Remove unnecessary cast and reformat some code a bit

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1771247 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Dominik Stadler 2016-11-25 05:34:58 +00:00
parent 52dcd75c66
commit 90ce8cb096
7 changed files with 376 additions and 461 deletions

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@ -32,7 +32,7 @@ public class WorkingWithRichText {
XSSFWorkbook wb = new XSSFWorkbook(); //or new HSSFWorkbook(); XSSFWorkbook wb = new XSSFWorkbook(); //or new HSSFWorkbook();
try { try {
XSSFSheet sheet = wb.createSheet(); XSSFSheet sheet = wb.createSheet();
XSSFRow row = sheet.createRow((short) 2); XSSFRow row = sheet.createRow(2);
XSSFCell cell = row.createCell(1); XSSFCell cell = row.createCell(1);
XSSFRichTextString rt = new XSSFRichTextString("The quick brown fox"); XSSFRichTextString rt = new XSSFRichTextString("The quick brown fox");

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@ -28,9 +28,7 @@ import org.apache.poi.util.Internal;
import org.apache.poi.util.LittleEndian; import org.apache.poi.util.LittleEndian;
@Internal @Internal
public final class ComplexFileTable public final class ComplexFileTable {
{
private static final byte GRPPRL_TYPE = 1; private static final byte GRPPRL_TYPE = 1;
private static final byte TEXT_PIECE_TABLE_TYPE = 2; private static final byte TEXT_PIECE_TABLE_TYPE = 2;
@ -38,31 +36,27 @@ public final class ComplexFileTable
private SprmBuffer[] _grpprls; private SprmBuffer[] _grpprls;
public ComplexFileTable() public ComplexFileTable() {
{
_tpt = new TextPieceTable(); _tpt = new TextPieceTable();
} }
public ComplexFileTable(byte[] documentStream, byte[] tableStream, int offset, int fcMin) throws IOException public ComplexFileTable(byte[] documentStream, byte[] tableStream, int offset, int fcMin) throws IOException {
{
//skips through the prms before we reach the piece table. These contain data //skips through the prms before we reach the piece table. These contain data
//for actual fast saved files //for actual fast saved files
List<SprmBuffer> sprmBuffers = new LinkedList<SprmBuffer>(); List<SprmBuffer> sprmBuffers = new LinkedList<SprmBuffer>();
while ( tableStream[offset] == GRPPRL_TYPE ) while (tableStream[offset] == GRPPRL_TYPE) {
{
offset++; offset++;
int size = LittleEndian.getShort( tableStream, offset ); int size = LittleEndian.getShort(tableStream, offset);
offset += LittleEndian.SHORT_SIZE; offset += LittleEndian.SHORT_SIZE;
byte[] bs = LittleEndian.getByteArray( tableStream, offset, size ); byte[] bs = LittleEndian.getByteArray(tableStream, offset, size);
offset += size; offset += size;
SprmBuffer sprmBuffer = new SprmBuffer( bs, false, 0 ); SprmBuffer sprmBuffer = new SprmBuffer(bs, false, 0);
sprmBuffers.add( sprmBuffer ); sprmBuffers.add(sprmBuffer);
} }
this._grpprls = sprmBuffers.toArray( new SprmBuffer[sprmBuffers.size()] ); this._grpprls = sprmBuffers.toArray(new SprmBuffer[sprmBuffers.size()]);
if(tableStream[offset] != TEXT_PIECE_TABLE_TYPE) if (tableStream[offset] != TEXT_PIECE_TABLE_TYPE) {
{
throw new IOException("The text piece table is corrupted"); throw new IOException("The text piece table is corrupted");
} }
int pieceTableSize = LittleEndian.getInt(tableStream, ++offset); int pieceTableSize = LittleEndian.getInt(tableStream, ++offset);
@ -70,36 +64,32 @@ public final class ComplexFileTable
_tpt = new TextPieceTable(documentStream, tableStream, offset, pieceTableSize, fcMin); _tpt = new TextPieceTable(documentStream, tableStream, offset, pieceTableSize, fcMin);
} }
public TextPieceTable getTextPieceTable() public TextPieceTable getTextPieceTable() {
{
return _tpt; return _tpt;
} }
public SprmBuffer[] getGrpprls() public SprmBuffer[] getGrpprls() {
