tim@65: /**
tim@65:  * Title:           ChartFactory, $Header: /share/gdi/SDI-Suite/Repository/projekte/BSH-GDI/genericViewer/src/main/java/de/conterra/bsh/gdi/gnviewer/output/chart/ChartFactory.java,v 1.8 2007/12/21 12:31:15 blume Exp $
tim@65:  * Source:          $Source: /share/gdi/SDI-Suite/Repository/projekte/BSH-GDI/genericViewer/src/main/java/de/conterra/bsh/gdi/gnviewer/output/chart/ChartFactory.java,v $
tim@65:  * created by:      Stefan Blume (blume)
tim@65:  * erstellt am:     06.12.2007
tim@65:  * Copyright:       con terra GmbH, 2005
tim@65:  *
tim@65:  * modified by:     $Author: blume $
tim@65:  * modified on:     $Date: 2007/12/21 12:31:15 $
tim@65:  * Version:         $Revision: 1.8 $
tim@65:  * TAG:             $Name:  $
tim@65:  * locked from:     $Locker:  $
tim@65:  * CVS State:       $State: Exp $
tim@65:  * Project:         $ProjectName$
tim@65:  */
tim@65: package de.intevation.gnv.chart;
tim@65: 
tim@65: import java.awt.Color;
tim@65: import java.awt.Font;
tim@171: import java.awt.Transparency;
tim@65: import java.awt.image.BufferedImage;
tim@65: import java.io.IOException;
tim@67: import java.io.OutputStream;
tim@67: import java.util.Collection;
tim@65: import java.util.Date;
tim@67: import java.util.Iterator;
tim@65: 
tim@65: import org.apache.log4j.Logger;
tim@65: import org.jfree.chart.JFreeChart;
tim@65: import org.jfree.chart.axis.AxisLocation;
tim@65: import org.jfree.chart.axis.DateAxis;
tim@65: import org.jfree.chart.axis.NumberAxis;
tim@65: import org.jfree.chart.axis.NumberTickUnit;
tim@65: import org.jfree.chart.encoders.KeypointPNGEncoderAdapter;
tim@65: import org.jfree.chart.plot.PlotOrientation;
tim@65: import org.jfree.chart.plot.XYPlot;
tim@65: import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
tim@65: import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
tim@65: import org.jfree.data.time.Minute;
tim@65: import org.jfree.data.time.TimeSeries;
tim@65: import org.jfree.data.time.TimeSeriesCollection;
tim@65: import org.jfree.data.xy.XYDataset;
tim@65: import org.jfree.ui.RectangleInsets;
tim@65: 
tim@67: import de.intevation.gnv.chart.exception.TechnicalChartException;
tim@67: import de.intevation.gnv.geobackend.base.Result;
tim@335: import de.intevation.gnv.state.describedata.KeyValueDescibeData;
tim@217: import de.intevation.gnv.timeseries.gap.TimeGap;
tim@65: 
tim@65: /**
tim@65:  * The class <code>ChartFactory</code> fulfills the following purposes:
tim@65:  * <ol>
tim@65:  * <li></li>
tim@65:  * </ol>
tim@65:  * 
tim@65:  * @author blume
tim@65:  * @version 1.0
tim@65:  * @serial 1.0
tim@65:  * @see
tim@65:  * @since 06.12.2007 17:25:59
tim@65:  */
tim@65: public class ChartFactory {
tim@65: 
tim@171:     /**
tim@171:      * Default Logging instance
tim@171:      */
tim@171:     private static Logger sLogger = Logger.getLogger(ChartFactory.class);
tim@171:     private static boolean sDebug = sLogger.isDebugEnabled();
tim@225:     
tim@225:     private final static long NOTIMEGAP = Long.MAX_VALUE - 1000; 
tim@225:     // Minus 1000 damit es bei Additionen keinen Überlauf gibt
tim@65: 
tim@171:     public synchronized void createSimpleTimeSeriesChart(
tim@171:                                                          ChartLabels pLabels,
tim@171:                                                          ChartStyle pStyle,
tim@171:                                                          Collection<KeyValueDescibeData> parameters,
tim@171:                                                          Collection<KeyValueDescibeData> measurements,
tim@171:                                                          OutputStream outputStream,
tim@217:                                                          Collection<Result> resultSet,
tim@217:                                                          Collection<TimeGap> timeGaps)
tim@171:                                                                                       throws IOException,
tim@171:                                                                                       TechnicalChartException {
tim@171:         if (sDebug)
tim@171:             sLogger.debug("createSimpleTimeSeriesChart()");
tim@171:         int lLowerLevel = Integer.MIN_VALUE;
tim@171:         int lUpperLevel = Integer.MAX_VALUE;
tim@171:         if (pStyle.isUseUpperDataLevel()
tim@171:             && pStyle.getUpperLevel() < Integer.MAX_VALUE) {
