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Fix for bug 46206 - tolerate missing DIMENSION records

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@721586 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Josh Micich 2008-11-28 23:24:06 +00:00
parent c87a1fe88a
commit 45287875d7
5 changed files with 116 additions and 51 deletions
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1
src/documentation/content/xdocs/changes.xml
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@ -37,6 +37,7 @@
<!-- Don't forget to update status.xml too! -->
<release version="3.5-beta5" date="2008-??-??">
<action dev="POI-DEVELOPERS" type="fix">46206 - Fixed Sheet to tolerate missing DIMENSION records</action>
<action dev="POI-DEVELOPERS" type="add">46301 - added pivot table records: SXDI, SXVDEX, SXPI, SXIDSTM, SXVIEW, SXVD, SXVS, et al</action>
<action dev="POI-DEVELOPERS" type="fix">46280 - Fixed RowRecordsAggregate etc to properly skip PivotTable records</action>
</release>

1
src/documentation/content/xdocs/status.xml
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@ -34,6 +34,7 @@
<!-- Don't forget to update changes.xml too! -->
<changes>
<release version="3.5-beta5" date="2008-??-??">
<action dev="POI-DEVELOPERS" type="fix">46206 - Fixed Sheet to tolerate missing DIMENSION records</action>
<action dev="POI-DEVELOPERS" type="add">46301 - added pivot table records: SXDI, SXVDEX, SXPI, SXIDSTM, SXVIEW, SXVD, SXVS, et al</action>
<action dev="POI-DEVELOPERS" type="fix">46280 - Fixed RowRecordsAggregate etc to properly skip PivotTable records</action>
</release>

49
src/java/org/apache/poi/hssf/model/Sheet.java
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@ -93,7 +93,6 @@ import org.apache.poi.util.POILogger;
*
* @see org.apache.poi.hssf.model.Workbook
* @see org.apache.poi.hssf.usermodel.HSSFSheet
* @version 1.0-pre
*/
public final class Sheet implements Model {
public static final short LeftMargin = 0;
@ -103,7 +102,7 @@ public final class Sheet implements Model {
private static POILogger log = POILogFactory.getLogger(Sheet.class);
protected ArrayList records = null;
private List<RecordBase> records;
protected PrintGridlinesRecord printGridlines = null;
protected GridsetRecord gridset = null;
private GutsRecord _gutsRecord;
@ -162,7 +161,7 @@ public final class Sheet implements Model {
_mergedCellsTable = new MergedCellsTable();
RowRecordsAggregate rra = null;
records = new ArrayList(128);
records = new ArrayList<RecordBase>(128);
// TODO - take chart streams off into separate java objects
int bofEofNestingLevel = 0; // nesting level can only get to 2 (when charts are present)
int dimsloc = -1;
@ -304,12 +303,25 @@ public final class Sheet implements Model {
records.add(rec);
}
if (_dimensions == null) {
throw new RuntimeException("DimensionsRecord was not found");
}
if (windowTwo == null) {
throw new RuntimeException("WINDOW2 was not found");
}
if (_dimensions == null) {
// Excel seems to always write the DIMENSION record, but tolerates when it is not present
// in all cases Excel (2007) adds the missing DIMENSION record
if (rra == null) {
// bug 46206 alludes to files which skip the DIMENSION record
// when there are no row/cell records.
// Not clear which application wrote these files.
rra = new RowRecordsAggregate();
} else {
log.log(POILogger.WARN, "DIMENSION record not found even though row/cells present");
// Not sure if any tools write files like this, but Excel reads them OK
}
dimsloc = findFirstRecordLocBySid(WindowTwoRecord.sid);
_dimensions = rra.createDimensions();
records.add(dimsloc, _dimensions);
}
if (rra == null) {
rra = new RowRecordsAggregate();
records.add(dimsloc + 1, rra);
@ -323,13 +335,13 @@ public final class Sheet implements Model {
private static final class RecordCloner implements RecordVisitor {
private final List _destList;
private final List<RecordBase> _destList;
public RecordCloner(List destList) {
public RecordCloner(List<RecordBase> destList) {
_destList = destList;
}
public void visitRecord(Record r) {
_destList.add(r.clone());
_destList.add((RecordBase)r.clone());
}
}
@ -341,9 +353,9 @@ public final class Sheet implements Model {
* belongs to a sheet.
*/
public Sheet cloneSheet() {
List clonedRecords = new ArrayList(this.records.size());
for (int i = 0; i < this.records.size(); i++) {
RecordBase rb = (RecordBase) this.records.get(i);
List<RecordBase> clonedRecords = new ArrayList<RecordBase>(records.size());
for (int i = 0; i < records.size(); i++) {
RecordBase rb = records.get(i);
if (rb instanceof RecordAggregate) {
((RecordAggregate) rb).visitContainedRecords(new RecordCloner(clonedRecords));
continue;
@ -366,7 +378,7 @@ public final class Sheet implements Model {
}
private Sheet() {
_mergedCellsTable = new MergedCellsTable();
records = new ArrayList(32);
records = new ArrayList<RecordBase>(32);
if (log.check( POILogger.DEBUG ))
log.log(POILogger.DEBUG, "Sheet createsheet from scratch called");
@ -516,9 +528,8 @@ public final class Sheet implements Model {
boolean haveSerializedIndex = false;
for (int k = 0; k < records.size(); k++)
{
RecordBase record = (RecordBase) records.get(k);
for (int k = 0; k < records.size(); k++) {
RecordBase record = records.get(k);
if (record instanceof RecordAggregate) {
RecordAggregate agg = (RecordAggregate) record;
@ -560,7 +571,7 @@ public final class Sheet implements Model {
int result = 0;
// start just after BOF record (INDEX is not present in this list)
for (int j = bofRecordIndex + 1; j < records.size(); j++) {
RecordBase tmpRec = (RecordBase) records.get(j);
RecordBase tmpRec = records.get(j);
if (tmpRec instanceof RowRecordsAggregate) {
break;
}
@ -1203,7 +1214,7 @@ public final class Sheet implements Model {
}
}
public List getRecords()
public List<RecordBase> getRecords()
{
return records;
}
@ -1564,7 +1575,7 @@ public final class Sheet implements Model {
}
else
{
List records = getRecords();
List<RecordBase> records = getRecords();
EscherAggregate r = EscherAggregate.createAggregate( records, loc, drawingManager );
int startloc = loc;
while ( loc + 1 < records.size()

