From: Andreas Beeker Date: Sat, 28 Dec 2019 22:39:26 +0000 (+0000) Subject: #64036 - remove reflective calls in Workbook- and SlideShowFactory X-Git-Tag: REL_4_1_2~64 X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=a0770034fcc878a697b715d0b6a6e53406b2d02d;p=poi.git #64036 - remove reflective calls in Workbook- and SlideShowFactory git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1872066 13f79535-47bb-0310-9956-ffa450edef68 --- diff --git a/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbookFactory.java b/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbookFactory.java index af9b26fe42..6b041d6a4d 100644 --- a/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbookFactory.java +++ b/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbookFactory.java @@ -31,6 +31,12 @@ import org.apache.poi.util.Internal; @SuppressWarnings("unused") @Internal public class HSSFWorkbookFactory extends WorkbookFactory { + + static { + WorkbookFactory.createHssfFromScratch = HSSFWorkbookFactory::createWorkbook; + WorkbookFactory.createHssfByNode = HSSFWorkbookFactory::createWorkbook; + } + /** * Create a new empty Workbook * diff --git a/src/java/org/apache/poi/sl/usermodel/SlideShowFactory.java b/src/java/org/apache/poi/sl/usermodel/SlideShowFactory.java index 76f08dabe8..84d98e70ac 100644 --- a/src/java/org/apache/poi/sl/usermodel/SlideShowFactory.java +++ b/src/java/org/apache/poi/sl/usermodel/SlideShowFactory.java @@ -20,21 +20,40 @@ import java.io.File; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; import org.apache.poi.EncryptedDocumentException; -import org.apache.poi.OldFileFormatException; import org.apache.poi.hssf.record.crypto.Biff8EncryptionKey; import org.apache.poi.poifs.crypt.Decryptor; import org.apache.poi.poifs.filesystem.DirectoryNode; import org.apache.poi.poifs.filesystem.DocumentFactoryHelper; import org.apache.poi.poifs.filesystem.FileMagic; -import org.apache.poi.poifs.filesystem.POIFSFileSystem; import org.apache.poi.poifs.filesystem.OfficeXmlFileException; +import org.apache.poi.poifs.filesystem.POIFSFileSystem; import org.apache.poi.util.IOUtils; -public class SlideShowFactory { +@SuppressWarnings("unchecked") +public abstract class SlideShowFactory { + + protected interface CreateSlideShow1 { + SlideShow apply(T t) throws IOException; + } + + protected interface CreateSlideShow2 { + SlideShow apply(T t, U u) throws IOException; + } + + // XMLSlideShow createSlideShow(InputStream stream) + protected static CreateSlideShow1 createXslfByStream; + + // XMLSlideShow createSlideShow(File file, boolean readOnly) + protected static CreateSlideShow2 createXslfByFile; + + // HSLFSlideShow createSlideShow(final POIFSFileSystem fs) + protected static CreateSlideShow1 createHslfByPoifs; + + // HSLFSlideShow createSlideShow(final DirectoryNode root) + protected static CreateSlideShow1 createHslfByNode; + /** * Creates a SlideShow from the given POIFSFileSystem. * @@ -106,8 +125,8 @@ public class SlideShowFactory { InputStream stream = null; try { stream = DocumentFactoryHelper.getDecryptedStream(root, password); - - return createXSLFSlideShow(stream); + initXslf(); + return (SlideShow) createXslfByStream.apply(stream); } finally { IOUtils.closeQuietly(stream); @@ -125,7 +144,8 @@ public class SlideShowFactory { passwordSet = true; } try { - return createHSLFSlideShow(root); + initHslf(); + return (SlideShow) createHslfByNode.apply(root); } finally { if (passwordSet) { Biff8EncryptionKey.setCurrentUserPassword(null); @@ -162,7 +182,7 @@ public class SlideShowFactory { /** * Creates the appropriate HSLFSlideShow / XMLSlideShow from * the given InputStream, which may be password protected. - * + * *

Note that using an {@link InputStream} has a higher memory footprint * than using a {@link File}.

* @@ -185,13 +205,14 @@ public class SlideShowFactory { > SlideShow create(InputStream inp, String password) throws IOException, EncryptedDocumentException { InputStream is = FileMagic.prepareToCheckMagic(inp); FileMagic fm = FileMagic.valueOf(is); - + switch (fm) { case OLE2: POIFSFileSystem fs = new POIFSFileSystem(is); return create(fs, password); case OOXML: - return createXSLFSlideShow(is); + initXslf(); + return (SlideShow) createXslfByStream.apply(is); default: throw new IOException("Your InputStream was neither an OLE2 stream, nor an OOXML stream"); } @@ -270,66 +291,31 @@ public class SlideShowFactory { return create(fs, password); } catch(OfficeXmlFileException e) { IOUtils.closeQuietly(fs); - return createXSLFSlideShow(file, readOnly); + initXslf(); + return (SlideShow) createXslfByFile.apply(file, readOnly); } catch(RuntimeException e) { IOUtils.closeQuietly(fs); throw e; } } - - private static < - S extends Shape, - P extends TextParagraph - > SlideShow createHSLFSlideShow(Object... args) throws IOException, EncryptedDocumentException { - return createSlideShow("org.apache.poi.hslf.usermodel.HSLFSlideShowFactory", args); + + private static void initXslf() throws IOException { + if (createXslfByFile == null) { + initFactory("org.apache.poi.xslf.usermodel.XSLFSlideShowFactory", "poi-ooxml-*.jar"); + } } - - private static < - S extends Shape, - P extends TextParagraph - > SlideShow createXSLFSlideShow(Object... args) throws IOException, EncryptedDocumentException { - return createSlideShow("org.apache.poi.xslf.usermodel.XSLFSlideShowFactory", args); + + private static void initHslf() throws IOException { + if (createHslfByPoifs == null) { + initFactory("org.apache.poi.hslf.usermodel.HSLFSlideShowFactory", "poi-scratchpad-*.jar"); + } } - private static < - S extends Shape, - P extends TextParagraph - > SlideShow createSlideShow(String factoryClass, Object[] args) throws IOException, EncryptedDocumentException { - final Class clazz; + private static void initFactory(String factoryClass, String jar) throws IOException { try { - clazz = SlideShowFactory.class.getClassLoader().loadClass(factoryClass); + Class.forName(factoryClass, true, SlideShowFactory.class.getClassLoader()); } catch (ClassNotFoundException e) { - throw new IOException(factoryClass+" not found - check if poi-scratchpad.jar is on the classpath."); - } - try { - Class[] argsClz = new Class[args.length]; - int i=0; - for (Object o : args) { - Class c = o.getClass(); - if (Boolean.class.isAssignableFrom(c)) { - c = boolean.class; - } else if (InputStream.class.isAssignableFrom(c)) { - c = InputStream.class; - } - argsClz[i++] = c; - } - Method m = clazz.getMethod("createSlideShow", argsClz); - return (SlideShow)m.invoke(null, args); - } catch (InvocationTargetException e) { - Throwable t = e.getCause(); - if (t instanceof IOException) { - throw (IOException)t; - } else if (t instanceof EncryptedDocumentException) { - throw (EncryptedDocumentException)t; - } else if (t instanceof OldFileFormatException) { - throw (OldFileFormatException)t; - } else if (t instanceof RuntimeException) { - throw (RuntimeException)t; - } else { - throw new IOException(t); - } - } catch (Exception e) { - throw new IOException(e); + throw new IOException(factoryClass+" not found - check if " + jar + " is on the classpath."); } } } diff --git a/src/java/org/apache/poi/ss/usermodel/WorkbookFactory.java b/src/java/org/apache/poi/ss/usermodel/WorkbookFactory.java index f94850147a..dac35db033 100644 --- a/src/java/org/apache/poi/ss/usermodel/WorkbookFactory.java +++ b/src/java/org/apache/poi/ss/usermodel/WorkbookFactory.java @@ -21,20 +21,16 @@ import java.io.File; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; -import java.util.Arrays; import org.apache.poi.EncryptedDocumentException; -import org.apache.poi.OldFileFormatException; import org.apache.poi.hssf.record.crypto.Biff8EncryptionKey; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.poifs.crypt.Decryptor; import org.apache.poi.poifs.filesystem.DirectoryNode; import