tim@171:             lUpperLevel = pStyle.getUpperLevel();
tim@171:         }
tim@171:         if (pStyle.isUseLowerDataLevel()
tim@171:             && pStyle.getLowerLevel() > Integer.MIN_VALUE) {
tim@171:             lLowerLevel = pStyle.getLowerLevel();
tim@171:         }
tim@171:         if (sDebug)
tim@171:             sLogger.debug("  vor createDataset()");
tim@171:         XYDataset lSet = this.createDataset(resultSet, lUpperLevel,
tim@217:                 lLowerLevel, parameters, measurements,timeGaps);
tim@171:         if (sDebug)
tim@171:             sLogger.debug("  nach createDataset()");
tim@171:         final Color[] color = { Color.black, Color.red, Color.green, Color.blue };
tim@171:         DateAxis domain = new DateAxis(pLabels.getDomainAxisLabel());
tim@65:         NumberAxis axis;
tim@65:         StandardXYItemRenderer renderer = new StandardXYItemRenderer();
tim@171:         XYPlot plot = new XYPlot();
tim@171:         // Global settings
tim@65: 
tim@171:         plot.setOrientation(PlotOrientation.VERTICAL);
tim@171:         plot.setBackgroundPaint(Color.lightGray);
tim@171:         plot.setDomainGridlinePaint(Color.white);
tim@171:         plot.setRangeGridlinePaint(Color.white);
tim@171:         plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
tim@171:         // plot.getRangeAxis().setFixedDimension(10.0);
tim@171:         plot.setDomainAxis(domain);
tim@171:         plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
tim@171:         if (parameters.size() == 1) {
tim@171:             KeyValueDescibeData parameter = parameters.iterator().next();
tim@171:             axis = new NumberAxis(parameter.getValue());
tim@171:             if (parameter.getValue().contains("richtung")) {
tim@171:                 NumberAxis axis1 = new NumberAxis((parameter
tim@171:                         .getValue()));// ,new Range(0.0,360.0));
tim@171:                 axis1.setTickUnit(new NumberTickUnit(30.0));
tim@171:                 axis1.setUpperBound(360.0);
tim@171:                 axis1.setLowerBound(0.0);
tim@171:                 // axis1.setDisplayRange(0.0,360.0);
tim@171:                 plot.setRangeAxis(axis1);
tim@171:             } else {
tim@171:                 axis.setFixedDimension(10.0);
tim@171:                 axis.setAutoRangeIncludesZero(false);
tim@171:                 plot.setRangeAxis(axis);
tim@65:             }
tim@171:             axis.configure();
tim@171:             plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
tim@171:             plot.setRenderer(renderer);
tim@171:             plot.setDataset(lSet);
tim@171:         } else {
tim@171:             // Individual settings for different parameters
tim@171:             for (int i = 0; i < lSet.getSeriesCount(); i++) {
tim@65: 
tim@171:                 plot.setDataset(i, getDataset((TimeSeriesCollection) lSet, i));
tim@171:                 Color mColor = color[i % color.length]; // zyklische Farbvergabe
tim@171:                 mColor = color[0];
tim@171:                 // if ( pParameterId.length==1){
tim@65: 
tim@171:                 if (((String) lSet.getSeriesKey(i)).contains("richtung")) {
tim@171:                     NumberAxis axis1 = new NumberAxis(((String) lSet
tim@171:                             .getSeriesKey(i)));// ,new Range(0.0,360.0));
tim@171:                     axis1.setTickUnit(new NumberTickUnit(30.0));
tim@171:                     // axis1.setDisplayRange(0.0,360.0);
tim@171:                     axis1.setLabelPaint(mColor);
tim@171:                     axis1.setTickLabelPaint(mColor);
tim@171:                     axis1.setUpperBound(360.0);
tim@171:                     axis1.setLowerBound(0.0);
tim@171:                     plot.setRangeAxis(i, axis1);
tim@65: 
tim@171:                 } else {
tim@171:                     axis = new NumberAxis((String) lSet.getSeriesKey(i));
tim@171:                     axis.setFixedDimension(10.0);
tim@171:                     axis.setAutoRangeIncludesZero(false);
tim@171:                     axis.setLabelPaint(mColor);
tim@171:                     axis.setTickLabelPaint(mColor);
tim@171:                     plot.setRangeAxis(i, axis);
tim@171:                     axis.configure();
tim@171:                 }
tim@171:                 if (i % 2 != 0)
tim@171:                     plot.setRangeAxisLocation(i, AxisLocation.BOTTOM_OR_RIGHT);
tim@171:                 else
