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875 else { |
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876 expression += ")"; |
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877 } |
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878 } |
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879 catch (NumberFormatException nfe) { |
181 | 880 //The expression values are strings. |
314
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881 expression += "\"["; |
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882 expression += sanitizeAttribute(ce.getAttribute("expression_field_" + i), |
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883 prefixToRemove, prefix, isShapeFile); |
180
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884 expression += "]\""; |
134
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885 expression += " " + ce.getAttribute("expression_operator"); |
186
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886 expression += " \"" + ce.getAttribute("value_" + i); |
137
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887 if (i < count - 1) { |
186
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888 expression += "\" AND "; |
137
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889 } |
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890 else { |
186
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891 expression += "\")"; |
137
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892 } |
126
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893 } |
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894 } |
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895 } |
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896 return expression; |
127
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897 } |
41
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898 } |