annotate src/java/de/intevation/mxd/reader/MXDReader.java @ 146:e4a8c39985d7

* mxd/Styles/label/*: Added two examples to show basic labeling within an MXD. More will not be supported though.
author Stephan Holl <stephan.holl@intevation.de>
date Wed, 29 Jun 2011 17:36:44 +0200
parents 6b80d2c7536e
children 2bf35f0babd0
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.ILayer;
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8 import com.esri.arcgis.carto.IMap;
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9 import com.esri.arcgis.carto.MapDocument;
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10 import com.esri.arcgis.carto.FeatureLayer;
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11 import com.esri.arcgis.carto.GdbRasterCatalogLayer;
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12 import com.esri.arcgis.carto.IFeatureRenderer;
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13 import com.esri.arcgis.carto.SimpleRenderer;
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14 import com.esri.arcgis.carto.ClassBreaksRenderer;
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15 import com.esri.arcgis.carto.UniqueValueRenderer;
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16
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17 import org.w3c.dom.Document;
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18 import org.w3c.dom.Element;
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19
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20 import de.intevation.mxd.ArcGISInitializer;
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21 import de.intevation.mxd.utils.MapToXMLUtils;
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22
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23 /**
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24 * The MXD file reader.
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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 MXDReader
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29 implements IReader {
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30 /**
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31 * The Logger.
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32 */
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33 private static final Logger logger = Logger.getLogger(MXDReader.class);
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34
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35 /**
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36 * Private member.
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37 */
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38 private String filename = "";
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39 private ArcGISInitializer initializer = null;
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40 private MapToXMLUtils util;
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41 private IMap map;
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42 private int invalidLayerCount;
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43
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44 public MXDReader()
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45 throws IOException {
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46 logger.debug("constructor()");
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47 initializer = new ArcGISInitializer();
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48 util = new MapToXMLUtils();
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49 invalidLayerCount = 0;
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50 }
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52
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53 /**
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54 * Initialize the ArcGIS Objects.
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55 */
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56 public boolean init()
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57 throws IOException {
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58 logger.debug("init()");
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59 if(!initializer.initArcGIS()) {
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60 return false;
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61 }
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62 if(!initializer.initArcGISLicenses()) {
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63 return false;
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64 }
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65 return true;
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66 }
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67
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68 /**
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69 * Shutdown the ArcGIS Objects.
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70 */
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71 public boolean shutdown()
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72 throws IOException {
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73 logger.debug("shutdown()");
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74 if(initializer == null) {
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75 throw new IOException("Faild to shutdown!");
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76 }
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77 else {
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78 initializer.shutdownArcGIS();
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79 return true;
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80 }
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81 }
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82
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83 /**
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84 * Set the path and filename to the MXD-File.
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85 */
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86 public void setFilename(String name) {
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87 logger.debug("setFilename()");
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88 filename = name;
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89 }
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90
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91
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92 private void openMapDocument()
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93 throws IOException {
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94 MapDocument m = new MapDocument();
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95 if(!m.isMapDocument(filename)) {
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96 throw new IOException(filename + " is not a map!");
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97 }
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98 m.open(filename, null);
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99 map = m.getMap(0);
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100 }
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101
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102 /**
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103 * Read the MXD file content.
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104 */
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105 public boolean read()
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106 throws Exception {
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107 logger.debug("read()");
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108 if(filename == "") {
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109 throw new IOException("Please set filename!");
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110 }
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111 else {
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112 util.addFilename(filename);
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113 openMapDocument();
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114 MapReader mreader;
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115 try {
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116 mreader = new MapReader (map);
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117 mreader.setUtil(util);
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118 mreader.read();
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119
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120 }
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121 catch(Exception e) {
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122 throw e;
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123 }
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124
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125 for(int i = 0; i < map.getLayerCount();i++) {
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126 ILayer layer = map.getLayer(i);
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127 try {
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128 if (layer instanceof FeatureLayer) {
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129 FeatureLayerReader lr = new FeatureLayerReader(layer);
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130 lr.setUtil(util);
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131 Element layerElement = lr.read();
133
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132 if (layerElement == null) {
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133 continue;
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134 }
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135 IFeatureRenderer renderer =
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136 ((FeatureLayer)layer).getRenderer();
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137 IRendererReader rreader;
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138 if(renderer instanceof SimpleRenderer) {
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139 rreader = new SimpleRendererReader(renderer);
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140 rreader.setParent(layerElement);
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141 rreader.setUtil(util);
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142 rreader.read();
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143 }
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144 else if(renderer instanceof ClassBreaksRenderer) {
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145 rreader = new ClassBreakRendererReader(renderer);
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146 rreader.setParent(layerElement);
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147 rreader.setUtil(util);
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148 rreader.read();
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149 }
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150 else if(renderer instanceof UniqueValueRenderer) {
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151 rreader = new UniqueValueRendererReader(renderer);
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152 rreader.setParent(layerElement);
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153 rreader.setUtil(util);
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154 rreader.read();
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155 }
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156 else{
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157 logger.debug("Not a known renderer type " +
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158 renderer.getClass().toString());
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159 }
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160 }
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161 else if(layer instanceof GdbRasterCatalogLayer) {
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162 GdbRasterCatalogLayerReader gclr =
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163 new GdbRasterCatalogLayerReader(layer);
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164 gclr.setUtil(util);
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165 Element layerElement = gclr.read();
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166 IFeatureRenderer renderer =
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167 ((GdbRasterCatalogLayer)layer).getRenderer();
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168 IRendererReader rreader;
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169 if(renderer instanceof SimpleRenderer) {
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170 rreader = new SimpleRendererReader(renderer);
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171 rreader.setParent(layerElement);
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172 rreader.setUtil(util);
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173 rreader.read();
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174 }
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175 else if(renderer instanceof ClassBreaksRenderer) {
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176 rreader = new ClassBreakRendererReader(renderer);
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177 rreader.setParent(layerElement);
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178 rreader.setUtil(util);
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179 rreader.read();
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180 }
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181 else if(renderer instanceof UniqueValueRenderer) {
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182 rreader = new UniqueValueRendererReader(renderer);
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183 rreader.setParent(layerElement);
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184 rreader.setUtil(util);
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185 rreader.read();
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186 }
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187 else {
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188 logger.debug("Not a known renderer type " +
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189 renderer.getClass().toString());
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190 }
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191 }
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192 }
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193 catch(Exception e) {
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194 invalidLayerCount++;
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195 if(i == 0 && (i + 1) == map.getLayerCount() ||
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196 invalidLayerCount == map.getLayerCount()) {
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197 throw new IOException(
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198 "No valid layer in MXD file." +
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199 " Aborting.");
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200 }
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201 }
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202 }
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203 }
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204 return true;
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205 }
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206
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207 /**
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208 * Get the root DOM document.
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209 */
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210 public Document getMapDocument() {
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211 logger.debug("getMapDocument()");
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212 return util.getDocument();
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213 }
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214 }
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215 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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