Class GZIPStaticHeader

java.lang.Object

org.archive.format.gzip.GZIPStaticHeader

All Implemented Interfaces:

GZIPConstants

public class GZIPStaticHeader
extends Object
implements GZIPConstants

The first 10-bytes of a GZip Member record. Exactly 10 bytes.

Author:

Brad +---+---+---+---+---+---+---+---+---+---+ |ID1|ID2|CM |FLG| MTIME |XFL|OS | (more-->) +---+---+---+---+---+---+---+---+---+---+

Field Summary

Fields

Modifier and Type	Field	Description
static final byte[]	DEFAULT_HEADER_DATA

Fields inherited from interface org.archive.format.gzip.GZIPConstants

BYTES_IN_INT, BYTES_IN_SHORT, GZIP_COMPRESSION_METHOD_DEFLATE, GZIP_COMPRESSION_METHOD_IDX, GZIP_FEXTRA_LENGTH_BYTES, GZIP_FEXTRA_LENGTH_IDX, GZIP_FEXTRA_NAME_BYTES, GZIP_FEXTRA_NAME_IDX, GZIP_FEXTRA_VALUE_IDX, GZIP_FEXTRA_VALUE_MAX_LENGTH, GZIP_FLAG_FCOMMENT, GZIP_FLAG_FEXTRA, GZIP_FLAG_FHCRC, GZIP_FLAG_FNAME, GZIP_FLAG_FTEXT, GZIP_FLAG_IDX, GZIP_FLAG_VALID_BITS, GZIP_FOOTER_BYTES, GZIP_MAGIC_ONE, GZIP_MAGIC_ONE_IDX, GZIP_MAGIC_TWO, GZIP_MAGIC_TWO_IDX, GZIP_MTIME_IDX, GZIP_MTIME_LENGTH, GZIP_OS_IDX, GZIP_OS_UNIX, GZIP_STATIC_FOOTER_SIZE, GZIP_STATIC_HEADER_SIZE, GZIP_XFL_IDX, LX_RECORD, LX_RECORD_VALUE, NO_BYTES_IN_STREAM, SL_RECORD

Constructor Summary

Constructors

Constructor	Description
GZIPStaticHeader()
GZIPStaticHeader(byte[] data)
GZIPStaticHeader(InputStream is)
GZIPStaticHeader(InputStream is, boolean assume1st3)

Method Summary

Modifier and Type	Method	Description
int	getIntVal(int offset)
int	getLength()
long	getMTime()
int	getOS()
boolean	isFCommentSet()
boolean	isFExtraSet()
boolean	isFHCRCSet()
boolean	isFNameSet()
boolean	isFTextSet()
void	setFCommentFlag(boolean val)
void	setFExtraFlag(boolean val)
void	setFHCRCFlag(boolean val)
void	setFNameFlag(boolean val)
void	setFTextFlag(boolean val)
void	writeTo(byte[] buf, int offset)
void	writeTo(OutputStream os)

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_HEADER_DATA

public static final byte[] DEFAULT_HEADER_DATA

Constructor Details

GZIPStaticHeader

public GZIPStaticHeader()

GZIPStaticHeader

public GZIPStaticHeader(InputStream is,
 boolean assume1st3)
                 throws GZIPFormatException,
IOException

Throws:

GZIPFormatException

IOException

GZIPStaticHeader

public GZIPStaticHeader(InputStream is)
                 throws GZIPFormatException,
IOException

Throws:

GZIPFormatException

IOException

GZIPStaticHeader

public GZIPStaticHeader(byte[] data)
                 throws GZIPFormatException

Throws:

GZIPFormatException

Method Details

getLength

public int getLength()

writeTo

public void writeTo(byte[] buf,
 int offset)

writeTo

public void writeTo(OutputStream os)
             throws IOException

Throws:

IOException

getIntVal

public int getIntVal(int offset)

getOS

public int getOS()

getMTime

public long getMTime()

isFTextSet

public boolean isFTextSet()

setFTextFlag

public void setFTextFlag(boolean val)

isFHCRCSet

public boolean isFHCRCSet()

setFHCRCFlag

public void setFHCRCFlag(boolean val)

isFExtraSet

public boolean isFExtraSet()

setFExtraFlag

public void setFExtraFlag(boolean val)

isFNameSet

public boolean isFNameSet()

setFNameFlag

public void setFNameFlag(boolean val)

isFCommentSet

public boolean isFCommentSet()

setFCommentFlag

public void setFCommentFlag(boolean val)