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annotate src/java/de/intevation/mxd/writer/MapScriptWriter.java @ 139:2040463cb4f7

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* doku/Makefile, doku/source/conf.py, doku/source/index.rst, doku/source/restrictions.rst: New. added stub for creating a documentation. * Added doku/build/ to .hgignore
author Stephan Holl <stephan.holl@intevation.de>
date Fri, 24 Jun 2011 09:34:21 +0200
parents cd55975ba0c4
children 8f30f7e802d6
rev   line source
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1 package de.intevation.mxd.writer;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import org.w3c.dom.Document;
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6 import org.w3c.dom.Element;
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7 import org.w3c.dom.NodeList;
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8
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9 import java.io.File;
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10
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11 import javax.xml.xpath.XPathConstants;
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12
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13 import edu.umn.gis.mapscript.mapObj;
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14 import edu.umn.gis.mapscript.layerObj;
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15 import edu.umn.gis.mapscript.classObj;
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16
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17 import edu.umn.gis.mapscript.MS_UNITS;
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18 import edu.umn.gis.mapscript.MS_LAYER_TYPE;
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19 import edu.umn.gis.mapscript.MS_CONNECTION_TYPE;
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20
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21 import de.intevation.mxd.utils.XMLUtils;
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22
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23 /**
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24 * The Mapfile Writer.
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25 * This Writer uses the MapScript Java API to create Mapfiles from a DOM.
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26 *
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27 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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28 */
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29 public class MapScriptWriter
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30 implements IWriter
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31 {
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32 /**
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33 * The Logger.
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34 */
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35 private static final Logger logger = Logger.getLogger(MapScriptWriter.class);
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36
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37 /**
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38 * Private member.
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39 */
41
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40 private Document root;
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41 private mapObj map;
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42 private String mapFilename;
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43 private String MS_BINDIR = "c:/ms_6.1-dev/bin";
134
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44 private String prefix = "";
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45
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46 public MapScriptWriter() {
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47 map = new mapObj("");
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48 mapFilename = "";
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49 }
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50
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51 public MapScriptWriter(String templ, String filename) {
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52 map = new mapObj(templ);
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53 mapFilename = filename;
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54 }
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55
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56 /**
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57 * Write the mapfile.
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58 * @param doc The root document containin the map attributes.
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59 *
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60 * @return Currently always true.
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61 */
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62 public boolean write(Document doc) {
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63 logger.debug("write()");
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64 this.root = doc;
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65
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66 //Get the filename.
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67 Element fileNode = (Element)XMLUtils.xpath(
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68 root,
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69 "/mxd/file",
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70 XPathConstants.NODE);
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71 //Write the map attributes.
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72 writeMap();
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73 //Write the layers.
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74 writeLayer();
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75 //Save the map.
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76 mapObj cloneMap = map.cloneMap();
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77 cloneMap.save(mapFilename);
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78 logger.info("Mapfile successfully created.");
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79 return true;
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80 }
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81
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82 /**
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83 * Create the map object and set the attributes.
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84 */
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85 private void writeMap() {
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86 logger.debug("writeMap()");
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87 //Get the map.
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88 Element mapNode = (Element)XMLUtils.xpath(
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89 root,
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90 "/mxd/map",
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91 XPathConstants.NODE);
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92
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93 //Set the name.
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94 map.setName(mapNode.getAttribute("name"));
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95 map.setMetaData("wms_title", mapNode.getAttribute("name"));
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96 //Set the extent.
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97 map.setExtent(
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98 Double.parseDouble(mapNode.getAttribute("extent_min_x")),
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99 Double.parseDouble(mapNode.getAttribute("extent_min_y")),
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100 Double.parseDouble(mapNode.getAttribute("extent_max_x")),
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101 Double.parseDouble(mapNode.getAttribute("extent_max_y")));
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102
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103 //Set the units.