tim@171:                     plot.setRangeAxisLocation(i, AxisLocation.BOTTOM_OR_LEFT);
tim@171:                 plot.mapDatasetToRangeAxis(i, i);
tim@171:                 // }
tim@171:                 renderer = new StandardXYItemRenderer();
tim@171:                 renderer.setSeriesPaint(i, mColor);
tim@171:                 // renderer.setSeriesStroke(i,stroke[j]);
tim@171:                 plot.setRenderer(i, renderer);
tim@171:             }
tim@171:         }
tim@171:         JFreeChart chart = new JFreeChart(pLabels.getTitle(), new Font(
tim@171:                 "SansSerif", Font.BOLD, 24), plot, true);
tim@65: 
tim@171:         setStyle(chart, pStyle);
tim@171:         configureRenderingOptions(chart);
tim@171:         if (sDebug)
tim@171:             sLogger.debug("  vor encodeChart()");
tim@65: 
tim@171:         encodeChart(chart, pStyle, outputStream);
tim@171:     }
tim@171: 
tim@171:     private static XYDataset getDataset(TimeSeriesCollection T, int pIndex) { // throws
tim@171:                                                                               // TechnicalChartException{
tim@171:         // if (T.getSeriesCount() < pIndex) throw TechnicalChartException();
tim@171:         TimeSeriesCollection TSC = new TimeSeriesCollection();
tim@171:         TSC.addSeries(T.getSeries(pIndex));
tim@171:         return TSC;
tim@171:     }
tim@171: 
tim@171:     private void configureRenderingOptions(JFreeChart pJfreechart) {
tim@171:         org.jfree.chart.renderer.xy.XYItemRenderer xyitemrenderer = ((XYPlot) pJfreechart
tim@171:                 .getPlot()).getRenderer();
tim@171:         if (xyitemrenderer instanceof XYLineAndShapeRenderer) {
tim@171:             XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) xyitemrenderer;
tim@171:             xylineandshaperenderer.setBaseShapesVisible(true);
tim@171:             xylineandshaperenderer.setBaseShapesFilled(true);
tim@171:         }
tim@171:     }
tim@171: 
tim@171:     private void setStyle(JFreeChart pJfreechart, ChartStyle pStyle) {
tim@171:         if (sDebug)
tim@171:             sLogger.debug("setStyle()");
tim@171:         pJfreechart.setBackgroundPaint(pStyle.getCanvasColor());
tim@171:         XYPlot xyplot = (XYPlot) pJfreechart.getPlot();
tim@171:         xyplot.setBackgroundPaint(pStyle.getPlotBackgroundColor());
tim@171:         xyplot.setDomainGridlinePaint(pStyle.getDomainGridlineColor());
tim@171:         xyplot.setRangeGridlinePaint(pStyle.getRangeGridlineColor());
tim@171: 
tim@171:         Insets lOffsets = pStyle.getAxisOffset();
tim@171:         RectangleInsets lRectangleInsets = new RectangleInsets(lOffsets.mUpper,
tim@171:                 lOffsets.mLeft, lOffsets.mLower, lOffsets.mRight);
tim@171:         xyplot.setAxisOffset(lRectangleInsets);
tim@171:         xyplot.setDomainCrosshairVisible(pStyle.isDomainCrosshairVisible());
tim@171:         xyplot.setRangeCrosshairVisible(pStyle.isRangeCrosshairVisible());
tim@171: 
tim@171:     }
tim@171: 
tim@171:     private TimeSeries createTimeSeries(String pTimeSeriesName,
tim@171:                                         Collection<Result> resultSet,
tim@171:                                         int lUpperCut, int lLowerCut,
tim@217:                                         int pStart, int pEnd, long maxGap)
tim@171:                                                   throws TechnicalChartException {
tim@171:         if (sDebug)
tim@171:             sLogger.debug("createTimeSeries()");
tim@171:         Result lRow0, lRow1;
tim@171: 
tim@171:         Date lDate = null, lDate0 = null;
tim@171: 
tim@171:         TimeSeries lTimeseries = new TimeSeries(pTimeSeriesName,
tim@171:                 org.jfree.data.time.Minute.class);
tim@171:         try {
tim@217:             long lDateDiff = 0;
tim@171:             double lValue = 0;
tim@217:             
tim@171:             int i = 0;
tim@171:             Iterator<Result> resultIterator = resultSet.iterator();
tim@171:             while (resultIterator.hasNext()) {
tim@171:                 Result lRow = resultIterator.next();
tim@171:                 if (i >= pStart + 1 && i <= pEnd) {
tim@171:                     if (i == pStart + 1) {
tim@171:                         lRow0 = lRow;//
tim@171:                         lDate = lRow0.getDate("XORDINATE");
tim@171:                         lDate0 = lDate;
tim@171:                         lValue = lRow0.getDouble("YORDINATE");
