annotate src/java/de/intevation/mxd/reader/GdbRasterCatalogLayerReader.java @ 42:395307e8b7ee

First MapScript Writer that generates valid mapfiles.
author Raimund Renkert <rrenkert@intevation.de>
date Fri, 15 Apr 2011 14:14:49 +0200
parents 472aa36d0e01
children ef7ca23c4233
rev   line source
36
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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.GdbRasterCatalogLayer;
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9
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10 import org.w3c.dom.Element;
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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 Layer 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 GdbRasterCatalogLayerReader implements ILayerReader{
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20
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21 /**
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22 * The logger.
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23 */
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24 private static final Logger logger =
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25 Logger.getLogger(GdbRasterCatalogLayerReader.class);
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26
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27 /**
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28 * Privte member.
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29 */
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30 private GdbRasterCatalogLayer layer;
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31 private MapToXMLUtils util;
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32
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33
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34 public GdbRasterCatalogLayerReader(ILayer layer)
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35 throws Exception {
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36 if(layer instanceof GdbRasterCatalogLayer)
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37 this.layer = (GdbRasterCatalogLayer)layer;
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38 else
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39 throw new Exception("Not an instance of GdbRastaCatalogLayer: " +
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40 layer.getClass().toString());
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41 }
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42
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43 /**
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44 * Setter for XML document helper.
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45 *
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46 * @param util The helper for storing map information.
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47 */
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48 public void setUtil(MapToXMLUtils util){
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49 this.util = util;
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50 }
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51
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52 /**
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53 * Reads the Layer content.
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54 *
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55 * @return The layer XML element.
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56 */
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57 public Element read()
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58 throws IOException {
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59 logger.debug("read()");
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60 Element layerElement;
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61 try {
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62 layerElement = util.addLayer();
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63 }
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64 catch(Exception e) {
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65 e.printStackTrace();
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66 return null;
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67 }
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68
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69 layerElement.setAttribute("name", layer.getName());
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70 layerElement.setAttribute("min_scale",
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71 String.valueOf(layer.getMinimumScale()));
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72 layerElement.setAttribute("max_scale",
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73 String.valueOf(layer.getMaximumScale()));
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74 if(layer.isVisible()) {
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75 layerElement.setAttribute("status", "on");
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76 }
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77 else {
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78 layerElement.setAttribute("status", "off");
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79 }
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80
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81 layerElement.setAttribute("definition_query",
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82 layer.getDefinitionExpression());
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83
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84 return layerElement;
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85 }
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86 }
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87 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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