{
return _grpprls; return _grpprls;
} }
@Deprecated @Deprecated
public void writeTo( HWPFFileSystem sys ) throws IOException public void writeTo(HWPFFileSystem sys) throws IOException {
{ HWPFOutputStream docStream = sys.getStream("WordDocument");
HWPFOutputStream docStream = sys.getStream( "WordDocument" ); HWPFOutputStream tableStream = sys.getStream("1Table");
HWPFOutputStream tableStream = sys.getStream( "1Table" );
writeTo( docStream, tableStream ); writeTo(docStream, tableStream);
} }
public void writeTo( HWPFOutputStream wordDocumentStream, public void writeTo(HWPFOutputStream wordDocumentStream,
HWPFOutputStream tableStream ) throws IOException HWPFOutputStream tableStream) throws IOException {
{ tableStream.write(TEXT_PIECE_TABLE_TYPE);
tableStream.write( TEXT_PIECE_TABLE_TYPE );
byte[] table = _tpt.writeTo( wordDocumentStream ); byte[] table = _tpt.writeTo(wordDocumentStream);
byte[] numHolder = new byte[LittleEndian.INT_SIZE]; byte[] numHolder = new byte[LittleEndian.INT_SIZE];
LittleEndian.putInt( numHolder, 0, table.length ); LittleEndian.putInt(numHolder, 0, table.length);
tableStream.write( numHolder ); tableStream.write(numHolder);
tableStream.write( table ); tableStream.write(table);
} }
} }

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@ -41,27 +41,23 @@ import org.apache.poi.util.LittleEndian;
* @author Ryan Ackley * @author Ryan Ackley
*/ */
@Internal @Internal
public abstract class FormattedDiskPage public abstract class FormattedDiskPage {
{
protected byte[] _fkp; protected byte[] _fkp;
protected int _crun; protected int _crun;
protected int _offset; protected int _offset;
public FormattedDiskPage() {
public FormattedDiskPage()
{
} }
/** /**
* Uses a 512-byte array to create a FKP * Uses a 512-byte array to create a FKP
*/ */
public FormattedDiskPage(byte[] documentStream, int offset) public FormattedDiskPage(byte[] documentStream, int offset) {
{
_crun = LittleEndian.getUByte(documentStream, offset + 511); _crun = LittleEndian.getUByte(documentStream, offset + 511);
_fkp = documentStream; _fkp = documentStream;
_offset = offset; _offset = offset;
} }
/** /**
* Used to get a text offset corresponding to a grpprl in this fkp. * Used to get a text offset corresponding to a grpprl in this fkp.
* @param index The index of the property in this FKP * @param index The index of the property in this FKP
@ -71,6 +67,7 @@ public abstract class FormattedDiskPage
{ {
return LittleEndian.getInt(_fkp, _offset + (index * 4)); return LittleEndian.getInt(_fkp, _offset + (index * 4));
} }
/** /**
* Used to get the end of the text corresponding to a grpprl in this fkp. * Used to get the end of the text corresponding to a grpprl in this fkp.
* @param index The index of the property in this fkp. * @param index The index of the property in this fkp.
@ -80,6 +77,7 @@ public abstract class FormattedDiskPage
{ {
return LittleEndian.getInt(_fkp, _offset + ((index + 1) * 4)); return LittleEndian.getInt(_fkp, _offset + ((index + 1) * 4));
} }
/** /**
* Used to get the total number of grrprl's stored int this FKP * Used to get the total number of grrprl's stored int this FKP
* @return The number of grpprls in this FKP * @return The number of grpprls in this FKP

View File

@ -25,23 +25,21 @@ import org.apache.poi.util.LittleEndian;
/** /**
* Plex of CPs stored in File (PLCF) * Plex of CPs stored in File (PLCF)
* * <p>
* common data structure in a Word file. Contains an array of 4 byte ints in the * common data structure in a Word file. Contains an array of 4 byte ints in the
* front that relate to an array of arbitrary data structures in the back. * front that relate to an array of arbitrary data structures in the back.
