Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/UniqueValueRendererReader.java @ 73:acbe36fb45e0

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Use the wrapper in the renderer reader to read symbols.
author Raimund Renkert <rrenkert@intevation.de>
date Thu, 26 May 2011 17:29:09 +0200
parents 6d181c02efce
children 7eba97e8201b
rev   line source
33
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1 package de.intevation.mxd.reader;
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2
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3 import java.io.IOException;
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4
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5 import org.apache.log4j.Logger;
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6
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7 import com.esri.arcgis.carto.IFeatureRenderer;
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8 import com.esri.arcgis.display.ISymbol;
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9 import com.esri.arcgis.carto.UniqueValueRenderer;
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10
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11 import org.w3c.dom.Element;
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12
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13 import de.intevation.mxd.utils.MapToXMLUtils;
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14
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15 /**
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16 * Reads unique vaule renderer information.
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17 *
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18 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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19 */
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20 public class UniqueValueRendererReader
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21 implements IRendererReader {
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23 /**
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24 * The logger.
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25 */
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26 private static final Logger logger =
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27 Logger.getLogger(FeatureLayerReader.class);
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29 /**
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30 * Private Member.
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31 */
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32 private UniqueValueRenderer renderer;
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33 private Element layer;
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34 private MapToXMLUtils util;
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36
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37 public UniqueValueRendererReader(IFeatureRenderer renderer)
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38 throws Exception {
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39 logger.debug("constructor()");
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40 if (renderer instanceof UniqueValueRenderer) {
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41 this.renderer = (UniqueValueRenderer)renderer;
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42 }
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43 else {
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44 throw new Exception ("Not an instance of UniqueValueRenderer.");
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45 }
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46 }
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48 /**
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49 * Setter for the parent XML element.
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50 *
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51 * @param parent The XML parent node.
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52 */
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53 public void setParent(Element parent) {
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54 this.layer = parent;
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55 }
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56
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57 /**
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58 * Setter for XML document helper.
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59 *
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60 * @param util The helper class for storing map information.
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61 */
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62 public void setUtil(MapToXMLUtils util) {
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63 this.util = util;
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64 }
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65
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66 /**
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67 * Reads the renderer attributes.
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68 *
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69 * @return The parent XML node.
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70 */
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71 public Element read()
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72 throws IOException {
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73 logger.debug("read()");
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74 for(int i = 0; i < renderer.getClassCount() - 1; i++) {
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75 Element rendererElement;
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76 try {
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77 rendererElement = util.addRenderer(layer);
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78
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79 String value = renderer.getValue(i);
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80 rendererElement.setAttribute("name", renderer.esri_getClass(i));
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81 rendererElement.setAttribute("description",
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82 renderer.getDescription(value));
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83 rendererElement.setAttribute("value", value);
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84 rendererElement.setAttribute("label", renderer.getLabel(value));
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85 rendererElement.setAttribute(
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86 "field_count",
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87 String.valueOf(renderer.getFieldCount()));
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88 for(int j = 0; j < renderer.getFieldCount(); j++) {
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89 rendererElement.setAttribute(
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90 "expression_field_" + j,
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91 renderer.getField(j));
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92 }
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93 rendererElement.setAttribute("expression_operator", "=");
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94
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95 ISymbol sym = renderer.getSymbol(value);
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96 MarkerSymbolReader markerReader = new MarkerSymbolReader();
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97 LineSymbolReader lineReader = new LineSymbolReader();
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98 FillSymbolReader fillReader = new FillSymbolReader();
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99 if(markerReader.canRead(sym)) {
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100 markerReader.setSymbol(sym);
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101 markerReader.setUtil(util);
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102 markerReader.setParent(rendererElement);
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103 markerReader.read();
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104 }
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105 else if(lineReader.canRead(sym)) {
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106 lineReader.setSymbol(sym);
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107 lineReader.setUtil(util);
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108 lineReader.setParent(rendererElement);
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109 lineReader.read();
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110 }
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111 else if(fillReader.canRead(sym)) {
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112 fillReader.setSymbol(sym);
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113 fillReader.setUtil(util);
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114 fillReader.setParent(rendererElement);
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115 fillReader.read();
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116 }
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117 else {
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118 logger.debug("Not a known symbol type: " +
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119 sym.getClass().toString());
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120 }
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121 }
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122 catch(Exception e) {
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123 e.printStackTrace();
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124 return null;
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125 }
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126 }
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127 return layer;
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128 }
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129 }
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130 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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