Bug 53798: Add fix for XmlValueDisconnectException during shifting rows

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1521012 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Dominik Stadler 2013-09-09 09:24:05 +00:00
parent 17e8880dcd
commit e6ed66a126
3 changed files with 109 additions and 12 deletions

View File

@ -2341,15 +2341,12 @@ public class XSSFSheet extends POIXMLDocumentPart implements Sheet {
*/
@SuppressWarnings("deprecation") //YK: getXYZArray() array accessors are deprecated in xmlbeans with JDK 1.5 support
public void shiftRows(int startRow, int endRow, int n, boolean copyRowHeight, boolean resetOriginalRowHeight) {
// first remove all rows which will be overwritten
for (Iterator<Row> it = rowIterator() ; it.hasNext() ; ) {
XSSFRow row = (XSSFRow)it.next();
int rownum = row.getRowNum();
if(rownum < startRow) continue;
if (!copyRowHeight) {
row.setHeight((short)-1);
}
// check if we should remove this row as it will be overwritten by the data later
if (removeRow(startRow, endRow, n, rownum)) {
// remove row from worksheet.getSheetData row array
int idx = _rows.headMap(row.getRowNum()).size();
@ -2357,10 +2354,13 @@ public class XSSFSheet extends POIXMLDocumentPart implements Sheet {
// remove row from _rows
it.remove();
}
else if (rownum >= startRow && rownum <= endRow) {
row.shift(n);
}
// then do the actual moving and also adjust comments/rowHeight
for (Iterator<Row> it = rowIterator() ; it.hasNext() ; ) {
XSSFRow row = (XSSFRow)it.next();
int rownum = row.getRowNum();
if(sheetComments != null){
//TODO shift Note's anchor in the associated /xl/drawing/vmlDrawings#.vml
CTCommentList lst = sheetComments.getCTComments().getCommentList();
@ -2372,6 +2372,14 @@ public class XSSFSheet extends POIXMLDocumentPart implements Sheet {
}
}
}
if(rownum < startRow || rownum > endRow) continue;
if (!copyRowHeight) {
row.setHeight((short)-1);
}
row.shift(n);
}
XSSFRowShifter rowShifter = new XSSFRowShifter(this);
@ -2625,7 +2633,9 @@ public class XSSFSheet extends POIXMLDocumentPart implements Sheet {
}
private boolean removeRow(int startRow, int endRow, int n, int rownum) {
// is this row in the target-window where the moved rows will land?
if (rownum >= (startRow + n) && rownum <= (endRow + n)) {
// only remove it if the current row is not part of the data that is copied
if (n > 0 && rownum > endRow) {
return true;
}

View File

@ -21,6 +21,9 @@ import java.io.IOException;
import org.apache.poi.ss.usermodel.BaseTestSheetShiftRows;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellUtil;
import org.apache.poi.xssf.XSSFITestDataProvider;
import org.apache.poi.xssf.XSSFTestDataSamples;
@ -34,10 +37,12 @@ public final class TestXSSFSheetShiftRows extends BaseTestSheetShiftRows {
super(XSSFITestDataProvider.instance);
}
@Override
public void testShiftRowBreaks() { // disabled test from superclass
// TODO - support shifting of page breaks
}
@Override
public void testShiftWithComments() { // disabled test from superclass
// TODO - support shifting of comments.
}
@ -54,4 +59,86 @@ public final class TestXSSFSheetShiftRows extends BaseTestSheetShiftRows {
cell = CellUtil.getCell(sheet.getRow(3), 0);
assertEquals("X", cell.getStringCellValue());
}
public void testBug53798() throws IOException {
// NOTE that for HSSF (.xls) negative shifts combined with positive ones do work as expected
Workbook wb = XSSFTestDataSamples.openSampleWorkbook("53798.xlsx");
Sheet testSheet = wb.getSheetAt(0);
// 1) corrupted xlsx (unreadable data in the first row of a shifted group) already comes about
// when shifted by less than -1 negative amount (try -2)
testSheet.shiftRows(3, 3, -2);
Row newRow = null; Cell newCell = null;
// 2) attempt to create a new row IN PLACE of a removed row by a negative shift causes corrupted
// xlsx file with unreadable data in the negative shifted row.
// NOTE it's ok to create any other row.
newRow = testSheet.createRow(3);
newCell = newRow.createCell(0);
newCell.setCellValue("new Cell in row "+newRow.getRowNum());
// 3) once a negative shift has been made any attempt to shift another group of rows
// (note: outside of previously negative shifted rows) by a POSITIVE amount causes POI exception:
// org.apache.xmlbeans.impl.values.XmlValueDisconnectedException.
// NOTE: another negative shift on another group of rows is successful, provided no new rows in
// place of previously shifted rows were attempted to be created as explained above.
testSheet.shiftRows(6, 7, 1); // -- CHANGE the shift to positive once the behaviour of
// the above has been tested
//saveReport(wb, new File("/tmp/53798.xlsx"));
Workbook read = XSSFTestDataSamples.writeOutAndReadBack(wb);
assertNotNull(read);
Sheet readSheet = read.getSheetAt(0);
verifyCellContent(readSheet, 0, "0.0");
verifyCellContent(readSheet, 1, "3.0");
verifyCellContent(readSheet, 2, "2.0");
verifyCellContent(readSheet, 3, "new Cell in row 3");
verifyCellContent(readSheet, 4, "4.0");
verifyCellContent(readSheet, 5, "5.0");
verifyCellContent(readSheet, 6, null);
verifyCellContent(readSheet, 7, "6.0");
verifyCellContent(readSheet, 8, "7.0");
}
private void verifyCellContent(Sheet readSheet, int row, String expect) {
Row readRow = readSheet.getRow(row);
if(expect == null) {
assertNull(readRow);
return;
}
Cell readCell = readRow.getCell(0);
if(readCell.getCellType() == Cell.CELL_TYPE_NUMERIC) {
assertEquals(expect, Double.toString(readCell.getNumericCellValue()));
} else {
assertEquals(expect, readCell.getStringCellValue());
}
}
public void testBug53798a() throws IOException {
Workbook wb = XSSFTestDataSamples.openSampleWorkbook("53798.xlsx");
Sheet testSheet = wb.getSheetAt(0);
testSheet.shiftRows(3, 3, -1);
for (Row r : testSheet) {
r.getRowNum();
}
testSheet.shiftRows(6, 6, 1);
//saveReport(wb, new File("/tmp/53798.xlsx"));
Workbook read = XSSFTestDataSamples.writeOutAndReadBack(wb);
assertNotNull(read);
Sheet readSheet = read.getSheetAt(0);
verifyCellContent(readSheet, 0, "0.0");
verifyCellContent(readSheet, 1, "1.0");
verifyCellContent(readSheet, 2, "3.0");
verifyCellContent(readSheet, 3, null);
verifyCellContent(readSheet, 4, "4.0");
verifyCellContent(readSheet, 5, "5.0");
verifyCellContent(readSheet, 6, null);
verifyCellContent(readSheet, 7, "6.0");
verifyCellContent(readSheet, 8, "8.0");
}
}

Binary file not shown.