Package it.unimi.di.law.warc.io.gzarc

Class GZIPArchive

java.lang.Object

it.unimi.di.law.warc.io.gzarc.GZIPArchive

public class GZIPArchive
extends java.lang.Object

A GZIP archive is an archive made of (concatenated) GZIP entries that are usual GZIP files, except for the presence of two extra fields (in the GZIP header) containing the compressed and uncompressed length of the entry itself. This class contains the definition of GZIPArchive.ReadEntry and GZIPArchive.WriteEntry that are used by GZIPArchiveReader to read, or respectively by GZIPArchiveWriter to write, entries of a GZIP archive.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	GZIPArchive.Entry	A generic GZIP archive entry; it can be instantiated only as a GZIPArchive.ReadEntry or GZIPArchive.WriteEntry.
static class	GZIPArchive.FormatException
static class	GZIPArchive.ReadEntry	An entry used to read a GZIP archive entry.
static class	GZIPArchive.WriteEntry	An entry used to write a GZIP archive entry.

Field Summary

Fields

Modifier and Type	Field	Description
static int	CHECKSUM_THRESHOLD
static byte	FCOMMENT
static byte	FEXTRA
static byte	FHCRC
static int	FIX_LEN
static byte	FNAME
static byte	FTEXT
static byte[]	GZIP_START
static short	INT_LEN
static short	SHORT_LEN
static byte[]	SKIP_LEN
static short	SUB_LEN
static short	TRAILER_LEN
static byte	XFL
static byte[]	XFL_OS
static short	XLEN

Constructor Summary

Constructors

Constructor	Description
GZIPArchive()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

CHECKSUM_THRESHOLD

public static final int CHECKSUM_THRESHOLD

See Also:

Constant Field Values

XFL

public static final byte XFL

See Also:

Constant Field Values

FTEXT

public static final byte FTEXT

See Also:

Constant Field Values

FHCRC

public static final byte FHCRC

See Also:

Constant Field Values

FEXTRA

public static final byte FEXTRA

See Also:

Constant Field Values

FNAME

public static final byte FNAME

See Also:

Constant Field Values

FCOMMENT

public static final byte FCOMMENT

See Also:

Constant Field Values

GZIP_START

public static final byte[] GZIP_START

XFL_OS

public static final byte[] XFL_OS

SHORT_LEN

public static final short SHORT_LEN

See Also:

Constant Field Values

INT_LEN

public static final short INT_LEN

See Also:

Constant Field Values

SKIP_LEN

public static final byte[] SKIP_LEN

SUB_LEN

public static final short SUB_LEN

See Also:

Constant Field Values

XLEN

public static final short XLEN

TRAILER_LEN

public static final short TRAILER_LEN

See Also:

Constant Field Values

FIX_LEN

public static final int FIX_LEN

Constructor Detail

GZIPArchive

public GZIPArchive()