Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/UniqueValueRendererReader.java @ 216:d0acdab62b03

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imported patch arcpy-erweiterung
author Stephan Holl <stephan.holl@intevation.de>
date Mon, 25 Jul 2011 10:51:39 +0200
parents 415101ff1ac2
children df4e0946ef02
rev   line source
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diff changeset
1 package de.intevation.mxd.reader;
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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 com.esri.arcgis.carto.IFeatureRenderer;
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6 import com.esri.arcgis.display.ISymbol;
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7 import com.esri.arcgis.carto.UniqueValueRenderer;
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8
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9 import org.w3c.dom.Element;
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10 import java.io.IOException;
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11
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12 import de.intevation.mxd.utils.MapToXMLUtils;
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13
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14 /**
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15 * Reads unique vaule renderer information.
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16 *
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17 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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18 */
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19 public class UniqueValueRendererReader
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20 implements IRendererReader {
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21
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22 /**
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23 * The logger.
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24 */
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25 private static final Logger logger =
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26 Logger.getLogger(FeatureLayerReader.class);
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27
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28 /**
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29 * Private Member.
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30 */
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31 private UniqueValueRenderer renderer;
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32 private Element layer;
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33 private MapToXMLUtils util;
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34
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35 /**
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36 * Constructor with renderer.
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37 *
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38 * @param renderer ArcGIS renderer.
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39 */
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40 public UniqueValueRendererReader(IFeatureRenderer renderer)
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41 throws Exception {
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42 logger.debug("constructor()");
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43 if (renderer instanceof UniqueValueRenderer) {
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44 this.renderer = (UniqueValueRenderer)renderer;
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45 }
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46 else {
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47 throw new Exception ("Not an instance of UniqueValueRenderer.");
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48 }
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49 }
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50
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51 /**
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52 * Setter for the parent XML element.
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53 *
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54 * @param parent The XML parent node.
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55 */
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56 public void setParent(Element parent) {
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57 this.layer = parent;
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58 }
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59
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60 /**
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61 * Setter for XML document helper.
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62 *
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63 * @param util The helper class for storing map information.
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64 */
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65 public void setUtil(MapToXMLUtils util) {
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66 this.util = util;
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67 }
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68
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69 /**
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70 * Reads the renderer attributes.
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71 *
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72 * @return The parent XML node.
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73 */
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74 public Element read() {
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75 logger.debug("read()");
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76 int count = 0;
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77 try {
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78 count = renderer.getClassCount();
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79 if(renderer.isUseDefaultSymbol()) {
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80 count--;
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81 }
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82 }
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83 catch(IOException ioe) {
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84 logger.error(
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85 "Could not read class count."+
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86 " Stopped reading renderer.");
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87 return layer;
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88 }
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89 for(int i = 0; i < count; i++) {
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90 Element rendererElement = util.addRenderer(layer);
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91
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92 try {
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93 String value = renderer.getValue(i);
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94 value = value.replaceAll(", ", ",");
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95 if(value.indexOf(",") > 0) {
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96 int j = 0;
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97 while(value.indexOf(",") > 0) {
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98 String v = value.substring(0, value.indexOf(","));
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99 rendererElement.setAttribute("value_" + j, v);
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100 value = value.substring(
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101 value.indexOf(",") + 1,
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102 value.length());
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103 j++;
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104 }
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105 rendererElement.setAttribute("value_" + j, value);
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106 }
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107 else {
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108 rendererElement.setAttribute("value", value);
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109 }
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110
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111 value = renderer.getValue(i);
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112 rendererElement.setAttribute("name", renderer.esri_getClass(i));
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113 rendererElement.setAttribute("description",
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114 renderer.getDescription(value));
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115
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116 rendererElement.setAttribute("label", renderer.getLabel(value));
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117 rendererElement.setAttribute(
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118 "field_count",
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119 String.valueOf(renderer.getFieldCount()));
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120 for(int j = 0; j < renderer.getFieldCount(); j++) {
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121 rendererElement.setAttribute(
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122 "expression_field_" + j,
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123 renderer.getField(j));
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124 }
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125 rendererElement.setAttribute("expression_operator", "=");
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126
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127 ISymbol sym = renderer.getSymbol(value);
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128 MarkerSymbolReader markerReader = new MarkerSymbolReader();
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129 LineSymbolReader lineReader = new LineSymbolReader();
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130 FillSymbolReader fillReader = new FillSymbolReader();
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131 if(markerReader.canRead(sym)) {
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132 markerReader.setSymbol(sym);
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133 markerReader.setUtil(util);
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134 markerReader.setParent(rendererElement);
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135 markerReader.read();
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136 }
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137 else if(lineReader.canRead(sym)) {
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138 lineReader.setSymbol(sym);
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139 lineReader.setUtil(util);
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140 lineReader.setParent(rendererElement);
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141 lineReader.read();
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142 }
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143 else if(fillReader.canRead(sym)) {
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144 fillReader.setSymbol(sym);
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145 fillReader.setUtil(util);
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146 fillReader.setParent(rendererElement);
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147 fillReader.read();
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148 }
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149 else {
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150 logger.debug("Not a known symbol type: " +
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151 sym.getClass().toString());
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152 }
74
7eba97e8201b Catch all exceptions in the MXDReader.
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153 }
116
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154 catch(Exception e) {
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155 logger.error(
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156 "Could not read unique value data." +
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157 e.toString());
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158 return layer;
31
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159 }
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160 }
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161 return layer;
25
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162 }
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163 }
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164 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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