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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2023 Cloud Software Group, Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see
extends JRXlsAbstractExporter
{
/**
*
*/
protected List columnNames;
protected Map columnNamesMap;
protected int rowIndex;
boolean hasDefinedColumns;
Map currentRow;
Map repeatedValues;
/**
* @see #JRXlsAbstractMetadataExporter(JasperReportsContext)
*/
public JRXlsAbstractMetadataExporter()
{
this(DefaultJasperReportsContext.getInstance());
}
/**
*
*/
public JRXlsAbstractMetadataExporter(JasperReportsContext jasperReportsContext)
{
super(jasperReportsContext);
maxColumnIndex = 255;
}
@Override
protected void initExport()
{
super.initExport();
currentRow = new HashMap<>();//FIXMEEXPORT check these two
repeatedValues = new HashMap<>();
onePagePerSheetMap.clear();
sheetsBeforeCurrentReport = 0;
sheetsBeforeCurrentReportMap.clear();
}
@Override
protected void initReport()
{
super.initReport();
setColumnNames();
}
/**
*
*/
protected void setColumnNames()
{
String[] columnNamesArray = getCurrentItemConfiguration().getColumnNames();
hasDefinedColumns = (columnNamesArray != null && columnNamesArray.length > 0);
columnNames = new ArrayList<>();
columnNamesMap = new HashMap<>();
List columnNamesList = JRStringUtil.split(columnNamesArray, ",");
if (columnNamesList != null)
{
for (String columnName : columnNamesList)
{
if (!columnNamesMap.containsKey(columnName))
{
columnNames.add(columnName);
columnNamesMap.put(columnName, columnNames.size());
}
}
}
}
@Override
protected void exportReportToStream(OutputStream os) throws JRException, IOException
{
openWorkbook(os);
sheetNamesMap = new HashMap();
definedNamesMap = new HashMap();
boolean pageExported = false;
List items = exporterInput.getItems();
for(reportIndex = 0; reportIndex < items.size(); reportIndex++)
{
ExporterInputItem item = items.get(reportIndex);
setCurrentExporterInputItem(item);
defaultFont = new JRBasePrintText(jasperPrint.getDefaultStyleProvider());
if(!hasGlobalSheetNames())
{
sheetNamesIndex = 0;
}
XlsMetadataReportConfiguration configuration = getCurrentItemConfiguration();
configureDefinedNames(configuration.getDefinedNames());
List pages = jasperPrint.getPages();
if (pages != null && pages.size() > 0)
{
PageRange pageRange = getPageRange();
int startPageIndex = (pageRange == null || pageRange.getStartPageIndex() == null) ? 0 : pageRange.getStartPageIndex();
int endPageIndex = (pageRange == null || pageRange.getEndPageIndex() == null) ? (pages.size() - 1) : pageRange.getEndPageIndex();
if (onePagePerSheet)
{
for(pageIndex = startPageIndex; pageIndex <= endPageIndex; pageIndex++)
{
if (Thread.interrupted())
{
throw new ExportInterruptedException();
}
JRPrintPage page = pages.get(pageIndex);
pageFormat = jasperPrint.getPageFormat(pageIndex);
SheetInfo sheetInfo = getSheetInfo(configuration, null);
createSheet(sheetInfo);
// we need to count all sheets generated for all exported documents
sheetIndex++;
sheetNamesIndex++;
rowIndex = 0;
resetAutoFilters();
setFreezePane(sheetInfo.rowFreezeIndex, sheetInfo.columnFreezeIndex);
/* */
exportPage(page);
}
}
else
{
pageFormat = jasperPrint.getPageFormat(startPageIndex);
// Create the sheet before looping.
