Mercurial > mxd2map
annotate src/java/de/intevation/mxd/reader/GroupLayerReader.java @ 170:b9ee44070056
Manage projections and units.
author | vc11884admin@VC11884.win.bsh.de |
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date | Wed, 06 Jul 2011 15:17:05 +0200 |
parents | 2bf35f0babd0 |
children | f4eb506499f5 |
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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.ILayer; |
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8 import com.esri.arcgis.carto.FeatureLayer; |
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9 import com.esri.arcgis.carto.GdbRasterCatalogLayer; |
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10 import com.esri.arcgis.carto.IFeatureRenderer; |
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11 import com.esri.arcgis.carto.SimpleRenderer; |
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12 import com.esri.arcgis.carto.ClassBreaksRenderer; |
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13 import com.esri.arcgis.carto.UniqueValueRenderer; |
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14 import com.esri.arcgis.carto.GroupLayer; |
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15 |
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16 import org.w3c.dom.Document; |
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17 import org.w3c.dom.Element; |
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18 |
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19 import de.intevation.mxd.ArcGISInitializer; |
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20 import de.intevation.mxd.utils.MapToXMLUtils; |
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21 |
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22 |
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23 /** |
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24 * Reads Layer information. |
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25 * |
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26 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> |
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27 */ |
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28 public class GroupLayerReader |
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29 implements ILayerReader { |
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30 |
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31 /** |
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32 * The logger. |
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33 */ |
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34 private static final Logger logger = |
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35 Logger.getLogger(FeatureLayerReader.class); |
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36 |
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37 /** |
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38 * Privte member. |
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39 */ |
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40 private GroupLayer layer; |
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41 private MapToXMLUtils util; |
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42 private int invalidLayerCount; |
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43 |
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44 public GroupLayerReader(ILayer layer) |
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45 throws Exception { |
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46 if(layer instanceof GroupLayer) { |
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47 this.layer = (GroupLayer)layer; |
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48 invalidLayerCount = 0; |
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49 } |
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50 else { |
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51 throw new Exception("Not an instance of GroupLayer: " + |
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52 layer.getClass().toString()); |
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53 } |
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54 } |
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55 |
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56 /** |
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57 * Setter for XML document helper. |
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58 * |
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59 * @param util The helper for storing map information. |
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60 */ |
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61 public void setUtil(MapToXMLUtils util) { |
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62 this.util = util; |
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63 } |
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64 |
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65 /** |
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66 * Reads the Layer content. |
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67 * |
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68 * @return The layer XML element. |
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69 */ |
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70 public Element read() |
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71 throws IOException{ |
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72 logger.debug("read()"); |
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73 Element layerElement = null; |
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74 for(int i = 0; i < layer.getCount();i++) { |
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75 ILayer lay = layer.getLayer(i); |
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76 try { |
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77 if (lay instanceof FeatureLayer) { |
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78 FeatureLayerReader lr = new FeatureLayerReader(lay); |
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79 lr.setUtil(util); |
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80 layerElement = lr.read(); |
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81 if (layerElement == null) { |
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82 continue; |
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83 } |
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84 layerElement.setAttribute("group", layer.getName()); |
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85 IFeatureRenderer renderer = |
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86 ((FeatureLayer)lay).getRenderer(); |
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87 IRendererReader rreader; |
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88 if(renderer instanceof SimpleRenderer) { |
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89 rreader = new SimpleRendererReader(renderer); |
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90 rreader.setParent(layerElement); |
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91 rreader.setUtil(util); |
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92 rreader.read(); |
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93 } |
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94 else if(renderer instanceof ClassBreaksRenderer) { |
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95 rreader = new ClassBreakRendererReader(renderer); |
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96 rreader.setParent(layerElement); |
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97 rreader.setUtil(util); |
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98 rreader.read(); |
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99 } |
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100 else if(renderer instanceof UniqueValueRenderer) { |
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101 rreader = new UniqueValueRendererReader(renderer); |
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102 rreader.setParent(layerElement); |
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103 rreader.setUtil(util); |
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104 rreader.read(); |
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105 } |
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106 else{ |
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107 logger.debug("Not a known renderer type " + |
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108 renderer.getClass().toString()); |
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109 } |
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110 } |
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111 else if(lay instanceof GdbRasterCatalogLayer) { |
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112 GdbRasterCatalogLayerReader gclr = |
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113 new GdbRasterCatalogLayerReader(lay); |
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114 gclr.setUtil(util); |
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115 layerElement = gclr.read(); |
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116 layerElement.setAttribute("group", layer.getName()); |
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117 IFeatureRenderer renderer = |
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118 ((GdbRasterCatalogLayer)lay).getRenderer(); |
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119 IRendererReader rreader; |
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120 if(renderer instanceof SimpleRenderer) { |
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121 rreader = new SimpleRendererReader(renderer); |
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122 rreader.setParent(layerElement); |
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123 rreader.setUtil(util); |
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124 rreader.read(); |
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125 } |
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126 else if(renderer instanceof ClassBreaksRenderer) { |
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127 rreader = new ClassBreakRendererReader(renderer); |
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128 rreader.setParent(layerElement); |
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129 rreader.setUtil(util); |
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130 rreader.read(); |
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131 } |
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132 else if(renderer instanceof UniqueValueRenderer) { |
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133 rreader = new UniqueValueRendererReader(renderer); |
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134 rreader.setParent(layerElement); |
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135 rreader.setUtil(util); |
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136 rreader.read(); |
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137 } |
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138 else { |
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139 logger.debug("Not a known renderer type " + |
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140 renderer.getClass().toString()); |
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141 } |
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142 } |
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143 } |
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144 catch(Exception e) { |
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145 invalidLayerCount++; |
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146 if(i == 0 && (i + 1) == layer.getCount() || |
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147 invalidLayerCount == layer.getCount()) { |
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148 throw new IOException( |
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149 "No valid layer in MXD file." + |
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150 " Aborting."); |
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151 } |
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152 } |
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153 } |
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154 return layerElement; |
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155 } |
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156 } |
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157 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |