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some changes to allow shared string table to be subclassed 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1822404 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2018-01-27 13:30:52 +00:00
parent 47a21a80d4
commit 42ffb63210
3 changed files with 133 additions and 102 deletions
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29
src/ooxml/java/org/apache/poi/xssf/model/SharedStringsTable.java
View File

@ -20,6 +20,7 @@ package org.apache.poi.xssf.model;
import static org.apache.poi.POIXMLTypeLoader.DEFAULT_XML_OPTIONS;
import static org.apache.poi.xssf.usermodel.XSSFRelation.NS_SPREADSHEETML;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
@ -61,7 +62,7 @@ import org.openxmlformats.schemas.spreadsheetml.x2006.main.SstDocument;
* properties, and phonetic properties (for East Asian languages).
* </p>
*/
public class SharedStringsTable extends POIXMLDocumentPart {
public class SharedStringsTable extends POIXMLDocumentPart implements Closeable {
/**
* Array of individual string items in the Shared String table.
@ -77,22 +78,22 @@ public class SharedStringsTable extends POIXMLDocumentPart {
* An integer representing the total count of strings in the workbook. This count does not
* include any numbers, it counts only the total of text strings in the workbook.
*/
private int count;
protected int count;
/**
* An integer representing the total count of unique strings in the Shared String Table.
* A string is unique even if it is a copy of another string, but has different formatting applied
* at the character level.
*/
private int uniqueCount;
protected int uniqueCount;
private SstDocument _sstDoc;
private static final XmlOptions options = new XmlOptions();
static {
options.put( XmlOptions.SAVE_INNER );
options.put( XmlOptions.SAVE_AGGRESSIVE_NAMESPACES );
options.put( XmlOptions.SAVE_USE_DEFAULT_NAMESPACE );
options.put( XmlOptions.SAVE_AGGRESSIVE_NAMESPACES );
options.put( XmlOptions.SAVE_USE_DEFAULT_NAMESPACE );
options.setSaveImplicitNamespaces(Collections.singletonMap("", NS_SPREADSHEETML));
}
@ -125,7 +126,7 @@ public class SharedStringsTable extends POIXMLDocumentPart {
uniqueCount = (int)sst.getUniqueCount();
//noinspection deprecation
for (CTRst st : sst.getSiArray()) {
stmap.put(getKey(st), cnt);
stmap.put(xmlText(st), cnt);
strings.add(st);
cnt++;
}
@ -134,7 +135,7 @@ public class SharedStringsTable extends POIXMLDocumentPart {
}
}
private String getKey(CTRst st) {
protected String xmlText(CTRst st) {
return st.xmlText(options);
}
@ -195,7 +196,7 @@ public class SharedStringsTable extends POIXMLDocumentPart {
*/
@Removal(version = "4.2") //make private in 4.2
public int addEntry(CTRst st) {
String s = getKey(st);
String s = xmlText(st);
count++;
if (stmap.containsKey(s)) {
return stmap.get(s);
@ -282,4 +283,16 @@ public class SharedStringsTable extends POIXMLDocumentPart {
writeTo(out);
}
}
/**
* Close any open resources, like temp files. This method is called by <code>XSSFWorkbook#close()</code>.
* <p>
* This implementation is empty but subclasses may need to implement some logic.
* </p>
*
* @since 4.0.0
* @throws IOException if an error occurs while closing.
*/
@Override
public void close() throws IOException {}
}

8
src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFFactory.java
View File

@ -27,8 +27,8 @@ import org.apache.poi.POIXMLRelation;
/**
* Instantiates sub-classes of POIXMLDocumentPart depending on their relationship type
*/
public final class XSSFFactory extends POIXMLFactory {
private XSSFFactory() {
public class XSSFFactory extends POIXMLFactory {
protected XSSFFactory() {
}
private static final XSSFFactory inst = new XSSFFactory();
@ -50,8 +50,8 @@ public final class XSSFFactory extends POIXMLFactory {
*/
@Override
protected POIXMLDocumentPart createDocumentPart
(Class<? extends POIXMLDocumentPart> cls, Class<?>[] classes, Object[] values)
throws SecurityException, NoSuchMethodException, InstantiationException, IllegalAccessException, InvocationTargetException {
(Class<? extends POIXMLDocumentPart> cls, Class<?>[] classes, Object[] values)
throws SecurityException, NoSuchMethodException, InstantiationException, IllegalAccessException, InvocationTargetException {
Constructor<? extends POIXMLDocumentPart> constructor = cls.getDeclaredConstructor(classes);
return constructor.newInstance(values);
}

