Testcase for bug

Main.java (text/plain), 5.27 KB, created by Arif Shaikh on 2016-03-08 09:05:54 UTC

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Description: Testcase for bug

Filename:

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Creator: Arif Shaikh

Created: 2016-03-08 09:05:54 UTC

Size: 5.27 KB

patch

obsolete

>package com.company; > >import org.apache.poi.POIXMLDocumentPart; >import org.apache.poi.ss.util.CellRangeAddress; >import org.apache.poi.ss.util.CellReference; >import org.apache.poi.xslf.usermodel.XMLSlideShow; >import org.apache.poi.xslf.usermodel.XSLFChart; >import org.apache.poi.xslf.usermodel.XSLFSlide; >import org.apache.poi.xssf.usermodel.XSSFRow; >import org.apache.poi.xssf.usermodel.XSSFSheet; >import org.apache.poi.xssf.usermodel.XSSFWorkbook; >import org.openxmlformats.schemas.drawingml.x2006.chart.*; >import org.openxmlformats.schemas.drawingml.x2006.main.CTTextBody; >import org.openxmlformats.schemas.drawingml.x2006.main.CTTextParagraph; > >import java.io.FileInputStream; >import java.io.FileOutputStream; >import java.io.IOException; >import java.io.OutputStream; >import java.util.HashMap; >import java.util.Map; > >public class Main { > > public static void main(String[] args) { > String inputPath = "excel_writing_bug.pptx"; > String outputPath = "excel_writing_bug_output.pptx"; > int slideNumber = 1; > String templateChartTitle = "Title"; > String newChartTitle = "Title updated"; > Map<String, Double> chartValues = new HashMap<>(); > chartValues.put("Windows", 5d); > chartValues.put("Solaris", 2d); > chartValues.put("Unix", 8d); > chartValues.put("Linux", 5d); > try { > updateBarChartTemplate(inputPath, outputPath, slideNumber, templateChartTitle, newChartTitle, chartValues); > } catch (IOException e) { > e.printStackTrace(); > } > } > > public static void updateBarChartTemplate(String inputPath, String outputPath, int slideNumber, String templateChartTitle, String newChartTitle, Map<String, Double> chartValues) > throws IllegalStateException, IOException{ > > XMLSlideShow pptx = null; > try { > pptx = new XMLSlideShow(new FileInputStream(inputPath)); > XSLFChart chart = getChartFromTitle(inputPath, slideNumber, templateChartTitle); > if (chart == null) throw new IllegalStateException("chart not found in the template"); > // embedded Excel workbook that holds the chart data > POIXMLDocumentPart xlsPart = chart.getRelations().get(0); > XSSFWorkbook wb = new XSSFWorkbook(); > OutputStream xlsOut = null; > try { > XSSFSheet sheet = wb.createSheet(); > > CTChart ctChart = chart.getCTChart(); > > > CTPlotArea plotArea = ctChart.getPlotArea(); > > CTBarChart barChart = plotArea.getBarChartArray(0); > //Bar Chart Series > CTBarSer ser = barChart.getSerArray(0); > > // Series Text > CTSerTx tx = ser.getTx(); > tx.getStrRef().getStrCache().getPtArray(0).setV(newChartTitle); > sheet.createRow(0).createCell(1).setCellValue(newChartTitle); > String titleRef = new CellReference(sheet.getSheetName(), 0, 1, true, true).formatAsString(); > tx.getStrRef().setF(titleRef); > > // Category Axis Data > CTAxDataSource cat = ser.getCat(); > CTStrData strData = cat.getStrRef().getStrCache(); > > // Values > CTNumDataSource val = ser.getVal(); > CTNumData numData = val.getNumRef().getNumCache(); > > strData.setPtArray(null); // unset old axis text > numData.setPtArray(null); // unset old values > > // set model > int idx = 0; > int rownum = 1; > > for (Map.Entry<String, Double> entry : chartValues.entrySet()) { > String key = entry.getKey(); > String value = String.valueOf(entry.getValue()); > CTNumVal numVal = numData.addNewPt(); > numVal.setIdx(idx); > numVal.setV(value); > > CTStrVal sVal = strData.addNewPt(); > sVal.setIdx(idx); > sVal.setV(key); > > idx++; > XSSFRow row = sheet.createRow(rownum++); > row.createCell(0).setCellValue(key); > row.createCell(1).setCellValue(Double.valueOf(value)); > } > numData.getPtCount().setVal(idx); > strData.getPtCount().setVal(idx); > > String numDataRange = new CellRangeAddress(1, rownum - 1, 1, 1).formatAsString(sheet.getSheetName(), true); > val.getNumRef().setF(numDataRange); > String axisDataRange = new CellRangeAddress(1, rownum - 1, 0, 0).formatAsString(sheet.getSheetName(), true); > cat.getStrRef().setF(axisDataRange); > > // updated the embedded workbook with the data > xlsOut = xlsPart.getPackagePart().getOutputStream(); > try { > wb.write(xlsOut); > } finally { > xlsOut.close(); > } > FileOutputStream fos = new FileOutputStream(outputPath); > try { > pptx.write(fos); > } finally { > fos.close(); > } > } finally { > wb.close(); > } > } finally { > if (pptx != null) pptx.close(); > } > } > > public static XSLFChart getChartFromTitle(String inputPath, int slideNumber, String templateChartTitle) throws IOException { > XMLSlideShow pptx = null; > try { > pptx = new XMLSlideShow(new FileInputStream(inputPath)); > > XSLFSlide slide = pptx.getSlides().get(slideNumber - 1); > // find chart in the slide > XSLFChart chart = null; > for (POIXMLDocumentPart part : slide.getRelations()) { > if (part instanceof XSLFChart) { > chart = (XSLFChart) part; > CTChart ctChart = chart.getCTChart(); > > CTTitle ctTitle = ctChart.getTitle(); > CTTx titleTx = ctTitle.getTx(); > CTTextBody body = titleTx.getRich(); > CTTextParagraph paragraph = body.getPArray(0); > String chartTitle = paragraph.getRArray(0).getT(); > > if (chartTitle.equalsIgnoreCase(templateChartTitle)) { > break; > } else { > chart = null; > } > } > } > return chart; > } finally { > if (pptx != null) pptx.close(); > } > } >} View Attachment As Raw

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