* * <p>
* See page 184 of official documentation for details * See page 184 of official documentation for details
* *
* @author Ryan Ackley * @author Ryan Ackley
*/ */
public final class PlexOfCps public final class PlexOfCps {
{
private int _iMac; private int _iMac;
private int _offset; private int _offset;
private int _cbStruct; private int _cbStruct;
private List<GenericPropertyNode> _props; private List<GenericPropertyNode> _props;
public PlexOfCps( int sizeOfStruct ) public PlexOfCps(int sizeOfStruct) {
{
_props = new ArrayList<GenericPropertyNode>(); _props = new ArrayList<GenericPropertyNode>();
_cbStruct = sizeOfStruct; _cbStruct = sizeOfStruct;
} }
@ -49,115 +47,93 @@ public final class PlexOfCps
/** /**
* Constructor * Constructor
* *
* @param cb * @param cb The size of PLCF in bytes
* The size of PLCF in bytes * @param cbStruct The size of the data structure type stored in this PlexOfCps.
* @param cbStruct
* The size of the data structure type stored in this PlexOfCps.
*/ */
public PlexOfCps( byte[] buf, int start, int cb, int cbStruct ) public PlexOfCps(byte[] buf, int start, int cb, int cbStruct) {
{
// Figure out the number we hold // Figure out the number we hold
_iMac = ( cb - 4 ) / ( 4 + cbStruct ); _iMac = (cb - 4) / (4 + cbStruct);
_cbStruct = cbStruct; _cbStruct = cbStruct;
_props = new ArrayList<GenericPropertyNode>( _iMac ); _props = new ArrayList<GenericPropertyNode>(_iMac);
for ( int x = 0; x < _iMac; x++ ) for (int x = 0; x < _iMac; x++) {
{ _props.add(getProperty(x, buf, start));
_props.add( getProperty( x, buf, start ) );
} }
} }
@Internal @Internal
void adjust( int startCp, int shift ) void adjust(int startCp, int shift) {
{ for (GenericPropertyNode node : _props) {
for ( GenericPropertyNode node : _props ) if (node.getStart() > startCp) {
{ if (node.getStart() + shift < startCp) {
if ( node.getStart() > startCp ) node.setStart(startCp);
{ } else {
if ( node.getStart() + shift < startCp ) node.setStart(node.getStart() + shift);
{
node.setStart( startCp );
}
else
{
node.setStart( node.getStart() + shift );
} }
} }
if ( node.getEnd() >= startCp ) if (node.getEnd() >= startCp) {
{ if (node.getEnd() + shift < startCp) {
if ( node.getEnd() + shift < startCp ) node.setEnd(startCp);
{ } else {
node.setEnd( startCp ); node.setEnd(node.getEnd() + shift);
}
else
{
node.setEnd( node.getEnd() + shift );
} }
} }
} }
} }
public GenericPropertyNode getProperty( int index ) public GenericPropertyNode getProperty(int index) {
{ return _props.get(index);
return _props.get( index );
} }
public void addProperty( GenericPropertyNode node ) public void addProperty(GenericPropertyNode node) {
{ _props.add(node);
_props.add( node );
_iMac++; _iMac++;
} }
void remove( int index ) void remove(int index) {
{ _props.remove(index);
_props.remove( index );
_iMac--; _iMac--;
} }
public byte[] toByteArray() public byte[] toByteArray() {
{
int size = _props.size(); int size = _props.size();
int cpBufSize = ( ( size + 1 ) * LittleEndian.INT_SIZE ); int cpBufSize = ((size + 1) * LittleEndian.INT_SIZE);
int structBufSize = +( _cbStruct * size ); int structBufSize = +(_cbStruct * size);
int bufSize = cpBufSize + structBufSize; int bufSize = cpBufSize + structBufSize;
byte[] buf = new byte[bufSize]; byte[] buf = new byte[bufSize];
GenericPropertyNode node = null; GenericPropertyNode node = null;
for ( int x = 0; x < size; x++ ) for (int x = 0; x < size; x++) {
{ node = _props.get(x);
node = _props.get( x );
// put the starting offset of the property into the plcf. // put the starting offset of the property into the plcf.