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104 String units = mapNode.getAttribute("units");
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105 MS_UNITS msu;
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106 if(units.equals("feet")) {
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107 msu = MS_UNITS.MS_FEET;
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108 }
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109 else if(units.equals("inches")) {
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110 msu = MS_UNITS.MS_INCHES;
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111 }
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112 else if(units.equals("kilometers")) {
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113 msu = MS_UNITS.MS_KILOMETERS;
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114 }
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115 else if(units.equals("meters")) {
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116 msu = MS_UNITS.MS_METERS;
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117 }
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118 else if(units.equals("miles")) {
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119 msu = MS_UNITS.MS_MILES;
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120 }
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121 else if(units.equals("nauticalmiles")) {
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122 msu = MS_UNITS.MS_NAUTICALMILES;
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123 }
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124 else if(units.equals("points")) {
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125 msu = MS_UNITS.MS_PIXELS;
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126 }
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127 else {
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128 msu = MS_UNITS.MS_METERS;
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129 }
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130 map.setUnits(msu);
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131
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132 //TODO: Find out whats the correct scale value.
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133 //map.setScaledenom(Double.parseDouble(mapNode.getAttribute("scale")));
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134 }
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135
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136 /**
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137 * Create layer objects and set the attributes.
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138 */
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139 private void writeLayer() {
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140 logger.debug("writeLayer()");
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141 Element mapNode = (Element)XMLUtils.xpath(
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142 root,
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143 "/mxd/map",
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144 XPathConstants.NODE);
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145 NodeList list = mapNode.getElementsByTagName("layer");
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146 for(int i = 0; i < list.getLength(); i++) {
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147 Element layerElement = (Element)list.item(i);
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148 layerObj layer = new layerObj(map);
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149
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150 //The layer name.
137
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151 String lname = layerElement.getAttribute("name");
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152 lname = lname.replaceAll(" ", "");
132
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153 layer.setName(lname);
128
1616622a8c8d Insert metadata for layer title for getCapabilities request.
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154 layer.setMetaData("wms_title", layerElement.getAttribute("name"));
42
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155
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156 //The layer status.
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157 String stat = layerElement.getAttribute("status");
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158 if (stat.equals("on")) {
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159 layer.setStatus(1);
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160 }
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161 else {
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162 layer.setStatus(0);
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163 }
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164
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165 //The scale.
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166 double maxScale =
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167 Double.parseDouble(layerElement.getAttribute("max_scale"));
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168 double minScale =
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169 Double.parseDouble(layerElement.getAttribute("min_scale"));
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170 layer.setMaxscaledenom(maxScale);
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171 layer.setMinscaledenom(minScale);
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172
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173 //The layer type.
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174 String type = layerElement.getAttribute("type");
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175 if(type.equals("point")) {
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176 layer.setType(MS_LAYER_TYPE.MS_LAYER_POINT);
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177 }
62
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178 else if (type.equals("line")) {
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179 layer.setType(MS_LAYER_TYPE.MS_LAYER_LINE);
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180 }
97
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181 else if (type.equals("polygon")) {
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182 layer.setType(MS_LAYER_TYPE.MS_LAYER_POLYGON);
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183 }
102
3ca2ec55fb3b Set TILEITEM to an empty string.
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184 layer.setTileitem("");
42
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185
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186 //The layer datasource.
137
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187 String con_type = layerElement.getAttribute("connection_type");
134
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188 if(con_type.equals("local")) {
130
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189 String datasource = "";
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190 if(layerElement.hasAttribute("workspace")) {
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191 datasource = layerElement.getAttribute("workspace");
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192 datasource += File.separator;
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193 }
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194 datasource += layerElement.getAttribute("data_source");
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195 layer.setData(datasource);
137
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196 }
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197 else if(con_type.equals("SDE")) {
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198 logger.info(
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199 "SDE datasource found." +
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200 " Please edit password in mapfile.");
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201 layer.setConnectionType(
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diff changeset
202 MS_CONNECTION_TYPE.MS_PLUGIN.swigValue(),
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203 MS_BINDIR + "/ms/plugins/msplugin_sde_93.dll");
130
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204 layer.setConnection(
137
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205 layerElement.getAttribute("server") + "," +
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206 "port:" + layerElement.getAttribute("instance") + "," +
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207 layerElement.getAttribute("database") + "," +
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208 layerElement.getAttribute("user") + ",<PASSWORD>");
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diff changeset
209 layer.setData(
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210 layerElement.getAttribute("data_source") +
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211 ",SHAPE," +
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212 layerElement.getAttribute("version"));
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213 layer.setProcessing("CLOSE_CONNECTION=defer");
134
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diff changeset
214 layer.setProcessing("ATTRIBUTE_QUALIFIED=TRUE");
137
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parents: 134
diff changeset
215 if(layerElement.hasAttribute("join_table")) {
134
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diff changeset
216 layer.setProcessing(
137
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diff changeset
217 "JOINTABLE=" +
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218 layerElement.getAttribute("join_table"));
134
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diff changeset
219 layer.setFilter(
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diff changeset
220 "where " +
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221 layerElement.getAttribute("definition_query") +
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diff changeset
222 " AND " +
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diff changeset
223 layerElement.getAttribute("join_table_target") + "." +
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parents: 132
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224 layerElement.getAttribute("join_field_target") + "=" +
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diff changeset
225 layerElement.getAttribute("join_table") + "." +
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diff changeset
226 layerElement.getAttribute("join_field"));
137
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diff changeset
227 }
cd55975ba0c4 Done some minor reformatings.
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diff changeset
228 else {
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diff changeset
229 prefix = layerElement.getAttribute("data_source");
cd55975ba0c4 Done some minor reformatings.
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diff changeset
230 }
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
231 }
129
0b119169618f Insert TEMPLATE entry for GFI request.
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parents: 128
diff changeset
232 layer.setTemplate("PleaseInsertAValidTemplateForGFI");
42
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233 //Write classes.
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234 writeClass(layer, layerElement);
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diff changeset
235 }
41
60ed2164035a Introduced MapScript writer.
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parents:
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236
60ed2164035a Introduced MapScript writer.
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parents:
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237 }
60ed2164035a Introduced MapScript writer.
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238
42
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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diff changeset
239 /**
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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240 * Adds the classes to the layer.
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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241 * @param layer Mapscript layer object.
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242 * @param layerElement Dom element containing the class attributes.
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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parents: 41
diff changeset
243 */
120
11d63bf00326 Changed exception handling and logging in writer classes.
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parents: 102
diff changeset
244 private void writeClass(layerObj layer, Element layerElement) {
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
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parents: 62
diff changeset
245 logger.debug("writeClass(layerObj, Element)");
42
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parents: 41
diff changeset
246 //Get all renderer elements (renderer in arcgis equals class in the
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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parents: 41
diff changeset
247 //mapfile.)
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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parents: 41
diff changeset
248 NodeList list = layerElement.getElementsByTagName("renderer");
41
60ed2164035a Introduced MapScript writer.
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249
42
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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diff changeset
250 //Create all found class objects and write the symbols and styles for
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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diff changeset
251 //each class.
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diff changeset
252 for(int i = 0; i < list.getLength(); i++) {
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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diff changeset
253 Element classElement = (Element)list.item(i);
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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parents: 41
diff changeset
254 classObj co = new classObj(layer);
124
0f5819732288 Set label text as class name in mapfile.
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parents: 120
diff changeset
255 String name = classElement.getAttribute("label");
99
d6d2a4058ebf Set the class name to the layer name if it is empty.
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parents: 98
diff changeset
256 if (name.equals("")) {
d6d2a4058ebf Set the class name to the layer name if it is empty.
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parents: 98
diff changeset
257 name = layerElement.getAttribute("name");
d6d2a4058ebf Set the class name to the layer name if it is empty.
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parents: 98
diff changeset
258 if (list.getLength() > 1) {
d6d2a4058ebf Set the class name to the layer name if it is empty.
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parents: 98
diff changeset
259 name += "-" + i;
d6d2a4058ebf Set the class name to the layer name if it is empty.
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parents: 98
diff changeset
260 }
d6d2a4058ebf Set the class name to the layer name if it is empty.
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parents: 98
diff changeset
261 }
d6d2a4058ebf Set the class name to the layer name if it is empty.
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parents: 98
diff changeset
262 co.setName (name);
44
9b5fb5e5914d Added expressions for mapserver classes.
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parents: 43
diff changeset
263 if(classElement.hasAttribute("field_count")) {
137
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
264 co.setExpression(createExpression(classElement));
44
9b5fb5e5914d Added expressions for mapserver classes.
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parents: 43
diff changeset
265 }
42
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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diff changeset
266 //Write symbols and styles.
97
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parents: 96
diff changeset
267 NodeList l = classElement.getChildNodes();
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parents: 96
diff changeset
268 for (int j = 0; j < l.getLength(); j++) {
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parents: 96
diff changeset
269 Element elem = (Element)l.item(j);
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parents: 96
diff changeset
270
18e4f143896b Added polygon writer.
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parents: 96
diff changeset
271 String type = layerElement.getAttribute("type");
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parents: 96
diff changeset
272 if(type.equals("point") && elem.getTagName().equals("symbol")) {
87
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parents: 62
diff changeset
273 MarkerStyleWriter swriter = new MarkerStyleWriter (this.map, co);
97
18e4f143896b Added polygon writer.
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parents: 96
diff changeset
274 swriter.write (elem);
87
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diff changeset
275 }
97
18e4f143896b Added polygon writer.
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parents: 96
diff changeset
276 else if(type.equals("line") && elem.getTagName().equals("symbol")) {
95
1ae8e05b863f Use the line style writer to write simple lines and marker lines.
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parents: 91
diff changeset
277 LineStyleWriter swriter = new LineStyleWriter (this.map, co);
97
18e4f143896b Added polygon writer.
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parents: 96
diff changeset
278 swriter.write (elem);
18e4f143896b Added polygon writer.
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parents: 96
diff changeset
279 }
18e4f143896b Added polygon writer.
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parents: 96
diff changeset
280 else if(type.equals("polygon") && elem.getTagName().equals("symbol")) {
18e4f143896b Added polygon writer.
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parents: 96
diff changeset
281 FillStyleWriter swriter = new FillStyleWriter (this.map, co);
18e4f143896b Added polygon writer.
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parents: 96
diff changeset
282 swriter.write (elem);
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
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283 }
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
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284 }
42
395307e8b7ee First MapScript Writer that generates valid mapfiles.
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285 }
41
60ed2164035a Introduced MapScript writer.
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286 }
126
ff0354265a7d Write the correct expression for double values.
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287
134
acc9e5430177 Handle SDE connection attributes and expressions.
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288
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289 private String createExpression(Element ce) {
137
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290 String expression = "(";
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291 int count = 0;
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292 try {
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293 count = Integer.parseInt(ce.getAttribute("field_count"));
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294 }
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295 catch(NumberFormatException nfe) {
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296 return "";
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297 }
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298 if(count == 1) {
134
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299 try {
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300 Double.parseDouble(ce.getAttribute("value"));
137
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301 String exp = ce.getAttribute("expression_field_0");
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302 String pre = "";
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303 if (!prefix.equals("") && !exp.startsWith(prefix)) {
134
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304 pre = prefix + ".";
137
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305 }
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306 expression += "[" + pre;
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307 expression += ce.getAttribute("expression_field_0") + "]";
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308 if(ce.hasAttribute("min_value")) {
134
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309 expression += " > " + ce.getAttribute("min_value");
137
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310 expression += " AND [";
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311 expression += ce.getAttribute("expression_field_0")+ "]";
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312 }
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313 expression += " " + ce.getAttribute("expression_operator");
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314 expression += " " + ce.getAttribute("value") + ")";
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315 }
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316 catch(NumberFormatException nfe) {
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317 String exp = ce.getAttribute("expression_field_0");
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318 String pre = "";
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319 if (!prefix.equals("") && !exp.startsWith(prefix)) {
134
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320 pre = prefix + ".";
137
cd55975ba0c4 Done some minor reformatings.
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321 }
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322 expression += "\"[" + pre;
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323 expression += ce.getAttribute("expression_field_0") + "]\"";
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diff changeset
324 expression += " " + ce.getAttribute("expression_operator");
cd55975ba0c4 Done some minor reformatings.
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diff changeset
325 expression += " \"" + ce.getAttribute("value") + "\")";
cd55975ba0c4 Done some minor reformatings.
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diff changeset
326 }
cd55975ba0c4 Done some minor reformatings.
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327 catch(Exception e) {
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328 e.printStackTrace();
cd55975ba0c4 Done some minor reformatings.
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parents: 134
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329 }
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
330 }
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
331 else {
134
acc9e5430177 Handle SDE connection attributes and expressions.
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diff changeset
332 for (int i = 0; i < count; i++) {
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333 try {
acc9e5430177 Handle SDE connection attributes and expressions.
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334 Double.parseDouble(ce.getAttribute("value_" + i));
acc9e5430177 Handle SDE connection attributes and expressions.
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335 String exp = ce.getAttribute("expression_field_" + i);
acc9e5430177 Handle SDE connection attributes and expressions.
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diff changeset
336 String pre = "";
acc9e5430177 Handle SDE connection attributes and expressions.
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diff changeset
337 if (!prefix.equals("") && !exp.startsWith(prefix)) {
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338 pre = prefix + ".";
acc9e5430177 Handle SDE connection attributes and expressions.
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339 }
acc9e5430177 Handle SDE connection attributes and expressions.
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340 expression += "[" + pre;
acc9e5430177 Handle SDE connection attributes and expressions.
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341 expression += ce.getAttribute("expression_field_" + i) + "]";
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342 expression += " " + ce.getAttribute("expression_operator");
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diff changeset
343 expression += " " + ce.getAttribute("value_" + i);
137
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
344 if (i < count - 1) {
cd55975ba0c4 Done some minor reformatings.
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diff changeset
345 expression += " AND ";
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
346 }
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
347 else {
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
348 expression += ")";
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
349 }
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
350 }
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
351 catch (NumberFormatException nfe) {
cd55975ba0c4 Done some minor reformatings.
Raimund Renkert <rrenkert@intevation.de>
parents: 134
diff changeset
352 String exp = ce.getAttribute("expression_field_" + i);
134
acc9e5430177 Handle SDE connection attributes and expressions.
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diff changeset
353 String pre = "";
acc9e5430177 Handle SDE connection attributes and expressions.
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parents: 132
diff changeset
354 if (!prefix.equals("") && !exp.startsWith(prefix)) {
acc9e5430177 Handle SDE connection attributes and expressions.
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parents: 132
diff changeset
355 pre = prefix + ".";
acc9e5430177 Handle SDE connection attributes and expressions.
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diff changeset
356 }
acc9e5430177 Handle SDE connection attributes and expressions.
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diff changeset
357 expression += "\"[" + pre;
acc9e5430177 Handle SDE connection attributes and expressions.
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diff changeset
358 expression += ce.getAttribute("expression_field_" + i) + "]\"";
acc9e5430177 Handle SDE connection attributes and expressions.
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parents: 132
diff changeset
359 expression += " " + ce.getAttribute("expression_operator");
acc9e5430177 Handle SDE connection attributes and expressions.
vc11884admin@VC11884.win.bsh.de
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diff changeset
360 expression += " " + ce.getAttribute("value_" + i);
137
cd55975ba0c4 Done some minor reformatings.
Raimund Renkert <rrenkert@intevation.de>
parents: 134
diff changeset
361 if (i < count - 1) {
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
362 expression += " AND ";
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
363 }
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
364 else {
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
365 expression += ")";
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
366 }
126
ff0354265a7d Write the correct expression for double values.
Raimund Renkert <rrenkert@intevation.de>
parents: 124
diff changeset
367 }
ff0354265a7d Write the correct expression for double values.
Raimund Renkert <rrenkert@intevation.de>
parents: 124
diff changeset
368 }
ff0354265a7d Write the correct expression for double values.
Raimund Renkert <rrenkert@intevation.de>
parents: 124
diff changeset
369 }
137
cd55975ba0c4 Done some minor reformatings.
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parents: 134
diff changeset
370 return expression;
127
5ba8bf865dc7 Write expressions for string values to the mapfile.
Raimund Renkert <rrenkert@intevation.de>
parents: 126
diff changeset
371 }
41
60ed2164035a Introduced MapScript writer.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
372 }
60ed2164035a Introduced MapScript writer.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
373
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