SheetInfo sheetInfo = getSheetInfo(configuration, jasperPrint.getName());
createSheet(sheetInfo);
// we need to count all sheets generated for all exported documents
sheetIndex++;
sheetNamesIndex++;
resetAutoFilters();
setFreezePane(sheetInfo.rowFreezeIndex, sheetInfo.columnFreezeIndex);
if (filter instanceof ResetableExporterFilter)
{
((ResetableExporterFilter)filter).reset();
}
for(pageIndex = startPageIndex; pageIndex <= endPageIndex; pageIndex++)
{
if (Thread.interrupted())
{
throw new ExportInterruptedException();
}
JRPrintPage page = pages.get(pageIndex);
pageFormat = jasperPrint.getPageFormat(pageIndex);
exportPage(page);
}
}
pageExported = true;
}
else if(reportIndex == items.size() -1 && !pageExported)
{
exportEmptyReport();
}
sheetsBeforeCurrentReport = onePagePerSheet ? sheetIndex : sheetsBeforeCurrentReport + 1;
}
closeWorkbook(os);
}
/**
*
*/
protected int exportPage(JRPrintPage page) throws JRException
{
XlsMetadataReportConfiguration configuration = getCurrentItemConfiguration();
List elements = page.getElements();
currentRow = new HashMap<>();
rowIndex += configuration.isWriteHeader() ? 1 : 0;
for (int i = 0; i < elements.size(); ++i)
{
JRPrintElement element = elements.get(i);
updateSheet(element);
String sheetName = element.getPropertiesMap().getProperty(PROPERTY_SHEET_NAME);
if(sheetName != null)
{
setSheetName(sheetName);
}
if (element instanceof JRPrintLine)
{
exportLine((JRPrintLine)element);
}
else if (element instanceof JRPrintRectangle)
{
exportRectangle((JRPrintRectangle)element);
}
else if (element instanceof JRPrintEllipse)
{
exportRectangle((JRPrintEllipse)element);
}
else if (element instanceof JRPrintImage)
{
exportImage((JRPrintImage) element);
}
else if (element instanceof JRPrintText)
{
exportText((JRPrintText)element);
}
else if (element instanceof JRPrintFrame)
{
exportFrame((JRPrintFrame) element);
}
else if (element instanceof JRGenericPrintElement)
{
exportGenericElement((JRGenericPrintElement) element);
}
String currentColumnName = element.getPropertiesMap().getProperty(PROPERTY_COLUMN_NAME);
String rowFreeze = getPropertiesUtil().getProperty(element, PROPERTY_FREEZE_ROW_EDGE);
int rowFreezeIndex = rowFreeze == null
? -1
: (EdgeEnum.BOTTOM.getName().equals(rowFreeze)
? rowIndex + 1
: rowIndex
);
String columnFreeze = getPropertiesUtil().getProperty(element, PROPERTY_FREEZE_COLUMN_EDGE);
int columnFreezeIndex = columnFreeze == null
? -1
: (EdgeEnum.RIGHT.getName().equals(columnFreeze)
? columnNamesMap.get(currentColumnName) + 1
: columnNamesMap.get(currentColumnName)
);
if(rowFreezeIndex > 0 || columnFreezeIndex > 0)
{
setFreezePane(rowFreezeIndex, columnFreezeIndex);
}
}
if(columnNames.size() > maxColumnIndex+1)
{
throw
new JRException(
EXCEPTION_MESSAGE_KEY_COLUMN_INDEX_BEYOND_LIMIT,
new Object[]{columnNames.size(), maxColumnIndex+1});
}
// write last row
if (columnNames.size() > 0)
{
if(rowIndex == 1 && getCurrentItemConfiguration().isWriteHeader()) {
writeReportHeader();
}
writeCurrentRow(currentRow, repeatedValues);
}
if(autoFilterStart != null)
{
setAutoFilter(autoFilterStart + ":" + (autoFilterEnd != null ? autoFilterEnd : autoFilterStart));
}
else if(autoFilterEnd != null)
{
setAutoFilter(autoFilterEnd + ":" + autoFilterEnd);
}
setRowLevels(null, null);
JRExportProgressMonitor progressMonitor = configuration.getProgressMonitor();
if (progressMonitor != null)
{
progressMonitor.afterPageExport();
}
return 0;
}
@Override
protected JRStyledText getStyledText(JRPrintText textElement)
{
return textElement.getFullStyledText(noneSelector);
}
@Override
protected int getImageBorderCorrection(JRPen pen)
{
float lineWidth = pen.getLineWidth();
if (lineWidth > 0f)
{
if (lineWidth >= 2f)
{
return 2;
}
return 1;
}
return imageBorderFixEnabled ? 1 : 0;
}
/**
*
*/
@Override
protected String getSheetName(String sheetName)
{
if (sheetNames != null && sheetNamesIndex < sheetNames.length)
{
sheetName = sheetNames[sheetNamesIndex];
}
if (sheetName == null)
{
// no sheet name was specified or if it was null
return "Page " + (sheetIndex + 1);
}
// sheet name specified; assuming it is first occurrence
int crtIndex = 1;
String txtIndex = "";
if(sheetNamesMap.containsKey(sheetName))
{
// sheet names must be unique; altering sheet name using number of occurrences
crtIndex = sheetNamesMap.get(sheetName) + 1;
txtIndex = String.valueOf(crtIndex);
}
sheetNamesMap.put(sheetName, crtIndex);
String name = sheetName;
if(txtIndex.length() > 0)
{
name += " " + txtIndex;
}
if (name.length() > 31)
{
name = (sheetName + " ").substring(0, 31 - txtIndex.length()) + txtIndex;
}
return name;
}
private SheetInfo getSheetInfo(XlsMetadataReportConfiguration configuration, String name)
{
SheetInfo sheetInfo = new SheetInfo();
sheetInfo.sheetName = getSheetName(name);
sheetInfo.rowFreezeIndex = configuration.getFreezeRow() == null ? -1 : configuration.getFreezeRow();
sheetInfo.columnFreezeIndex = configuration.getFreezeColumn() == null ? -1 : getColumnIndex(configuration.getFreezeColumn());
sheetInfo.ignoreCellBackground = configuration.isIgnoreCellBackground();
sheetInfo.ignoreCellBorder = configuration.isIgnoreCellBorder();
sheetInfo.whitePageBackground = configuration.isWhitePageBackground();
sheetInfo.sheetFirstPageIndex = pageIndex;
sheetInfo.sheetFirstPageNumber = configuration.getFirstPageNumber();
sheetInfo.sheetPageScale = configuration.getPageScale();
sheetInfo.sheetShowGridlines = configuration.isShowGridLines() ;
sheetInfo.tabColor = configuration.getSheetTabColor();
sheetInfo.columnWidthRatio = configuration.getColumnWidthRatio();
return sheetInfo;
}
@Override
protected String getFormula(JRPrintText text)
{
String formula = text.getPropertiesMap().getProperty(PROPERTY_CELL_FORMULA);
if( formula != null)
{
formula = formula.trim();
if(formula.startsWith("="))
{
formula = formula.substring(1);
}
}
return formula;
}
/**
* Compares the highest index of the currentRow's columns with the index of the column to be inserted
* to determine if the current column is read in the proper order
*
* @param currentRow
* @param currentColumnName
*/
protected boolean isColumnReadOnTime(Map currentRow, String currentColumnName)
{
int indexOfLastFilledColumn = -1;
Set currentlyFilledColumns = currentRow.keySet();
for (String column: currentlyFilledColumns)
{
indexOfLastFilledColumn = Math.max(indexOfLastFilledColumn, columnNames.indexOf(column));
}
return indexOfLastFilledColumn < columnNames.indexOf(currentColumnName);
}
@Override
protected void exportText(JRPrintText text, JRExporterGridCell cell, int colIndex, int rowIndex) throws JRException
{
}
@Override
public void exportImage(JRPrintImage image, JRExporterGridCell cell, int colIndex, int rowIndex, int emptyCols, int yCutsRow, JRGridLayout layout) throws JRException
{
}
@Override
protected void exportRectangle(JRPrintGraphicElement element, JRExporterGridCell cell, int colIndex, int rowIndex) throws JRException
{
}
@Override
protected void exportLine(JRPrintLine line, JRExporterGridCell cell, int colIndex, int rowIndex) throws JRException
{
}
@Override
protected void exportFrame(JRPrintFrame frame, JRExporterGridCell cell, int colIndex, int rowIndex) throws JRException
{
}
@Override
protected void exportGenericElement(JRGenericPrintElement element, JRExporterGridCell cell, int colIndex, int rowIndex, int emptyCols, int yCutsRow, JRGridLayout layout) throws JRException
{
}
@Override
protected void addBlankCell(JRExporterGridCell gridCell, int colIndex, int rowIndex) throws JRException
{
}
@Override
protected void addOccupiedCell(OccupiedGridCell occupiedGridCell, int colIndex, int rowIndex) throws JRException
{
}
// protected void setCell(JRExporterGridCell gridCell, int x, int y)
// {
// }
@Override
protected abstract ExporterNature getNature();
@Override
protected abstract void openWorkbook(OutputStream os) throws JRException;
@Override
protected void createSheet(CutsInfo xCuts, SheetInfo sheetInfo)
{
createSheet(sheetInfo);
}
protected abstract void createSheet(SheetInfo sheetInfo);
@Override
protected abstract void closeWorkbook(OutputStream os) throws JRException;
protected void setColumnWidth(int col, int width)
{
setColumnWidth(col, width, false);
}
@Override
protected abstract void setColumnWidth(int col, int width, boolean autoFit);
protected void setRowHeight(int rowIndex, int lastRowHeight) throws JRException
{
setRowHeight(rowIndex, lastRowHeight, null, null);
}
@Override
protected abstract void setRowHeight(int rowIndex, int lastRowHeight, Cut yCut, XlsRowLevelInfo levelInfo) throws JRException;
protected abstract void exportText(JRPrintText textElement) throws JRException;
public abstract void exportImage(JRPrintImage image) throws JRException;
protected abstract void exportRectangle(JRPrintGraphicElement element) throws JRException;
protected abstract void exportLine(JRPrintLine line) throws JRException;
protected abstract void exportFrame(JRPrintFrame frame) throws JRException;
protected abstract void exportGenericElement(JRGenericPrintElement element) throws JRException;
protected abstract void writeCurrentRow(Map currentRow, Map repeatedValues) throws JRException;
protected abstract void writeReportHeader() throws JRException;
protected abstract void updateSheet(JRPrintElement element);
}