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annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/timeseries/TimeSeriesOutputTransition.java @ 68:d117fd4b82e5

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Chartrendering integrated in Timeseries Transition gnv-artifacts/trunk@53 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Wed, 09 Sep 2009 15:28:18 +0000
parents 5db77e0a8594
children 504570de21fd
rev   line source
64
5db77e0a8594 Integrated Output Methods and Interfacsstructure
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.transition.timeseries;
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5
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6 import java.awt.Color;
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7 import java.awt.Dimension;
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8 import java.io.ByteArrayOutputStream;
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9 import java.io.IOException;
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10 import java.util.Collection;
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11 import java.util.Iterator;
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12
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13 import org.apache.log4j.Logger;
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14
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15 import de.intevation.gnv.chart.ChartFactory;
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16 import de.intevation.gnv.chart.ChartLabels;
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17 import de.intevation.gnv.chart.ChartStyle;
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18 import de.intevation.gnv.chart.exception.TechnicalChartException;
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19 import de.intevation.gnv.geobackend.base.Result;
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20 import de.intevation.gnv.transition.OutputTransitionBase;
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21 import de.intevation.gnv.transition.describedata.KeyValueDescibeData;
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22 import de.intevation.gnv.transition.exception.TransitionException;
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23
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24 /**
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25 * @author Tim Englich <tim.englich@intevation.de>
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26 *
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27 */
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28 public class TimeSeriesOutputTransition extends OutputTransitionBase{
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29
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30 protected Collection<Result> chartResult = null;
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31 /**
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32 * the logger, used to log exceptions and additonaly information
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33 */
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34 private static Logger log = Logger.getLogger(TimeSeriesOutputTransition.class);
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35 /**
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36 * Constructor
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37 */
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38 public TimeSeriesOutputTransition() {
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39 super();
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40 }
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41
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42 /**
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43 * @see de.intevation.gnv.transition.Transition#validate()
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44 */
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45 public boolean validate() {
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46 return true;
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47 }
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48
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49 /**
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50 * @see de.intevation.gnv.transition.OutputTransition#out(java.lang.String)
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51 */
68
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52 public byte[] out(String outputMode) throws TransitionException {
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53 log.debug("TimeSeriesOutputTransition");
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54 try {
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55 this.advance(); // TODO nur neu holen wenn hash auf chartResult sich ge�ndert hat
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56 ByteArrayOutputStream os = new ByteArrayOutputStream();
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57 ChartFactory chartFactory = new ChartFactory();
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58
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59 Collection<KeyValueDescibeData> parameters = this.getParameters();
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60 Collection<KeyValueDescibeData> measurements = this.getMeasurements();
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61 String timeSeriesName = "BLA";
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62 ChartStyle chartStyle = this.creatStyle(600,400);
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63 StringBuffer lDiagramTitle = new StringBuffer();
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64 lDiagramTitle.append(/*mSelectedFis.getTitle()*/ "FIS-TITLE").append(" - ").append(/*mSelectedFeatureId[0].getTitle()*/"FeatureTitle"); // TODO: FIXME
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65 String domainLable = "BLA"; // TODO woher bekommen wir das
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66 ChartLabels chartLables = new ChartLabels(lDiagramTitle.toString(),domainLable , /*mSelectedParams[0].getTitle()*/ "Selected Params Title");
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67 chartFactory.createSimpleTimeSeriesChart(chartLables, chartStyle, timeSeriesName,
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68 parameters, measurements,
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69 os, this.chartResult);
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70 return os.toByteArray();
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71 } catch (IOException e) {
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72 log.error(e,e);
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73 throw new TransitionException(e);
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74 } catch (TechnicalChartException e) {
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75 log.error(e,e);
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76 throw new TransitionException(e);
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77 }
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78 }
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79
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80 /**
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81 * @see de.intevation.gnv.transition.TransitionBase#purifyResult(java.util.Collection)
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82 */
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83 @Override
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84 protected void purifyResult(Collection<Result> result) {
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85 this.chartResult = result;
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86 }
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87
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88 protected ChartStyle creatStyle(int witdh, int height){
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89 // TODO Konfigurierbar machen
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90 de.intevation.gnv.chart.Insets lInsets = new de.intevation.gnv.chart.Insets(5d, 5d, 5d, 5d);
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91 Dimension lChartSize = new Dimension(witdh, height);
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92 return new ChartStyle(Color.white, new Color(230, 230, 230), Color.white, Color.white, true, true, lInsets, lChartSize);
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93 }
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94
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95 protected Collection<KeyValueDescibeData> getParameters(){
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96 Iterator<Object> it = this.descibeData.iterator();
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97 int i = 0;
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98 while (it.hasNext()){
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99
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100 Object o = it.next();
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101 if (i == 1){ // TODO �ber Identifier arbeiten This is just a hack
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102 return (Collection)o;
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103 }
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104 i++;
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105 }
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106 return null;
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107 }
68
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108
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109 protected Collection<KeyValueDescibeData> getMeasurements(){
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110 Iterator<Object> it = this.descibeData.iterator();
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111 int i = 0;
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112 while (it.hasNext()){
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113
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114 Object o = it.next();
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115 if (i == 2){ // TODO �ber Identifier arbeiten This is just a hack
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116 return (Collection)o;
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117 }
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118 i++;
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119 }
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120 return null;
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121 }
64
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122 }
http://dive4elements.wald.intevation.org