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annotate src/java/de/intevation/mxd/writer/MapScriptWriter.java @ 41:60ed2164035a

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Introduced MapScript writer.
author Raimund Renkert <rrenkert@intevation.de>
date Thu, 14 Apr 2011 11:31:29 +0200
parents
children 395307e8b7ee
rev   line source
41
60ed2164035a Introduced MapScript writer.
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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.Node;
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8 import org.w3c.dom.NodeList;
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9 import javax.xml.xpath.XPathConstants;
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10
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11 import edu.umn.gis.mapscript.mapObj;
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12 import edu.umn.gis.mapscript.layerObj;
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13 import edu.umn.gis.mapscript.MS_UNITS;
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14
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15 import de.intevation.mxd.utils.XMLUtils;
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16
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17 /**
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18 * The MXD file reader.
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19 *
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20 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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21 */
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22 public class MapScriptWriter
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23 implements IWriter
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24 {
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25 private Document root;
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26 private mapObj map;
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27
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28 private static final Logger logger = Logger.getLogger(MapScriptWriter.class);
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29
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30 public MapScriptWriter() {
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31 map = new mapObj("");
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32 }
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33
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34 public MapScriptWriter(String path) {
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35 map = new mapObj(path);
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36 }
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37
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38 public boolean write(Document doc) {
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39 logger.debug("write()");
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40 this.root = doc;
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41
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42 //Get the filename.
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43 Element fileNode = (Element)XMLUtils.xpath(
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44 root,
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45 "/mxd/file",
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46 XPathConstants.NODE);
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47 String filename = fileNode.getAttribute("name");
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48 if(filename.endsWith(".mxd")) {
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49 filename = filename.replace(".mxd", ".map");
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50 }
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51 //Write the map attributes.
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52 writeMap();
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53
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54 //Save the map.
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55 map.save(filename);
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56 return true;
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57 }
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58
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59 private void writeMap() {
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60 logger.debug("writeMap()");
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61 //Get the map.
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62 Element mapNode = (Element)XMLUtils.xpath(
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63 root,
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64 "/mxd/map",
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65 XPathConstants.NODE);
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66
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67 //Set the name.
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68 map.setName(mapNode.getAttribute("name"));
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69
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70 //Set the extent.
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71 map.setExtent(
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72 Double.parseDouble(mapNode.getAttribute("extent_min_x")),
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73 Double.parseDouble(mapNode.getAttribute("extent_min_y")),
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74 Double.parseDouble(mapNode.getAttribute("extent_max_x")),
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75 Double.parseDouble(mapNode.getAttribute("extent_max_y")));
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76
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77 //Set the units.
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78 String units = mapNode.getAttribute("units");
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79 MS_UNITS msu;
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80 if(units.equals("feet")) {
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81 msu = MS_UNITS.MS_FEET;
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82 }
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83 else if(units.equals("inches")) {
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84 msu = MS_UNITS.MS_INCHES;
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85 }
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86 else if(units.equals("kilometers")) {
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87 msu = MS_UNITS.MS_KILOMETERS;
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88 }
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89 else if(units.equals("meters")) {
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90 msu = MS_UNITS.MS_METERS;
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91 }
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92 else if(units.equals("miles")) {
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93 msu = MS_UNITS.MS_MILES;
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94 }
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95 else if(units.equals("nauticalmiles")) {
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96 msu = MS_UNITS.MS_NAUTICALMILES;
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97 }
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98 else if(units.equals("points")) {
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99 msu = MS_UNITS.MS_PIXELS;
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100 }
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101 else {
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102 msu = MS_UNITS.MS_DD;
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103 }
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104 map.setUnits(msu);
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105
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106 //TODO: Find out whats the correct scale value.
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107 //map.setScaledenom(Double.parseDouble(mapNode.getAttribute("scale")));
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108 }
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109
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110 private void writeLayer() {
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111
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112 }
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113
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114 private void writeClass() {
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115
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116 }
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117
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118 private void writeSymbol() {
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119
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120 }
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121
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122 }
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123
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