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jXLS is a small and easy-to-use Java library for generating Excel files using XLS templates
package net.sf.jxls.util;
import net.sf.jxls.transformer.*;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellReference;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.InvocationTargetException;
import java.util.*;
import java.util.regex.Pattern;
/**
* This class contains many utility methods used by jXLS framework
*
* @author Leonid Vysochyn
* @author Vincent Dutat
*/
public final class Util {
protected static final Log log = LogFactory.getLog(Util.class);
private static final String[][] ENTITY_ARRAY = { { "quot", "34" }, // " -
// double
// -
// quote
{ "amp", "38" }, // & - ampersand
{ "lt", "60" }, // < - less-than
{ "gt", "62" }, // > - greater-than
{ "apos", "39" } // XML apostrophe
};
private static Map xmlEntities = new HashMap();
static {
for (int i = 0; i < ENTITY_ARRAY.length; i++) {
xmlEntities.put(ENTITY_ARRAY[i][1], ENTITY_ARRAY[i][0]);
}
}
public static void removeRowCollectionPropertiesFromRow(
RowCollection rowCollection) {
int startRow = rowCollection.getParentRow().getPoiRow().getRowNum();
Sheet sheet = rowCollection.getParentRow().getSheet()
.getPoiSheet();
for (int i = 0, c = rowCollection.getDependentRowNumber(); i <= c; i++) {
org.apache.poi.ss.usermodel.Row hssfRow = sheet.getRow(startRow + i);
if (hssfRow.getFirstCellNum() >= 0 && hssfRow.getLastCellNum() >= 0) {
for (int j = hssfRow.getFirstCellNum(), c2 = hssfRow.getLastCellNum(); j <= c2; j++) {
org.apache.poi.ss.usermodel.Cell cell = hssfRow.getCell(j);
removeRowCollectionPropertyFromCell(cell, rowCollection
.getCollectionProperty().getFullCollectionName());
}
}
}
}
private static void removeRowCollectionPropertyFromCell(org.apache.poi.ss.usermodel.Cell cell,
String collectionName) {
String regex = "[-+*/().A-Za-z_0-9\\s]*";
if (cell != null && cell.getCellType() == org.apache.poi.ss.usermodel.Cell.CELL_TYPE_STRING) {
String cellValue = cell.getRichStringCellValue().getString();
String strToReplace = "\\$\\{" + regex
+ collectionName.replaceAll("\\.", "\\\\.") + "\\." + regex
+ "\\}";
cell.setCellValue(cell.getSheet().getWorkbook().getCreationHelper().createRichTextString(cellValue.replaceAll(
strToReplace, "")));
}
}
/**
* Removes merged region from sheet
*
* @param sheet
* @param region
*/
public static void removeMergedRegion(Sheet sheet,
CellRangeAddress region) {
int index = getMergedRegionIndex(sheet, region);
if (index >= 0) {
sheet.removeMergedRegion(index);
}
}
/**
* returns merged region index
*
* @param sheet
* @param mergedRegion
* @return index of mergedRegion or -1 if the region not found
*/
private static int getMergedRegionIndex(Sheet sheet,
CellRangeAddress mergedRegion) {
for (int i = 0, c = sheet.getNumMergedRegions(); i < c; i++) {
CellRangeAddress region = getMergedRegion(sheet, i);
if (areRegionsEqual(region, mergedRegion)) {
return i;
}
}
return -1;
}
public static boolean areRegionsEqual(CellRangeAddress region1,
CellRangeAddress region2) {
if ((region1 == null && region2 != null)
|| (region1 != null && region2 == null)) {
return false;
}
if (region1 == null) {
return true;
}
return (region1.getFirstColumn() == region2.getFirstColumn()
&& region1.getLastColumn() == region2.getLastColumn()
&& region1.getFirstRow() == region2.getFirstRow() && region2
.getLastRow() == region2.getLastRow());
}
private static CellRangeAddress getMergedRegion(Sheet sheet, int i) {
CellRangeAddress region = sheet.getMergedRegion(i);
return region;
}
protected static boolean isNewMergedRegion(CellRangeAddress region,
Collection mergedRegions) {
for (Iterator iterator = mergedRegions.iterator(); iterator.hasNext();) {
CellRangeAddress cellRangeAddress = (CellRangeAddress) iterator
.next();
if (areRegionsEqual(cellRangeAddress, region)) {
return false;
}
}
return true;
}
public static CellRangeAddress getMergedRegion(Sheet sheet, int rowNum, int cellNum) {
for (int i = 0, c = sheet.getNumMergedRegions(); i < c; i++) {
CellRangeAddress merged = getMergedRegion(sheet, i);
if (isRangeContainsCell(merged, rowNum, cellNum)) {
return merged;
}
}
return null;
}
public static boolean isRangeContainsCell(CellRangeAddress range, int row, int col) {
if ((range.getFirstRow() <= row) && (range.getLastRow() >= row)
