Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/process/ManualPointsProcessor.java @ 8472:3f505fba522f

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(issue1772) Use 0.001km tolarance instead of 0.1 to find matching km. There is no sense to use a define here. I will not write static final double NULLPOINTNULLNULLONE=0.001 if i just want to use that value and not any other value which may make sense in some other place. Using hardcoded values can have its merits and makes the code easier to read.
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 18 Nov 2014 15:24:40 +0100
parents e4606eae8ea5
children 5e38e2924c07
rev   line source
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1 /* Copyright (C) 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9
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10 package org.dive4elements.river.exports.process;
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11
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12 import org.apache.log4j.Logger;
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13
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14 import java.util.List;
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15 import java.util.ArrayList;
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16
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17 import org.json.JSONArray;
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18 import org.json.JSONException;
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19
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20 import org.jfree.data.xy.XYSeries;
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21 import org.jfree.chart.annotations.XYTextAnnotation;
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22
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23 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
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24 import org.dive4elements.artifacts.CallContext;
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25 import org.dive4elements.river.artifacts.model.FacetTypes;
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26 import org.dive4elements.river.exports.DiagramGenerator;
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27 import org.dive4elements.river.jfree.RiverAnnotation;
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28 import org.dive4elements.river.jfree.CollisionFreeXYTextAnnotation;
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29 import org.dive4elements.river.jfree.StyledXYSeries;
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30 import org.dive4elements.river.themes.ThemeDocument;
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31
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32 public class ManualPointsProcessor extends DefaultProcessor {
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33
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34 private static final Logger log = Logger.getLogger(ManualPointsProcessor.class);
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35
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36 @Override
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37 public void doOut(
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38 DiagramGenerator generator,
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39 ArtifactAndFacet bundle,
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40 ThemeDocument theme,
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41 boolean visible) {
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42 CallContext context = generator.getCallContext();
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43 String seriesName = bundle.getFacetDescription();
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44 XYSeries series = new StyledXYSeries(seriesName, theme);
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45 String jsonData = (String) bundle.getData(context);
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46
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47 // Add text annotations for single points.
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48 List<XYTextAnnotation> xy = new ArrayList<XYTextAnnotation>();
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49
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50 try {
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51 JSONArray points = new JSONArray(jsonData);
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52 for (int i = 0, P = points.length(); i < P; i++) {
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53 JSONArray array = points.getJSONArray(i);
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54 double x = array.getDouble(0);
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55 double y = array.getDouble(1);
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56 String name = array.getString(2);
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57 boolean act = array.getBoolean(3);
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58 if (!act) {
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59 continue;
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60 }
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61 //log.debug(" x " + x + " y " + y );
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62 series.add(x, y, false);
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63 xy.add(new CollisionFreeXYTextAnnotation(name, x, y));
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64 }
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65 }
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66 catch(JSONException e){
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67 log.error("Could not decode json.");
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68 }
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69
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70 RiverAnnotation annotation = new RiverAnnotation(null, null, null, theme);
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71 annotation.setTextAnnotations(xy);
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72
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73 if (visible) {
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74 generator.addAnnotations(annotation);
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75 }
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76
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77 generator.addAxisSeries(series, axisName, visible);
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78 }
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79
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80 @Override
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81 public boolean canHandle(String facetType) {
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82 if (facetType == null) {
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83 return false;
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84 }
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85 return FacetTypes.IS.MANUALPOINTS(facetType);
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86 }
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87 }
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