org.apache.poi.poifs.filesystem.DocumentFactoryHelper; import org.apache.poi.poifs.filesystem.FileMagic; -import org.apache.poi.poifs.filesystem.POIFSFileSystem; import org.apache.poi.poifs.filesystem.OfficeXmlFileException; +import org.apache.poi.poifs.filesystem.POIFSFileSystem; import org.apache.poi.util.IOUtils; import org.apache.poi.util.Removal; @@ -43,7 +39,28 @@ import org.apache.poi.util.Removal; * (be it {@link HSSFWorkbook} or XSSFWorkbook), * by auto-detecting from the supplied input. */ -public class WorkbookFactory { +public abstract class WorkbookFactory { + + protected interface CreateWorkbook0 { + Workbook apply() throws IOException; + } + + protected interface CreateWorkbook1 { + Workbook apply(T t) throws IOException; + } + + protected interface CreateWorkbook2 { + Workbook apply(T t, U u) throws IOException; + } + + protected static CreateWorkbook0 createHssfFromScratch; + protected static CreateWorkbook1 createHssfByNode; + + protected static CreateWorkbook0 createXssfFromScratch; + protected static CreateWorkbook1 createXssfByStream; + protected static CreateWorkbook1 createXssfByPackage; + protected static CreateWorkbook2 createXssfByFile; + /** * Create a new empty Workbook, either XSSF or HSSF depending * on the parameter @@ -56,9 +73,11 @@ public class WorkbookFactory { */ public static Workbook create(boolean xssf) throws IOException { if(xssf) { - return createXSSFWorkbook(); + initXssf(); + return createXssfFromScratch.apply(); } else { - return createHSSFWorkbook(); + initHssf(); + return createHssfFromScratch.apply(); } } @@ -125,8 +144,8 @@ public class WorkbookFactory { InputStream stream = null; try { stream = DocumentFactoryHelper.getDecryptedStream(root, password); - - return createXSSFWorkbook(stream); + initXssf(); + return createXssfByStream.apply(stream); } finally { IOUtils.closeQuietly(stream); @@ -144,7 +163,8 @@ public class WorkbookFactory { passwordSet = true; } try { - return createHSSFWorkbook(root); + initHssf(); + return createHssfByNode.apply(root); } finally { if (passwordSet) { Biff8EncryptionKey.setCurrentUserPassword(null); @@ -172,7 +192,8 @@ public class WorkbookFactory { @Deprecated @Removal(version = "4.2.0") public static Workbook create(Object pkg) throws IOException { - return createXSSFWorkbook(pkg); + initXssf(); + return createXssfByPackage.apply(pkg); } /** @@ -231,7 +252,8 @@ public class WorkbookFactory { POIFSFileSystem fs = new POIFSFileSystem(is); return create(fs, password); case OOXML: - return createXSSFWorkbook(is); + initXssf(); + return createXssfByStream.apply(is); default: throw new IOException("Your InputStream was neither an OLE2 stream, nor an OOXML stream"); } @@ -301,60 +323,32 @@ public class WorkbookFactory { return create(fs, password); } catch(OfficeXmlFileException e) { IOUtils.closeQuietly(fs); - return createXSSFWorkbook(file, readOnly); + initXssf(); + return createXssfByFile.apply(file, readOnly); } catch(RuntimeException e) { IOUtils.closeQuietly(fs); throw e; } } - private static Workbook createHSSFWorkbook(Object... args) throws IOException, EncryptedDocumentException { - return createWorkbook("org.apache.poi.hssf.usermodel.HSSFWorkbookFactory", args); + private static void initXssf() throws IOException { + if (createXssfFromScratch == null) { + initFactory("org.apache.poi.xssf.usermodel.XSSFWorkbookFactory", "poi-ooxml-*.jar"); + } } - private static Workbook createXSSFWorkbook(Object... args) throws IOException, EncryptedDocumentException { - return createWorkbook("org.apache.poi.xssf.usermodel.XSSFWorkbookFactory", args); + private static void initHssf() throws IOException { + if (createHssfFromScratch == null) { + // HSSF is part of the main jar, so this shouldn't fail ... + initFactory("org.apache.poi.hssf.usermodel.HSSFWorkbookFactory", "poi-*.jar"); + } } - /** - * Does the actual call to HSSF or XSSF to do the creation. - * Uses reflection, so that this class can be in the Core non-OOXML - * POI jar without errors / broken