&& (range.getFirstColumn() <= col)
&& (range.getLastColumn() >= col)) {
return true;
}
return false;
}
public static boolean removeMergedRegion(Sheet sheet, int rowNum,
int cellNum) {
Set mergedRegionNumbersToRemove = new TreeSet();
for (int i = 0, c = sheet.getNumMergedRegions(); i < c; i++) {
CellRangeAddress merged = getMergedRegion(sheet, i);
if (isRangeContainsCell(merged, rowNum, cellNum)) {
mergedRegionNumbersToRemove.add(i);
}
}
for (Iterator iterator = mergedRegionNumbersToRemove.iterator(); iterator
.hasNext();) {
Integer regionNumber = (Integer) iterator.next();
sheet.removeMergedRegion(regionNumber.intValue());
}
return !mergedRegionNumbersToRemove.isEmpty();
}
public static void prepareCollectionPropertyInRowForDuplication(
RowCollection rowCollection, String collectionItemName) {
int startRow = rowCollection.getParentRow().getPoiRow().getRowNum();
Sheet sheet = rowCollection.getParentRow().getSheet()
.getPoiSheet();
for (int i = 0, c = rowCollection.getDependentRowNumber(); i <= c; i++) {
org.apache.poi.ss.usermodel.Row hssfRow = sheet.getRow(startRow + i);
if (hssfRow.getFirstCellNum() >= 0 && hssfRow.getLastCellNum() >= 0) {
for (int j = hssfRow.getFirstCellNum(), c2 = hssfRow.getLastCellNum(); j <= c2; j++) {
org.apache.poi.ss.usermodel.Cell cell = hssfRow.getCell(j);
prepareCollectionPropertyInCellForDuplication(cell,
rowCollection.getCollectionProperty()
.getFullCollectionName(), collectionItemName);
}
}
}
}
private static void prepareCollectionPropertyInCellForDuplication(
org.apache.poi.ss.usermodel.Cell cell, String collectionName, String collectionItemName) {
if (cell != null && cell.getCellType() == org.apache.poi.ss.usermodel.Cell.CELL_TYPE_STRING) {
String cellValue = cell.getRichStringCellValue().getString();
String newValue = replaceCollectionProperty(cellValue,
collectionName, collectionItemName);
// String newValue = cellValue.replaceFirst(collectionName,
// collectionItemName);
cell.setCellValue(cell.getSheet().getWorkbook().getCreationHelper().createRichTextString(newValue));
}
}
private static String replaceCollectionProperty(String property,
String collectionName, String newValue) {
return property.replaceAll(collectionName, newValue);
}
public static void prepareCollectionPropertyInRowForContentDuplication(
RowCollection rowCollection) {
for (int i = 0, c = rowCollection.getCells().size(); i < c; i++) {
net.sf.jxls.parser.Cell cell = (net.sf.jxls.parser.Cell) rowCollection.getCells().get(i);
prepareCollectionPropertyInCellForDuplication(cell.getPoiCell(),
rowCollection.getCollectionProperty()
.getFullCollectionName(), rowCollection
.getCollectionItemName());
}
}
public static void duplicateRowCollectionProperty(
RowCollection rowCollection) {
Collection collection = rowCollection.getCollectionProperty()
.getCollection();
int rowNum = rowCollection.getParentRow().getPoiRow().getRowNum();
org.apache.poi.ss.usermodel.Row srcRow = rowCollection.getParentRow().getPoiRow();
Sheet sheet = rowCollection.getParentRow().getSheet()
.getPoiSheet();
if (collection.size() > 1) {
for (int i = 1, c = collection.size(); i < c; i++) {
org.apache.poi.ss.usermodel.Row destRow = sheet.getRow(rowNum + i);
for (int j = 0; j < rowCollection.getCells().size(); j++) {
net.sf.jxls.parser.Cell cell = (net.sf.jxls.parser.Cell) rowCollection.getCells().get(j);
if (!cell.isEmpty()) {
org.apache.poi.ss.usermodel.Cell destCell = destRow.getCell(cell.getPoiCell()
.getColumnIndex());
if (destCell == null) {
destCell = destRow.createCell(cell.getPoiCell()
.getColumnIndex());
}
copyCell(srcRow.getCell(cell.getPoiCell()
.getColumnIndex()), destCell, false);
}
}
}
}
}
public static int duplicateRow(RowCollection rowCollection) {
Collection collection = rowCollection.getCollectionProperty()
.getCollection();
int row = rowCollection.getParentRow().getPoiRow().getRowNum();
Sheet sheet = rowCollection.getParentRow().getSheet()
.getPoiSheet();
if (collection.size() > 1) {
if (rowCollection.getDependentRowNumber() == 0) {
shiftRows(sheet, row + 1, sheet.getLastRowNum(), collection
.size() - 1);
duplicateStyle(rowCollection, row, row + 1,
collection.size() - 1);
shiftUncoupledCellsUp(rowCollection);
} else {
for (int i = 0, c = collection.size() - 1; i < c; i++) {
shiftCopyRowCollection(rowCollection);
}
