use isEmpty()

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1896541 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2021-12-30 20:34:10 +00:00
parent 15b1c51f33
commit 9de29ea3fc
27 changed files with 34 additions and 39 deletions

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@ -537,8 +537,8 @@ public final class ZipPackage extends OPCPackage {
try {
// If the core properties part does not exist in the part list,
// we save it as well
if (this.getPartsByRelationshipType(PackageRelationshipTypes.CORE_PROPERTIES).size() == 0 &&
this.getPartsByRelationshipType(PackageRelationshipTypes.CORE_PROPERTIES_ECMA376).size() == 0 ) {
if (this.getPartsByRelationshipType(PackageRelationshipTypes.CORE_PROPERTIES).isEmpty() &&
this.getPartsByRelationshipType(PackageRelationshipTypes.CORE_PROPERTIES_ECMA376).isEmpty()) {
LOG.atDebug().log("Save core properties part");
// Ensure that core properties are added if missing

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@ -108,7 +108,7 @@ public class XSSFBReader extends XSSFReader {
public XSSFBStylesTable getXSSFBStylesTable() throws IOException {
ArrayList<PackagePart> parts = pkg.getPartsByContentType(XSSFBRelation.STYLES_BINARY.getContentType());
if(parts.size() == 0) return null;
if(parts.isEmpty()) return null;
// Create the Styles Table, and associate the Themes if present
try (InputStream stream = parts.get(0).getInputStream()) {

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@ -144,7 +144,7 @@ public class XSSFReader {
public SharedStrings getSharedStringsTable() throws IOException, InvalidFormatException {
ArrayList<PackagePart> parts = pkg.getPartsByContentType(XSSFRelation.SHARED_STRINGS.getContentType());
try {
return parts.size() == 0 ? null :
return parts.isEmpty() ? null :
useReadOnlySharedStringsTable ? new ReadOnlySharedStringsTable(parts.get(0)) :
new SharedStringsTable(parts.get(0));
} catch (SAXException se) {
@ -158,7 +158,7 @@ public class XSSFReader {
*/
public StylesTable getStylesTable() throws IOException, InvalidFormatException {
ArrayList<PackagePart> parts = pkg.getPartsByContentType(XSSFRelation.STYLES.getContentType());
if (parts.size() == 0) return null;
if (parts.isEmpty()) return null;
// Create the Styles Table, and associate the Themes if present
StylesTable styles = new StylesTable(parts.get(0));

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@ -198,7 +198,7 @@ public class SXSSFSheet implements Sheet, OoxmlSheetExtensions {
if(_writer.getNumberOfFlushedRows() > 0) {
return _writer.getLowestIndexOfFlushedRows();
}
return _rows.size() == 0 ? -1 : _rows.firstKey();
return _rows.isEmpty() ? -1 : _rows.firstKey();
}
/**
@ -208,7 +208,7 @@ public class SXSSFSheet implements Sheet, OoxmlSheetExtensions {
*/
@Override
public int getLastRowNum() {
return _rows.size() == 0 ? -1 : _rows.lastKey();
return _rows.isEmpty() ? -1 : _rows.lastKey();
}
/**

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@ -304,7 +304,7 @@ public class XSSFRow implements Row, Comparable<XSSFRow> {
*/
@Override
public short getFirstCellNum() {
return (short)(_cells.size() == 0 ? -1 : _cells.firstKey());
return (short)(_cells.isEmpty() ? -1 : _cells.firstKey());
}
/**
@ -328,7 +328,7 @@ public class XSSFRow implements Row, Comparable<XSSFRow> {
*/
@Override
public short getLastCellNum() {
return (short)(_cells.size() == 0 ? -1 : (_cells.lastKey() + 1));
return (short)(_cells.isEmpty() ? -1 : (_cells.lastKey() + 1));
}
/**

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@ -2835,7 +2835,7 @@ public class XSSFSheet extends POIXMLDocumentPart implements Sheet, OoxmlSheetEx
*/
@Beta
public void copyRows(List<? extends Row> srcRows, int destStartRow, CellCopyPolicy policy) {
if (srcRows == null || srcRows.size() == 0) {
if (srcRows == null || srcRows.isEmpty()) {
throw new IllegalArgumentException("No rows to copy");
}
final Row srcStartRow = srcRows.get(0);