references to the OOXML / XSSF code. - */ - private static Workbook createWorkbook(String factoryClass, Object[] args) throws IOException, EncryptedDocumentException { + private static void initFactory(String factoryClass, String jar) throws IOException { try { - Class clazz = WorkbookFactory.class.getClassLoader().loadClass(factoryClass); - Class[] argsClz = new Class[args.length]; - int i=0; - for (Object o : args) { - Class c = o.getClass(); - if (Boolean.class.isAssignableFrom(c)) { - c = boolean.class; - } else if (InputStream.class.isAssignableFrom(c)) { - c = InputStream.class; - } else if (File.class.isAssignableFrom(c)) { - c = File.class; - } - argsClz[i++] = c; - } - Method m = clazz.getMethod("createWorkbook", argsClz); - return (Workbook)m.invoke(null, args); - } catch (InvocationTargetException e) { - Throwable t = e.getCause(); - if (t instanceof IOException) { - throw (IOException)t; - } else if (t instanceof EncryptedDocumentException) { - throw (EncryptedDocumentException)t; - } else if (t instanceof OldFileFormatException) { - throw (OldFileFormatException)t; - } else if (t instanceof RuntimeException) { - throw (RuntimeException)t; - } else { - throw new IOException(t.getMessage(), t); - } - } catch (Exception e) { - throw new IOException("While trying to invoke 'createWorkbook' on factory " + factoryClass + - " and arguments " + Arrays.toString(args), e); + Class.forName(factoryClass, true, WorkbookFactory.class.getClassLoader()); + } catch (ClassNotFoundException e) { + throw new IOException(factoryClass+" not found - check if " + jar + " is on the classpath."); } } } diff --git a/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFSlideShowFactory.java b/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFSlideShowFactory.java index c62e24134d..548cdc7a08 100644 --- a/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFSlideShowFactory.java +++ b/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFSlideShowFactory.java @@ -31,6 +31,11 @@ import org.apache.poi.util.Internal; @Internal public class XSLFSlideShowFactory extends SlideShowFactory { + static { + SlideShowFactory.createXslfByFile = XSLFSlideShowFactory::createSlideShow; + SlideShowFactory.createXslfByStream = XSLFSlideShowFactory::createSlideShow; + } + /** * Creates a XMLSlideShow from the given OOXML Package. * This is a convenience method to go along the create-methods of the super class. @@ -43,7 +48,6 @@ public class XSLFSlideShowFactory extends SlideShowFactory { * @return The created SlideShow * * @throws IOException if an error occurs while reading the data - * @throws InvalidFormatException */ public static XMLSlideShow create(OPCPackage pkg) throws IOException { try { @@ -69,7 +73,6 @@ public class XSLFSlideShowFactory extends SlideShowFactory { * @return The created SlideShow * * @throws IOException if an error occurs while reading the data - * @throws InvalidFormatException */ public static XMLSlideShow createSlideShow(OPCPackage pkg) throws IOException { try { @@ -83,7 +86,7 @@ public class XSLFSlideShowFactory extends SlideShowFactory { throw ioe; } } - + /** * Creates the XMLSlideShow from the given File, which must exist and be readable. *

Note that in order to properly release resources theSlideShow should be closed after use. @@ -99,9 +102,13 @@ public class XSLFSlideShowFactory extends SlideShowFactory { */ @SuppressWarnings("resource") public static XMLSlideShow createSlideShow(File file, boolean readOnly) - throws IOException, InvalidFormatException { - OPCPackage pkg = OPCPackage.open(file, readOnly ? PackageAccess.READ : PackageAccess.READ_WRITE); - return createSlideShow(pkg); + throws IOException { + try { + OPCPackage pkg = OPCPackage.open(file, readOnly ? PackageAccess.READ : PackageAccess.READ_WRITE); + return createSlideShow(pkg); + } catch (InvalidFormatException e) { + throw new IOException(e); + } } /** @@ -115,12 +122,15 @@ public class XSLFSlideShowFactory extends SlideShowFactory { * @return The created SlideShow * * @throws