shiftUncoupledCellsUp(rowCollection);
}
}
return (collection.size() - 1)
* (rowCollection.getDependentRowNumber() + 1);
}
private static void shiftCopyRowCollection(RowCollection rowCollection) {
Sheet hssfSheet = rowCollection.getParentRow().getSheet()
.getPoiSheet();
int startRow = rowCollection.getParentRow().getPoiRow().getRowNum();
int num = rowCollection.getDependentRowNumber();
shiftRows(hssfSheet, startRow + num + 1, hssfSheet.getLastRowNum(),
num + 1);
copyRowCollection(rowCollection);
}
private static void copyRowCollection(RowCollection rowCollection) {
Sheet sheet = rowCollection.getParentRow().getSheet()
.getPoiSheet();
int from = rowCollection.getParentRow().getPoiRow().getRowNum();
int num = rowCollection.getDependentRowNumber() + 1;
int to = from + num;
Set mergedRegions = new HashSet();
for (int i = from; i < to; i++) {
org.apache.poi.ss.usermodel.Row srcRow = sheet.getRow(i);
org.apache.poi.ss.usermodel.Row destRow = sheet.getRow(to + i - from);
if (destRow == null) {
destRow = sheet.createRow(to + i - from);
}
if (srcRow.getHeight() >= 0) {
destRow.setHeight(srcRow.getHeight());
}
if (srcRow.getFirstCellNum() >= 0 && srcRow.getLastCellNum() >= 0) {
for (int j = srcRow.getFirstCellNum(), c2 = srcRow.getLastCellNum(); j <= c2; j++) {
org.apache.poi.ss.usermodel.Cell srcCell = srcRow.getCell(j);
if (srcCell != null) {
org.apache.poi.ss.usermodel.Cell destCell = destRow.createCell(j);
copyCell(srcCell, destCell, true);
CellRangeAddress mergedRegion = getMergedRegion(sheet, i, j);
if (mergedRegion != null) {
CellRangeAddress newMergedRegion = new CellRangeAddress(
to - from + mergedRegion.getFirstRow(), to
- from + mergedRegion.getLastRow(),
mergedRegion.getFirstColumn(), mergedRegion
.getLastColumn());
if (isNewMergedRegion(newMergedRegion, mergedRegions)) {
mergedRegions.add(newMergedRegion);
}
}
}
}
}
}
// set merged regions
for (Iterator iterator = mergedRegions.iterator(); iterator.hasNext();) {
CellRangeAddress region = (CellRangeAddress) iterator.next();
sheet.addMergedRegion(region);
}
}
private static void shiftUncoupledCellsUp(RowCollection rowCollection) {
net.sf.jxls.transformer.Row row = rowCollection.getParentRow();
if (row.getCells().size() > rowCollection.getCells().size()) {
for (int i = 0; i < row.getCells().size(); i++) {
net.sf.jxls.parser.Cell cell = (net.sf.jxls.parser.Cell) row.getCells().get(i);
if (!rowCollection.containsCell(cell)) {
shiftColumnUp(cell, row.getPoiRow().getRowNum()
+ rowCollection.getCollectionProperty()
.getCollection().size(), rowCollection
.getCollectionProperty().getCollection().size() - 1);
}
}
}
}
private static void shiftColumnUp(net.sf.jxls.parser.Cell cell, int startRow, int shiftNumber) {
Sheet sheet = cell.getRow().getSheet().getPoiSheet();
int cellNum = cell.getPoiCell().getColumnIndex();
List hssfMergedRegions = new ArrayList();
// find all merged regions in this area
for (int i = startRow, c = sheet.getLastRowNum(); i <= c; i++) {
CellRangeAddress region = getMergedRegion(sheet, i, cellNum);
if (region != null && isNewMergedRegion(region, hssfMergedRegions)) {
hssfMergedRegions.add(region);
}
}
// move all related cells up
for (int i = startRow; i <= sheet.getLastRowNum(); i++) {
if (sheet.getRow(i).getCell(cellNum) != null) {
org.apache.poi.ss.usermodel.Cell destCell = sheet.getRow(i - shiftNumber).getCell(
cellNum);
if (destCell == null) {
destCell = sheet.getRow(i - shiftNumber)
.createCell(cellNum);
}
moveCell(sheet.getRow(i).getCell(cellNum), destCell);
}
}
// remove previously shifted merged regions in this area
for (Iterator iterator = hssfMergedRegions.iterator(); iterator
.hasNext();) {
removeMergedRegion(sheet, (CellRangeAddress) iterator.next());
}
// set merged regions for shifted cells
for (Iterator iterator = hssfMergedRegions.iterator(); iterator
.hasNext();) {
CellRangeAddress region = (CellRangeAddress) iterator.next();
CellRangeAddress newRegion = new CellRangeAddress(region
.getFirstRow()
- shiftNumber, region.getLastRow() - shiftNumber, region
.getFirstColumn(), region.getLastColumn());
sheet.addMergedRegion(newRegion);
}
// remove moved cells
int i = sheet.getLastRowNum();
while (sheet.getRow(i).getCell(cellNum) == null && i >= startRow) {
i--;
}
for (int j = 0; j < shiftNumber && i >= startRow; j++, i--) {
if (sheet.getRow(i).getCell(cellNum) != null) {