LittleEndian.putInt( buf, ( LittleEndian.INT_SIZE * x ), LittleEndian.putInt(buf, (LittleEndian.INT_SIZE * x),
node.getStart() ); node.getStart());
// put the struct into the plcf // put the struct into the plcf
System.arraycopy( node.getBytes(), 0, buf, cpBufSize System.arraycopy(node.getBytes(), 0, buf, cpBufSize
+ ( x * _cbStruct ), _cbStruct ); + (x * _cbStruct), _cbStruct);
} }
// put the ending offset of the last property into the plcf. // put the ending offset of the last property into the plcf.
LittleEndian.putInt( buf, LittleEndian.INT_SIZE * size, node.getEnd() ); LittleEndian.putInt(buf, LittleEndian.INT_SIZE * size, node.getEnd());
return buf; return buf;
} }
private GenericPropertyNode getProperty( int index, byte[] buf, int offset ) private GenericPropertyNode getProperty(int index, byte[] buf, int offset) {
{ int start = LittleEndian.getInt(buf, offset + getIntOffset(index));
int start = LittleEndian.getInt( buf, offset + getIntOffset( index ) ); int end = LittleEndian.getInt(buf, offset + getIntOffset(index + 1));
int end = LittleEndian.getInt( buf, offset + getIntOffset( index + 1 ) );
byte[] struct = new byte[_cbStruct]; byte[] struct = new byte[_cbStruct];
System.arraycopy( buf, offset + getStructOffset( index ), struct, 0, System.arraycopy(buf, offset + getStructOffset(index), struct, 0,
_cbStruct ); _cbStruct);
return new GenericPropertyNode( start, end, struct ); return new GenericPropertyNode(start, end, struct);
} }
private int getIntOffset( int index ) private int getIntOffset(int index) {
{
return index * 4; return index * 4;
} }
@ -166,8 +142,7 @@ public final class PlexOfCps
* *
* @return The number of data structures in this PlexofCps * @return The number of data structures in this PlexofCps
*/ */
public int length() public int length() {
{
return _iMac; return _iMac;
} }
@ -175,28 +150,23 @@ public final class PlexOfCps
* Returns the offset, in bytes, from the beginning if this PlexOfCps to the * Returns the offset, in bytes, from the beginning if this PlexOfCps to the
* data structure at index. * data structure at index.
* *
* @param index * @param index The index of the data structure.
* The index of the data structure.
*
* @return The offset, in bytes, from the beginning if this PlexOfCps to the * @return The offset, in bytes, from the beginning if this PlexOfCps to the
* data structure at index. * data structure at index.
