--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/chart/ChartFactory.java	Fri Sep 28 12:13:41 2012 +0200
@@ -0,0 +1,390 @@
+/**
+ * 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 $
+ * Source:          $Source: /share/gdi/SDI-Suite/Repository/projekte/BSH-GDI/genericViewer/src/main/java/de/conterra/bsh/gdi/gnviewer/output/chart/ChartFactory.java,v $
+ * created by:      Stefan Blume (blume)
+ * erstellt am:     06.12.2007
+ * Copyright:       con terra GmbH, 2005
+ *
+ * modified by:     $Author: blume $
+ * modified on:     $Date: 2007/12/21 12:31:15 $
+ * Version:         $Revision: 1.8 $
+ * TAG:             $Name:  $
+ * locked from:     $Locker:  $
+ * CVS State:       $State: Exp $
+ * Project:         $ProjectName$
+ */
+package de.intevation.gnv.chart;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Collection;
+import java.util.Date;
+import java.util.Iterator;
+
+import org.apache.log4j.Logger;
+import org.jfree.chart.JFreeChart;
+import org.jfree.chart.axis.AxisLocation;
+import org.jfree.chart.axis.DateAxis;
+import org.jfree.chart.axis.NumberAxis;
+import org.jfree.chart.axis.NumberTickUnit;
+import org.jfree.chart.encoders.KeypointPNGEncoderAdapter;
+import org.jfree.chart.plot.PlotOrientation;
+import org.jfree.chart.plot.XYPlot;
+import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
+import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
+import org.jfree.data.time.Minute;
+import org.jfree.data.time.TimeSeries;
+import org.jfree.data.time.TimeSeriesCollection;
+import org.jfree.data.xy.XYDataset;
+import org.jfree.ui.RectangleInsets;
+
+import de.intevation.gnv.chart.exception.TechnicalChartException;
+import de.intevation.gnv.geobackend.base.Result;
+import de.intevation.gnv.transition.describedata.KeyValueDescibeData;
+
+/**
+ * The class <code>ChartFactory</code> fulfills the following purposes:
+ * <ol>
+ * <li></li>
+ * </ol>
+ * 
+ * @author blume
+ * @version 1.0
+ * @serial 1.0
+ * @see
+ * @since 06.12.2007 17:25:59
+ */
+public class ChartFactory {
+
+	/**
+	 * Default Logging instance
+	 */
+	private static Logger sLogger = Logger.getLogger(ChartFactory.class);
+	private static boolean sDebug = sLogger.isDebugEnabled();
+
+
+	public synchronized void createSimpleTimeSeriesChart(ChartLabels pLabels, ChartStyle pStyle, Collection<KeyValueDescibeData> parameters, Collection<KeyValueDescibeData> measurements, OutputStream outputStream, Collection<Result> resultSet) throws IOException, TechnicalChartException {
+		if (sDebug)
+			sLogger.debug("createSimpleTimeSeriesChart()");
+		int lLowerLevel = Integer.MIN_VALUE;
+		int lUpperLevel = Integer.MAX_VALUE;
+		if (pStyle.isUseUpperDataLevel()
+				&& pStyle.getUpperLevel() < Integer.MAX_VALUE) {
+			lUpperLevel = pStyle.getUpperLevel();
+		}
+		if (pStyle.isUseLowerDataLevel()
+				&& pStyle.getLowerLevel() > Integer.MIN_VALUE) {
+			lLowerLevel = pStyle.getLowerLevel();
+		}
+		if (sDebug)
+			sLogger.debug("  vor createDataset()");
+		XYDataset lSet = this.createDataset(resultSet, lUpperLevel,
+				lLowerLevel,parameters,measurements);
+		if (sDebug)
+			sLogger.debug("  nach createDataset()");
+		final Color[] color = {Color.black, Color.red, Color.green, Color.blue};
+		DateAxis domain = new DateAxis(pLabels.getDomainAxisLabel());
+        NumberAxis axis;
+        StandardXYItemRenderer renderer = new StandardXYItemRenderer();
+		XYPlot plot = new XYPlot();
+		//Global  settings
+		
+		plot.setOrientation(PlotOrientation.VERTICAL);
+		plot.setBackgroundPaint(Color.lightGray);
+		plot.setDomainGridlinePaint(Color.white);