sheet.getRow(i).removeCell(sheet.getRow(i).getCell(cellNum));
}
}
}
private static void moveCell(org.apache.poi.ss.usermodel.Cell srcCell, org.apache.poi.ss.usermodel.Cell destCell) {
destCell.setCellStyle(srcCell.getCellStyle());
switch (srcCell.getCellType()) {
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_STRING:
destCell.setCellValue(srcCell.getRichStringCellValue());
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_NUMERIC:
destCell.setCellValue(srcCell.getNumericCellValue());
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_BLANK:
destCell.setCellType(org.apache.poi.ss.usermodel.Cell.CELL_TYPE_BLANK);
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_BOOLEAN:
destCell.setCellValue(srcCell.getBooleanCellValue());
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_ERROR:
destCell.setCellErrorValue(srcCell.getErrorCellValue());
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_FORMULA:
break;
default:
break;
}
srcCell.setCellType(org.apache.poi.ss.usermodel.Cell.CELL_TYPE_BLANK);
}
private static void duplicateStyle(RowCollection rowCollection,
int rowToCopy, int startRow, int num) {
Sheet sheet = rowCollection.getParentRow().getSheet()
.getPoiSheet();
Set mergedRegions = new HashSet();
org.apache.poi.ss.usermodel.Row srcRow = sheet.getRow(rowToCopy);
for (int i = startRow; i < startRow + num; i++) {
org.apache.poi.ss.usermodel.Row destRow = sheet.getRow(i);
if (destRow == null) {
destRow = sheet.createRow(i);
}
if (srcRow.getHeight() >= 0) {
destRow.setHeight(srcRow.getHeight());
}
for (int j = 0, c2 = rowCollection.getCells().size(); j < c2; j++) {
net.sf.jxls.parser.Cell cell = (net.sf.jxls.parser.Cell) rowCollection.getCells().get(j);
org.apache.poi.ss.usermodel.Cell hssfCell = cell.getPoiCell();
if (hssfCell != null) {
org.apache.poi.ss.usermodel.Cell newCell = destRow.createCell(hssfCell
.getColumnIndex());
copyCell(hssfCell, newCell, true);
CellRangeAddress mergedRegion = getMergedRegion(sheet,
rowToCopy, hssfCell.getColumnIndex());
if (mergedRegion != null) {
CellRangeAddress newMergedRegion = new CellRangeAddress(
i, i + mergedRegion.getLastRow()
- mergedRegion.getFirstRow(),
mergedRegion.getFirstColumn(), mergedRegion
.getLastColumn());
if (isNewMergedRegion(newMergedRegion, mergedRegions)) {
mergedRegions.add(newMergedRegion);
sheet.addMergedRegion(newMergedRegion);
}
}
}
}
}
}
public static void copyRow(Sheet sheet, org.apache.poi.ss.usermodel.Row oldRow, org.apache.poi.ss.usermodel.Row newRow) {
Set mergedRegions = new HashSet();
if (oldRow.getHeight() >= 0) {
newRow.setHeight(oldRow.getHeight());
}
if (oldRow.getFirstCellNum() >= 0 && oldRow.getLastCellNum() >= 0) {
for (int j = oldRow.getFirstCellNum(), c = oldRow.getLastCellNum(); j <= c; j++) {
org.apache.poi.ss.usermodel.Cell oldCell = oldRow.getCell(j);
org.apache.poi.ss.usermodel.Cell newCell = newRow.getCell(j);
if (oldCell != null) {
if (newCell == null) {
newCell = newRow.createCell(j);
}
copyCell(oldCell, newCell, true);
CellRangeAddress mergedRegion = getMergedRegion(sheet, oldRow
.getRowNum(), oldCell.getColumnIndex());
if (mergedRegion != null) {
CellRangeAddress newMergedRegion = new CellRangeAddress(
newRow.getRowNum(), newRow.getRowNum()
+ mergedRegion.getLastRow()
- mergedRegion.getFirstRow(), mergedRegion
.getFirstColumn(), mergedRegion
.getLastColumn());
if (isNewMergedRegion(newMergedRegion, mergedRegions)) {
mergedRegions.add(newMergedRegion);
sheet.addMergedRegion(newMergedRegion);
}
}
}
}
}
}
public static void copyRow(Sheet srcSheet, Sheet destSheet,
org.apache.poi.ss.usermodel.Row srcRow, org.apache.poi.ss.usermodel.Row destRow) {
Set mergedRegions = new TreeSet();
if (srcRow.getHeight() >= 0) {
destRow.setHeight(srcRow.getHeight());
}
if (srcRow.getFirstCellNum() >= 0 && srcRow.getLastCellNum() >= 0) {
for (int j = srcRow.getFirstCellNum(), c = srcRow.getLastCellNum(); j <= c; j++) {
org.apache.poi.ss.usermodel.Cell oldCell = srcRow.getCell(j);
org.apache.poi.ss.usermodel.Cell newCell = destRow.getCell(j);
if (oldCell != null) {
if (newCell == null) {
newCell = destRow.createCell(j);
}
copyCell(oldCell, newCell, true);
CellRangeAddress mergedRegion = getMergedRegion(srcSheet,
srcRow.getRowNum(), oldCell.getColumnIndex());
if (mergedRegion != null) {
// Region newMergedRegion = new Region( destRow.getRowNum(),
