org.ejtools.archive.io
Class StreamWriter

java.lang.Object
  |
  +--org.ejtools.archive.io.StreamWriter

All Implemented Interfaces:

Writer

Direct Known Subclasses:

FileWriter

public abstract class StreamWriter

extends java.lang.Object

implements Writer

Writer implementation based on stream. Each Archive and each Entry will be output through a ZipOutputStream. This classe serves as parent for derived ones.

Version:

$Revision: 1.2 $

Author:

Laurent Etiemble

Constructor Summary

StreamWriter()

Method Summary

protected java.util.zip.ZipOutputStream	getZipOutputStream() Returns the current stream
protected java.util.zip.ZipOutputStream	popZipOutputStream() Pops the last entered stream
protected void	pushZipOutputStream(java.util.zip.ZipOutputStream stream) Pushes a stream onto the stack
void	visit(Archive archive) Visit an archive.
void	visit(Entry entry) Visit an entry.

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamWriter

public StreamWriter()

Method Detail

visit

public void visit(Archive archive)

Visit an archive. A new ZipOutputStream is created for each Archive.

Specified by:

visit in interface Writer

Parameters:

archive - The archive to visit

visit

public void visit(Entry entry)

Visit an entry.

Specified by:

visit in interface Writer

Parameters:

entry - The entry to visit

getZipOutputStream

protected java.util.zip.ZipOutputStream getZipOutputStream()

Returns the current stream

Returns:

The current stream

popZipOutputStream

protected java.util.zip.ZipOutputStream popZipOutputStream()
                                                    throws java.io.IOException

Pops the last entered stream

Returns:

The stream

Throws:

java.io.IOException - If no stream is available

pushZipOutputStream

protected void pushZipOutputStream(java.util.zip.ZipOutputStream stream)
                            throws java.io.IOException

Pushes a stream onto the stack

Parameters:

stream - The stream

Throws:

java.io.IOException - Shoud never occured