+		plot.setRangeGridlinePaint(Color.white);
+		plot.setAxisOffset(new RectangleInsets(5.0,5.0,5.0,5.0));
+		//plot.getRangeAxis().setFixedDimension(10.0);
+		plot.setDomainAxis(domain);
+		plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
+		if (parameters.size() == 1) {
+		    KeyValueDescibeData parameter = parameters.iterator().next();
+			axis = new NumberAxis(parameter.getValue());
+			if(parameter.getValue().contains("richtung")){
+				NumberAxis axis1 = new NumberAxis(
+						((String) parameter.getValue()));//,new Range(0.0,360.0));
+			    axis1.setTickUnit(new NumberTickUnit(30.0));
+				axis1.setUpperBound(360.0);
+				axis1.setLowerBound(0.0);
+                //axis1.setDisplayRange(0.0,360.0);				    
+				plot.setRangeAxis( axis1);
+			}else{
+			axis.setFixedDimension(10.0);
+			axis.setAutoRangeIncludesZero(false);
+			plot.setRangeAxis(axis);
+			}
+			axis.configure();
+			plot.setRangeAxisLocation( AxisLocation.BOTTOM_OR_LEFT);
+			plot.setRenderer(renderer);
+			plot.setDataset(lSet);
+		} else {
+			// Individual settings for different parameters
+			for (int i = 0; i < lSet.getSeriesCount(); i++) {
+
+				plot.setDataset(i, getDataset((TimeSeriesCollection) lSet, i));
+				Color mColor=color[i % color.length];  // zyklische Farbvergabe
+				mColor = color[0];
+				// if ( pParameterId.length==1){
+				
+				if(((String) lSet.getSeriesKey(i)).contains("richtung")){
+					NumberAxis axis1 = new NumberAxis(((String) lSet.getSeriesKey(i)));//,new Range(0.0,360.0));
+				    axis1.setTickUnit(new NumberTickUnit(30.0));
+                    //axis1.setDisplayRange(0.0,360.0);				    
+					axis1.setLabelPaint(mColor);
+					axis1.setTickLabelPaint(mColor);
+					axis1.setUpperBound(360.0);
+					axis1.setLowerBound(0.0);
+					plot.setRangeAxis(i, axis1);
+					
+			    
+				}
+				else {
+					axis = new NumberAxis((String) lSet.getSeriesKey(i));
+					axis.setFixedDimension(10.0);
+					axis.setAutoRangeIncludesZero(false);
+					axis.setLabelPaint(mColor);
+					axis.setTickLabelPaint(mColor);
+					plot.setRangeAxis(i, axis);
+					axis.configure();
+				}
+				if (i % 2 != 0)
+					plot.setRangeAxisLocation(i, AxisLocation.BOTTOM_OR_RIGHT);
+				else
+					plot.setRangeAxisLocation(i, AxisLocation.BOTTOM_OR_LEFT);
+				plot.mapDatasetToRangeAxis(i, i);
+				// }
+				renderer = new StandardXYItemRenderer();
+				renderer.setSeriesPaint(i, mColor);
+				// renderer.setSeriesStroke(i,stroke[j]);
+				plot.setRenderer(i, renderer);
+			}
+		}
+		JFreeChart chart = new JFreeChart(
+				pLabels.getTitle(),
+				new Font ("SansSerif",Font.BOLD,24),
+				plot,true);
+		
+
+		setStyle(chart, pStyle);
+		configureRenderingOptions(chart);
+		if (sDebug)
+			sLogger.debug("  vor encodeChart()");
+		
+		encodeChart(chart, pStyle, outputStream);
+	}
+    private static XYDataset getDataset(TimeSeriesCollection T, int pIndex){ //throws TechnicalChartException{
+    	//if (T.getSeriesCount() < pIndex) throw TechnicalChartException();
+    	TimeSeriesCollection TSC = new TimeSeriesCollection();
+    	TSC.addSeries(T.getSeries(pIndex));
+    	return (XYDataset) TSC;
+    }
+    
+	private void configureRenderingOptions(JFreeChart pJfreechart) {
+		org.jfree.chart.renderer.xy.XYItemRenderer xyitemrenderer = ((XYPlot) pJfreechart
+				.getPlot()).getRenderer();
+		if (xyitemrenderer instanceof XYLineAndShapeRenderer) {
+			XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) xyitemrenderer;
+			xylineandshaperenderer.setBaseShapesVisible(true);
+			xylineandshaperenderer.setBaseShapesFilled(true);
+		}
+	}
+
