annotate src/java/de/intevation/mxd/reader/MXDReader.java @ 170:b9ee44070056

Manage projections and units.
author vc11884admin@VC11884.win.bsh.de
date Wed, 06 Jul 2011 15:17:05 +0200
parents 2bf35f0babd0
children 0bde090506f9
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 import com.esri.arcgis.carto.GroupLayer;
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17
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18 import org.w3c.dom.Document;
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19 import org.w3c.dom.Element;
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20
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21 import de.intevation.mxd.ArcGISInitializer;
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22 import de.intevation.mxd.utils.MapToXMLUtils;
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23
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24 /**
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25 * The MXD file reader.
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26 *
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27 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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28 */
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29 public class MXDReader
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30 implements IReader {
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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 = Logger.getLogger(MXDReader.class);
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36 /**
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37 * Private member.
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38 */
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39 private String filename = "";
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40 private ArcGISInitializer initializer = null;
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41 private MapToXMLUtils util;
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42 private IMap map;
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43 private int invalidLayerCount;
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44
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45 public MXDReader()
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46 throws IOException {
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47 logger.debug("constructor()");
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48 initializer = new ArcGISInitializer();
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49 util = new MapToXMLUtils();
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50 invalidLayerCount = 0;
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51 }
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54 /**
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55 * Initialize the ArcGIS Objects.
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56 */
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57 public boolean init()
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58 throws IOException {
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59 logger.debug("init()");
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60 if(!initializer.initArcGIS()) {
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61 return false;
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62 }
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63 if(!initializer.initArcGISLicenses()) {
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64 return false;
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65 }
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66 return true;
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67 }
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68
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69 /**
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70 * Shutdown the ArcGIS Objects.
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71 */
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72 public boolean shutdown()
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73 throws IOException {
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74 logger.debug("shutdown()");
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75 if(initializer == null) {
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76 throw new IOException("Faild to shutdown!");
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77 }
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78 else {
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79 initializer.shutdownArcGIS();
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80 return true;
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81 }
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82 }
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83
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84 /**
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85 * Set the path and filename to the MXD-File.
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86 */
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87 public void setFilename(String name) {
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88 logger.debug("setFilename()");
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89 filename = name;
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90 }
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91
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92
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93 private void openMapDocument()
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94 throws IOException {
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95 MapDocument m = new MapDocument();
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96 if(!m.isMapDocument(filename)) {
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97 throw new IOException(filename + " is not a map!");
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98 }
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99 m.open(filename, null);
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100 map = m.getMap(0);
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101 }
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102
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103 /**
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104 * Read the MXD file content.
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105 */
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106 public boolean read()
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107 throws Exception {
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108 logger.debug("read()");
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109 if(filename == "") {
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110 throw new IOException("Please set filename!");
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111 }
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112 else {
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113 util.addFilename(filename);
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114 openMapDocument();
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115 MapReader mreader;
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116 try {
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117 mreader = new MapReader (map);
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118 mreader.setUtil(util);
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119 mreader.read();
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120
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121 }
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122 catch(Exception e) {
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123 throw e;
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124 }
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125
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126 for(int i = 0; i < map.getLayerCount();i++) {
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127 ILayer layer = map.getLayer(i);
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128 try {
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129 if (layer instanceof FeatureLayer) {
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130 FeatureLayerReader lr = new FeatureLayerReader(layer);
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131 lr.setUtil(util);
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132 Element layerElement = lr.read();
133
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133 if (layerElement == null) {
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134 continue;
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135 }
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136 IFeatureRenderer renderer =
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137 ((FeatureLayer)layer).getRenderer();
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138 IRendererReader rreader;
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139 if(renderer instanceof SimpleRenderer) {
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140 rreader = new SimpleRendererReader(renderer);
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141 rreader.setParent(layerElement);
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142 rreader.setUtil(util);
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143 rreader.read();
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144 }
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145 else if(renderer instanceof ClassBreaksRenderer) {
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146 rreader = new ClassBreakRendererReader(renderer);
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147 rreader.setParent(layerElement);
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148 rreader.setUtil(util);
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149 rreader.read();
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150 }
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151 else if(renderer instanceof UniqueValueRenderer) {
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152 rreader = new UniqueValueRendererReader(renderer);
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153 rreader.setParent(layerElement);
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154 rreader.setUtil(util);
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155 rreader.read();
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156 }
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157 else{
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158 logger.debug("Not a known renderer type " +
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159 renderer.getClass().toString());
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160 }
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161 }
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162 else if(layer instanceof GdbRasterCatalogLayer) {
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163 GdbRasterCatalogLayerReader gclr =
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164 new GdbRasterCatalogLayerReader(layer);
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165 gclr.setUtil(util);
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166 Element layerElement = gclr.read();
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167 IFeatureRenderer renderer =
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168 ((GdbRasterCatalogLayer)layer).getRenderer();
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169 IRendererReader rreader;
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170 if(renderer instanceof SimpleRenderer) {
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171 rreader = new SimpleRendererReader(renderer);
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172 rreader.setParent(layerElement);
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173 rreader.setUtil(util);
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174 rreader.read();
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175 }
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176 else if(renderer instanceof ClassBreaksRenderer) {
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177 rreader = new ClassBreakRendererReader(renderer);
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178 rreader.setParent(layerElement);
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179 rreader.setUtil(util);
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180 rreader.read();
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181 }
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182 else if(renderer instanceof UniqueValueRenderer) {
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183 rreader = new UniqueValueRendererReader(renderer);
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184 rreader.setParent(layerElement);
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185 rreader.setUtil(util);
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186 rreader.read();
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187 }
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188 else {
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189 logger.debug("Not a known renderer type " +
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190 renderer.getClass().toString());
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191 }
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192 }
148
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193 else if(layer instanceof GroupLayer) {
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194 GroupLayerReader gl = new GroupLayerReader(layer);
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195 gl.setUtil(util);
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196 Element layerElement = gl.read();
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197 if(layerElement == null) {
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198 throw new IOException ("Error reading grouplayer.");
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199 }
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200 }
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201 else {
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202 logger.info(
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203 "Layertype not known: " +
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204 layer.getClass().toString());
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205 }
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206 }
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207 catch(Exception e) {
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208 invalidLayerCount++;
133
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209 if(i == 0 && (i + 1) == map.getLayerCount() ||
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210 invalidLayerCount == map.getLayerCount()) {
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211 throw new IOException(
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212 "No valid layer in MXD file." +
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213 " Aborting.");
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214 }
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215 }
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216 }
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217 }
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218 return true;
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219 }
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220
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221 /**
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222 * Get the root DOM document.
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223 */
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224 public Document getMapDocument() {
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225 logger.debug("getMapDocument()");
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226 return util.getDocument();
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227 }
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228 }
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229 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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