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Support for getting OLE object data from slide show. See Bug 43247 for details.

Browse Source 
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@573872 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yegor Kozlov 2007-09-08 16:12:29 +00:00
parent f52957b77d
commit a82e65ea7b
10 changed files with 847 additions and 22 deletions
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62
src/scratchpad/src/org/apache/poi/hslf/HSLFSlideShow.java
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@ -20,28 +20,37 @@
package org.apache.poi.hslf;
import java.util.*;
import java.io.*;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import org.apache.poi.POIDocument;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.poifs.filesystem.DocumentEntry;
import org.apache.poi.poifs.filesystem.DocumentInputStream;
import org.apache.poi.hpsf.PropertySet;
import org.apache.poi.hpsf.PropertySetFactory;
import org.apache.poi.hpsf.MutablePropertySet;
import org.apache.poi.hpsf.SummaryInformation;
import org.apache.poi.hpsf.DocumentSummaryInformation;
import org.apache.poi.hslf.exceptions.CorruptPowerPointFileException;
import org.apache.poi.hslf.exceptions.EncryptedPowerPointFileException;
import org.apache.poi.hslf.exceptions.HSLFException;
import org.apache.poi.hslf.record.*;
import org.apache.poi.hslf.record.CurrentUserAtom;
import org.apache.poi.hslf.record.ExOleObjStg;
import org.apache.poi.hslf.record.PersistPtrHolder;
import org.apache.poi.hslf.record.PositionDependentRecord;
import org.apache.poi.hslf.record.Record;
import org.apache.poi.hslf.record.UserEditAtom;
import org.apache.poi.hslf.usermodel.ObjectData;
import org.apache.poi.hslf.usermodel.PictureData;
import org.apache.poi.poifs.filesystem.DocumentEntry;
import org.apache.poi.poifs.filesystem.DocumentInputStream;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
/**
* This class contains the main functionality for the Powerpoint file
@ -69,6 +78,9 @@ public class HSLFSlideShow extends POIDocument
// Raw Pictures contained in the pictures stream
private PictureData[] _pictures;
// Embedded objects stored in storage records in the document stream, lazily populated.
private ObjectData[] _objects;
/**
* Returns the underlying POIFSFileSystem for the document
* that is open.
@ -507,4 +519,22 @@ public class HSLFSlideShow extends POIDocument
public PictureData[] getPictures() {
return _pictures;
}
/**
* Gets embedded object data from the slide show.
*
* @return the embedded objects.
*/
public ObjectData[] getEmbeddedObjects() {
if (_objects == null) {
List objects = new ArrayList();
for (int i = 0; i < _records.length; i++) {
if (_records[i] instanceof ExOleObjStg) {
objects.add(new ObjectData((ExOleObjStg) _records[i]));
}
}
_objects = (ObjectData[]) objects.toArray(new ObjectData[objects.size()]);
}
return _objects;
}
}

8
src/scratchpad/src/org/apache/poi/hslf/record/CString.java
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@ -111,4 +111,12 @@ public class CString extends RecordAtom {
// Write out our text
out.write(_text);
}
/**
* Gets a string representation of this object, primarily for debugging.
* @return a string representation of this object.
*/
public String toString() {
return getText();
}
}

