Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/process/ManualPointsProcessor.java @ 8202:e4606eae8ea5

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sed src/**/*.java 's/logger/log/g'
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 05 Sep 2014 12:58:17 +0200
parents c64c04d0796e
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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