*/ */
private int getStructOffset( int index ) private int getStructOffset(int index) {
{ return (4 * (_iMac + 1)) + (_cbStruct * index);
return ( 4 * ( _iMac + 1 ) ) + ( _cbStruct * index );
} }
GenericPropertyNode[] toPropertiesArray() GenericPropertyNode[] toPropertiesArray() {
{ if (_props == null || _props.isEmpty())
if ( _props == null || _props.isEmpty() )
return new GenericPropertyNode[0]; return new GenericPropertyNode[0];
return _props.toArray( new GenericPropertyNode[_props.size()] ); return _props.toArray(new GenericPropertyNode[_props.size()]);
} }
@Override @Override
public String toString() public String toString() {
{
return "PLCF (cbStruct: " + _cbStruct + "; iMac: " + _iMac + ")"; return "PLCF (cbStruct: " + _cbStruct + "; iMac: " + _iMac + ")";
} }
} }

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@ -34,42 +34,41 @@ import org.apache.poi.util.POILogger;
* @author Ryan Ackley * @author Ryan Ackley
*/ */
@Internal @Internal
public abstract class PropertyNode<T extends PropertyNode<T>> implements Comparable<T>, Cloneable public abstract class PropertyNode<T extends PropertyNode<T>> implements Comparable<T>, Cloneable {
{
public static final class EndComparator implements public static final class EndComparator implements
Comparator<PropertyNode<?>> Comparator<PropertyNode<?>> {
{
public static final EndComparator instance = new EndComparator(); public static final EndComparator instance = new EndComparator();
public int compare( PropertyNode<?> o1, PropertyNode<?> o2 ) public int compare(PropertyNode<?> o1, PropertyNode<?> o2) {
{
int thisVal = o1.getEnd(); int thisVal = o1.getEnd();
int anotherVal = o2.getEnd(); int anotherVal = o2.getEnd();
return ( thisVal < anotherVal ? -1 : ( thisVal == anotherVal ? 0 return (thisVal < anotherVal ? -1 : (thisVal == anotherVal ? 0
: 1 ) ); : 1));
} }
} }
public static final class StartComparator implements public static final class StartComparator implements
Comparator<PropertyNode<?>> Comparator<PropertyNode<?>> {
{
public static final StartComparator instance = new StartComparator(); public static final StartComparator instance = new StartComparator();
public int compare( PropertyNode<?> o1, PropertyNode<?> o2 ) public int compare(PropertyNode<?> o1, PropertyNode<?> o2) {
{
int thisVal = o1.getStart(); int thisVal = o1.getStart();
int anotherVal = o2.getStart(); int anotherVal = o2.getStart();
return ( thisVal < anotherVal ? -1 : ( thisVal == anotherVal ? 0 return (thisVal < anotherVal ? -1 : (thisVal == anotherVal ? 0
: 1 ) ); : 1));
} }
} }
private final static POILogger _logger = POILogFactory.getLogger(PropertyNode.class); private final static POILogger _logger = POILogFactory.getLogger(PropertyNode.class);
protected Object _buf; protected Object _buf;
/** The start, in characters */ /**
* The start, in characters
*/
private int _cpStart; private int _cpStart;
/** The end, in characters */ /**
* The end, in characters
*/
private int _cpEnd; private int _cpEnd;
@ -78,22 +77,20 @@ public abstract class PropertyNode<T extends PropertyNode<T>> implements Compar
* @param fcEnd The end of the text for this property, in characters. * @param fcEnd The end of the text for this property, in characters.
* @param buf FIXME: Old documentation is: "grpprl The property description in compressed form." * @param buf FIXME: Old documentation is: "grpprl The property description in compressed form."
*/ */
protected PropertyNode(int fcStart, int fcEnd, Object buf) protected PropertyNode(int fcStart, int fcEnd, Object buf) {
{
_cpStart = fcStart; _cpStart = fcStart;
_cpEnd = fcEnd; _cpEnd = fcEnd;
_buf = buf; _buf = buf;
if(_cpStart < 0) { if (_cpStart < 0) {
_logger.log(POILogger.WARN, "A property claimed to start before zero, at " + _cpStart + "! Resetting it to zero, and hoping for the best"); _logger.log(POILogger.WARN, "A property claimed to start before zero, at " + _cpStart + "! Resetting it to zero, and hoping for the best");
_cpStart = 0; _cpStart = 0;
} }
if ( _cpEnd < _cpStart ) if (_cpEnd < _cpStart) {
{ _logger.log(POILogger.WARN, "A property claimed to end (" + _cpEnd
_logger.log( POILogger.WARN, "A property claimed to end (" + _cpEnd
+ ") before start! " + ") before start! "
+ "Resetting end to start, and hoping for the best" ); + "Resetting end to start, and hoping for the best");
_cpEnd = _cpStart; _cpEnd = _cpStart;
} }
} }
@ -101,36 +98,32 @@ public abstract class PropertyNode<T extends PropertyNode<T>> implements Compar
/** /**
* @return The start offset of this property's text. * @return The start offset of this property's text.