188
src/scratchpad/src/org/apache/poi/hslf/record/ExEmbed.java Normal file
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@ -0,0 +1,188 @@
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.hslf.record;
import java.io.OutputStream;
import java.io.IOException;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.POILogger;
/**
* This data represents an embedded object in the document.
*
* @author Daniel Noll
*/
public class ExEmbed extends RecordContainer {
/**
* Record header data.
*/
private byte[] _header;
// Links to our more interesting children
private ExEmbedAtom embedAtom;
private ExOleObjAtom oleObjAtom;
private CString menuName;
private CString progId;
private CString clipboardName;
/**
* Set things up, and find our more interesting children
*
* @param source the source data as a byte array.
* @param start the start offset into the byte array.
* @param len the length of the slice in the byte array.
*/
protected ExEmbed(byte[] source, int start, int len) {
// Grab the header
_header = new byte[8];
System.arraycopy(source,start,_header,0,8);
// Find our children
_children = Record.findChildRecords(source,start+8,len-8);
findInterestingChildren();
}
/**
* Create a new ExEmbed, with blank fields
*/
public ExEmbed() {
_header = new byte[8];
_children = new Record[5];
// Setup our header block
_header[0] = 0x0f; // We are a container record
LittleEndian.putShort(_header, 2, (short)getRecordType());
// Setup our child records
CString cs1 = new CString();
CString cs2 = new CString();
CString cs3 = new CString();
// cs1.setCount(0x00);
// cs2.setCount(0x10);
_children[0] = new ExEmbedAtom();
_children[1] = new ExOleObjAtom();
_children[2] = cs1;
_children[3] = cs2;
_children[4] = cs3;
findInterestingChildren();
}
/**
* Go through our child records, picking out the ones that are
* interesting, and saving those for use by the easy helper methods.
*/
private void findInterestingChildren() {
// First child should be the ExHyperlinkAtom
if(_children[0] instanceof ExEmbedAtom) {
embedAtom = (ExEmbedAtom)_children[0];
} else {
logger.log(POILogger.ERROR, "First child record wasn't a ExEmbedAtom, was of type " + _children[0].getRecordType());
}
// Second child should be the ExOleObjAtom
if (_children[1] instanceof ExOleObjAtom) {
oleObjAtom = (ExOleObjAtom)_children[1];
} else {
logger.log(POILogger.ERROR, "Second child record wasn't a ExOleObjAtom, was of type " + _children[1].getRecordType());
}
for (int i = 2; i < _children.length; i++) {
if (_children[i] instanceof CString){
if (menuName == null) menuName = (CString)_children[i];
else if (progId == null) progId = (CString)_children[i];
else if (clipboardName == null) clipboardName = (CString)_children[i];
} else {
logger.log(POILogger.ERROR, "Record after atoms wasn't a CString, was of type " + _children[i].getRecordType());
}
}
}
/**
* Gets the {@code ExEmbedAtom}.
*
* @return the {@code ExEmbedAtom}.
*/
public ExEmbedAtom getExEmbedAtom()
{
return embedAtom;
}
/**
* Gets the {@code ExOleObjAtom}.
*
* @return the {@code ExOleObjAtom}.
*/
public ExOleObjAtom getExOleObjAtom()
{
return oleObjAtom;
}
/**
* Gets the name used for menus and the Links dialog box.
*
* @return the name used for menus and the Links dialog box.
*/
public String getMenuName()
{
return menuName == null ? null : menuName.getText();
}
/**
* Gets the OLE Programmatic Identifier.
*
* @return the OLE Programmatic Identifier.
*/
public String getProgId()
{
return progId == null ? null : progId.getText();
}
/**
* Gets the name that appears in the paste special dialog.
*
* @return the name that appears in the paste special dialog.
*/
public String getClipboardName()
{
return clipboardName == null ? null : clipboardName.getText();
}
/**
* Returns the type (held as a little endian in bytes 3 and 4)
* that this class handles.
*
* @return the record type.
*/
public long getRecordType() {
return RecordTypes.ExEmbed.typeID;
}
/**
* Have the contents printer out into an OutputStream, used when
* writing a file back out to disk.
*
* @param out the output stream.
* @throws IOException if there was an error writing to the stream.
*/
public void writeOut(OutputStream out) throws IOException {
writeOut(_header[0],_header[1],getRecordType(),_children,out);
}
}