+	private void setStyle(JFreeChart pJfreechart, ChartStyle pStyle) {
+		if (sDebug)
+			sLogger.debug("setStyle()");
+		pJfreechart.setBackgroundPaint(pStyle.getCanvasColor());
+		XYPlot xyplot = (XYPlot) pJfreechart.getPlot();
+		xyplot.setBackgroundPaint(pStyle.getPlotBackgroundColor());
+		xyplot.setDomainGridlinePaint(pStyle.getDomainGridlineColor());
+		xyplot.setRangeGridlinePaint(pStyle.getRangeGridlineColor());
+
+		Insets lOffsets = pStyle.getAxisOffset();
+		RectangleInsets lRectangleInsets = new RectangleInsets(lOffsets.mUpper,
+				lOffsets.mLeft, lOffsets.mLower, lOffsets.mRight);
+		xyplot.setAxisOffset(lRectangleInsets);
+		xyplot.setDomainCrosshairVisible(pStyle.isDomainCrosshairVisible());
+		xyplot.setRangeCrosshairVisible(pStyle.isRangeCrosshairVisible());
+
+	}
+	
+	
+	private TimeSeries createTimeSeries(String pTimeSeriesName,  Collection<Result> resultSet, 
+			int lUpperCut, int lLowerCut,int pStart,int pEnd, Date dStart, Date dEnd) throws TechnicalChartException{
+		if (sDebug)
+			sLogger.debug("createTimeSeries()");
+		Result lRow0, lRow1;
+		
+		Date lDate=null, lDate0=null;
+        
+        TimeSeries lTimeseries = new TimeSeries(pTimeSeriesName,   
+				org.jfree.data.time.Minute.class);
+		try {
+			long maxGap=0, lDateDiff=0;
+			double lValue=0;
+			
+
+			int i = 0;
+			Iterator<Result> resultIterator = resultSet.iterator();
+            while (resultIterator.hasNext()){
+            	Result lRow = resultIterator.next();
+            	if (i >= pStart+1 && i <= pEnd){
+            		if (i == pStart+1){
+                		lRow0 = lRow;//
+            			
+            			// Handle Gaps > 0.5% timeserieslength, i.e do not draw here
+            			// +TODO mache maxGap variabel über diagram options
+            			maxGap = (dEnd.getTime() - dStart.getTime()) / 200; // 0,5 prozent der Länge
+            			if (maxGap < 3600000) maxGap=3600010;
+            			if (maxGap <(dEnd.getTime() - dStart.getTime())/(pEnd-pStart))
+            				maxGap = (dEnd.getTime() - dStart.getTime())/(pEnd-pStart) + 1000;
+            			
+            			if (sDebug)
+            				sLogger.debug("MaxGap : "+maxGap/1000+" Länge : "+(dEnd.getTime() - dStart.getTime())/1000+
+            						      "Intervall "+(dEnd.getTime() - dStart.getTime())/(pEnd-pStart)/1000);
+            			lDate = lRow0.getDate("XORDINATE");
+            			lDate0 = lDate;
+            			lValue = lRow0.getDouble("YORDINATE");
+            			if (lValue > lLowerCut && lValue < lUpperCut){
+            				//lTimeseries.addOrUpdate(new Minute(lDate), lValue);
+            				lTimeseries.add(new Minute(lDate), lValue);
+            			}
+                	}
+				//for (int i = pStart+1; i <= pEnd; i++) {
+					lRow1 =lRow;
+					lDate = lRow1.getDate("XORDINATE");
+					lValue = lRow1.getDouble("YORDINATE");
+					lDateDiff = lDate.getTime() - lDate0.getTime();
+					if (lDateDiff > maxGap) {
+						// add 1 minute in millisecs to left hand side Date
+						// and insert Dummy to break line
+						lDate0.setTime((lDate0.getTime() + 60000)); 
+						lTimeseries.addOrUpdate(new Minute(lDate0), null);						 
+						lTimeseries.addOrUpdate(new Minute(lDate), lValue);
+						//lTimeseries.add(new Minute(lDate0), null);
+					} else if (lDateDiff == 0) {
+						if (sDebug)
+								sLogger.debug("Datediff: "+lDateDiff+" bei index : "+i+" Datum : "+lDate+" "+lDate0);
+					}
+					 else if (lValue > lLowerCut && lValue < lUpperCut) {
+						lTimeseries.addOrUpdate(new Minute(lDate), lValue);
+						//lTimeseries.add(new Minute(lDate), lValue);
