annotate src/java/de/intevation/mxd/reader/ClassBreakRendererReader.java @ 31:40c0b4e5f91a

Added utility class to store map attributes.
author Raimund Renkert <rrenkert@intevation.de>
date Mon, 11 Apr 2011 16:04:03 +0200
parents 3e24fffdf2bb
children c51376f8e24c
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.IFeatureRenderer;
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8 import com.esri.arcgis.carto.ClassBreaksRenderer;
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9
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10 import org.w3c.dom.Node;
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11 import org.w3c.dom.Element;
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12 import org.w3c.dom.Document;
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13 import org.w3c.dom.Attr;
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14
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15 /**
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16 * Reads the ClassBreaksRender Object Attributes.
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17 *
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18 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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19 */
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20 public class ClassBreakRendererReader
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21 implements IRendererReader {
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23 /**
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24 * The logger.
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25 */
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26 private static final Logger logger =
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27 Logger.getLogger(ClassBreakRendererReader.class);
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29 /**
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30 * Private member.
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31 */
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32 private ClassBreaksRenderer renderer;
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33 private Element layer;
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34 private MapToXMLUtils util;
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36
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37 public ClassBreakRendererReader(IFeatureRenderer renderer)
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38 throws Exception {
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39 logger.debug("contructor()");
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40 if(renderer instanceof ClassBreaksRenderer)
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41 this.renderer = (ClassBreaksRenderer)renderer;
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42 else
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43 throw new Exception("Not a ClassBreaksRenderer!");
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44 }
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45
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46 /**
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47 * Setter for the parent XML element.
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48 *
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49 * @param parent The XML parent node.
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50 */
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51 public void setParent(Element parent) {
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52 this.layer = parent;
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53 }
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54
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55 /**
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56 * Setter for XML document helper.
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57 *
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58 * @param util The helper class for storing map information.
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59 */
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60 public void setUtil(MapToXMLUtils util) {
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61 this.util = util;
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62 }
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63
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64 /**
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65 * Reads the Renderer attributes.
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66 *
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67 * @return The XML node.
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68 */
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69 public Element read()
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70 throws IOException {
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71 logger.debug("read()");
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72 Element rendererElement;
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73 try {
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74 rendererElement = util.addRenderer(layer);
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75 }
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76 catch(Exception e) {
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77 e.printStackTrace();
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78 return null;
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79 }
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80
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81 rendererElement.setAttribute("class_count",
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82 String.valueOf(renderer.getClassCount()));
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83 for(int i = 0; i < renderer.getClassCount(); i++){
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84 rendererElement.setAttribute("class_" + i,
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85 renderer.esri_getClass(i));
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86 }
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87
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88 rendererElement.setAttribute("break_count",
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89 String.valueOf(renderer.getBreakCount()));
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90 for(int i = 0; i < renderer.getBreakCount(); i++){
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91 rendererElement.setAttribute("break_" + i,
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92 String.valueOf(renderer.getBreak(i)));
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93 }
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94
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95 rendererElement.setAttribute("color_ramp", renderer.getColorRamp());
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96 return rendererElement;
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97 }
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98 }
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99 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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