161
src/scratchpad/src/org/apache/poi/hslf/record/ExEmbedAtom.java Normal file
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@ -0,0 +1,161 @@
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.hslf.record;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.poi.util.LittleEndian;
/**
* The atom that holds metadata on a specific embedded object in the document.
*
* <!--
* 0 sint4 followColorScheme This field indicates how the object follows the color scheme. Valid values are:
* 0 - doesn't follow the color scheme
* 1 - follows the entire color scheme
* 2 - follows the text and background scheme
*
* 4 bool1 cantLockServerB Set if the embedded server can not be locked
* 5 bool1 noSizeToServerB Set if don't need to send the dimension to the embedded object
* 6 Bool1 isTable Set if the object is a Word table
* -->
*
* @author Daniel Noll
*/
public class ExEmbedAtom extends RecordAtom {
/**
* Embedded document does not follow the color scheme.
*/
public static final int DOES_NOT_FOLLOW_COLOR_SCHEME = 0;
/**
* Embedded document follows the entire color scheme.
*/
public static final int FOLLOWS_ENTIRE_COLOR_SCHEME = 1;
/**
* Embedded document follows the text and background scheme.
*/
public static final int FOLLOWS_TEXT_AND_BACKGROUND_SCHEME = 2;
/**
* Record header.
*/
private byte[] _header;
/**
* Record data.
*/
private byte[] _data;
/**
* Constructs a brand new embedded object atom record.
*/
protected ExEmbedAtom() {
_header = new byte[8];
_data = new byte[7];
LittleEndian.putShort(_header, 2, (short)getRecordType());
LittleEndian.putInt(_header, 4, _data.length);
// It is fine for the other values to be zero
}
/**
* Constructs the embedded object atom record from its source data.
*
* @param source the source data as a byte array.
* @param start the start offset into the byte array.
* @param len the length of the slice in the byte array.
*/
protected ExEmbedAtom(byte[] source, int start, int len) {
// Get the header.
_header = new byte[8];
System.arraycopy(source,start,_header,0,8);
// Get the record data.
_data = new byte[len-8];
System.arraycopy(source,start+8,_data,0,len-8);
// Must be at least 4 bytes long
if(_data.length < 7) {
throw new IllegalArgumentException("The length of the data for a ExEmbedAtom must be at least 4 bytes, but was only " + _data.length);
}
}
/**
* Gets whether the object follows the color scheme.
*
* @return one of {@link #DOES_NOT_FOLLOW_COLOR_SCHEME},
* {@link #FOLLOWS_ENTIRE_COLOR_SCHEME}, or
* {@link #FOLLOWS_TEXT_AND_BACKGROUND_SCHEME}.
*/
public int getFollowColorScheme() {
return LittleEndian.getInt(_data, 0);
}
/**
* Gets whether the embedded server cannot be locked.
*
* @return {@code true} if the embedded server cannot be locked.
*/
public boolean getCantLockServerB() {
return _data[4] != 0;
}
/**
* Gets whether it is not required to send the dimensions to the embedded object.
*
* @return {@code true} if the embedded server does not require the object dimensions.
*/
public boolean getNoSizeToServerB() {
return _data[5] != 0;
}
/**
* Getswhether the object is a Word table.
*
* @return {@code true} if the object is a Word table.
*/
public boolean getIsTable() {
return _data[6] != 0;
}
/**
* Gets the record type.
* @return the record type.
*/
public long getRecordType() {
return RecordTypes.ExEmbedAtom.typeID;
}
/**
* Write the contents of the record back, so it can be written
* to disk
*
* @param out the output stream to write to.
* @throws IOException if an error occurs.
*/
public void writeOut(OutputStream out) throws IOException {
out.write(_header);
out.write(_data);
}
}

