org.zkoss.poi.hslf

Class EncryptedSlideShow

java.lang.Object

org.zkoss.poi.hslf.EncryptedSlideShow

public final class EncryptedSlideShow
extends java.lang.Object

This class provides helper functions for determining if a PowerPoint document is Encrypted. In future, it may also provide Encryption and Decryption functions, but first we'd need to figure out how PowerPoint encryption is really done!

Author:

Nick Burch

Constructor Summary

Constructors

Constructor and Description
EncryptedSlideShow()

Method Summary

Modifier and Type	Method and Description
static boolean	checkIfEncrypted(HSLFSlideShow hss) Check to see if a HSLFSlideShow represents an encrypted PowerPoint document, or not
static DocumentEncryptionAtom	fetchDocumentEncryptionAtom(HSLFSlideShow hss) Return the DocumentEncryptionAtom for a HSLFSlideShow, or null if there isn't one.

Methods inherited from class java.lang.Object

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

Constructor Detail

EncryptedSlideShow

public EncryptedSlideShow()

Method Detail

checkIfEncrypted

public static boolean checkIfEncrypted(HSLFSlideShow hss)

Check to see if a HSLFSlideShow represents an encrypted PowerPoint document, or not

Parameters:

hss - The HSLFSlideShow to check

Returns:

true if encrypted, otherwise false

fetchDocumentEncryptionAtom

public static DocumentEncryptionAtom fetchDocumentEncryptionAtom(HSLFSlideShow hss)

Return the DocumentEncryptionAtom for a HSLFSlideShow, or null if there isn't one.

Returns:

a DocumentEncryptionAtom, or null if there isn't one