9
src/java/org/apache/poi/hssf/record/aggregates/RowRecordsAggregate.java
View File

@ -28,6 +28,7 @@ import org.apache.poi.hssf.record.ArrayRecord;
import org.apache.poi.hssf.record.CellValueRecordInterface;
import org.apache.poi.hssf.record.ContinueRecord;
import org.apache.poi.hssf.record.DBCellRecord;
import org.apache.poi.hssf.record.DimensionsRecord;
import org.apache.poi.hssf.record.FormulaRecord;
import org.apache.poi.hssf.record.IndexRecord;
import org.apache.poi.hssf.record.MergeCellsRecord;
@ -487,4 +488,12 @@ public final class RowRecordsAggregate extends RecordAggregate {
public void updateFormulasAfterRowShift(FormulaShifter formulaShifter, int currentExternSheetIndex) {
_valuesAgg.updateFormulasAfterRowShift(formulaShifter, currentExternSheetIndex);
}
public DimensionsRecord createDimensions() {
DimensionsRecord result = new DimensionsRecord();
result.setFirstRow(_firstrow);
result.setLastRow(_lastrow);
result.setFirstCol((short) _valuesAgg.getFirstCellNum());
result.setLastCol((short) _valuesAgg.getLastCellNum());
return result;
}
}