IOException if an error occurs while reading the data - * @throws InvalidFormatException */ @SuppressWarnings("resource") - public static XMLSlideShow createSlideShow(InputStream stream) throws IOException, InvalidFormatException { - OPCPackage pkg = OPCPackage.open(stream); - return createSlideShow(pkg); + public static XMLSlideShow createSlideShow(InputStream stream) throws IOException { + try { + OPCPackage pkg = OPCPackage.open(stream); + return createSlideShow(pkg); + } catch (InvalidFormatException e) { + throw new IOException(e); + } } } diff --git a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFWorkbookFactory.java b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFWorkbookFactory.java index 7f72c163eb..a997307cab 100644 --- a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFWorkbookFactory.java +++ b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFWorkbookFactory.java @@ -29,6 +29,15 @@ import org.apache.poi.openxml4j.opc.ZipPackage; import org.apache.poi.ss.usermodel.WorkbookFactory; public class XSSFWorkbookFactory extends WorkbookFactory { + + static { + WorkbookFactory.createXssfFromScratch = XSSFWorkbookFactory::createWorkbook; + WorkbookFactory.createXssfByStream = XSSFWorkbookFactory::createWorkbook; + WorkbookFactory.createXssfByPackage = o -> XSSFWorkbookFactory.createWorkbook((OPCPackage)o); + WorkbookFactory.createXssfByFile = XSSFWorkbookFactory::createWorkbook; + } + + /** * Create a new empty Workbook * @@ -110,10 +119,13 @@ public class XSSFWorkbookFactory extends WorkbookFactory { * @throws EncryptedDocumentException If the wrong password is given for a protected file */ @SuppressWarnings("resource") - public static XSSFWorkbook createWorkbook(File file, boolean readOnly) - throws IOException, InvalidFormatException { - OPCPackage pkg = OPCPackage.open(file, readOnly ? PackageAccess.READ : PackageAccess.READ_WRITE); - return createWorkbook(pkg); + public static XSSFWorkbook createWorkbook(File file, boolean readOnly) throws IOException { + try { + OPCPackage pkg = OPCPackage.open(file, readOnly ? PackageAccess.READ : PackageAccess.READ_WRITE); + return createWorkbook(pkg); + } catch (InvalidFormatException e) { + throw new IOException(e); + } } /** @@ -127,11 +139,14 @@ public class XSSFWorkbookFactory extends WorkbookFactory { * @return The created Workbook * * @throws IOException if an error occurs while reading the data - * @throws InvalidFormatException if the package is not valid. */ @SuppressWarnings("resource") - public static XSSFWorkbook createWorkbook(InputStream stream) throws IOException, InvalidFormatException { - OPCPackage pkg = OPCPackage.open(stream); - return createWorkbook(pkg); + public static XSSFWorkbook createWorkbook(InputStream stream) throws IOException { + try { + OPCPackage pkg = OPCPackage.open(stream); + return createWorkbook(pkg); + } catch (InvalidFormatException e) { + throw new IOException(e); + } } } diff --git a/src/ooxml/testcases/org/apache/poi/ss/TestWorkbookFactory.java b/src/ooxml/testcases/org/apache/poi/ss/TestWorkbookFactory.java index 8309f05ff4..5df6ce2da3 100644 --- a/src/ooxml/testcases/org/apache/poi/ss/TestWorkbookFactory.java +++ b/src/ooxml/testcases/org/apache/poi/ss/TestWorkbookFactory.java @@ -52,9 +52,9 @@ public final class TestWorkbookFactory { private static final String[] xls_protected = new String[] {"password.xls", "password"}; private static final String[] xlsx_protected = new String[]{"protected_passtika.xlsx", "tika"}; private static final String txt = "SampleSS.txt"; - + private static final POILogger LOGGER = POILogFactory.getLogger(TestWorkbookFactory.class); - + /** * Closes the sample workbook read in from filename. * Throws an exception if closing the workbook results in the file on disk getting modified. @@ -70,7 +70,7 @@ public final class TestWorkbookFactory { assertArrayEquals(filename + " sample file was modified as a result of closing the workbook", before, after); } - + /** * bug 58779: Closing an XSSFWorkbook that was created with