tim@171:                         if (lValue > lLowerCut && lValue < lUpperCut) {
tim@171:                             // lTimeseries.addOrUpdate(new Minute(lDate),
tim@171:                             // lValue);
tim@171:                             lTimeseries.add(new Minute(lDate), lValue);
tim@171:                         }
tim@171:                     }
tim@171:                     // for (int i = pStart+1; i <= pEnd; i++) {
tim@171:                     lRow1 = lRow;
tim@171:                     lDate = lRow1.getDate("XORDINATE");
tim@171:                     lValue = lRow1.getDouble("YORDINATE");
tim@171:                     lDateDiff = lDate.getTime() - lDate0.getTime();
tim@171:                     if (lDateDiff > maxGap) {
tim@171:                         // add 1 minute in millisecs to left hand side Date
tim@171:                         // and insert Dummy to break line
tim@171:                         lDate0.setTime((lDate0.getTime() + 60000));
tim@171:                         lTimeseries.addOrUpdate(new Minute(lDate0), null);
tim@171:                         lTimeseries.addOrUpdate(new Minute(lDate), lValue);
tim@171:                         // lTimeseries.add(new Minute(lDate0), null);
tim@171:                     } else if (lDateDiff == 0) {
tim@171:                         if (sDebug)
tim@171:                             sLogger.debug("Datediff: " + lDateDiff
tim@171:                                           + " bei index : " + i + " Datum : "
tim@171:                                           + lDate + " " + lDate0);
tim@171:                     } else if (lValue > lLowerCut && lValue < lUpperCut) {
tim@171:                         lTimeseries.addOrUpdate(new Minute(lDate), lValue);
tim@171:                         // lTimeseries.add(new Minute(lDate), lValue);
tim@171:                     }
tim@171:                     lRow0 = lRow1;
tim@171:                     lDate0 = lDate;
tim@171:                 } else if (i > pEnd) {
tim@171:                     return lTimeseries;
tim@171:                 }
tim@171:                 i++;
tim@171:             }
tim@171: 
tim@171:         } catch (OutOfMemoryError e) {
tim@171:             sLogger.error(e.getMessage(), e);
tim@171:             return lTimeseries;
tim@171: 
tim@171:         } catch (Exception e) { // TechnicalChartException
tim@171:             sLogger.error(e.getMessage(), e);
tim@171:         } finally {
tim@171:         }
tim@171: 
tim@171:         return lTimeseries;
tim@171:     }
tim@171: 
tim@171:     private XYDataset createDataset(Collection<Result> resultSet,
tim@171:                                     int lUpperCut, int lLowerCut,
tim@171:                                     Collection<KeyValueDescibeData> parameters,
tim@217:                                     Collection<KeyValueDescibeData> measurements,
tim@217:                                     Collection<TimeGap> timeGaps)
tim@171:                                                                                  throws TechnicalChartException {
tim@171: 
tim@171:         TimeSeriesCollection lTimeSeriesCollection = new TimeSeriesCollection();
tim@171:         try {
tim@171:             Date dStart = null, dEnd = null;
tim@171:             String break1, break2, break3;
tim@171:             int mStart = 0;
tim@171:             int mEnd = 0;
tim@171: 
tim@171:             Iterator<Result> resultIterator = resultSet.iterator();
tim@171:             if (resultIterator.hasNext()) {
tim@171:                 Result row = resultIterator.next();
tim@171: 
tim@171:                 break1 = row.getString("GROUP1"); // 2
tim@171:                 break2 = row.getString("GROUP2"); // 3
tim@171:                 break3 = row.getString("GROUP3"); // 4
tim@171:                 dStart = row.getDate("XORDINATE");
tim@171:                 int i = 1;
tim@217:                 Integer gapID = -1;
tim@171:                 while (resultIterator.hasNext()) {
tim@171:                     row = resultIterator.next();
tim@171:                     if (!break1.equals(row.getString("GROUP1"))
tim@171:                         || !break2.equals(row.getString("GROUP2"))
tim@171:                         || !break3.equals(row.getString("GROUP3"))) {
tim@171:                         String mTimeSeriesName = findValueTitle(parameters,
tim@171:                                 break1)