213
src/scratchpad/src/org/apache/poi/hslf/record/ExOleObjAtom.java Normal file
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@ -0,0 +1,213 @@
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.hslf.record;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.poi.util.LittleEndian;
/**
* Atom storing information for an OLE object.
*
* <!--
* offset type name description
*
* 0 uint4 drawAspect Stores whether the object can be completely seen
* (value of 1), or if only the icon is visible (value of 4).
*
* 4 sint4 type Specifies whether the object is embedded or linked.
* 0 - embedded
* 1 - linked
*
* 8 sint4 objID Unique identifier for the OLE object
*
* 2 sint4 subType This specifies the type of ole object.
* 0 - Default object
* 1 - Microsoft Clipart Gallery
* 2 - Microsoft Word table
* 3 - Microsoft Excel
* 4 - Microsoft Graph
* 5 - Microsoft Organization Chart
* 6 - Microsoft Equation Editor
* 7 - Microsoft Wordart object
* 8 - Sound
* 9 - Image
* 10 - PowerPoint presentation
* 11 - PowerPoint slide
* 12 - Microsoft Project
* 13 - Microsoft Note-It Ole
* 14 - Microsoft Excel chart
* 15 - Media Player object
*
* 16 sint4 objStgDataRef Reference to persist object
*
* 20 bool1 isBlank Set if the object's image is blank
* (note: KOffice has this as an int.)
* -->
*
* @author Daniel Noll
*/
public class ExOleObjAtom extends RecordAtom {
public static final int DRAW_ASPECT_VISIBLE = 1;
public static final int DRAW_ASPECT_ICON = 4;
public static final int TYPE_EMBEDDED = 0;
public static final int TYPE_LINKED = 1;
public static final int SUBTYPE_DEFAULT = 0;
public static final int SUBTYPE_CLIPART_GALLERY = 1;
public static final int SUBTYPE_WORD_TABLE = 2;
public static final int SUBTYPE_EXCEL = 3;
public static final int SUBTYPE_GRAPH = 4;
public static final int SUBTYPE_ORGANIZATION_CHART = 5;
public static final int SUBTYPE_EQUATION = 6;
public static final int SUBTYPE_WORDART = 7;
public static final int SUBTYPE_SOUND = 8;
public static final int SUBTYPE_IMAGE = 9;
public static final int SUBTYPE_POWERPOINT_PRESENTATION = 10;
public static final int SUBTYPE_POWERPOINT_SLIDE = 11;
public static final int SUBTYPE_PROJECT = 12;
public static final int SUBTYPE_NOTEIT = 13;
public static final int SUBTYPE_EXCEL_CHART = 14;
public static final int SUBTYPE_MEDIA_PLAYER = 15;
/**
* Record header.
*/
private byte[] _header;
/**
* Record data.
*/
private byte[] _data;
/**
* Constructs a brand new link related atom record.
*/
protected ExOleObjAtom() {
_header = new byte[8];
_data = new byte[18];
LittleEndian.putShort(_header, 2, (short)getRecordType());
LittleEndian.putInt(_header, 4, _data.length);
// I hope it is fine for the other values to be zero.
}
/**
* Constructs the link related atom record from its
* source data.
*
* @param source the source data as a byte array.
* @param start the start offset into the byte array.
* @param len the length of the slice in the byte array.
*/
protected ExOleObjAtom(byte[] source, int start, int len) {
// Get the header.
_header = new byte[8];
System.arraycopy(source,start,_header,0,8);
// Get the record data.
_data = new byte[len-8];
System.arraycopy(source,start+8,_data,0,len-8);
// Must be at least 24 bytes long
if(_data.length < 24) {
throw new IllegalArgumentException("The length of the data for a ExOleObjAtom must be at least 24 bytes, but was only " + _data.length);
}
}
/**
* Gets whether the object can be completely seen, or if only the
* icon is visible.
*
* @return the draw aspect, one of the {@code DRAW_ASPECT_*} constants.
*/
public int getDrawAspect() {
return LittleEndian.getInt(_data, 0);
}
/**
* Gets whether the object is embedded or linked.
*
* @return the type, one of the {@code TYPE_EMBEDDED_*} constants.
*/
public int getType() {
return LittleEndian.getInt(_data, 4);
}
/**
* Gets the unique identifier for the OLE object.
*
* @return the object ID.
*/
public int getObjID() {
return LittleEndian.getInt(_data, 8);
}
/**
* Gets the type of OLE object.
*
* @return the sub-type, one of the {@code SUBTYPE_*} constants.
*/
public int getSubType() {
return LittleEndian.getInt(_data, 12);
}
/**
* Gets the reference to the persistent object
*
* @return the reference to the persistent object, corresponds with an
* {@code ExOleObjStg} storage container.
*/
public int getObjStgDataRef() {
return LittleEndian.getInt(_data, 16);
}
/**
* Gets whether the object's image is blank.
*
* @return {@code true} if the object's image is blank.
*/
public boolean getIsBlank() {
// Even though this is a mere boolean, KOffice's code says it's an int.
return LittleEndian.getInt(_data, 20) != 0;
}
/**
* Returns the type (held as a little endian in bytes 3 and 4)
* that this class handles.
*/
public long getRecordType() {
return RecordTypes.ExOleObjAtom.typeID;
}
/**
* Have the contents printer out into an OutputStream, used when
* writing a file back out to disk
* (Normally, atom classes will keep their bytes around, but
* non atom classes will just request the bytes from their
* children, then chuck on their header and return)
*/
public void writeOut(OutputStream out) throws IOException {
out.write(_header);
out.write(_data);
}
}

112
src/scratchpad/src/org/apache/poi/hslf/record/ExOleObjStg.java Normal file
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@ -0,0 +1,112 @@
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.hslf.record;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.InflaterInputStream;
import org.apache.poi.util.LittleEndian;
/**
* Storage for embedded OLE objects.
*
* @author Daniel Noll
*/
public class ExOleObjStg extends RecordAtom {
/**
* Record header.
*/
private byte[] _header;
/**
* Record data.
*/
private byte[] _data;
/**
* Constructs a new empty storage container.
*/
protected ExOleObjStg() {
_header = new byte[8];
_data = new byte[0];
LittleEndian.putShort(_header, 2, (short)getRecordType());
LittleEndian.putInt(_header, 4, _data.length);
}
/**
* Constructs the link related atom record from its
* source data.
*
* @param source the source data as a byte array.
* @param start the start offset into the byte array.
* @param len the length of the slice in the byte array.
*/
protected ExOleObjStg(byte[] source, int start, int len) {
// Get the header.
_header = new byte[8];
System.arraycopy(source,start,_header,0,8);
// Get the record data.
_data = new byte[len-8];
System.arraycopy(source,start+8,_data,0,len-8);
}
/**
* Gets the uncompressed length of the data.
*
* @return the uncompressed length of the data.
*/
public int getDataLength() {
return LittleEndian.getInt(_data, 0);
}
/**
* Opens an input stream which will decompress the data on the fly.
*
* @return the data input stream.
*/
public InputStream getData() {
InputStream compressedStream = new ByteArrayInputStream(_data, 4, _data.length);
return new InflaterInputStream(compressedStream);
}
/**
* Gets the record type.
*
* @return the record type.
*/
public long getRecordType() {
return RecordTypes.ExOleObjStg.typeID;
}
/**
* Write the contents of the record back, so it can be written
* to disk.
*
* @param out the output stream to write to.
* @throws IOException if an error occurs.
*/
public void writeOut(OutputStream out) throws IOException {
out.write(_header);
out.write(_data);
}
}

