Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/exports/process/ManualPointsProcessor.java @ 7097:c64c04d0796e generator-refactoring
Move manual point handling into a Processor
| author | Andre Heinecke <aheinecke@intevation.de> |
|---|---|
| date | Mon, 23 Sep 2013 12:21:08 +0200 |
| parents | |
| children | e4606eae8ea5 |
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| 7096:5c059c05b100 | 7097:c64c04d0796e |
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| 1 /* Copyright (C) 2013 by Bundesanstalt für Gewässerkunde | |
| 2 * Software engineering by Intevation GmbH | |
| 3 * | |
| 4 * This file is Free Software under the GNU AGPL (>=v3) | |
| 5 * and comes with ABSOLUTELY NO WARRANTY! Check out the | |
| 6 * documentation coming with Dive4Elements River for details. | |
| 7 */ | |
| 8 | |
| 9 | |
| 10 package org.dive4elements.river.exports.process; | |
| 11 | |
| 12 import org.apache.log4j.Logger; | |
| 13 | |
| 14 import java.util.List; | |
| 15 import java.util.ArrayList; | |
| 16 | |
| 17 import org.json.JSONArray; | |
| 18 import org.json.JSONException; | |
| 19 | |
| 20 import org.jfree.data.xy.XYSeries; | |
| 21 import org.jfree.chart.annotations.XYTextAnnotation; | |
| 22 | |
| 23 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet; | |
| 24 import org.dive4elements.artifacts.CallContext; | |
| 25 import org.dive4elements.river.artifacts.model.FacetTypes; | |
| 26 import org.dive4elements.river.exports.DiagramGenerator; | |
| 27 import org.dive4elements.river.jfree.RiverAnnotation; | |
| 28 import org.dive4elements.river.jfree.CollisionFreeXYTextAnnotation; | |
| 29 import org.dive4elements.river.jfree.StyledXYSeries; | |
| 30 import org.dive4elements.river.themes.ThemeDocument; | |
| 31 | |
| 32 public class ManualPointsProcessor extends DefaultProcessor { | |
| 33 | |
| 34 private static final Logger logger = Logger.getLogger(ManualPointsProcessor.class); | |
| 35 | |
| 36 @Override | |
| 37 public void doOut( | |
| 38 DiagramGenerator generator, | |
| 39 ArtifactAndFacet bundle, | |
| 40 ThemeDocument theme, | |
| 41 boolean visible) { | |
| 42 CallContext context = generator.getCallContext(); | |
| 43 String seriesName = bundle.getFacetDescription(); | |
| 44 XYSeries series = new StyledXYSeries(seriesName, theme); | |
| 45 String jsonData = (String) bundle.getData(context); | |
| 46 | |
| 47 // Add text annotations for single points. | |
| 48 List<XYTextAnnotation> xy = new ArrayList<XYTextAnnotation>(); | |
| 49 | |
| 50 try { | |
| 51 JSONArray points = new JSONArray(jsonData); | |
| 52 for (int i = 0, P = points.length(); i < P; i++) { | |
| 53 JSONArray array = points.getJSONArray(i); | |
| 54 double x = array.getDouble(0); | |
| 55 double y = array.getDouble(1); | |
| 56 String name = array.getString(2); | |
| 57 boolean act = array.getBoolean(3); | |
| 58 if (!act) { | |
| 59 continue; | |
| 60 } | |
| 61 //logger.debug(" x " + x + " y " + y ); | |
| 62 series.add(x, y, false); | |
| 63 xy.add(new CollisionFreeXYTextAnnotation(name, x, y)); | |
| 64 } | |
| 65 } | |
| 66 catch(JSONException e){ | |
| 67 logger.error("Could not decode json."); | |
| 68 } | |
| 69 | |
| 70 RiverAnnotation annotation = new RiverAnnotation(null, null, null, theme); | |
| 71 annotation.setTextAnnotations(xy); | |
| 72 | |
| 73 if (visible) { | |
| 74 generator.addAnnotations(annotation); | |
| 75 } | |
| 76 | |
| 77 generator.addAxisSeries(series, axisName, visible); | |
| 78 } | |
| 79 | |
| 80 @Override | |
| 81 public boolean canHandle(String facetType) { | |
| 82 if (facetType == null) { | |
| 83 return false; | |
| 84 } | |
| 85 return FacetTypes.IS.MANUALPOINTS(facetType); | |
| 86 } | |
| 87 } |