// mergedRegion.getColumnFrom(),
// destRow.getRowNum() + mergedRegion.getRowTo() -
// mergedRegion.getRowFrom(), mergedRegion.getColumnTo() );
CellRangeAddress newMergedRegion = new CellRangeAddress(
mergedRegion.getFirstRow(), mergedRegion
.getLastRow(), mergedRegion
.getFirstColumn(), mergedRegion
.getLastColumn());
if (isNewMergedRegion(newMergedRegion, mergedRegions)) {
mergedRegions.add(newMergedRegion);
destSheet.addMergedRegion(newMergedRegion);
}
}
}
}
}
}
public static void copyRow(Sheet srcSheet, Sheet destSheet,
org.apache.poi.ss.usermodel.Row srcRow, org.apache.poi.ss.usermodel.Row destRow, String expressionToReplace,
String expressionReplacement) {
Set mergedRegions = new HashSet();
if (srcRow.getHeight() >= 0) {
destRow.setHeight(srcRow.getHeight());
}
if (srcRow.getFirstCellNum() >= 0 && srcRow.getLastCellNum() >= 0) {
for (int j = srcRow.getFirstCellNum(), c = srcRow.getLastCellNum(); j <= c; j++) {
org.apache.poi.ss.usermodel.Cell oldCell = srcRow.getCell(j);
org.apache.poi.ss.usermodel.Cell newCell = destRow.getCell(j);
if (oldCell != null) {
if (newCell == null) {
newCell = destRow.createCell(j);
}
copyCell(oldCell, newCell, true, expressionToReplace,
expressionReplacement);
CellRangeAddress mergedRegion = getMergedRegion(srcSheet,
srcRow.getRowNum(), oldCell.getColumnIndex());
if (mergedRegion != null) {
// Region newMergedRegion = new Region( destRow.getRowNum(),
// mergedRegion.getColumnFrom(),
// destRow.getRowNum() + mergedRegion.getRowTo() -
// mergedRegion.getRowFrom(), mergedRegion.getColumnTo() );
CellRangeAddress newMergedRegion = new CellRangeAddress(
mergedRegion.getFirstRow(), mergedRegion
.getLastRow(), mergedRegion
.getFirstColumn(), mergedRegion
.getLastColumn());
if (isNewMergedRegion(newMergedRegion, mergedRegions)) {
mergedRegions.add(newMergedRegion);
destSheet.addMergedRegion(newMergedRegion);
}
}
}
}
}
}
public static void copySheets(Sheet newSheet, Sheet sheet) {
int maxColumnNum = 0;
for (int i = sheet.getFirstRowNum(), c = sheet.getLastRowNum(); i <= c; i++) {
org.apache.poi.ss.usermodel.Row srcRow = sheet.getRow(i);
org.apache.poi.ss.usermodel.Row destRow = newSheet.createRow(i);
if (srcRow != null) {
Util.copyRow(sheet, newSheet, srcRow, destRow);
if (srcRow.getLastCellNum() > maxColumnNum) {
maxColumnNum = srcRow.getLastCellNum();
}
}
}
for (int i = 0; i <= maxColumnNum; i++) {
newSheet.setColumnWidth(i, sheet.getColumnWidth(i));
}
}
public static void copySheets(Sheet newSheet, Sheet sheet,
String expressionToReplace, String expressionReplacement) {
int maxColumnNum = 0;
for (int i = sheet.getFirstRowNum(), c = sheet.getLastRowNum(); i <= c; i++) {
org.apache.poi.ss.usermodel.Row srcRow = sheet.getRow(i);
org.apache.poi.ss.usermodel.Row destRow = newSheet.createRow(i);
if (srcRow != null) {
Util.copyRow(sheet, newSheet, srcRow, destRow,
expressionToReplace, expressionReplacement);
if (srcRow.getLastCellNum() > maxColumnNum) {
maxColumnNum = srcRow.getLastCellNum();
}
}
}
for (int i = 0; i <= maxColumnNum; i++) {
newSheet.setColumnWidth(i, sheet.getColumnWidth(i));
}
}
public static void copyCell(org.apache.poi.ss.usermodel.Cell oldCell, org.apache.poi.ss.usermodel.Cell newCell,
boolean copyStyle) {
if (copyStyle) {
newCell.setCellStyle(oldCell.getCellStyle());
}
switch (oldCell.getCellType()) {
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_STRING:
newCell.setCellValue(oldCell.getRichStringCellValue());
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_NUMERIC:
newCell.setCellValue(oldCell.getNumericCellValue());
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_BLANK:
newCell.setCellType(org.apache.poi.ss.usermodel.Cell.CELL_TYPE_BLANK);
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_BOOLEAN:
newCell.setCellValue(oldCell.getBooleanCellValue());
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_ERROR:
newCell.setCellErrorValue(oldCell.getErrorCellValue());
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_FORMULA:
newCell.setCellFormula(oldCell.getCellFormula());
break;
default:
break;
}
}
public static void copyCell(org.apache.poi.ss.usermodel.Cell oldCell, org.apache.poi.ss.usermodel.Cell newCell,
boolean copyStyle, String expressionToReplace,
String expressionReplacement) {
if (copyStyle) {
newCell.setCellStyle(oldCell.getCellStyle());
}
switch (oldCell.getCellType()) {
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_STRING:
String oldValue = oldCell.getRichStringCellValue().getString();
newCell.setCellValue(newCell.getSheet().getWorkbook().getCreationHelper().createRichTextString(oldValue.replaceAll(
expressionToReplace, expressionReplacement)));
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_NUMERIC:
newCell.setCellValue(oldCell.getNumericCellValue());
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_BLANK:
newCell.setCellType(org.apache.poi.ss.usermodel.Cell.CELL_TYPE_BLANK);
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_BOOLEAN:
newCell.setCellValue(oldCell.getBooleanCellValue());
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_ERROR:
newCell.setCellErrorValue(oldCell.getErrorCellValue());
break;
case org.apache.poi.ss.usermodel.Cell.CELL_TYPE_FORMULA:
newCell.setCellFormula(oldCell.getCellFormula());
break;
default:
break;
}
}
public static Object getProperty(Object bean, String propertyName) {
Object value = null;
try {
if (log.isDebugEnabled()) {
log.debug("getting property=" + propertyName + " for bean="
+ bean.getClass().getName());
}
value = PropertyUtils.getProperty(bean, propertyName);
} catch (IllegalAccessException e) {
log.warn("Can't get property " + propertyName + " in the bean "
+ bean, e);
} catch (InvocationTargetException e) {
log.warn("Can't get property " + propertyName + " in the bean "
+ bean, e);
} catch (NoSuchMethodException e) {
log.warn("Can't get property " + propertyName + " in the bean "
+ bean, e);
}
return value;
}
/**
* Saves workbook to file
*
* @param fileName
* - File name to save workbook
* @param workbook
* - Workbook to save
*/
public static void writeToFile(String fileName, Workbook workbook) {
OutputStream os;
try {
os = new BufferedOutputStream(new FileOutputStream(fileName));
workbook.write(os);
os.flush();
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Duplicates given CellStyle object
*
* @param workbook
* - source Workbook object
* @param style
* - CellStyle object to duplicate
* @return CellStyle
*/
public static CellStyle duplicateStyle(Workbook workbook,
CellStyle style) {
CellStyle newStyle = workbook.createCellStyle();
newStyle.setAlignment(style.getAlignment());
newStyle.setBorderBottom(style.getBorderBottom());
newStyle.setBorderLeft(style.getBorderLeft());
newStyle.setBorderRight(style.getBorderRight());
newStyle.setBorderTop(style.getBorderTop());
newStyle.setBottomBorderColor(style.getBottomBorderColor());
newStyle.setDataFormat(style.getDataFormat());
newStyle.setFillBackgroundColor(style.getFillBackgroundColor());
newStyle.setFillForegroundColor(style.getFillForegroundColor());
newStyle.setFillPattern(style.getFillPattern());
newStyle.setFont(workbook.getFontAt(style.getFontIndex()));
newStyle.setHidden(style.getHidden());
newStyle.setIndention(style.getIndention());
newStyle.setLeftBorderColor(style.getLeftBorderColor());
newStyle.setLocked(style.getLocked());
newStyle.setRightBorderColor(style.getRightBorderColor());
newStyle.setTopBorderColor(style.getTopBorderColor());
newStyle.setVerticalAlignment(style.getVerticalAlignment());
newStyle.setWrapText(style.getWrapText());
return newStyle;
}
public static String escapeAttributes(String tag) {
if (tag == null) {
return tag;
}
int i = 0;
StringBuffer sb = new StringBuffer("");
StringBuffer attrValue = new StringBuffer("");
final char expressionClosingSymbol = '}';
final char expressionStartSymbol = '{';
boolean isAttrValue = false;
int exprCount = 0;
while (i < tag.length()) {
if (!isAttrValue) {
sb.append(tag.charAt(i));
if (tag.charAt(i) == '\"') {
isAttrValue = true;
attrValue = new StringBuffer("");
}
} else {
if (tag.charAt(i) == '\"') {
if (exprCount != 0) {
attrValue.append(tag.charAt(i));
} else {
sb.append(escapeXml(attrValue.toString()));
sb.append(tag.charAt(i));
isAttrValue = false;
}
} else {
attrValue.append(tag.charAt(i));
if (tag.charAt(i) == expressionClosingSymbol) {
exprCount--;
} else if (tag.charAt(i) == expressionStartSymbol) {
exprCount++;
}
}
}
i++;
}
if (isAttrValue) {
log.warn("Can't parse ambiguous quot in " + tag);
}
return sb.toString();
}
/**
*
* Escapes XML entities in a String.
*
*
* @param str
* The String to escape.
* @return A new escaped String.