+					 }
+					lRow0 = lRow1;
+					lDate0 = lDate;
+				}else if (i > pEnd){
+				    return lTimeseries;
+				}
+				i++;
+            }
+			
+
+		} catch (OutOfMemoryError e) { 
+			sLogger.error(e.getMessage(), e);
+			return lTimeseries;
+		
+		} catch (Exception e) { //TechnicalChartException
+			sLogger.error(e.getMessage(), e);
+		}
+		finally {
+		}
+		
+		return lTimeseries;
+	}
+
+	private XYDataset createDataset(Collection<Result> resultSet,
+			int lUpperCut, int lLowerCut,Collection<KeyValueDescibeData> parameters, Collection<KeyValueDescibeData> measurements) throws TechnicalChartException {
+		
+		TimeSeriesCollection lTimeSeriesCollection = new TimeSeriesCollection();
+		try{
+			Date dStart = null, dEnd= null;
+			String break1, break2, break3;
+			int mStart = 0;
+			int mEnd = 0;
+			
+	
+			Iterator<Result> resultIterator = resultSet.iterator();
+			if (resultIterator.hasNext()){
+    			Result row = resultIterator.next();
+    			
+    			break1 = row.getString("GROUP1"); // 2
+    			break2 = row.getString("GROUP2");  //3
+    			break3 = row.getString("GROUP3"); // 4
+    			dStart = row.getDate("XORDINATE");
+    			int i = 1;
+    			while (resultIterator.hasNext()) {
+    			    row = resultIterator.next();
+    				if (!break1.equals(row.getString("GROUP1"))
+    						|| !break2 .equals(row.getString("GROUP2"))
+    					    || !break3.equals(row.getString("GROUP3"))){
+    					String mTimeSeriesName = findValueTitle(parameters,break1)+" "+
+    					                         findValueTitle(measurements,break2)+"m";
+    					
+    					lTimeSeriesCollection.addSeries(createTimeSeries(mTimeSeriesName,
+    							resultSet, lUpperCut, lLowerCut, mStart, mEnd, dStart, dEnd));
+    					mStart = i;
+    					dStart = row.getDate("XORDINATE");
+    					break1 = row.getString("GROUP1");
+    					break2 = row.getString("GROUP2");  //3
+    					break3 = row.getString("GROUP3"); // 4
+    	
+    				}
+    				mEnd = i;
+    				dEnd = row.getDate("XORDINATE");
+    				i = i + 1;
+    			}
+			
+			String mTimeSeriesName = findValueTitle(parameters,break1)+" "+
+	                                 findValueTitle(measurements,break2)+"m";
+			lTimeSeriesCollection.addSeries(createTimeSeries(mTimeSeriesName,
+					resultSet, lUpperCut, lLowerCut, mStart, mEnd, dStart, dEnd));
+			}
+		}
+		catch (Exception e){
+			sLogger.error(e.getMessage(), e);
+		}
+		finally{
+		}
+		return lTimeSeriesCollection;
+	}
+
+
+
+	private void encodeChart(JFreeChart pChart, ChartStyle pStyle, OutputStream outputStream)
+			throws IOException {
+		if (sDebug)
+			sLogger.debug("encodeChart()");
+		KeypointPNGEncoderAdapter lEncoder = new KeypointPNGEncoderAdapter();
+		lEncoder.setEncodingAlpha(true);
+
+		int lWidth = (int) pStyle.getChartSize().getWidth();
+		int lHeight = (int) pStyle.getChartSize().getHeight();
+
+		BufferedImage lImage = pChart.createBufferedImage(lWidth, lHeight,
+				BufferedImage.BITMASK, null);
+	
+		lEncoder.encode(lImage, outputStream);
+	
+}
+
+    private String findValueTitle(Collection<KeyValueDescibeData> values, String pMmtId){
+    	int id = 0;
+    	try {
+            id = Integer.parseInt(pMmtId);
+        } catch (NumberFormatException e) {
+            sLogger.warn(e,e);
+            return pMmtId;
+        }
+        
+        Iterator<KeyValueDescibeData> it = values.iterator();
+    	while(it.hasNext()){
+    	    KeyValueDescibeData data = it.next();
+    		if (id  ==Integer.parseInt(data.getKey())){
+    		    return data.getValue();
+    		}
+    	}
+    	return "";
+    }
+}