8
src/scratchpad/src/org/apache/poi/hslf/record/RecordTypes.java
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@ -98,11 +98,11 @@ public class RecordTypes {
public static final Type FontEmbeddedData = new Type(4024,null);
public static final Type CString = new Type(4026,CString.class);
public static final Type MetaFile = new Type(4033,null);
public static final Type ExOleObjAtom = new Type(4035,null);
public static final Type ExOleObjAtom = new Type(4035,ExOleObjAtom.class);
public static final Type SrKinsoku = new Type(4040,null);
public static final Type HandOut = new Type(4041,null);
public static final Type ExEmbed = new Type(4044,null);
public static final Type ExEmbedAtom = new Type(4045,null);
public static final Type ExEmbed = new Type(4044,ExEmbed.class);
public static final Type ExEmbedAtom = new Type(4045,ExEmbedAtom.class);
public static final Type ExLink = new Type(4046,null);
public static final Type BookmarkEntityAtom = new Type(4048,null);
public static final Type ExLinkAtom = new Type(4049,null);
@ -136,7 +136,7 @@ public class RecordTypes {
public static final Type ExCDAudio = new Type(4110,null);
public static final Type ExWAVAudioEmbedded = new Type(4111,null);
public static final Type ExWAVAudioLink = new Type(4112,null);
public static final Type ExOleObjStg = new Type(4113,null);
public static final Type ExOleObjStg = new Type(4113,ExOleObjStg.class);
public static final Type ExCDAudioAtom = new Type(4114,null);
public static final Type ExWAVAudioEmbeddedAtom = new Type(4115,null);
public static final Type AnimationInfoAtom = new Type(4116,null);

51
src/scratchpad/src/org/apache/poi/hslf/usermodel/ObjectData.java Normal file
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@ -0,0 +1,51 @@
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.hslf.usermodel;
import java.io.InputStream;
import org.apache.poi.hslf.record.ExOleObjStg;
/**
* A class that represents object data embedded in a slide show.
*
* @author Daniel Noll
*/
public class ObjectData {
/**
* The record that contains the object data.
*/
private ExOleObjStg storage;
/**
* Creates the object data wrapping the record that contains the object data.
*
* @param storage the record that contains the object data.
*/
public ObjectData(ExOleObjStg storage) {
this.storage = storage;
}
/**
* Gets an input stream which returns the binary of the embedded data.
*
* @return the input stream which will contain the binary of the embedded data.
*/
public InputStream getData() {
return storage.getData();
}
}

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/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.hslf.model;
import java.io.*;
import org.apache.poi.hslf.HSLFSlideShow;
import org.apache.poi.hslf.usermodel.ObjectData;
import org.apache.poi.hslf.usermodel.PictureData;
import junit.framework.TestCase;
public class TestOleEmbedding extends TestCase
{
/**
* Tests support for OLE objects.
*
* @throws Exception if an error occurs.
*/
public void testOleEmbedding2003() throws Exception
{
String dirname = System.getProperty("HSLF.testdata.path");
File file = new File(dirname, "ole2-embedding-2003.ppt");
HSLFSlideShow slideShow = new HSLFSlideShow(new FileInputStream(file));
try
{
// Placeholder EMFs for clients that don't support the OLE components.
PictureData[] pictures = slideShow.getPictures();
assertEquals("Should be two pictures", 2, pictures.length);
//assertDigestEquals("Wrong data for picture 1", "8d1fbadf4814f321bb1ccdd056e3c788", pictures[0].getData());
//assertDigestEquals("Wrong data for picture 2", "987a698e83559cf3d38a0deeba1cc63b", pictures[1].getData());
// Actual embedded objects.
ObjectData[] objects = slideShow.getEmbeddedObjects();
assertEquals("Should be two objects", 2, objects.length);
//assertDigestEquals("Wrong data for objecs 1", "0d1fcc61a83de5c4894dc0c88e9a019d", objects[0].getData());
//assertDigestEquals("Wrong data for object 2", "b323604b2003a7299c77c2693b641495", objects[1].getData());
}
finally
{
slideShow.close();
}
}
}