WorkbookFactory modifies the file * FIXME: replace this method with wb.close() when bug 58779 is resolved. @@ -353,56 +353,45 @@ public final class TestWorkbookFactory { // expected here } } - + /** * Check that a helpful exception is given on an empty input stream */ - @Test + @Test(expected = EmptyFileException.class) public void testEmptyInputStream() throws Exception { InputStream emptyStream = new ByteArrayInputStream(new byte[0]); - try { - WorkbookFactory.create(emptyStream); - fail("Shouldn't be able to create for an empty stream"); - } catch (final EmptyFileException expected) {} + WorkbookFactory.create(emptyStream); } - + /** * Check that a helpful exception is given on an empty file */ - @Test + @Test(expected = EmptyFileException.class) public void testEmptyFile() throws Exception { File emptyFile = TempFile.createTempFile("empty", ".poi"); try { WorkbookFactory.create(emptyFile); fail("Shouldn't be able to create for an empty file"); - } catch (final EmptyFileException expected) { - // expected here + } finally { + assertTrue(emptyFile.delete()); } - - assertTrue(emptyFile.delete()); } /** * Check that a helpful exception is raised on a non-existing file */ - @Test + @Test(expected = FileNotFoundException.class) public void testNonExistingFile() throws Exception { File nonExistingFile = new File("notExistingFile"); assertFalse(nonExistingFile.exists()); - - try { - WorkbookFactory.create(nonExistingFile, "password", true); - fail("Should not be able to create for a non-existing file"); - } catch (final FileNotFoundException e) { - // expected - } + WorkbookFactory.create(nonExistingFile, "password", true); } /** * See Bugzilla bug #62831 - #WorkbookFactory.create(File) needs * to work for sub-classes of File too, eg JFileChooser */ - @Test + @Test(expected = ClassCastException.class) public void testFileSubclass() throws Exception { File normalXLS = HSSFTestDataSamples.getSampleFile(xls); File normalXLSX = HSSFTestDataSamples.getSampleFile(xlsx); @@ -423,15 +412,11 @@ public final class TestWorkbookFactory { // check what happens if the file is passed as "Object" - try { - //noinspection deprecation - WorkbookFactory.create((Object)altXLSX); - fail("Will throw an exception"); - } catch(IOException e) { - // expected here because create() in this case expects an object of type "OPCPackage" - } + //noinspection deprecation + WorkbookFactory.create((Object)altXLSX); + // expected a ClassCastException here because create() in this case expects an object of type "OPCPackage" } - + private static class TestFile extends File { public TestFile(String file) { super(file); @@ -452,15 +437,10 @@ public final class TestWorkbookFactory { closeOrRevert(wb); } - @Test - public void testInvalidFormatException() { + @Test(expected = IOException.class) + public void testInvalidFormatException() throws IOException { String filename = "OPCCompliance_DerivedPartNameFAIL.docx"; - try { - WorkbookFactory.create(POIDataSamples.getOpenXML4JInstance().openResourceAsStream(filename)); - fail("Expecting an Exception for this document"); - } catch (IOException e) { - // expected here - } + WorkbookFactory.create(POIDataSamples.getOpenXML4JInstance().openResourceAsStream(filename)); } } diff --git a/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShowFactory.java b/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShowFactory.java index c25b13f2bd..42db16482e 100644 --- a/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShowFactory.java +++ b/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShowFactory.java @@ -31,6 +31,12 @@ import org.apache.poi.util.Internal; @SuppressWarnings("unused") @Internal public class HSLFSlideShowFactory extends SlideShowFactory { + + static { + SlideShowFactory.createHslfByNode = HSLFSlideShowFactory::createSlideShow; + SlideShowFactory.createHslfByPoifs = HSLFSlideShowFactory::createSlideShow; + } + /** * Creates a HSLFSlideShow from the given {@link POIFSFileSystem}

* Note that in order to properly release resources the