Package org.apache.poi.poifs.filesystem

Class DocumentFactoryHelper

java.lang.Object

org.apache.poi.poifs.filesystem.DocumentFactoryHelper

@Internal
public final class DocumentFactoryHelper
extends Object

A small base class for the various factories, e.g. WorkbookFactory, SlideShowFactory to combine common code here.

Method Summary

Modifier and Type	Method	Description
static InputStream	getDecryptedStream(DirectoryNode root, String password)	Wrap the OLE2 data of the DirectoryNode into a decrypted stream by using the given password.
static InputStream	getDecryptedStream(POIFSFileSystem fs, String password)	Wrap the OLE2 data in the POIFSFileSystem into a decrypted stream by using the given password.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getDecryptedStream

public static InputStream getDecryptedStream(POIFSFileSystem fs,
 String password)
                                      throws IOException

Wrap the OLE2 data in the POIFSFileSystem into a decrypted stream by using the given password.

Parameters:

fs - The OLE2 stream for the document

password - The password, null if the default password should be used

Returns:

A stream for reading the decrypted data

Throws:

IOException - If an error occurs while decrypting or if the password does not match

getDecryptedStream

public static InputStream getDecryptedStream(DirectoryNode root,
 String password)
                                      throws IOException

Wrap the OLE2 data of the DirectoryNode into a decrypted stream by using the given password.

Parameters:

root - The OLE2 directory node for the document

password - The password, null if the default password should be used

Returns:

A stream for reading the decrypted data

Throws:

IOException - If an error occurs while decrypting or if the password does not match