48
src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFWorkbook.java
View File

@ -127,7 +127,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
* @deprecated POI 3.17 beta 1
* @see Units#DEFAULT_CHARACTER_WIDTH
*/
@Removal(version="3.19")
@Removal(version="4.1")
public static final float DEFAULT_CHARACTER_WIDTH = Units.DEFAULT_CHARACTER_WIDTH;
/**
@ -236,6 +236,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
private List<XSSFPivotTable> pivotTables;
private List<CTPivotCache> pivotCaches;
private final XSSFFactory xssfFactory;
/**
* Create a new SpreadsheetML workbook.
@ -244,12 +245,22 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
this(XSSFWorkbookType.XLSX);
}
@Internal
public XSSFWorkbook(XSSFFactory factory) {
this(XSSFWorkbookType.XLSX, factory);
}
/**
* Create a new SpreadsheetML workbook.
* @param workbookType The type of workbook to make (.xlsx or .xlsm).
*/
public XSSFWorkbook(XSSFWorkbookType workbookType) {
this(workbookType, null);
}
private XSSFWorkbook(XSSFWorkbookType workbookType, XSSFFactory factory) {
super(newPackage(workbookType));
this.xssfFactory = (factory == null) ? XSSFFactory.getInstance() : factory;
onWorkbookCreate();
}
@ -268,11 +279,12 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
*/
public XSSFWorkbook(OPCPackage pkg) throws IOException {
super(pkg);
this.xssfFactory = XSSFFactory.getInstance();
beforeDocumentRead();
// Build a tree of POIXMLDocumentParts, this workbook being the root
load(XSSFFactory.getInstance());
load(this.xssfFactory);
// some broken Workbooks miss this...
setBookViewsIfMissing();
@ -383,7 +395,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
if (packageReadOnly) {
stylesSource = new StylesTable();
} else {
stylesSource = (StylesTable)createRelationship(XSSFRelation.STYLES, XSSFFactory.getInstance());
stylesSource = (StylesTable)createRelationship(XSSFRelation.STYLES, this.xssfFactory);
}
}
stylesSource.setWorkbook(this);
@ -394,7 +406,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
if (packageReadOnly) {
sharedStringSource = new SharedStringsTable();
} else {
sharedStringSource = (SharedStringsTable)createRelationship(XSSFRelation.SHARED_STRINGS, XSSFFactory.getInstance());
sharedStringSource = (SharedStringsTable)createRelationship(XSSFRelation.SHARED_STRINGS, this.xssfFactory);
}
}
@ -458,8 +470,8 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
POIXMLProperties.ExtendedProperties expProps = getProperties().getExtendedProperties();
expProps.getUnderlyingProperties().setApplication(DOCUMENT_CREATOR);
sharedStringSource = (SharedStringsTable)createRelationship(XSSFRelation.SHARED_STRINGS, XSSFFactory.getInstance());
stylesSource = (StylesTable)createRelationship(XSSFRelation.STYLES, XSSFFactory.getInstance());
sharedStringSource = (SharedStringsTable)createRelationship(XSSFRelation.SHARED_STRINGS, this.xssfFactory);
stylesSource = (StylesTable)createRelationship(XSSFRelation.STYLES, this.xssfFactory);
stylesSource.setWorkbook(this);
namedRanges = new ArrayList<>();
@ -525,7 +537,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
@Override
public int addPicture(byte[] pictureData, int format) {
int imageNumber = getAllPictures().size() + 1;
XSSFPictureData img = createRelationship(XSSFPictureData.RELATIONS[format], XSSFFactory.getInstance(), imageNumber, true).getDocumentPart();
XSSFPictureData img = createRelationship(XSSFPictureData.RELATIONS[format], this.xssfFactory, imageNumber, true).getDocumentPart();
try (OutputStream out = img.getPackagePart().getOutputStream()) {
out.write(pictureData);
} catch (IOException e){
@ -552,7 +564,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
