org.apache.commons.compress.changes
Class ChangeSetPerformer

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

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

Method Summary

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.

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