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@ -1383,7 +1383,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook, Date1904Su
sheets.remove(index);
// only set new sheet if there are still some left
if(sheets.size() == 0) {
if(sheets.isEmpty()) {
return;
}

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@ -503,7 +503,7 @@ public abstract class XWPFAbstractFootnoteEndnote implements Iterable<XWPFParag
*/
public XWPFTable createTable() {
XWPFTable table = new XWPFTable(ctFtnEdn.addNewTbl(), this);
if (bodyElements.size() == 0) {
if (bodyElements.isEmpty()) {
XWPFParagraph p = createParagraph();
ensureFootnoteRef(p);
}

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@ -618,7 +618,7 @@ public class XWPFDocument extends POIXMLDocument implements Document, IBody {
*/
private int getBodyElementSpecificPos(int pos, List<? extends IBodyElement> list) {
// If there's nothing to find, skip it
if (list.size() == 0) {
if (list.isEmpty()) {
return -1;
}

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@ -603,7 +603,7 @@ public abstract class XWPFHeaderFooter extends POIXMLDocumentPart implements IBo
@Override
protected void prepareForCommit() {
// must contain at least an empty paragraph
if (bodyElements.size() == 0) {
if (bodyElements.isEmpty()) {
createParagraph();
}
@ -611,7 +611,7 @@ public abstract class XWPFHeaderFooter extends POIXMLDocumentPart implements IBo
for (XWPFTable tbl : tables) {
for (XWPFTableRow row : tbl.tableRows) {
for (XWPFTableCell cell : row.getTableCells()) {
if (cell.getBodyElements().size() == 0) {
if (cell.getBodyElements().isEmpty()) {
cell.addParagraph();
}
}

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@ -237,10 +237,10 @@ public class XWPFTable implements IBodyElement, ISDTContents {
/**
* Add a new cell at the end of each row in this table, creating a new column.
* If rows have different numbers of columns, will still append a cell to each row.
* Currently does not match the width of existing columns.
* Currently, does not match the width of existing columns.
*/
public void addNewCol() {
if (tableRows.size() == 0) {
if (tableRows.isEmpty()) {
createRow();
}
for (XWPFTableRow tableRow : tableRows) {

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@ -441,7 +441,7 @@ public class XWPFTableCell implements IBody, ICell {
}
public void setText(String text) {
XWPFParagraph par = (paragraphs.size() == 0) ? addParagraph() : paragraphs.get(0);
XWPFParagraph par = paragraphs.isEmpty() ? addParagraph() : paragraphs.get(0);
par.createRun().setText(text);
}

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@ -31,7 +31,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* Testcase for function XLOOKUP()
*/
public class TestXSSFXLookupFunction {
class TestXSSFXLookupFunction {
//https://support.microsoft.com/en-us/office/xlookup-function-b7fd680e-6d10-43e6-84f9-88eae8bf5929

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@ -242,7 +242,7 @@ public class CHPBinTable
}
}
if ( chpxs.size() == 0 )
if ( chpxs.isEmpty() )
{
LOG.atWarn().log("Text piece [{}; {}) has no CHPX. Creating new one.", box(startInclusive),box(boundary));
// create it manually

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@ -215,7 +215,7 @@ public class PAPBinTable
lastPapxIndex = oldPapxSortedByEndPos.size() - 1;
}
if ( papxs.size() == 0 )
if ( papxs.isEmpty() )
{
LOG.atWarn().log("Paragraph [{}; {}) has no PAPX. Creating new one.", box(startInclusive),box(endExclusive));
// create it manually

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@ -889,7 +889,7 @@ public class Range {
private static int binarySearchStart( List<? extends PropertyNode<?>> rpl,
int start )
{
if ( rpl.size() == 0 )
if ( rpl.isEmpty())
return -1;
if ( rpl.get( 0 ).getStart() >= start )
return 0;

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@ -347,7 +347,7 @@ public final class ExtractorFactory {
}
// Create the extractors
if(dirs.size() == 0 && nonPOIFS.size() == 0){
if(dirs.isEmpty() && nonPOIFS.isEmpty()){
return new POITextExtractor[0];
}