*/
private static String escapeXml(String str) {
if (str == null) {
return str;
}
StringBuffer buf = new StringBuffer(str.length() * 2);
int i;
for (i = 0; i < str.length(); ++i) {
char ch = str.charAt(i);
String entityName = getEntityName(ch);
if (entityName == null) {
if (ch > 0x7F) {
buf.append("&#");
buf.append((int) ch);
buf.append(';');
} else {
buf.append(ch);
}
} else {
buf.append('&');
buf.append(entityName);
buf.append(';');
}
}
return buf.toString();
}
private static String getEntityName(char ch) {
return (String) xmlEntities.get(Integer.toString(ch));
}
protected static void updateMergedRegionInRow(Sheet sheet, Set mergedRegions, int rowNum, int cellNum, int destCellNum, boolean removeSourceMergedRegion) {
CellRangeAddress mergedRegion = Util.getMergedRegion(sheet, rowNum, cellNum);
if (mergedRegion != null && Util.isNewMergedRegion(mergedRegion, mergedRegions)) {
CellRangeAddress newMergedRegion = new CellRangeAddress(
mergedRegion.getFirstRow(), mergedRegion.getLastRow(),
mergedRegion.getFirstColumn() + destCellNum - cellNum, mergedRegion.getLastColumn() + destCellNum - cellNum);
if (Util.isNewMergedRegion(newMergedRegion, mergedRegions)) {
mergedRegions.add(newMergedRegion);
sheet.addMergedRegion(newMergedRegion);
if( removeSourceMergedRegion ){
removeMergedRegion(sheet, mergedRegion);
}
}
}
}
public static void shiftCellsLeft(Sheet sheet, int startRow,
int startCol, int endRow, int endCol, int shiftNumber, boolean removeSourceMergedRegion) {
Set mergedRegions = new HashSet();
for (int rowNum = startRow; rowNum <= endRow; rowNum++) {
boolean doSetWidth = true;
org.apache.poi.ss.usermodel.Row row = sheet.getRow(rowNum);
if (row != null) {
for (int colNum = startCol; colNum <= endCol; colNum++) {
org.apache.poi.ss.usermodel.Cell cell = row.getCell(colNum);
if (cell == null) {
cell = row.createCell(colNum);
doSetWidth = false;
}
int destColNum = colNum - shiftNumber;
org.apache.poi.ss.usermodel.Cell destCell = row.getCell(destColNum);
if (destCell == null) {
destCell = row.createCell( destColNum);
}
copyCell(cell, destCell, true);
Util.updateMergedRegionInRow(sheet, mergedRegions, rowNum, colNum, destColNum, removeSourceMergedRegion);
if (doSetWidth) {
sheet.setColumnWidth(destCell.getColumnIndex(),
getWidth(sheet, cell.getColumnIndex()));
}
}
}
}
}
static int getWidth(Sheet sheet, int col) {
int width = sheet.getColumnWidth(col);
if (width == sheet.getDefaultColumnWidth()) {
width = (int) (width * 256);
}
return width;
}
public static void shiftCellsRight(Sheet sheet, int startRow,
int endRow, int startCol, int shiftNumber, boolean removeSourceMergedRegion) {
Set mergedRegions = new HashSet();
for (int rowNum = startRow; rowNum <= endRow; rowNum++) {
org.apache.poi.ss.usermodel.Row row = sheet.getRow(rowNum);
if (row != null) {
int lastCellNum = row.getLastCellNum();
for (int colNum = lastCellNum; colNum >= startCol; colNum--) {
int destColNum = colNum + shiftNumber;
org.apache.poi.ss.usermodel.Cell destCell = row.getCell( destColNum);
if (destCell == null) {
destCell = row.createCell(destColNum);
}
org.apache.poi.ss.usermodel.Cell cell = row.getCell(colNum);
if (cell == null) {
cell = row.createCell(colNum);
}
copyCell(cell, destCell, true);
Util.updateMergedRegionInRow(sheet, mergedRegions, rowNum, colNum, destColNum, removeSourceMergedRegion);
}
}
}
}
public static void updateCellValue(Sheet sheet, int rowNum, int colNum,
String cellValue) {
org.apache.poi.ss.usermodel.Row hssfRow = sheet.getRow(rowNum);
org.apache.poi.ss.usermodel.Cell hssfCell = hssfRow.getCell(colNum);
hssfCell.setCellValue(hssfCell.getSheet().getWorkbook().getCreationHelper().createRichTextString(cellValue));
}
public static void copyPageSetup(Sheet destSheet, Sheet srcSheet) {
Header header = srcSheet.getHeader();
Footer footer = srcSheet.getFooter();
if (footer != null) {
destSheet.getFooter().setLeft(footer.getLeft());
destSheet.getFooter().setCenter(footer.getCenter());
destSheet.getFooter().setRight(footer.getRight());
}
if (header != null) {
destSheet.getHeader().setLeft(header.getLeft());
destSheet.getHeader().setCenter(header.getCenter());
destSheet.getHeader().setRight(header.getRight());
}
}
public static void copyPrintSetup(Sheet destSheet, Sheet srcSheet) {
PrintSetup setup = srcSheet.getPrintSetup();
if (setup != null) {
destSheet.getPrintSetup().setLandscape(setup.getLandscape());
destSheet.getPrintSetup().setPaperSize(setup.getPaperSize());
destSheet.getPrintSetup().setScale(setup.getScale());
destSheet.getPrintSetup().setFitWidth(setup.getFitWidth());
destSheet.getPrintSetup().setFitHeight(setup.getFitHeight());
destSheet.getPrintSetup().setFooterMargin(setup.getFooterMargin());
destSheet.getPrintSetup().setHeaderMargin(setup.getHeaderMargin());
destSheet.getPrintSetup().setPaperSize(setup.getPaperSize());
destSheet.getPrintSetup().setPageStart(setup.getPageStart());
}
}
public static void setPrintArea(Workbook resultWorkbook, int sheetNum) {