tim@171:                                                  + " "
tim@171:                                                  + findValueTitle(measurements,
tim@171:                                                          break2) + "m";
tim@217:                         long maxGap = this.calculateMaxGap(dStart, dEnd,mStart,
tim@217:                                                            mEnd, gapID.intValue(),
tim@217:                                                            timeGaps);
tim@217:                         
tim@217:                         
tim@171:                         lTimeSeriesCollection.addSeries(createTimeSeries(
tim@171:                                 mTimeSeriesName, resultSet, lUpperCut,
tim@217:                                 lLowerCut, mStart, mEnd,maxGap));
tim@171:                         mStart = i;
tim@171:                         dStart = row.getDate("XORDINATE");
tim@171:                         break1 = row.getString("GROUP1");
tim@171:                         break2 = row.getString("GROUP2"); // 3
tim@171:                         break3 = row.getString("GROUP3"); // 4
tim@171: 
tim@171:                     }
tim@171:                     mEnd = i;
tim@171:                     dEnd = row.getDate("XORDINATE");
tim@217:                     gapID = row.getInteger("GAPID");
tim@171:                     i = i + 1;
tim@171:                 }
tim@171: 
tim@171:                 String mTimeSeriesName = findValueTitle(parameters, break1)
tim@171:                                          + " "
tim@171:                                          + findValueTitle(measurements, break2)
tim@171:                                          + "m";
tim@217:                 long maxGap = this.calculateMaxGap(dStart, dEnd,mStart, 
tim@217:                                                    mEnd,gapID.intValue(),
tim@217:                                                    timeGaps);
tim@171:                 lTimeSeriesCollection.addSeries(createTimeSeries(
tim@171:                         mTimeSeriesName, resultSet, lUpperCut, lLowerCut,
tim@217:                         mStart, mEnd, maxGap));
tim@193:             }else{
tim@217:                 // Es sind keine Daten vorhanden: Es wird eine Zeitserie eingefügt.
tim@193:                 lTimeSeriesCollection.addSeries(createTimeSeries(
tim@193:                         "", resultSet, lUpperCut, lLowerCut,
tim@217:                         mStart, mEnd, 999999));
tim@171:             }
tim@171:         } catch (Exception e) {
tim@171:             sLogger.error(e.getMessage(), e);
tim@171:         } finally {
tim@171:         }
tim@171:         return lTimeSeriesCollection;
tim@171:     }
tim@171: 
tim@217:     /**
tim@217:      * @param dStart
tim@217:      * @param dEnd
tim@217:      */
tim@217:     private long calculateMaxGap(Date dStart, Date dEnd, int pStart ,
tim@217:                                  int pEnd, int gapID, 
tim@217:                                  Collection<TimeGap> timeGaps) {
tim@217:         
tim@217:            // umgesetzt nach issue 45
tim@217:             // Handle Gaps > 0.5% timeserieslength, 
tim@217:             // i.e do not draw here
tim@217:             long maxGap = (dEnd.getTime() - dStart.getTime()) / 200; 
tim@217:             // 0,5 prozent der Länge
tim@217:             long timeInterval = this.getTimeGapValue(dStart, dEnd, pStart, 
tim@217:                                                      pEnd, gapID, timeGaps);
tim@217:             
tim@217:             if (maxGap < timeInterval){
tim@217:                 maxGap = timeInterval + 10;
tim@217:             }
tim@217: //            if (maxGap < (dEnd.getTime() - dStart.getTime())
tim@217: //                         / (pEnd - pStart))
tim@217: //                maxGap = (dEnd.getTime() - dStart.getTime())
tim@217: //                         / (pEnd - pStart) + 1000;
tim@217:             
tim@217:             return maxGap;
tim@217:     }
tim@217:     
tim@217:     private long getTimeGapValue(Date dStart, Date dEnd, 
tim@217:                                  int pStart ,int pEnd, 
tim@217:                                  int gapID, Collection<TimeGap> timeGaps){
tim@217:         long gap = 0;
tim@217:         
tim@217:         if (gapID < 0 || gapID >= 99){
tim@221:             
tim@221:             if (gapID == -1){ // Mesh
tim@225:                 gap = NOTIMEGAP; // Es gibt keine Lücken in Netzen.
