Mercurial > mxd2map

annotate src/java/de/intevation/mxd/reader/FeatureLayerReader.java @ 29:77cfa8092611

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Write FeatureLayer attributes to XML document.
author Raimund Renkert <rrenkert@intevation.de>
date Fri, 08 Apr 2011 17:36:22 +0200
parents 3e24fffdf2bb
children 40c0b4e5f91a
rev   line source
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3e24fffdf2bb Moved reader components to reader folder.
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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.geometry.ISpatialReference;
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10 import com.esri.arcgis.geometry.ProjectedCoordinateSystem;
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11 import com.esri.arcgis.geometry.IProjection;
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12 import com.esri.arcgis.geometry.Projection;
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13 import com.esri.arcgis.display.ISymbol;
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14 import com.esri.arcgis.display.SimpleMarkerSymbol;
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15
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16 import org.w3c.dom.Attr;
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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 import org.w3c.dom.Node;
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20 import org.w3c.dom.NodeList;
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21
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22 /**
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23 * Reads Layer information..
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24 *
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25 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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26 */
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27 public class FeatureLayerReader implements ILayerReader{
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28
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29 private static final Logger logger = Logger.getLogger(FeatureLayerReader.class);
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30
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31 private FeatureLayer layer;
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32 private Document document;
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34 //Constructor
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35 public FeatureLayerReader(ILayer layer) throws Exception{
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36 if(layer instanceof FeatureLayer)
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37 this.layer = (FeatureLayer)layer;
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38 else
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39 throw new Exception("Not an instance of FeatureLayer: " +
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40 layer.getClass().toString());
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41 }
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42
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43 //Methods
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44 /**
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45 * Setter for XML document.
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46 */
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47 public void setDocument(Document doc){
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48 this.document = doc;
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49 }
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50
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51 /**
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52 * Reads the Layer content.
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53 */
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54 public boolean read() throws IOException{
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55 logger.debug("read()");
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56 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(document,
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57 "", "");
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58
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59 Element layerElement = creator.create("layer");
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60 creator.addAttr(layerElement, "name", layer.getName());
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61 creator.addAttr(layerElement,
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62 "min_scale",
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63 String.valueOf(layer.getMinimumScale()));
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64 creator.addAttr(layerElement,
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65 "max_scale",
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66 String.valueOf(layer.getMaximumScale()));
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67 if(layer.isVisible())
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68 creator.addAttr(layerElement, "status", "on");
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69 else
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70 creator.addAttr(layerElement, "status", "off");
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71 creator.addAttr(layerElement,
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72 "definition_query",
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73 layer.getDefinitionExpression());
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74 NodeList list = document.getElementsByTagName("map");
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75 if(list.getLength() > 1){
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76 throw new IOException("Error while creating DOM! Found" +
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77 " more than one map object!");
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78 }
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79 else{
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80 Node map = list.item(0);
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81 map.appendChild(layerElement);
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82 }
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83 return true;
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84 }
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85
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86 public void getLayer() throws IOException{
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87 logger.debug("getLayer() -> not implemented jet.");
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88 return;
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89 }
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90 }
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91 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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