jfreechart 전체 코드 인 스 턴 스
20675 단어 apache.데이터 구조jfreechartJ#UP
import java.awt.Color;
import java.awt.Font;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.bingosoft.common.config.Config;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.ItemLabelAnchor;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.general.DatasetUtilities;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.TextAnchor;
public class CreateChartService {
private static Log log = LogFactory.getLog(CreateChartService.class);
//
private static final String CHART_PATH = Config.getString("image.filepath");
/**
*
* 1. <br>
* 2. ， ， List<br>
* @throws IOException
*/
public List createLineAndShapeChart(double[][]data , String[]rowKeys,String[] columnKeys,ChartEntity entity) throws IOException {
List list = new ArrayList() ;
byte[] bytes = new byte[]{} ;
//
Map map = this.parseDataForBarPage(data, rowKeys, columnKeys) ;
int pageNum = Integer.parseInt(""+map.get("pageNum")) ;
// ，
for(int i=0 ; i<pageNum ; i++){
bytes = createSingleLineAndShapeChart((double[][])(map.get("data"+i)),(String[])(map.get("rowKeys"+i)),
(String[])(map.get("columnKeys"+i)),entity) ;
list.add(bytes) ;
}
return list ;
}
/**
*
* @param data
* @param rowKeys
* @param columnKeys
* @param entity
* @return
* @throws IOException
*/
public byte[] createSingleLineAndShapeChart(double[][]data , String[]rowKeys,String[] columnKeys,ChartEntity entity) throws IOException {
CategoryDataset dataset = getBarData(data, rowKeys, columnKeys);
JFreeChart chart = createTimeXYChar(dataset, entity);
byte[] bytes = this.createImage(chart, entity) ;
return bytes ;
}
/**
* <br>
* 1. <br>
* 2. ， ， List<br>
* @param data
* @param rowKeys
* @param columnKeys
* @param entity
* @return List
* @throws IOException
*/
public List createStackedBarChart(double[][]data,String[]rowKeys,String[]columnKeys , ChartEntity entity) throws IOException {
//
List list = new ArrayList() ;
byte[] bytes = new byte[]{} ;
Map map = this.parseDataForBarPage(data, rowKeys, columnKeys) ;
int pageNum = Integer.parseInt(""+map.get("pageNum")) ;
// ， ， List
for(int i=0 ; i<pageNum ; i++){
bytes = createSingleStackedBarChart((double[][])(map.get("data"+i)),(String[])(map.get("rowKeys"+i)),
(String[])(map.get("columnKeys"+i)),entity) ;
list.add(bytes) ;
}
return list ;
}
/**
*
* @param data
* @param rowKeys
* @param columnKeys
* @return
*/
private Map parseDataForBarPage(double[][]data,String[]rowKeys,String[]columnKeys){
Map map = new HashMap() ;
double [][] pageData = null ;
String [] pageColumn = null ;
int sumColumnNum = columnKeys.length ; //
int indexNum = Config.getInt("image.export.pagesize", 10) ;//
int pageNum = sumColumnNum%indexNum==0 ? sumColumnNum/indexNum : sumColumnNum/indexNum+1 ; //
int rowNum = rowKeys.length ;
// log.debug("data.length="+data.length+"sumColumnNum="+sumColumnNum+" indexNum="+indexNum+" pageNum="+pageNum+" rowNum="+rowNum+" ");
//
for(int i=0 ; i<pageNum ; i++){
int columnNum = (sumColumnNum-i*indexNum)/indexNum>0 ? indexNum : (sumColumnNum-i*indexNum)%indexNum ;//
pageData = new double[rowNum][columnNum] ;
//
for(int j=0 ; j<rowNum ; j++){
pageColumn = new String[columnNum] ;
for(int k=0 ; k<columnNum ; k ++){
pageData[j][k] = data[j][k+i*indexNum] ; //
}
}
//
for(int j=0 ; j<columnNum ; j++){
pageColumn[j] = columnKeys[j+i*indexNum] ; //
}
//
map.put("data"+i, pageData) ;
map.put("rowKeys"+i, rowKeys) ;
map.put("columnKeys"+i, pageColumn) ;
}
//
map.put("pageNum", pageNum);
return map ;
}
/**
*
* @param data
* @param rowKeys
* @param columnKeys
* @return
*/
private Map parseDataForLinePage(double[][]data,String[]rowKeys,String[]columnKeys){
Map map = new HashMap() ;
double [][] pageData = null ;
String [] pageColumn = null ;
int sumColumnNum = columnKeys.length ; //