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@ -117,7 +117,7 @@ public abstract class AbstractEscherHolderRecord extends Record {
@Override
public int getRecordSize() {
byte[] rawData = getRawData();
if (escherRecords.size() == 0 && rawData != null) {
if (escherRecords.isEmpty() && rawData != null) {
// XXX: It should be possible to derive this without concatenating the array, too.
return rawData.length;
}

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@ -82,7 +82,7 @@ public final class DrawingGroupRecord extends AbstractEscherHolderRecord {
public int serialize(int offset, byte[] data)
{
byte[] rawData = getRawData();
if (getEscherRecords().size() == 0 && rawData != null)
if (getEscherRecords().isEmpty() && rawData != null)
{
return writeData( offset, data, rawData );
}
@ -117,8 +117,7 @@ public final class DrawingGroupRecord extends AbstractEscherHolderRecord {
private int getRawDataSize() {
List<EscherRecord> escherRecords = getEscherRecords();
byte[] rawData = getRawData();
if (escherRecords.size() == 0 && rawData != null)
{
if (escherRecords.isEmpty() && rawData != null) {
return rawData.length;
}
int size = 0;

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@ -337,7 +337,7 @@ public class UnicodeString implements Comparable<UnicodeString>, Duplicatable, G
public void removeFormatRun(FormatRun r) {
field_4_format_runs.remove(r);
if (field_4_format_runs.size() == 0) {
if (field_4_format_runs.isEmpty()) {
field_4_format_runs = null;
field_2_optionflags = richText.clearByte(field_2_optionflags);
}

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@ -316,7 +316,7 @@ public final class HSSFSheet implements Sheet {
_sheet.removeRow(hrow.getRowRecord());
// if there are no more rows, then reset first/last
if(_rows.size() == 0) {
if(_rows.isEmpty()) {
_firstrow = -1;
_lastrow = -1;
}

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@ -150,13 +150,11 @@ class POIFSReaderRegistry
}
private void dropDocument(final POIFSReaderListener listener,
final DocumentDescriptor descriptor)
{
final DocumentDescriptor descriptor) {
Set<POIFSReaderListener> listeners = chosenDocumentDescriptors.get(descriptor);
listeners.remove(listener);
if (listeners.size() == 0)
{
if (listeners.isEmpty()) {
chosenDocumentDescriptors.remove(descriptor);
}
}

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@ -583,7 +583,7 @@ public class POIFSFileSystem extends BlockStore
offset++;
// Chain it
if (_xbat_blocks.size() == 0) {
if (_xbat_blocks.isEmpty()) {
_header.setXBATStart(offset);
} else {
_xbat_blocks.get(_xbat_blocks.size() - 1).setValueAt(

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@ -48,7 +48,7 @@ import static org.apache.poi.ss.format.CellFormatter.quote;
*/
@SuppressWarnings("RegExpRepeatedSpace")
public class CellFormatPart {
private static final Logger LOG = LogManager.getLogger(CellFormat.class.getName());
private static final Logger LOG = LogManager.getLogger(CellFormatPart.class);
static final Map<String, Color> NAMED_COLORS;

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@ -598,7 +598,7 @@ public class EvaluationConditionalFormatRule implements Comparable<EvaluationCon
}
final Set<ValueAndFormat> avgSet = new LinkedHashSet<>(1);
avgSet.add(new ValueAndFormat(allValues.size() == 0 ? 0 : total / allValues.size(), null, decimalTextFormat));
avgSet.add(new ValueAndFormat(allValues.isEmpty() ? 0 : total / allValues.size(), null, decimalTextFormat));
final double stdDev = allValues.size() <= 1 ? 0 : ((NumberEval) AggregateFunction.STDEV.evaluate(pop, 0, 0)).getNumberValue();
avgSet.add(new ValueAndFormat(stdDev, null, decimalTextFormat));

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@ -93,7 +93,7 @@ final class TextJoinFunction implements FreeRefFunction {
}
// Join the list of values with the specified delimiter and return
if (delimiterArgs.size() == 0) {
if (delimiterArgs.isEmpty()) {
return new StringEval(String.join("", textValues));
} else if (delimiterArgs.size() == 1) {
String delimiter = laxValueToString(delimiterArgs.get(0));

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@ -22,8 +22,6 @@ import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Spliterator;
import java.util.Spliterators;
import java.util.regex.Matcher;
import java.util.regex.Pattern;