org.archive.format.gzip

Class GZIPHeader

java.lang.Object

org.archive.format.gzip.GZIPHeader

All Implemented Interfaces:

GZIPConstants

public class GZIPHeader
extends Object
implements GZIPConstants

Field Summary

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 and Description
GZIPHeader()
GZIPHeader(GZIPStaticHeader staticHeader)

Method Summary

Methods

Modifier and Type	Method and Description
void	addRecord(byte[] name, byte[] value)
void	addRecord(byte[] name, long intVal)
byte[]	getComment()
long	getCommentLength()
byte[]	getFileName()
long	getFNameLength()
int	getHeaderCRC()
long	getIntRecord(byte[] name)
int	getLength()
GZIPFExtraRecord	getRecord(byte[] name)
GZIPFExtraRecord	getRecord(int i)
int	getRecordCount()
GZIPStaticHeader	getStaticHeader()
static boolean	isValidCompressionMethod(int cm)
void	removeAllRecords(byte[] name)
void	replaceRecord(byte[] name, byte[] value)
void	setFComment(byte[] comment)
void	setFName(byte[] fileName)
void	writeBytes(OutputStream os)

Methods inherited from class java.lang.Object

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

Constructor Detail

GZIPHeader

public GZIPHeader()

GZIPHeader

public GZIPHeader(GZIPStaticHeader staticHeader)

Method Detail

getStaticHeader

public GZIPStaticHeader getStaticHeader()

getFileName

public byte[] getFileName()

getComment

public byte[] getComment()

getFNameLength

public long getFNameLength()

getHeaderCRC

public int getHeaderCRC()

setFName

public void setFName(byte[] fileName)

getCommentLength

public long getCommentLength()

setFComment

public void setFComment(byte[] comment)

replaceRecord

public void replaceRecord(byte[] name,
                 byte[] value)
                   throws GZIPFormatException

Throws:

GZIPFormatException

removeAllRecords

public void removeAllRecords(byte[] name)

addRecord

public void addRecord(byte[] name,
             long intVal)
               throws GZIPFormatException

Throws:

GZIPFormatException

addRecord

public void addRecord(byte[] name,
             byte[] value)
               throws GZIPFormatException

Throws:

GZIPFormatException

getRecord

public GZIPFExtraRecord getRecord(int i)

getRecordCount

public int getRecordCount()

getRecord

public GZIPFExtraRecord getRecord(byte[] name)

getIntRecord

public long getIntRecord(byte[] name)

getLength

public int getLength()

writeBytes

public void writeBytes(OutputStream os)
                throws IOException

Throws:

IOException

isValidCompressionMethod

public static boolean isValidCompressionMethod(int cm)