int indexNum = Config.getInt("image.export.pagesize", 10) ;//
int pageNum = sumColumnNum%indexNum==0 ? sumColumnNum/indexNum : sumColumnNum/indexNum+1 ; //
int rowNum = rowKeys.length ;
// log.debug("data.length="+data.length+"sumColumnNum="+sumColumnNum+" indexNum="+indexNum+" pageNum="+pageNum+" rowNum="+rowNum+" ");
//
for(int i=0 ; i<pageNum ; i++){
int columnNum = (sumColumnNum-i*indexNum)/indexNum>0 ? indexNum : (sumColumnNum-i*indexNum)%indexNum ;//
pageData = new double[rowNum][columnNum] ;
//
for(int j=0 ; j<rowNum ; j++){
pageColumn = new String[columnNum] ;
for(int k=0 ; k<columnNum ; k ++){
pageData[j][k] = data[j][k+i*indexNum] ; //
}
}
//
for(int j=0 ; j<columnNum ; j++){
pageColumn[j] = columnKeys[j+i*indexNum] ; //
}
//
map.put("data"+i, pageData) ;
map.put("rowKeys"+i, rowKeys) ;
map.put("columnKeys"+i, pageColumn) ;
}
//
map.put("pageNum", pageNum);
return map ;
}
/**
*
* @return
* @throws IOException
*/
public byte[] createSingleStackedBarChart(double[][]data,String[]rowKeys,String[]columnKeys , ChartEntity entity) throws IOException {
CategoryDataset dataset = getBarData(data, rowKeys, columnKeys);
JFreeChart chart = createStackedBarChart(dataset, entity);
byte[] bytes = this.createImage(chart, entity) ;
return bytes ;
}
// ,
private CategoryDataset getBarData(double[][] data, String[] rowKeys,
String[] columnKeys) {
return DatasetUtilities.createCategoryDataset(rowKeys, columnKeys, data);
}
/**
* ，
* @param chartPath
*/
private void isChartPathExist(String chartPath) {
File file = new File(chartPath);
if (!file.exists()) {
file.mkdirs();
}
}
/**
*
*
* @param chartTitle
* @param x
* @param y
* @param xyDataset
* @param charName
* @return
*/
private JFreeChart createTimeXYChar(CategoryDataset xyDataset,ChartEntity entity) {
JFreeChart chart = ChartFactory.createLineChart(
entity.getTitle(),
entity.getXname(),
entity.getYname(),
xyDataset,
PlotOrientation.VERTICAL,
true,
true,
false);
chart.setTextAntiAlias(false);
chart.setBackgroundPaint(Color.WHITE);
CategoryPlot categoryplot = (CategoryPlot) chart.getPlot();
//
this.configNoData(chart, " !") ;
// x //
categoryplot.setDomainGridlinesVisible(true);
// y //
categoryplot.setRangeGridlinesVisible(true);
categoryplot.setRangeGridlinePaint(Color.WHITE);//
categoryplot.setDomainGridlinePaint(Color.WHITE);//
categoryplot.setBackgroundPaint(Color.lightGray);
//
this.configFont(chart) ;
// x
CategoryAxis domainAxis = categoryplot.getDomainAxis();
//
domainAxis.setLowerMargin(0.0);
//
domainAxis.setUpperMargin(0.0);
domainAxis.setTickLabelPaint(Color.BLUE) ;
domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // label
NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
numberaxis.setAutoRangeIncludesZero(true);
// renderer lineandshaperenderer！！
LineAndShapeRenderer lineandshaperenderer = (LineAndShapeRenderer) categoryplot.getRenderer();
lineandshaperenderer.setBaseShapesVisible(true); // series （ ）
lineandshaperenderer.setBaseLinesVisible(true); // series （ ）
//
lineandshaperenderer.setBaseItemLabelGenerator(new
StandardCategoryItemLabelGenerator());
lineandshaperenderer.setBaseItemLabelsVisible(true);
return chart ;
}
/**
*
*
* @param dataset
* @param xName
* @param yName
* @param chartTitle
* @param charName
* @return
*/
private JFreeChart createStackedBarChart(CategoryDataset dataset, ChartEntity entity) {
JFreeChart chart = ChartFactory.createStackedBarChart3D(
entity.getTitle(),
entity.getXname(),
entity.getYname(),
dataset,
PlotOrientation.VERTICAL,
true,
false,
false );
//
this.configNoData(chart," !") ;
//
this.configFont(chart) ;
// Renderer
this.configBarRenderer(chart) ;
//
this.configOtherForBar(chart) ;
return chart ;
}
/**
*
* @param chart JFreeChart
*/
