Module kala.compress.compressors.pack200

Package kala.compress.harmony.pack200

Class Archive

java.lang.Object

kala.compress.harmony.pack200.Archive

public class Archive
extends Object

Archive is the main entry point to pack200 and represents a packed archive. An archive is constructed with either a JarInputStream and an output stream or a JarFile as input and an OutputStream. Options can be set, then pack() is called, to pack the Jar file into a pack200 archive.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	Archive.PackingFile
(package private) static class	Archive.SegmentUnit

Field Summary

Fields

Modifier and Type	Field	Description
private long	currentSegmentSize
private static final byte[]	EMPTY_BYTE_ARRAY
private JarFile	jarFile
private final JarInputStream	jarInputStream
private final PackingOptions	options
private final OutputStream	outputStream

Constructor Summary

Constructors

Constructor	Description
Archive(JarFile jarFile, OutputStream outputStream, PackingOptions options)	Creates an Archive with the given input file and a stream for the output
Archive(JarInputStream inputStream, OutputStream outputStream, PackingOptions options)	Creates an Archive with streams for the input and output.

Method Summary

Modifier and Type	Method	Description
private boolean	addJarEntry(Archive.PackingFile packingFile, List<Pack200ClassReader> javaClasses, List<Archive.PackingFile> files)
private void	doNormalPack()
private void	doZeroEffortPack()
private long	estimateSize(Archive.PackingFile packingFile)
void	pack()	Packs the archive.
private List<Archive.SegmentUnit>	splitIntoSegments(List<Archive.PackingFile> packingFileList)

Methods inherited from class java.lang.Object

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

Field Details

EMPTY_BYTE_ARRAY

private static final byte[] EMPTY_BYTE_ARRAY

jarInputStream

private final JarInputStream jarInputStream

outputStream

private final OutputStream outputStream

jarFile

private JarFile jarFile

currentSegmentSize

private long currentSegmentSize

options

private final PackingOptions options

Constructor Details

Archive

public Archive(JarFile jarFile,
 OutputStream outputStream,
 PackingOptions options)
        throws IOException

Creates an Archive with the given input file and a stream for the output

Parameters:

jarFile - the input file

outputStream - TODO

options - packing options (if null then defaults are used)

Throws:

IOException - If an I/O error occurs.

Archive

public Archive(JarInputStream inputStream,
 OutputStream outputStream,
 PackingOptions options)
        throws IOException

Creates an Archive with streams for the input and output.

Parameters:

inputStream - TODO

outputStream - TODO

options - packing options (if null then defaults are used)

Throws:

IOException - If an I/O error occurs.

Method Details

addJarEntry

private boolean addJarEntry(Archive.PackingFile packingFile,
 List<Pack200ClassReader> javaClasses,
 List<Archive.PackingFile> files)

doNormalPack

private void doNormalPack()
                   throws IOException,
Pack200Exception

Throws:

IOException

Pack200Exception

doZeroEffortPack

private void doZeroEffortPack()
                       throws IOException

Throws:

IOException

estimateSize

private long estimateSize(Archive.PackingFile packingFile)

pack

public void pack()
          throws Pack200Exception,
IOException

Packs the archive.

Throws:

Pack200Exception - TODO

IOException - If an I/O error occurs.

splitIntoSegments

private List<Archive.SegmentUnit> splitIntoSegments(List<Archive.PackingFile> packingFileList)