org.apache.poi.hslf
Class HSLFSlideShow

java.lang.Object
  extended by org.apache.poi.POIDocument
      extended by org.apache.poi.hslf.HSLFSlideShow

public final class HSLFSlideShow
extends POIDocument

This class contains the main functionality for the Powerpoint file "reader". It is only a very basic class for now

Author:
Nick Burch

Field Summary
 
Fields inherited from class org.apache.poi.POIDocument
directory
 
Constructor Summary
HSLFSlideShow(DirectoryNode dir)
          Constructs a Powerpoint document from a specific point in a POIFS Filesystem.
HSLFSlideShow(DirectoryNode dir, POIFSFileSystem filesystem)
          Deprecated. Use HSLFSlideShow(DirectoryNode) instead
HSLFSlideShow(java.io.InputStream inputStream)
          Constructs a Powerpoint document from an input stream.
HSLFSlideShow(NPOIFSFileSystem filesystem)
          Constructs a Powerpoint document from a POIFS Filesystem.
HSLFSlideShow(POIFSFileSystem filesystem)
          Constructs a Powerpoint document from a POIFS Filesystem.
HSLFSlideShow(java.lang.String fileName)
          Constructs a Powerpoint document from fileName.
 
Method Summary
 int addPicture(PictureData img)
          Add a new picture to this presentation.
 int appendRootLevelRecord(Record newRecord)
          Adds a new root level record, at the end, but before the last PersistPtrIncrementalBlock.
static HSLFSlideShow create()
          Constructs a new, empty, Powerpoint document.
 CurrentUserAtom getCurrentUserAtom()
          Fetch the Current User Atom of the document
 ObjectData[] getEmbeddedObjects()
          Gets embedded object data from the slide show.
 PictureData[] getPictures()
          Return array of pictures contained in this presentation
protected  DirectoryNode getPOIFSDirectory()
          Returns the directory in the underlying POIFSFileSystem for the document that is open.
protected  POIFSFileSystem getPOIFSFileSystem()
          Returns the underlying POIFSFileSystem for the document that is open.
 Record[] getRecords()
          Returns an array of all the records found in the slideshow
 byte[] getUnderlyingBytes()
          Returns an array of the bytes of the file.
 void write(java.io.OutputStream out)
          Writes out the slideshow file the is represented by an instance of this class.
 void write(java.io.OutputStream out, boolean preserveNodes)
          Writes out the slideshow file the is represented by an instance of this class.
 
Methods inherited from class org.apache.poi.POIDocument
copyNodeRecursively, copyNodes, copyNodes, createInformationProperties, getDocumentSummaryInformation, getPropertySet, getSummaryInformation, readProperties, writeProperties, writeProperties, writePropertySet
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

HSLFSlideShow

public HSLFSlideShow(java.lang.String fileName)
              throws java.io.IOException
Constructs a Powerpoint document from fileName. Parses the document and places all the important stuff into data structures.

Parameters:
fileName - The name of the file to read.
Throws:
java.io.IOException - if there is a problem while parsing the document.

HSLFSlideShow

public HSLFSlideShow(java.io.InputStream inputStream)
              throws java.io.IOException
Constructs a Powerpoint document from an input stream. Parses the document and places all the important stuff into data structures.

Parameters:
inputStream - the source of the data
Throws:
java.io.IOException - if there is a problem while parsing the document.

HSLFSlideShow

public HSLFSlideShow(POIFSFileSystem filesystem)
              throws java.io.IOException
Constructs a Powerpoint document from a POIFS Filesystem. Parses the document and places all the important stuff into data structures.

Parameters:
filesystem - the POIFS FileSystem to read from
Throws:
java.io.IOException - if there is a problem while parsing the document.

HSLFSlideShow

public HSLFSlideShow(NPOIFSFileSystem filesystem)
              throws java.io.IOException
Constructs a Powerpoint document from a POIFS Filesystem. Parses the document and places all the important stuff into data structures.

Parameters:
filesystem - the POIFS FileSystem to read from
Throws:
java.io.IOException - if there is a problem while parsing the document.

HSLFSlideShow

@Deprecated
public HSLFSlideShow(DirectoryNode dir,
                                POIFSFileSystem filesystem)
              throws java.io.IOException
Deprecated. Use HSLFSlideShow(DirectoryNode) instead

Constructs a Powerpoint document from a specific point in a POIFS Filesystem. Parses the document and places all the important stuff into data structures.

Parameters:
dir - the POIFS directory to read from
filesystem - the POIFS FileSystem to read from
Throws:
java.io.IOException - if there is a problem while parsing the document.

HSLFSlideShow

public HSLFSlideShow(DirectoryNode dir)
              throws java.io.IOException
Constructs a Powerpoint document from a specific point in a POIFS Filesystem. Parses the document and places all the important stuff into data structures.

Parameters:
dir - the POIFS directory to read from
Throws:
java.io.IOException - if there is a problem while parsing the document.
Method Detail

getPOIFSFileSystem

protected POIFSFileSystem getPOIFSFileSystem()
Returns the underlying POIFSFileSystem for the document that is open.


getPOIFSDirectory

protected DirectoryNode getPOIFSDirectory()
Returns the directory in the underlying POIFSFileSystem for the document that is open.


create

public static final HSLFSlideShow create()
Constructs a new, empty, Powerpoint document.


write

public void write(java.io.OutputStream out)
           throws java.io.IOException
Writes out the slideshow file the is represented by an instance of this class. It will write out the common OLE2 streams. If you require all streams to be written out, pass in preserveNodes

Specified by:
write in class POIDocument
Parameters:
out - The OutputStream to write to.
Throws:
java.io.IOException - If there is an unexpected IOException from the passed in OutputStream

write

public void write(java.io.OutputStream out,
                  boolean preserveNodes)
           throws java.io.IOException
Writes out the slideshow file the is represented by an instance of this class. If you require all streams to be written out (eg Marcos, embeded documents), then set preserveNodes to true

Parameters:
out - The OutputStream to write to.
preserveNodes - Should all OLE2 streams be written back out, or only the common ones?
Throws:
java.io.IOException - If there is an unexpected IOException from the passed in OutputStream

appendRootLevelRecord

public int appendRootLevelRecord(Record newRecord)
Adds a new root level record, at the end, but before the last PersistPtrIncrementalBlock.


addPicture

public int addPicture(PictureData img)
Add a new picture to this presentation.

Returns:
offset of this picture in the Pictures stream

getRecords

public Record[] getRecords()
Returns an array of all the records found in the slideshow


getUnderlyingBytes

public byte[] getUnderlyingBytes()
Returns an array of the bytes of the file. Only correct after a call to open or write - at all other times might be wrong!


getCurrentUserAtom

public CurrentUserAtom getCurrentUserAtom()
Fetch the Current User Atom of the document


getPictures

public PictureData[] getPictures()
Return array of pictures contained in this presentation

Returns:
array with the read pictures or null if the presentation doesn't contain pictures.

getEmbeddedObjects

public ObjectData[] getEmbeddedObjects()
Gets embedded object data from the slide show.

Returns:
the embedded objects.


Copyright 2012 The Apache Software Foundation or its licensors, as applicable.