private void configFont(JFreeChart chart){
//
Font xfont = new Font(" ",Font.PLAIN,12) ;// X
Font yfont = new Font(" ",Font.PLAIN,12) ;// Y
Font kfont = new Font(" ",Font.PLAIN,12) ;//
Font titleFont = new Font(" ", Font.BOLD , 25) ; //
CategoryPlot plot = chart.getCategoryPlot();//
//
chart.setTitle(new TextTitle(chart.getTitle().getText(),titleFont));
//
chart.getLegend().setItemFont(kfont);
// X
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setLabelFont(xfont);//
domainAxis.setTickLabelFont(xfont);//
domainAxis.setTickLabelPaint(Color.BLUE) ; //
domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // label
// Y
ValueAxis rangeAxis = plot.getRangeAxis();
rangeAxis.setLabelFont(yfont);
rangeAxis.setLabelPaint(Color.BLUE) ; //
rangeAxis.setTickLabelFont(yfont);
}
/**
*
* @param chart
*/
private void configBarRenderer(JFreeChart chart){
CategoryPlot categoryplot = (CategoryPlot)chart.getPlot();
//
ExtendedStackedBarRenderer extendedstackedbarrenderer = new ExtendedStackedBarRenderer();
extendedstackedbarrenderer.setBaseItemLabelsVisible(true);
extendedstackedbarrenderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
extendedstackedbarrenderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
categoryplot.setRenderer(extendedstackedbarrenderer);
BarRenderer barrenderer = (BarRenderer)categoryplot.getRenderer();
barrenderer.setDrawBarOutline(false);
barrenderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
barrenderer.setBaseItemLabelsVisible(true);
barrenderer.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER));
barrenderer.setBaseNegativeItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER));
//
// barrenderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator("{2}",new DecimalFormat("0.0%")));
// barrenderer.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());
barrenderer.setItemLabelFont(new Font("Arial Unicode MS",Font.PLAIN,9));
barrenderer.setItemLabelsVisible(true);
// ，
// ItemLabelPosition itemLabelPositionFallback=new ItemLabelPosition(
// ItemLabelAnchor.OUTSIDE12,TextAnchor.BASELINE_LEFT,
// TextAnchor.HALF_ASCENT_LEFT,0D);
// barrenderer.setPositiveItemLabelPositionFallback(itemLabelPositionFallback);
// barrenderer.setNegativeItemLabelPositionFallback(itemLabelPositionFallback);
categoryplot.setRenderer(barrenderer) ;
}
/**
*
* @param chart
*/
private void configNoData(JFreeChart chart,String message){
CategoryPlot categoryplot = (CategoryPlot)chart.getPlot();
//
categoryplot.setNoDataMessage(message) ;
categoryplot.setNoDataMessageFont(new Font(" ",Font.BOLD,25)) ;
}
/**
*
* @param chart
*/
private void configOtherForBar(JFreeChart chart){
chart.setTextAntiAlias(false); //
chart.setBackgroundPaint(Color.WHITE); //
CategoryPlot plot = chart.getCategoryPlot();//
NumberAxis numberaxis = (NumberAxis) plot.getRangeAxis();
numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
numberaxis.setAutoRangeIncludesZero(true);
}
/**
*
* @param chart
* @param entity
* @return
* @throws IOException
*/
private byte[] createImage(JFreeChart chart , ChartEntity entity) throws IOException{
return ChartUtilities.encodeAsPNG(chart.createBufferedImage(entity.getWidth(), entity.getHeight())) ;
}
/**
*
* @param chart
* @param entity
* @throws IOException
*/
private void createImageFile(JFreeChart chart , ChartEntity entity) throws IOException{
FileOutputStream fos_jpg = null;
try {
isChartPathExist(CHART_PATH);
String chartName = CHART_PATH + entity.getFileName();
fos_jpg = new FileOutputStream(chartName);
ChartUtilities.writeChartAsJPEG(fos_jpg, chart, entity.getWidth(), entity.getHeight()) ;
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
fos_jpg.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
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