Mercurial > mxd2map
annotate src/java/de/intevation/mxd/reader/MapReader.java @ 207:448a2fd085e0
Fixed the group and layer name concatenation.
author | raimund renkert <raimund.renkert@intevation.de> |
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date | Thu, 21 Jul 2011 17:28:52 +0200 |
parents | 0bde090506f9 |
children | df4e0946ef02 |
rev | line source |
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1 package de.intevation.mxd.reader; |
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2 |
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3 import java.io.IOException; |
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4 |
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5 import org.apache.log4j.Logger; |
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6 |
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7 import com.esri.arcgis.carto.IMap; |
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8 import com.esri.arcgis.carto.Map; |
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9 import com.esri.arcgis.geometry.ISpatialReference; |
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10 import com.esri.arcgis.geometry.ProjectedCoordinateSystem; |
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11 import com.esri.arcgis.geometry.GeographicCoordinateSystem; |
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12 import com.esri.arcgis.geometry.UnknownCoordinateSystem; |
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13 import com.esri.arcgis.geometry.Projection; |
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14 import com.esri.arcgis.geometry.IEnvelope; |
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15 |
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16 import org.w3c.dom.Element; |
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17 |
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18 import de.intevation.mxd.utils.MapToXMLUtils; |
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19 |
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20 /** |
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21 * Reads map information. |
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22 * |
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23 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> |
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24 */ |
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25 public class MapReader { |
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26 /** |
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27 * The Logger. |
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28 */ |
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29 private static final Logger logger = Logger.getLogger(MapReader.class); |
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30 |
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31 /** |
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32 * Private member. |
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33 */ |
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34 private Map map; |
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35 private MapToXMLUtils util; |
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36 |
181 | 37 /** |
38 * Constructor with ArcGIS map. | |
39 * | |
40 * @param map The ArcGIS map object. | |
41 */ | |
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42 public MapReader(IMap map) |
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43 throws Exception { |
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44 logger.debug("constructor()"); |
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45 if(map instanceof Map) { |
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46 this.map = (Map)map; |
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47 } |
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48 else { |
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49 throw new Exception("Not an instance of \"Map\"!"); |
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50 } |
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51 } |
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52 |
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53 /** |
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54 * Reads the Map attributes. |
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55 */ |
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56 public void read() |
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57 throws IOException { |
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58 logger.debug("read()"); |
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59 if(util == null) { |
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60 throw new IOException("Can not write to document."); |
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61 } |
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62 |
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63 //Create XML Element for map. |
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64 Element mapElement; |
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65 try{ |
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66 mapElement = util.createMap(); |
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67 } |
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68 catch(Exception e){ |
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69 logger.error("Could not create DOM element. Aborting."); |
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70 throw new IOException("Error creating DOM element."); |
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71 } |
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72 |
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73 //Read map name. |
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74 try { |
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75 mapElement.setAttribute("name", map.getName()); |
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76 } |
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77 catch(IOException ioe) { |
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78 logger.warn( |
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79 "Could not read map name." + |
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80 " Setting map name to \"default-map\""); |
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81 mapElement.setAttribute("name", "default-map"); |
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82 } |
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83 |
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84 //Read map extent. |
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85 try { |
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86 IEnvelope ext = map.getExtent(); |
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87 mapElement.setAttribute( |
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88 "extent_max_x", |
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89 String.valueOf(ext.getXMax())); |
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90 mapElement.setAttribute( |
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91 "extent_max_y", |
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92 String.valueOf(ext.getYMax())); |
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93 mapElement.setAttribute( |
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94 "extent_min_x", |
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95 String.valueOf(ext.getXMin())); |
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96 mapElement.setAttribute( |
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97 "extent_min_y", |
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98 String.valueOf(ext.getYMin())); |
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99 } |
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100 catch(IOException ioe) { |
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101 logger.warn("Could not read map extend. Setting to 0, 0, 0, 0."); |
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102 mapElement.setAttribute("extend_max_x", "0"); |
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103 mapElement.setAttribute("extend_min_x", "0"); |
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104 mapElement.setAttribute("extend_max_y", "0"); |
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105 mapElement.setAttribute("extend_min_y", "0"); |
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106 } |
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107 |
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108 //Read map units. |
121
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109 int units = 0; |
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110 try { |
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111 units = map.getMapUnits(); |
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112 } |
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113 catch(IOException ioe) { |
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114 logger.warn( |
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115 "Could not read map units." + |
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116 " Setting map units to unknown."); |
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117 units = 0; |
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118 } |
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119 |
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120 String s_units; |
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121 switch(units) { |
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122 case 1: s_units = "inches"; break; |
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123 case 2: s_units = "points"; break; |
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124 case 3: s_units = "feet"; break; |
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125 case 4: s_units = "yards"; break; |
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126 case 5: s_units = "miles"; break; |
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127 case 6: s_units = "nauticalmiles"; break; |
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128 case 7: s_units = "millimeters"; break; |
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129 case 8: s_units = "centimeters"; break; |
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130 case 9: s_units = "meters"; break; |
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131 case 10: s_units = "kilometers"; break; |
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132 case 11: s_units = "degree"; break; |
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133 case 12: s_units = "decimeters"; break; |
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134 case 13: s_units = "units_last"; break; |
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135 default : s_units = "unknown"; break; |
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136 } |
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137 mapElement.setAttribute("units", s_units); |
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138 |
121
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139 if(units == 0) { |
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140 logger.warn( |
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141 "Unknown units." + |
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142 " Please edit units in resulting mapfile."); |
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143 } |
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144 |
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145 try { |
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146 mapElement.setAttribute( |
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147 "scale", |
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148 String.valueOf(map.getMaxScale())); |
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149 } |
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150 catch(IOException ioe) { |
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151 logger.warn("Could not read map scale. Setting map scale to 1000"); |
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152 mapElement.setAttribute("scale", "1000"); |
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153 } |
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154 |
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155 //Read the projection. |
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156 try { |
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157 ISpatialReference sr = map.getSpatialReference(); |
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158 int projection = 0; |
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159 if(sr instanceof ProjectedCoordinateSystem) { |
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160 ProjectedCoordinateSystem pcs = (ProjectedCoordinateSystem)sr; |
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161 projection = pcs.getFactoryCode(); |
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162 } |
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163 else if(sr instanceof GeographicCoordinateSystem) { |
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164 GeographicCoordinateSystem gcs = (GeographicCoordinateSystem)sr; |
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165 projection = gcs.getFactoryCode(); |
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166 } |
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167 else if(sr instanceof UnknownCoordinateSystem) { |
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168 UnknownCoordinateSystem ucs = (UnknownCoordinateSystem)sr; |
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169 projection = 0; |
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170 } |
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171 else{ |
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172 logger.debug( |
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173 "Unknown SpatialReference: " + |
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174 sr.getClass().toString()); |
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175 } |
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176 |
170
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177 if(projection == 0) { |
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178 logger.warn( |
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179 "Unknown projection." + |
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180 " Please edit projection in resulting mapfile."); |
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181 } |
170
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182 mapElement.setAttribute("projection", String.valueOf(projection)); |
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183 } |
121
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184 catch(IOException ioe) { |
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185 logger.warn( |
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186 "Could not read map projection." + |
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187 " Setting map projection to unknown."); |
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188 mapElement.setAttribute("projection", "Unknown"); |
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189 } |
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190 } |
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191 |
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192 /** |
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193 * Set the utilities. |
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194 */ |
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195 public void setUtil(MapToXMLUtils util) { |
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196 this.util = util; |
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197 } |
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198 } |
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199 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |