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annotate flys-artifacts/src/main/java/de/intevation/flys/utils/MapfileGenerator.java @ 1710:055f32a5388a

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Improved the mapfile templates to create nicer GetLegendGraphic images. flys-artifacts/trunk@2970 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 14 Oct 2011 11:13:04 +0000
parents 6c0b79efd2c9
children 0156105222c9
rev   line source
1129
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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1 package de.intevation.flys.utils;
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2
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3 import java.io.File;
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4 import java.io.FileNotFoundException;
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5 import java.io.FileWriter;
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6 import java.io.IOException;
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7 import java.io.StringWriter;
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8 import java.io.Writer;
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9
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10 import java.util.ArrayList;
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11 import java.util.Date;
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12 import java.util.List;
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13
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14 import org.apache.log4j.Logger;
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15
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16 import org.apache.velocity.Template;
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17 import org.apache.velocity.VelocityContext;
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18 import org.apache.velocity.app.VelocityEngine;
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19
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055f32a5388a Improved the mapfile templates to create nicer GetLegendGraphic images.
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20 import de.intevation.artifacts.common.utils.Config;
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21
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22 import de.intevation.flys.artifacts.model.LayerInfo;
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23
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24 /**
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25 * This class iterates over a bunch of directories, searches for meta
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26 * information coresponding to shapefiles and creates a mapfile which is used by
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27 * a <i>MapServer</i>.
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28 *
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29 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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30 */
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31 public class MapfileGenerator
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32 extends Thread
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33 {
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34 public static final String WSPLGEN_RESULT_SHAPE = "wsplgen.shp";
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35 public static final String WSPLGEN_LINES_SHAPE = "barrier_lines.shp";
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36 public static final String WSPLGEN_POLYGONS_SHAPE = "barrier_polygons.shp";
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37
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38 public static final String MS_WSPLGEN_POSTFIX = "-wsplgen";
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39 public static final String MS_BARRIERS_POSTFIX = "-barriers";
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40 public static final String MS_LINE_POSTFIX = "-lines";
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41 public static final String MS_POLYGONS_POSTFIX = "-polygons";
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43 protected static final long SLEEPTIME = 10 * 1000L; // 10 seconds
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45 private static Logger logger = Logger.getLogger(MapfileGenerator.class);
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47 private static MapfileGenerator instance;
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48
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49 private File mapfile;
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50 private File shapefileDirectory;
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51
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52 private String mapServerUrl;
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53 private String templatePath;
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54 private String velocityLogfile;
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55
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56 private VelocityEngine velocityEngine;
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57 private boolean lock[];
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58
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61 private MapfileGenerator() {
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62 lock = new boolean[1];
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63 }
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66 /**
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67 * A main method which can be used to create a mapfile without a running
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68 * artifact server.<br>
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69 * <b>NOTE:</b> This method is not implemented yet!
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70 *
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71 * @param args Arguments.
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72 */
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73 public static void main(String[] args) {
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74 throw new Error("MapfileGenerator.main() is CURRENTLY NOT IMPLEMENTED!");
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75 }
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78 /**
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79 * Returns the instance of this generator.
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80 *
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81 * @return the instance.
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82 */
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83 public static synchronized MapfileGenerator getInstance() {
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84 if (instance == null) {
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85 instance = new MapfileGenerator();
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86 instance.setDaemon(true);
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87 instance.start();
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88 }
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90 return instance;
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91 }
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94 /**
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95 * Triggers the mapfile generation process.
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96 */
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97 public void update() {
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98 synchronized (lock) {
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99 logger.debug("update");
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100 lock[0] = true;
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101 lock.notify();
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102 }
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103 }
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106 /**
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107 * Thread to generate a mapfile.
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108 */
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109 @Override
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110 public void run() {
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111 logger.debug("Start MapfileGenerator thread...");
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112 try {
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113 for (;;) {
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114 synchronized (lock) {
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115 while (!lock[0]) {
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116 lock.wait(SLEEPTIME);
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117 }
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118 lock[0] = false;
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119 }
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120
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121 logger.debug("Start sync process now...");
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122 generate();
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123 }
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124 }
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125 catch (InterruptedException ie) {
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126 logger.debug("MapfileGenerator thread got an interrupt.");
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127 }
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128 catch (FileNotFoundException fnfe) {
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129 logger.debug("Error while mapfile creation: " + fnfe.getMessage());
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130 }
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131 finally {
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132 logger.debug("THREAD END");
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133 }
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134 }
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135
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136 /**
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137 * Method to check the existance of a template file.
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138 *
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139 * @param templateID The name of a template.
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140 * @return true, of the template exists - otherwise false.
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141 */
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142 public boolean templateExists(String templateID){
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143 Template template = getTemplateByName(templateID);
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144 return template != null;
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145 }
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146
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147
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148 /**
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149 * Method which starts searching for meta information file and mapfile
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150 * generation.
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151 */
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152 protected void generate()
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153 throws FileNotFoundException
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154 {
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155 File[] userDirs = getUserDirs();
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156 List<LayerInfo> layers = parseLayers(userDirs);
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157
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158 logger.info("Found " + layers.size() + " layers for user mapfile.");
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159
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160 writeMapfile(layers);
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161 }
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162
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163
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164 /**
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165 * Returns the VelocityEngine used for the template mechanism.
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166 *
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167 * @return the velocity engine.
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168 */
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169 protected VelocityEngine getVelocityEngine() {
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170 if (velocityEngine == null) {
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171 velocityEngine = new VelocityEngine();
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172 try {
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173 setupVelocity(velocityEngine);
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174 }
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175 catch (Exception e) {
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176 logger.error(e, e);
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177 return null;
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178 }
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179 }
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180 return velocityEngine;
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181 }
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182
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183
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184 /**
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185 * Initialize velocity.
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186 *
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187 * @param engine Velocity engine.
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188 * @throws Exception if an error occured while initializing velocity.
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189 */
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190 protected void setupVelocity(VelocityEngine engine)
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191 throws Exception
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192 {
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193 engine.setProperty(
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194 "input.encoding",
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195 "UTF-8");
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196
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197 engine.setProperty(
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198 VelocityEngine.RUNTIME_LOG,
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199 FLYSUtils.getXPathString(FLYSUtils.XPATH_VELOCITY_LOGFILE));
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200
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201 engine.setProperty(
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202 "resource.loader",
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203 "file");
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204
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205 engine.setProperty(
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206 "file.resource.loader.path",
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207 FLYSUtils.getXPathString(FLYSUtils.XPATH_MAPSERVER_TEMPLATE_PATH));
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208
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209 engine.init();
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210 }
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211
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212
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213 /**
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214 * Returns a template specified by <i>model</i>.
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215 *
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216 * @param model The name of the template.
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217 * @return a template.
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218 */
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219 protected Template getTemplateByName(String model) {
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220 if (model.indexOf(".vm") < 0) {
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221 model = model.concat(".vm");
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222 }
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223
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224 try {
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225 VelocityEngine engine = getVelocityEngine();
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226 if (engine == null) {
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227 logger.error("Error while fetching VelocityEngine.");
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228 return null;
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229 }
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230
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231 return engine.getTemplate(model);
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232 }
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233 catch (Exception e) {
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234 logger.warn(e, e);
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235 }
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236
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237 return null;
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238 }
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239
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240
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241 /**
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242 * Returns the mapfile template.
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243 *
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244 * @return the mapfile template.
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245 * @throws Exception if an error occured while reading the configuration.
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246 */
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247 protected Template getMapfileTemplate()
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248 throws Exception
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249 {
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250 String mapfileName = FLYSUtils.getXPathString(
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251 FLYSUtils.XPATH_MAPFILE_TEMPLATE);
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252
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253 return getTemplateByName(mapfileName);
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254 }
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255
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256
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257 /**
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258 * Returns the base directory storing the shapefiles.
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259 *
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260 * @return the shapefile base directory.
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261 *
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262 * @throws FileNotFoundException if no shapefile path is found or
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263 * configured.
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264 */
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265 protected File getShapefileBaseDir()
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266 throws FileNotFoundException
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267 {
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268 if (shapefileDirectory == null) {
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269 String path = FLYSUtils.getXPathString(
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270 FLYSUtils.XPATH_SHAPEFILE_DIR);
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271
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272 if (path != null) {
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273 shapefileDirectory = new File(path);
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274 }
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275
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276 if (shapefileDirectory == null || !shapefileDirectory.exists()) {
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277 throw new FileNotFoundException("No shapefile directory given");
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278 }
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279 }
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280
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281 return shapefileDirectory;
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282 }
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283
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284
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285 protected File[] getUserDirs()
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286 throws FileNotFoundException
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287 {
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288 File baseDir = getShapefileBaseDir();
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289 File[] artifactDirs = baseDir.listFiles();
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290
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291 // TODO ONLY RETURN DIRECTORIES OF THE SPECIFIED USER
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292
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293 return artifactDirs;
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294 }
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295
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296
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297
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298 protected List<LayerInfo> parseLayers(File[] dirs) {
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299 List<LayerInfo> layers = new ArrayList<LayerInfo>();
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300
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301 for (File dir: dirs) {
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302 LayerInfo layer = parseUeskLayer(dir);
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303 if (layer != null && layer.getData() != null) {
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304 logger.debug(" Add WSPLGEN layer.");
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305 layers.add(layer);
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306 }
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307
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308 List<LayerInfo> barriers = parseBarriersLayers(dir);
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309 int num = barriers != null ? barriers.size() : 0;
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310 if (num > 0) {
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311 if (barriers.get(0).getData() != null) {
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312 logger.debug(" Add " + num + " BARRIERS layers.");
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313 layers.addAll(barriers);
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314 }
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315 }
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316 }
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317
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318 return layers;
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319 }
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320
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321
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322 protected LayerInfo parseUeskLayer(File dir) {
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323 File uesk = new File(dir, WSPLGEN_RESULT_SHAPE);
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324
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325 if (!uesk.exists() || !uesk.isFile()) {
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326 return null;
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327 }
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328
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329 return new LayerInfo(
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330 dir.getName() + MS_WSPLGEN_POSTFIX,
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331 "POLYGON",
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332 dir.getName(),
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333 WSPLGEN_RESULT_SHAPE,
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334 "I18N_WSPLGEN_RESULT");
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335 }
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336
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337
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338 protected List<LayerInfo> parseBarriersLayers(File dir) {
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339 List<LayerInfo> barriers = new ArrayList<LayerInfo>(2);
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340
1134
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diff changeset
341 String group = dir.getName() + MS_BARRIERS_POSTFIX;
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342 String groupTitle = "I18N_BARRIERS_TITLE";
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diff changeset
343
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344 File lines = new File(dir, WSPLGEN_LINES_SHAPE);
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345 File polygons = new File(dir, WSPLGEN_POLYGONS_SHAPE);
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346
bcf70a452646 Read barrier layers from filesystem while mapfile creation and build a facet for this layer in the artifact.
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diff changeset
347 if (lines.exists() || lines.isFile()) {
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348 barriers.add(
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349 new LayerInfo(
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350 dir.getName() + MS_LINE_POSTFIX,
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351 "LINE",
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352 dir.getName(),
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353 WSPLGEN_LINES_SHAPE,
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354 "I18N_LINE_SHAPE",
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diff changeset
355 group,
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diff changeset
356 groupTitle));
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357 }
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358
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diff changeset
359 if (polygons.exists() || polygons.isFile()) {
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parents: 1129
diff changeset
360 barriers.add(
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diff changeset
361 new LayerInfo(
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362 dir.getName() + MS_POLYGONS_POSTFIX,
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363 "POLYGON",
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parents: 1129
diff changeset
364 dir.getName(),
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365 WSPLGEN_POLYGONS_SHAPE,
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366 "I18N_POLYGON_SHAPE",
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diff changeset
367 group,
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diff changeset
368 groupTitle));
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369 }
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370
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diff changeset
371 return barriers;
1129
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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372 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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373
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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374
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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375 /**
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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376 * Creates a mapfile with the layer information stored in <i>layers</i>.
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377 *
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378 * @param layers Layer information.
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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379 */
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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380 protected void writeMapfile(List<LayerInfo> layers) {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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381 String tmpMapName = "mapfile" + new Date().getTime();
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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382
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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383 File mapfile = new File(
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
384 FLYSUtils.getXPathString(FLYSUtils.XPATH_MAPFILE_PATH));
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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385
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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386 File tmp = null;
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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387 Writer writer = null;
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
388
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
389 try {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
390 tmp = new File(mapfile.getParent(), tmpMapName);
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
391 tmp.createNewFile();
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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392
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
393 writer = new FileWriter(tmp);
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parents:
diff changeset
394
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
395 VelocityContext context = new VelocityContext();
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
396 context.put("MAPSERVERURL",
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
397 FLYSUtils.getXPathString(FLYSUtils.XPATH_MAPSERVER_URL));
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
398 context.put("SHAPEFILEPATH",
1642
6c0b79efd2c9 Bugfix: #320 Substitue '../' in shapefile directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1134
diff changeset
399 getShapefileBaseDir().getCanonicalPath());
1710
055f32a5388a Improved the mapfile templates to create nicer GetLegendGraphic images.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1642
diff changeset
400 context.put("CONFIGDIR",
055f32a5388a Improved the mapfile templates to create nicer GetLegendGraphic images.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1642
diff changeset
401 Config.getConfigDirectory().getCanonicalPath());
1129
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
402 context.put("LAYERS", fillLayerTemplates(layers));
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
403
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
404 Template mapTemplate = getMapfileTemplate();
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
405 if (mapTemplate == null) {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
406 logger.warn("No mapfile template found.");
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
407 return;
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
408 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
409
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
410 mapTemplate.merge(context, writer);
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
411
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
412 // we need to create a temporary mapfile first und rename it into
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
413 // real mapfile because we don't run into race conditions on this
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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414 // way. (iw)
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parents:
diff changeset
415 tmp.renameTo(mapfile);
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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diff changeset
416 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
417 catch (FileNotFoundException fnfe) {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
418 logger.error(fnfe, fnfe);
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
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parents:
diff changeset
419 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
420 catch (IOException ioe) {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
421 logger.error(ioe, ioe);
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
422 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
423 catch (Exception e) {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
424 logger.error(e, e);
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
425 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
426 finally {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
427 try {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
428 if (writer != null) {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
429 writer.close();
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
430 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
431
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
432 if (tmp.exists()) {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
433 tmp.delete();
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
434 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
435 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
436 catch (IOException ioe) {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
437 logger.debug(ioe, ioe);
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
438 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
439 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
440 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
441
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
442
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
443 protected List<String> fillLayerTemplates(List<LayerInfo> layers) {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
444 List<String> evaluated = new ArrayList<String>(layers.size());
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
445
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
446 for (LayerInfo layer: layers) {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
447 StringWriter writer = new StringWriter();
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
448
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
449 VelocityContext context = new VelocityContext();
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
450 context.put("LAYER", layer);
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
451
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
452 Template t = getTemplateByName("layer.vm");
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
453 if (t == null) {
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
454 logger.warn("No 'layer.vm' template found.");
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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455 return evaluated;
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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456 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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457
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
458 t.merge(context, writer);
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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459
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
460 evaluated.add(writer.toString());
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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461 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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462
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
463 return evaluated;
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
464 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
465 }
da3c3e286c88 Introduced a MapfileGenerator that creates Mapserver specific mapfiles based on WSPLGEN results read from filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
466 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org