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## org.apache.poi.hslf.usermodel
Class HSLFSlideShowEncrypted

    java.lang.Object
      org.apache.poi.hslf.usermodel.HSLFSlideShowEncrypted

All Implemented Interfaces:
  java.io.Closeable

    @Internal
    public class HSLFSlideShowEncrypted

extends java.lang.Object
implements java.io.Closeable

This class provides helper functions for encrypted PowerPoint documents.

Constructor Summary
`protected` | `HSLFSlideShowEncrypted(byte[] docstream, java.util.NavigableMap<java.lang.Integer,Record> recordMap)`
`protected` | `HSLFSlideShowEncrypted(DocumentEncryptionAtom dea)`

Method Summary
`protected static Record[]` | `addEncryptionRecord(Record[] records, DocumentEncryptionAtom dea)`
`void` | `close()`
`protected void` | `decryptPicture(byte[] pictstream, int offset)`
`protected void` | `decryptRecord(byte[] docstream, int persistId, int offset)`
`protected void` | `encryptPicture(byte[] pictstream, int offset)`
`protected java.io.OutputStream` | `encryptRecord(java.io.OutputStream plainStream, int persistId, Record record)`
`DocumentEncryptionAtom` | `getDocumentEncryptionAtom()`
`protected EncryptionInfo` | `getEncryptionInfo()`
`protected static Record[]` | `normalizeRecords(Record[] records)` remove duplicated UserEditAtoms and merge PersistPtrHolder.
`protected static Record[]` | `removeEncryptionRecord(Record[] records)`
`protected Record[]` | `updateEncryptionRecord(Record[] records)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### HSLFSlideShowEncrypted

    protected HSLFSlideShowEncrypted(DocumentEncryptionAtom dea)

### HSLFSlideShowEncrypted

    protected HSLFSlideShowEncrypted(byte[] docstream,
                                     java.util.NavigableMap<java.lang.Integer,Record> recordMap)

Method Detail

### getDocumentEncryptionAtom

    public DocumentEncryptionAtom getDocumentEncryptionAtom()

### getEncryptionInfo

    protected EncryptionInfo getEncryptionInfo()

### encryptRecord

    protected java.io.OutputStream encryptRecord(java.io.OutputStream plainStream,
                                                 int persistId,
                                                 Record record)

### decryptRecord

    protected void decryptRecord(byte[] docstream,
                                 int persistId,
                                 int offset)

### decryptPicture

    protected void decryptPicture(byte[] pictstream,
                                  int offset)

### encryptPicture

    protected void encryptPicture(byte[] pictstream,
                                  int offset)

### updateEncryptionRecord

    protected Record[] updateEncryptionRecord(Record[] records)

### normalizeRecords

    protected static Record[] normalizeRecords(Record[] records)

  remove duplicated UserEditAtoms and merge PersistPtrHolder. Before this method is called, make sure that the offsets are correct, i.e. call `HSLFSlideShowImpl.updateAndWriteDependantRecords(OutputStream, Map)`

### removeEncryptionRecord

    protected static Record[] removeEncryptionRecord(Record[] records)

### addEncryptionRecord

    protected static Record[] addEncryptionRecord(Record[] records,
                                                  DocumentEncryptionAtom dea)

### close

    public void close()
               throws java.io.IOException

  Specified by:
    `close` in interface `java.io.Closeable`
  Throws:
    `java.io.IOException`

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Copyright 2017 The Apache Software Foundation or its licensors, as applicable.