*/ */
public int getStart() public int getStart() {
{
return _cpStart; return _cpStart;
} }
public void setStart(int start) public void setStart(int start) {
{
_cpStart = start; _cpStart = start;
} }
/** /**
* @return The offset of the end of this property's text. * @return The offset of the end of this property's text.
*/ */
public int getEnd() public int getEnd() {
{
return _cpEnd; return _cpEnd;
} }
public void setEnd(int end) public void setEnd(int end) {
{
_cpEnd = end; _cpEnd = end;
} }
/** /**
* Adjust for a deletion that can span multiple PropertyNodes. * Adjust for a deletion that can span multiple PropertyNodes.
*
* @param start * @param start
* @param length * @param length
*/ */
public void adjustForDelete(int start, int length) public void adjustForDelete(int start, int length) {
{
int end = start + length; int end = start + length;
if (_cpEnd > start) { if (_cpEnd > start) {
@ -148,29 +141,24 @@ public abstract class PropertyNode<T extends PropertyNode<T>> implements Compar
} }
} }
protected boolean limitsAreEqual(Object o) protected boolean limitsAreEqual(Object o) {
{ return ((PropertyNode<?>) o).getStart() == _cpStart &&
return ((PropertyNode<?>)o).getStart() == _cpStart && ((PropertyNode<?>) o).getEnd() == _cpEnd;
((PropertyNode<?>)o).getEnd() == _cpEnd;
} }
@Override @Override
public int hashCode() public int hashCode() {
{
return this._cpStart * 31 + this._buf.hashCode(); return this._cpStart * 31 + this._buf.hashCode();
} }
public boolean equals(Object o) public boolean equals(Object o) {
{
if (!(o instanceof PropertyNode)) return false; if (!(o instanceof PropertyNode)) return false;
if (limitsAreEqual(o)) if (limitsAreEqual(o)) {
{ Object testBuf = ((PropertyNode<?>) o)._buf;
Object testBuf = ((PropertyNode<?>)o)._buf; if (testBuf instanceof byte[] && _buf instanceof byte[]) {
if (testBuf instanceof byte[] && _buf instanceof byte[]) return Arrays.equals((byte[]) testBuf, (byte[]) _buf);
{
return Arrays.equals((byte[])testBuf, (byte[])_buf);
} }
return _buf.equals(testBuf); return _buf.equals(testBuf);
} }
@ -178,27 +166,20 @@ public abstract class PropertyNode<T extends PropertyNode<T>> implements Compar
} }
@SuppressWarnings("unchecked") @SuppressWarnings("unchecked")
public T clone() throws CloneNotSupportedException public T clone() throws CloneNotSupportedException {
{
return (T) super.clone(); return (T) super.clone();
} }
/** /**
* Used for sorting in collections. * Used for sorting in collections.
*/ */
public int compareTo(T o) public int compareTo(T o) {
{
int cpEnd = o.getEnd(); int cpEnd = o.getEnd();
if(_cpEnd == cpEnd) if (_cpEnd == cpEnd) {
{
return 0; return 0;
} } else if (_cpEnd < cpEnd) {
else if(_cpEnd < cpEnd)
{
return -1; return -1;
} } else {
else
{
return 1; return 1;
} }
} }

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@ -31,49 +31,40 @@ import org.apache.poi.util.Internal;
* @author Ryan Ackley * @author Ryan Ackley
*/ */
@Internal @Internal
public class TextPiece extends PropertyNode<TextPiece> public class TextPiece extends PropertyNode<TextPiece> {
{
private boolean _usesUnicode; private boolean _usesUnicode;
private PieceDescriptor _pd; private PieceDescriptor _pd;
/** /**
* @param start * @param start Beginning offset in main document stream, in characters.
* Beginning offset in main document stream, in characters. * @param end Ending offset in main document stream, in characters.
* @param end * @param text The raw bytes of our text
* Ending offset in main document stream, in characters. * @deprecated Use {@link #TextPiece(int, int, byte[], PieceDescriptor)}
* @param text
* The raw bytes of our text
* @deprecated Use {@link #TextPiece(int,int,byte[],PieceDescriptor)}
* instead * instead
*/ */
public TextPiece( int start, int end, byte[] text, PieceDescriptor pd, public TextPiece(int start, int end, byte[] text, PieceDescriptor pd,
int cpStart ) int cpStart) {
{ this(start, end, text, pd);
this( start, end, text, pd );
} }
/** /**
* @param start * @param start Beginning offset in main document stream, in characters.
