Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/ClassBreakRendererReader.java @ 49:0fecdcc28b1b

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Created one method for each symbol type in the writer.
author Raimund Renkert <rrenkert@intevation.de>
date Wed, 20 Apr 2011 11:56:35 +0200
parents 90d4de478f15
children b41fcf268827
rev   line source
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1 package de.intevation.mxd.reader;
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2
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3 import java.io.IOException;
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4
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5 import org.apache.log4j.Logger;
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6
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7 import com.esri.arcgis.carto.IFeatureRenderer;
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8 import com.esri.arcgis.carto.ClassBreaksRenderer;
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9 import com.esri.arcgis.display.ISymbol;
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10 import com.esri.arcgis.display.SimpleMarkerSymbol;
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11 import com.esri.arcgis.display.SimpleFillSymbol;
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12
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13 import org.w3c.dom.Element;
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14
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15 import de.intevation.mxd.utils.MapToXMLUtils;
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16
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17 /**
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18 * Reads the ClassBreaksRender Object Attributes.
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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 ClassBreakRendererReader
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23 implements IRendererReader {
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25 /**
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26 * The logger.
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27 */
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28 private static final Logger logger =
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29 Logger.getLogger(ClassBreakRendererReader.class);
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30
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31 /**
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32 * Private member.
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33 */
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34 private ClassBreaksRenderer renderer;
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35 private Element layer;
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36 private MapToXMLUtils util;
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38
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39 public ClassBreakRendererReader(IFeatureRenderer renderer)
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40 throws Exception {
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41 logger.debug("contructor()");
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42 if(renderer instanceof ClassBreaksRenderer)
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43 this.renderer = (ClassBreaksRenderer)renderer;
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44 else
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45 throw new Exception("Not a ClassBreaksRenderer!");
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46 }
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47
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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 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
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75 for(int i = 0; i < renderer.getBreakCount(); i++){
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76 Element rendererElement;
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77 try {
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78 rendererElement = util.addRenderer(layer);
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79 rendererElement.setAttribute("value",
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80 String.valueOf(renderer.getBreak(i)));
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81 rendererElement.setAttribute(
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82 "field_count",
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83 String.valueOf(renderer.getFieldCount()));
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84 for(int j = 0; j < renderer.getFieldCount(); j++) {
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85 rendererElement.setAttribute(
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86 "expression_field_" + j,
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87 renderer.getField(j));
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88
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89 }
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90 rendererElement.setAttribute(
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91 "min_value",
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92 String.valueOf(renderer.getMinimumBreak()));
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93 rendererElement.setAttribute("expression_operator", "<=");
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94 ISymbol sym = renderer.getSymbol(i);
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95 ISymbolReader symReader;
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96 if(sym instanceof SimpleFillSymbol) {
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97 symReader = new SimpleFillSymbolReader(renderer.getSymbol(i));
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98 symReader.setUtil(util);
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99 symReader.setParent(rendererElement);
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100 symReader.read();
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101 }
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102 else if(sym instanceof SimpleMarkerSymbol) {
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103 symReader = new SimpleMarkerSymbolReader(renderer.getSymbol(i));
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104 symReader.setUtil(util);
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105 symReader.setParent(rendererElement);
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106 symReader.read();
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107 }
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108 else {
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109 System.out.println("No known class type: " + sym.getClass().toString());
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110 }
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111 }
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112 catch(Exception e) {
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113 e.printStackTrace();
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114 return null;
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115 }
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116 }
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117 return layer;
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118 }
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119 }
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120 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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