Package pl.wrzasq.lambda.edgedeploy.zip

Class ZipBuilder

java.lang.Object

pl.wrzasq.lambda.edgedeploy.zip.ZipBuilder

public class ZipBuilder
extends Object

Utility class for building ZIP archive stream.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static interface	ZipBuilder.ContentWriter	Internal interface for writing operations.

Field Summary

Fields

Modifier and Type	Field	Description
private static int	BUFFER_SIZE	Size of bytes buffer for resource processing.
private ByteArrayOutputStream	output	Output stream.
private ZipOutputStream	zip	ZIP compression stream.

Constructor Summary

Constructors

Constructor	Description
ZipBuilder()

Method Summary

Modifier and Type	Method	Description
void	copyFrom(ZipInputStream archive)	Copies another archive into current one.
ByteBuffer	dump()	Closes active stream.
void	writeEntry(String name, byte[] content)	Creates new ZIP archive entry.
void	writeEntry(String name, InputStream stream)	Creates new ZIP archive entry.
private void	writeEntry(String name, ZipBuilder.ContentWriter handler)	Creates ZIP entry.

Methods inherited from class java.lang.Object

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

Field Detail

BUFFER_SIZE

private static final int BUFFER_SIZE

Size of bytes buffer for resource processing.

See Also:

Constant Field Values

output

private ByteArrayOutputStream output

Output stream.

zip

private ZipOutputStream zip

ZIP compression stream.

Constructor Detail

ZipBuilder

public ZipBuilder()

Method Detail

writeEntry

public void writeEntry(String name,
                       byte[] content)
                throws IOException

Creates new ZIP archive entry.

Parameters:

name - Entry stackSetName.

content - Binary content of the file.

Throws:

IOException - When writing content to archive fails.

writeEntry

public void writeEntry(String name,
                       InputStream stream)
                throws IOException

Creates new ZIP archive entry.

Parameters:

name - Entry stackSetName.

stream - Content source.

Throws:

IOException - When writing content to archive fails.

writeEntry

private void writeEntry(String name,
                        ZipBuilder.ContentWriter handler)
                 throws IOException

Creates ZIP entry.

Parameters:

name - Entry stackSetName.

handler - Custom writing logic.

Throws:

IOException - When writing to stream fails.

copyFrom

public void copyFrom(ZipInputStream archive)
              throws IOException

Copies another archive into current one.

Parameters:

archive - Source.

Throws:

IOException - When reading source archive fails.

dump

public ByteBuffer dump()
                throws IOException

Closes active stream.

Returns:

Archive binary content.

Throws:

IOException - When dumping ZIP stream fails.