int maxColumnNum = 0;
for (int j = resultWorkbook.getSheetAt(sheetNum).getFirstRowNum(), c = resultWorkbook.getSheetAt(sheetNum).getLastRowNum(); j <= c; j++) {
org.apache.poi.ss.usermodel.Row row = resultWorkbook.getSheetAt(sheetNum).getRow(j);
if (row != null) {
maxColumnNum = row.getLastCellNum();
}
}
resultWorkbook.setPrintArea(sheetNum, 0, maxColumnNum, 0,
resultWorkbook.getSheetAt(sheetNum).getLastRowNum());
}
protected static final String regexCellRef = "[a-zA-Z]+[0-9]+";
protected static final Pattern regexCellRefPattern = Pattern
.compile(regexCellRef);
protected static final String regexCellCharPart = "[0-9]+";
protected static final String regexCellDigitPart = "[a-zA-Z]+";
protected static final String cellRangeSeparator = ":";
public static boolean isColumnRange(List cells) {
String firstCell = (String) cells.get(0);
boolean isColumnRange = true;
if (firstCell != null && firstCell.length() > 0) {
String firstCellCharPart = firstCell.split(regexCellCharPart)[0];
String firstCellDigitPart = firstCell.split(regexCellDigitPart)[1];
int cellNumber = Integer.parseInt(firstCellDigitPart);
String nextCell, cellCharPart, cellDigitPart;
for (int i = 1, c = cells.size(); i < c && isColumnRange; i++) {
nextCell = (String) cells.get(i);
cellCharPart = nextCell.split(regexCellCharPart)[0];
cellDigitPart = nextCell.split(regexCellDigitPart)[1];
if (!firstCellCharPart.equalsIgnoreCase(cellCharPart)
|| Integer.parseInt(cellDigitPart) != ++cellNumber) {
isColumnRange = false;
}
}
}
return isColumnRange;
}
public static boolean isRowRange(List cells) {
String firstCell = (String) cells.get(0);
boolean isRowRange = true;
if (firstCell != null && firstCell.length() > 0) {
String firstCellDigitPart = firstCell.split(regexCellDigitPart)[1];
String nextCell, cellDigitPart;
CellReference cellRef = new CellReference(firstCell);
int cellNumber = cellRef.getCol();
for (int i = 1, c = cells.size(); i < c && isRowRange; i++) {
nextCell = (String) cells.get(i);
cellDigitPart = nextCell.split(regexCellDigitPart)[1];
cellRef = new CellReference(nextCell);
if (!firstCellDigitPart.equalsIgnoreCase(cellDigitPart)
|| cellRef.getCol() != ++cellNumber) {
isRowRange = false;
}
}
}
return isRowRange;
}
public static String buildCommaSeparatedListOfCells(String refSheetName,
List cells) {
StringBuilder listOfCellsBuilder = new StringBuilder();
for (int i = 0, c = cells.size() - 1; i < c; i++) {
String cell = (String) cells.get(i);
listOfCellsBuilder.append( getRefCellName(refSheetName, cell));
listOfCellsBuilder.append(",");
}
listOfCellsBuilder.append(getRefCellName(refSheetName, (String) cells.get(cells.size() - 1)));
return listOfCellsBuilder.toString();
}
public static String detectCellRange(String refSheetName, List cells) {
if (cells == null || cells.isEmpty()) {
return "";
}
String firstCell = (String) cells.get(0);
String range = firstCell;
if (firstCell != null && firstCell.length() > 0) {
if (isRowRange(cells) || isColumnRange(cells)) {
String lastCell = (String) cells.get(cells.size() - 1);
range = getRefCellName(refSheetName, firstCell)
+ cellRangeSeparator + lastCell.toUpperCase();
} else {
range = buildCommaSeparatedListOfCells(refSheetName, cells);
}
}
return range;
}
public static String getRefCellName(String refSheetName, String cellName) {
if (refSheetName == null) {
return cellName.toUpperCase();
}
return refSheetName + "!" + cellName.toUpperCase();
}
public static void shiftRows(Sheet sheet, int startRow, int endRow,
int shiftNum) {
if (startRow <= endRow) {
short[] rowHeights = getRowHeights(sheet, startRow, endRow);
sheet.shiftRows(startRow, endRow, shiftNum, false, false);
copyPositiveRowHeight(sheet, startRow, endRow, shiftNum, rowHeights);
}
}
private static short[] getRowHeights(Sheet sheet, int startRow,
int endRow) {
if (endRow - startRow + 1 < 0) {
return new short[0];
}
short[] rowHeights = new short[endRow - startRow + 1];
for (int i = startRow; i <= endRow; i++) {
org.apache.poi.ss.usermodel.Row row = sheet.getRow(i);
if (row != null) {
rowHeights[i - startRow] = row.getHeight();
} else {
rowHeights[i - startRow] = -1;
}
}
return rowHeights;
}
static void copyPositiveRowHeight(Sheet sheet, int startRow,
int endRow, int shiftNum, short[] rowHeights) {
for (int i = startRow; i <= endRow; i++) {
org.apache.poi.ss.usermodel.Row destRow = sheet.getRow(i + shiftNum);
if (destRow != null && rowHeights[i - startRow] >= 0) {
destRow.setHeight(rowHeights[i - startRow]);
}
// Row srcRow = sheet.getRow(i);
// if( srcRow != null && destRow != null ){
// if( srcRow.getHeight() >= 0 ){
// destRow.setHeight( srcRow.getHeight() );
// }
// }
}
}
public static Cell getOrCreateCell(Sheet poiSheet, Integer rowNum, Integer cellNum) {
org.apache.poi.ss.usermodel.Row row = poiSheet.getRow(rowNum.intValue());
if( row == null ){
row = poiSheet.createRow(rowNum.intValue());
}
Cell cell = row.getCell(cellNum.intValue(), org.apache.poi.ss.usermodel.Row.CREATE_NULL_AS_BLANK);
return cell;
}
}