tim@221:             }else if (pEnd-pStart < 60){
tim@221:                 gap = (3/(pEnd-pStart)) * (dEnd.getTime() - dStart.getTime());
tim@221:             }
tim@217:         }else{
tim@217:             
tim@217:             Iterator<TimeGap> it = timeGaps.iterator();
tim@217:            
tim@217:             while (it.hasNext()){
tim@217:                 TimeGap tempTimeGap = it.next();
tim@217:                 if (tempTimeGap.getKey() == gapID){
tim@217:                     int gapValue = tempTimeGap.getValue();
tim@217:                     String unit = tempTimeGap.getUnit();
tim@217:                     
tim@217:                     if (unit.equals(TimeGap.TIME_UNIT_MINUTE)){
tim@217:                         gap = gapValue * TimeGap.MINUTE_IN_MILLIS;
tim@217:                     }else if (unit.equals(TimeGap.TIME_UNIT_HOUR)){
tim@217:                         gap = gapValue * TimeGap.HOUR_IN_MILLIS;
tim@217:                     }else if (unit.equals(TimeGap.TIME_UNIT_DAY)){
tim@217:                         gap = gapValue * TimeGap.DAY_IN_MILLIS;
tim@217:                     }else if (unit.equals(TimeGap.TIME_UNIT_WEEK)){
tim@217:                         gap = gapValue * TimeGap.WEEK_IN_MILLIS;
tim@217:                     }else if (unit.equals(TimeGap.TIME_UNIT_MONTH)){
tim@217:                         // TODO wie soll das laufen
tim@217:                         gap = gapValue * (TimeGap.DAY_IN_MILLIS *30);
tim@217:                     }else if (unit.equals(TimeGap.TIME_UNIT_YEAR)){
tim@217:                         // TODO wie soll das laufen für schaltjahre
tim@217:                         gap = gapValue * (TimeGap.DAY_IN_MILLIS *365);
tim@217:                     }
tim@217:                     break;
tim@217:                 }
tim@217:             }
tim@217:         }
tim@217:         
tim@217:         return gap;
tim@217:     }
tim@217: 
tim@171:     private void encodeChart(JFreeChart pChart, ChartStyle pStyle,
tim@171:                              OutputStream outputStream) throws IOException {
tim@171:         if (sDebug)
tim@171:             sLogger.debug("encodeChart()");
tim@171:         KeypointPNGEncoderAdapter lEncoder = new KeypointPNGEncoderAdapter();
tim@171:         lEncoder.setEncodingAlpha(true);
tim@171: 
tim@171:         int lWidth = (int) pStyle.getChartSize().getWidth();
tim@171:         int lHeight = (int) pStyle.getChartSize().getHeight();
tim@171: 
tim@171:         BufferedImage lImage = pChart.createBufferedImage(lWidth, lHeight,
tim@171:                 Transparency.BITMASK, null);
tim@171: 
tim@171:         lEncoder.encode(lImage, outputStream);
tim@171: 
tim@171:     }
tim@171: 
tim@171:     private String findValueTitle(Collection<KeyValueDescibeData> values,
tim@171:                                   String pMmtId) {
tim@171:         int id = 0;
tim@171:         try {
tim@82:             id = Integer.parseInt(pMmtId);
tim@82:         } catch (NumberFormatException e) {
tim@171:             sLogger.warn(e, e);
tim@82:             return pMmtId;
tim@82:         }
tim@171: 
tim@82:         Iterator<KeyValueDescibeData> it = values.iterator();
tim@171:         while (it.hasNext()) {
tim@171:             KeyValueDescibeData data = it.next();
tim@171:             if (id == Integer.parseInt(data.getKey())) {
tim@171:                 return data.getValue();
tim@171:             }
tim@171:         }
tim@171:         return "";
tim@65:     }
tim@65: }