PdfRevisionsReader

java.lang.Object
- com.itextpdf.kernel.pdf.PdfRevisionsReader

```
public class PdfRevisionsReader
extends java.lang.Object
```
Class to retrieve important information about PDF document revisions.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

(package private) static class PdfRevisionsReader.RevisionsXrefProcessor

Field Summary

Fields
Modifier and Type Field Description

private java.util.List<DocumentRevision> documentRevisions

private IMetaInfo metaInfo

private PdfReader reader

Constructor Summary

Constructors
Constructor Description

PdfRevisionsReader(PdfReader reader)
Creates PdfRevisionsReader class.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.List<DocumentRevision>`	`getAllRevisions()`	Gets information about PDF document revisions.
`void`	`setEventCountingMetaInfo(IMetaInfo metaInfo)`	Sets the `IMetaInfo` that will be used during `PdfDocument` creation.

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

- Field Detail
  - reader
```
private final PdfReader reader
```
  - documentRevisions
```
private java.util.List<DocumentRevision> documentRevisions
```
  - metaInfo
```
private IMetaInfo metaInfo
```
- Constructor Detail
  - PdfRevisionsReader
```
public PdfRevisionsReader(PdfReader reader)
```
    Creates PdfRevisionsReader class.
    
    Parameters:
    
    reader - PdfReader instance from which revisions to be collected
- Method Detail
  - setEventCountingMetaInfo
```
public void setEventCountingMetaInfo(IMetaInfo metaInfo)
```
    Sets the IMetaInfo that will be used during PdfDocument creation.
    
    Parameters:
    
    metaInfo - meta info to set
  - getAllRevisions
```
public java.util.List<DocumentRevision> getAllRevisions()
                                                 throws java.io.IOException
```
    Gets information about PDF document revisions.
    
    Returns:
    
    List of DocumentRevision objects
    
    Throws:
    
    java.io.IOException - in case of input-output related exceptions during PDF document reading