* Beginning offset in main document stream, in characters. * @param end Ending offset in main document stream, in characters.
* @param end * @param text The raw bytes of our text
* Ending offset in main document stream, in characters.
* @param text
* The raw bytes of our text
*/ */
public TextPiece( int start, int end, byte[] text, PieceDescriptor pd ) public TextPiece(int start, int end, byte[] text, PieceDescriptor pd) {
{
super(start, end, buildInitSB(text, pd)); super(start, end, buildInitSB(text, pd));
_usesUnicode = pd.isUnicode(); _usesUnicode = pd.isUnicode();
_pd = pd; _pd = pd;
// Validate // Validate
int textLength = ((CharSequence)_buf).length(); int textLength = ((CharSequence) _buf).length();
if(end-start != textLength) { if (end - start != textLength) {
throw new IllegalStateException("Told we're for characters " + start + " -> " + end + ", but actually covers " + textLength + " characters!"); throw new IllegalStateException("Told we're for characters " + start + " -> " + end + ", but actually covers " + textLength + " characters!");
} }
if(end < start) { if (end < start) {
throw new IllegalStateException("Told we're of negative size! start="+start + " end="+end); throw new IllegalStateException("Told we're of negative size! start=" + start + " end=" + end);
} }
} }
@ -89,30 +80,25 @@ public class TextPiece extends PropertyNode<TextPiece>
/** /**
* @return If this text piece is unicode * @return If this text piece is unicode
*/ */
public boolean isUnicode() public boolean isUnicode() {
{
return _usesUnicode; return _usesUnicode;
} }
public PieceDescriptor getPieceDescriptor() public PieceDescriptor getPieceDescriptor() {
{
return _pd; return _pd;
} }
@Deprecated @Deprecated
public StringBuffer getStringBuffer() public StringBuffer getStringBuffer() {
{
return new StringBuffer(getStringBuilder()); return new StringBuffer(getStringBuilder());
} }
public StringBuilder getStringBuilder() public StringBuilder getStringBuilder() {
{ return (StringBuilder) _buf;
return (StringBuilder)_buf;
} }
public byte[] getRawBytes() public byte[] getRawBytes() {
{ return ((CharSequence) _buf).toString().getBytes(
return ((CharSequence)_buf).toString().getBytes(
Charset.forName(_usesUnicode ? "UTF-16LE" : "Cp1252") Charset.forName(_usesUnicode ? "UTF-16LE" : "Cp1252")
); );
} }
@ -120,22 +106,22 @@ public class TextPiece extends PropertyNode<TextPiece>
/** /**
* Returns part of the string. * Returns part of the string.
* Works only in characters, not in bytes! * Works only in characters, not in bytes!
*
* @param start Local start position, in characters * @param start Local start position, in characters
* @param end Local end position, in characters * @param end Local end position, in characters
*/ */
@Deprecated @Deprecated
public String substring(int start, int end) public String substring(int start, int end) {
{ StringBuilder buf = (StringBuilder) _buf;
StringBuilder buf = (StringBuilder)_buf;
// Validate // Validate
if(start < 0) { if (start < 0) {
throw new StringIndexOutOfBoundsException("Can't request a substring before 0 - asked for " + start); throw new StringIndexOutOfBoundsException("Can't request a substring before 0 - asked for " + start);
} }
if(end > buf.length()) { if (end > buf.length()) {
throw new StringIndexOutOfBoundsException("Index " + end + " out of range 0 -> " + buf.length()); throw new StringIndexOutOfBoundsException("Index " + end + " out of range 0 -> " + buf.length());
} }
if(end < start) { if (end < start) {
throw new StringIndexOutOfBoundsException("Asked for text from " + start + " to " + end + ", which has an end before the start!"); throw new StringIndexOutOfBoundsException("Asked for text from " + start + " to " + end + ", which has an end before the start!");
} }
return buf.substring(start, end); return buf.substring(start, end);
@ -144,16 +130,15 @@ public class TextPiece extends PropertyNode<TextPiece>
/** /**
* Adjusts the internal string for deletinging * Adjusts the internal string for deletinging
* some characters within this. * some characters within this.
