ChangeSetPerformer (Apache Commons Compress 1.13 API)

java.lang.Object
- org.apache.commons.compress.changes.ChangeSetPerformer

```
public class ChangeSetPerformer
extends Object
```
Performs ChangeSet operations on a stream. This class is thread safe and can be used multiple times. It operates on a copy of the ChangeSet. If the ChangeSet changes, a new Performer must be created.

This class is immutable

This class is thread-safe

Constructor Summary

Constructors
Constructor and Description

ChangeSetPerformer(ChangeSet changeSet)
Constructs a ChangeSetPerformer with the changes from this ChangeSet

Constructors
Constructor and Description
`ChangeSetPerformer(ChangeSet changeSet)` Constructs a ChangeSetPerformer with the changes from this ChangeSet

Method Summary

Methods
Modifier and Type	Method and Description
`ChangeSetResults`	`perform(ArchiveInputStream in, ArchiveOutputStream out)` Performs all changes collected in this ChangeSet on the input stream and streams the result to the output stream.
`ChangeSetResults`	`perform(ZipFile in, ArchiveOutputStream out)` Performs all changes collected in this ChangeSet on the ZipFile and streams the result to the output stream.

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

- Constructor Detail
  - ChangeSetPerformer
```
public ChangeSetPerformer(ChangeSet changeSet)
```
    Constructs a ChangeSetPerformer with the changes from this ChangeSet
    
    Parameters:
    changeSet - the ChangeSet which operations are used for performing
- Method Detail
  - perform
```
public ChangeSetResults perform(ArchiveInputStream in,
                       ArchiveOutputStream out)
                         throws IOException
```
    Performs all changes collected in this ChangeSet on the input stream and streams the result to the output stream. Perform may be called more than once. This method finishes the stream, no other entries should be added after that.
    
    Parameters:
    in - the InputStream to perform the changes on
    out - the resulting OutputStream with all modifications
    
    Returns:
    the results of this operation
    
    Throws:
    
    IOException - if an read/write error occurs
  - perform
```
public ChangeSetResults perform(ZipFile in,
                       ArchiveOutputStream out)
                         throws IOException
```
    Performs all changes collected in this ChangeSet on the ZipFile and streams the result to the output stream. Perform may be called more than once. This method finishes the stream, no other entries should be added after that.
    
    Parameters:
    in - the ZipFile to perform the changes on
    out - the resulting OutputStream with all modifications
    
    Returns:
    the results of this operation
    
    Throws:
    
    IOException - if an read/write error occurs
    Since:
    
    1.5

Class ChangeSetPerformer

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ChangeSetPerformer

Method Detail

perform

perform