*/
public int addPicture(InputStream is, int format) throws IOException {
int imageNumber = getAllPictures().size() + 1;
XSSFPictureData img = createRelationship(XSSFPictureData.RELATIONS[format], XSSFFactory.getInstance(), imageNumber, true).getDocumentPart();
XSSFPictureData img = createRelationship(XSSFPictureData.RELATIONS[format], this.xssfFactory, imageNumber, true).getDocumentPart();
try (OutputStream out = img.getPackagePart().getOutputStream()) {
IOUtils.copy(is, out);
}
@ -574,6 +586,12 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
return cloneSheet(sheetNum, null);
}
@Override
public void close() throws IOException {
super.close();
sharedStringSource.close();
}
/**
* Create an XSSFSheet from an existing sheet in the XSSFWorkbook.
* The cloned sheet is a deep copy of the original but with a new given
@ -618,7 +636,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
for(PackageRelationship pr : srcSheet.getPackagePart().getRelationships()) {
if (pr.getTargetMode() == TargetMode.EXTERNAL) {
clonedSheet.getPackagePart().addExternalRelationship
(pr.getTargetURI().toASCIIString(), pr.getRelationshipType(), pr.getId());
(pr.getTargetURI().toASCIIString(), pr.getRelationshipType(), pr.getId());
}
}
} catch (InvalidFormatException e) {
@ -675,7 +693,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
PackageRelationship rel = rp.getRelationship();
if (rel.getTargetMode() == TargetMode.EXTERNAL) {
target.getPackagePart().addRelationship(
rel.getTargetURI(), rel.getTargetMode(), rel.getRelationshipType(), rel.getId());
rel.getTargetURI(), rel.getTargetMode(), rel.getRelationshipType(), rel.getId());
} else {
XSSFRelation xssfRel = XSSFRelation.getInstance(rel.getRelationshipType());
if (xssfRel == null) {
@ -876,7 +894,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
break;
}
RelationPart rp = createRelationship(XSSFRelation.WORKSHEET, XSSFFactory.getInstance(), sheetNumber, false);
RelationPart rp = createRelationship(XSSFRelation.WORKSHEET, this.xssfFactory, sheetNumber, false);
XSSFSheet wrapper = rp.getDocumentPart();
wrapper.sheet = sheet;
sheet.setId(rp.getRelationship().getId());
@ -1445,7 +1463,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
* @param index the index to validate
* @throws IllegalArgumentException if the index is out of range (index
* &lt; 0 || index &gt;= getNumberOfSheets()).
*/
*/
private void validateSheetIndex(int index) {
int lastSheetIx = sheets.size() - 1;
if (index < 0 || index > lastSheetIx) {
@ -1855,7 +1873,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
}
for(PackageRelationship rel : sheet.getPackagePart().getRelationshipsByType(XSSFRelation.PACKEMBEDDINGS.getRelation())) {
embedds.add( sheet.getPackagePart().getRelatedPart(rel) );
embedds.add( sheet.getPackagePart().getRelatedPart(rel) );
}
}
return embedds;
@ -2298,7 +2316,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
OPCPackage opc = getPackage();
OutputStream outputStream;
if (!opc.containPart(ppName)) {
POIXMLDocumentPart relationship = createRelationship(XSSFRelation.VBA_MACROS, XSSFFactory.getInstance());
POIXMLDocumentPart relationship = createRelationship(XSSFRelation.VBA_MACROS, this.xssfFactory);
outputStream = relationship.getPackagePart().getOutputStream();
} else {
PackagePart part = opc.getPart(ppName);
@ -2359,7 +2377,7 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook {
@Override
public int addOlePackage(byte[] oleData, String label, String fileName, String command)
throws IOException {
throws IOException {
// find an unused part name
OPCPackage opc = getPackage();
PackagePartName pnOLE;