*
* @param start The start position for the delete, in characters * @param start The start position for the delete, in characters
* @param length The number of characters to delete * @param length The number of characters to delete
*/ */
@Deprecated @Deprecated
public void adjustForDelete(int start, int length) { public void adjustForDelete(int start, int length) {
int numChars = length;
int myStart = getStart(); int myStart = getStart();
int myEnd = getEnd(); int myEnd = getEnd();
int end = start + numChars; int end = start + length;
/* do we have to delete from this text piece? */ /* do we have to delete from this text piece? */
if (start <= myEnd && end >= myStart) { if (start <= myEnd && end >= myStart) {
@ -164,7 +149,7 @@ public class TextPiece extends PropertyNode<TextPiece>
int bufStart = overlapStart - myStart; int bufStart = overlapStart - myStart;
int bufEnd = overlapEnd - myStart; int bufEnd = overlapEnd - myStart;
((StringBuilder)_buf).delete(bufStart, bufEnd); ((StringBuilder) _buf).delete(bufStart, bufEnd);
} }
// We need to invoke this even if text from this piece is not being // We need to invoke this even if text from this piece is not being
@ -179,10 +164,10 @@ public class TextPiece extends PropertyNode<TextPiece>
* Returns the length, in characters * Returns the length, in characters
*/ */
@Deprecated @Deprecated
public int characterLength() public int characterLength() {
{
return (getEnd() - getStart()); return (getEnd() - getStart());
} }
/** /**
* Returns the length, in bytes * Returns the length, in bytes
*/ */
@ -191,11 +176,10 @@ public class TextPiece extends PropertyNode<TextPiece>
} }
@Override @Override
public boolean equals(Object o) public boolean equals(Object o) {
{
if (!(o instanceof TextPiece)) return false; if (!(o instanceof TextPiece)) return false;
TextPiece tp = (TextPiece)o; TextPiece tp = (TextPiece) o;
assert(_buf != null && tp._buf != null && _pd != null && tp._pd != null); assert (_buf != null && tp._buf != null && _pd != null && tp._pd != null);
return ( return (
limitsAreEqual(o) limitsAreEqual(o)
@ -215,13 +199,11 @@ public class TextPiece extends PropertyNode<TextPiece>
/** /**
* Returns the character position we start at. * Returns the character position we start at.
*/ */
public int getCP() public int getCP() {
{
return getStart(); return getStart();
} }
public String toString() public String toString() {
{
return "TextPiece from " + getStart() + " to " + getEnd() + " (" return "TextPiece from " + getStart() + " to " + getEnd() + " ("
+ getPieceDescriptor() + ")"; + getPieceDescriptor() + ")";
} }

View File

@ -22,35 +22,29 @@ import java.io.ByteArrayOutputStream;
import org.apache.poi.util.Internal; import org.apache.poi.util.Internal;
@Internal @Internal
public final class HWPFOutputStream extends ByteArrayOutputStream public final class HWPFOutputStream extends ByteArrayOutputStream {
{
int _offset; int _offset;
public HWPFOutputStream() public HWPFOutputStream() {
{
super(); super();
} }
public int getOffset() public int getOffset() {
{
return _offset; return _offset;
} }
public synchronized void reset() public synchronized void reset() {
{
super.reset(); super.reset();
_offset = 0; _offset = 0;
} }
public synchronized void write(byte[] buf, int off, int len) public synchronized void write(byte[] buf, int off, int len) {
{
super.write(buf, off, len); super.write(buf, off, len);
_offset += len; _offset += len;
} }
public synchronized void write(int b) public synchronized void write(int b) {
{
super.write(b); super.write(b);
_offset++; _offset++;
} }