75
src/testcases/org/apache/poi/hssf/model/TestSheet.java
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@ -34,21 +34,20 @@ import org.apache.poi.hssf.record.FormulaRecord;
import org.apache.poi.hssf.record.GutsRecord;
import org.apache.poi.hssf.record.IndexRecord;
import org.apache.poi.hssf.record.MergeCellsRecord;
import org.apache.poi.hssf.record.NumberRecord;
import org.apache.poi.hssf.record.Record;
import org.apache.poi.hssf.record.RowRecord;
import org.apache.poi.hssf.record.StringRecord;
import org.apache.poi.hssf.record.UncalcedRecord;
import org.apache.poi.hssf.record.WindowTwoRecord;
import org.apache.poi.hssf.record.aggregates.ColumnInfoRecordsAggregate;
import org.apache.poi.hssf.record.aggregates.MergedCellsTable;
import org.apache.poi.hssf.record.aggregates.PageSettingsBlock;
import org.apache.poi.hssf.record.aggregates.RowRecordsAggregate;
import org.apache.poi.hssf.record.aggregates.RecordAggregate.RecordVisitor;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.CellRangeAddress;
import org.apache.poi.hssf.usermodel.RecordInspector.RecordCollector;
import org.apache.poi.ss.util.CellRangeAddress;
/**
* Unit test for the Sheet class.
@ -60,24 +59,28 @@ public final class TestSheet extends TestCase {
return Sheet.createSheet(new RecordStream(inRecs, 0));
}
private static Record[] getSheetRecords(Sheet s, int offset) {
RecordCollector rc = new RecordCollector();
s.visitContainedRecords(rc, offset);
return rc.getRecords();
}
public void testCreateSheet() {
// Check we're adding row and cell aggregates
List records = new ArrayList();
List<Record> records = new ArrayList<Record>();
records.add( new BOFRecord() );
records.add( new DimensionsRecord() );
records.add(createWindow2Record());
records.add(EOFRecord.instance);
Sheet sheet = createSheet(records);
Record[] outRecs = getSheetRecords(sheet, 0);
int pos = 0;
assertTrue( sheet.records.get(pos++) instanceof BOFRecord );
assertTrue( sheet.records.get(pos++) instanceof ColumnInfoRecordsAggregate );
assertTrue( sheet.records.get(pos++) instanceof DimensionsRecord );
assertTrue( sheet.records.get(pos++) instanceof RowRecordsAggregate );
assertTrue( sheet.records.get(pos++) instanceof WindowTwoRecord );
assertTrue( sheet.records.get(pos++) instanceof MergedCellsTable );
assertTrue( sheet.records.get(pos++) instanceof EOFRecord );
assertTrue(outRecs[pos++] instanceof BOFRecord );
assertTrue(outRecs[pos++] instanceof IndexRecord );
assertTrue(outRecs[pos++] instanceof DimensionsRecord );
assertTrue(outRecs[pos++] instanceof WindowTwoRecord );
assertTrue(outRecs[pos++] instanceof EOFRecord );
}
private static Record createWindow2Record() {
@ -178,7 +181,7 @@ public final class TestSheet extends TestCase {
*
*/
public void testMovingMergedRegion() {
List records = new ArrayList();
List<Record> records = new ArrayList<Record>();
CellRangeAddress[] cras = {
new CellRangeAddress(0, 1, 0, 2),
@ -193,7 +196,7 @@ public final class TestSheet extends TestCase {
records.add(merged);
Sheet sheet = createSheet(records);
sheet.records.remove(0);
sheet.getRecords().remove(0); // TODO - what does this line do?
//stub object to throw off list INDEX operations
sheet.removeMergedRegion(0);
@ -213,7 +216,7 @@ public final class TestSheet extends TestCase {
*
*/
public void testRowAggregation() {
List records = new ArrayList();
List<Record> records = new ArrayList<Record>();
records.add(Sheet.createBOF());
records.add(new DimensionsRecord());
@ -445,7 +448,7 @@ public final class TestSheet extends TestCase {
*/
public void testUncalcSize_bug45066() {
List records = new ArrayList();
List<Record> records = new ArrayList<Record>();
records.add(new BOFRecord());
records.add(new UncalcedRecord());
records.add(new DimensionsRecord());
@ -582,4 +585,44 @@ public final class TestSheet extends TestCase {
throw e;
}
}
/**
* Some apps seem to write files with missing DIMENSION records.
* Excel(2007) tolerates this, so POI should too.
*/
public void testMissingDims() {
int rowIx = 5;
int colIx = 6;
NumberRecord nr = new NumberRecord();
nr.setRow(rowIx);
nr.setColumn((short) colIx);
nr.setValue(3.0);
List<Record> inRecs = new ArrayList<Record>();
inRecs.add(new BOFRecord());
inRecs.add(new RowRecord(rowIx));
inRecs.add(nr);
inRecs.add(createWindow2Record());
inRecs.add(EOFRecord.instance);
Sheet sheet;
try {
sheet = createSheet(inRecs);
} catch (RuntimeException e) {
if (e.getMessage().equals("DimensionsRecord was not found")) {
throw new AssertionFailedError("Identified bug 46206");
}
throw e;
}
RecordCollector rv = new RecordCollector();
sheet.visitContainedRecords(rv, rowIx);
Record[] outRecs = rv.getRecords();
assertEquals(8, outRecs.length);
DimensionsRecord dims = (DimensionsRecord) outRecs[5];
assertEquals(rowIx, dims.getFirstRow());
assertEquals(rowIx, dims.getLastRow());
assertEquals(colIx, dims.getFirstCol());
assertEquals(colIx, dims.getLastCol());
}
}