A C D F G H I J M N O P R S T U W Z

A

Adler32 - Class in org.bolet.jgz

This class can be used to compute Adler-32 checksums (specified in RFC 1950 and used in zlib streams).

Adler32() - Constructor for class org.bolet.jgz.Adler32

Create the checksum engine with the standard initial state.

C

close() - Method in class org.bolet.jgz.GZipInputStream

The implementation for this method closes the underlying input stream.

close() - Method in class org.bolet.jgz.GZipOutputStream

Close this stream; the transport stream is also closed.

close() - Method in class org.bolet.jgz.ZlibInputStream

This close() method checks that the logical end-of-stream has been reached; the checksum is verified if this has not already been done.

close() - Method in class org.bolet.jgz.ZlibOutputStream

Close this stream; the transport stream is also closed.

closeMember() - Method in class org.bolet.jgz.GZipDecoder

Decode the member footer.

COMPACT - Static variable in class org.bolet.jgz.Deflater

Compression level 4: try to achieve best compression ratio, possibly at the expense of compression speed.

CRC - Class in org.bolet.jgz

This class contains helper method for computing CRC checksums over some data.

D

deflate(byte[]) - Method in class org.bolet.jgz.DeflaterStateMachine

Get some compressed data bytes.

deflate(byte[], int, int) - Method in class org.bolet.jgz.DeflaterStateMachine

Get some compressed data bytes.

deflate(OutputStream) - Method in class org.bolet.jgz.DeflaterStateMachine

Get some compressed data bytes.

DEFLATE - Static variable in class org.bolet.jgz.GZipDecoder

Compression method: "deflate" algorithm (RFC 1951).

DEFLATE - Static variable in class org.bolet.jgz.ZlibInputStream

Compression method: the "deflate" algorithm (RFC 1951).

Deflater - Class in org.bolet.jgz

This class implements the core DEFLATE process, i.e.

Deflater() - Constructor for class org.bolet.jgz.Deflater

Build a deflater with the default parameters (MEDIUM level, 15-bit window).

Deflater(int) - Constructor for class org.bolet.jgz.Deflater

Build a deflater with the provided compression strategy (either SPEED, MEDIUM or COMPACT).

Deflater(int, int) - Constructor for class org.bolet.jgz.Deflater

Build a deflater with the provided compression strategy (either SPEED, MEDIUM or COMPACT) and the provided window size.

DeflaterStateMachine - Class in org.bolet.jgz

This class implements a DEFLATE engine as a state machine (deflation process).

DeflaterStateMachine(boolean) - Constructor for class org.bolet.jgz.DeflaterStateMachine

Build the state machine instance with default compression parameters.

DeflaterStateMachine(int, int, boolean) - Constructor for class org.bolet.jgz.DeflaterStateMachine

Build the state machine instance with the provided compression parameters.

F

FCOMMENT - Static variable in class org.bolet.jgz.GZipDecoder

Header flag: there is a comment field.

FEXTRA - Static variable in class org.bolet.jgz.GZipDecoder

Header flag: there is some extra data.

FHCRC - Static variable in class org.bolet.jgz.GZipDecoder

Header flag: header has its own CRC checksum.

finish() - Method in class org.bolet.jgz.DeflaterStateMachine

Finish the stream: the output will be marked as closed at the end of the currently provided input.

finished() - Method in class org.bolet.jgz.DeflaterStateMachine

Test whether the compression run is finished.

flush() - Method in class org.bolet.jgz.Deflater

If there is pending buffered data, compress it now, and write the block on the transport stream.

flush() - Method in class org.bolet.jgz.GZipOutputStream

Flush this stream; the transport stream is also flushed.

flush() - Method in class org.bolet.jgz.ZlibOutputStream

Flush this stream; the transport stream is also flushed.

flushFull(boolean) - Method in class org.bolet.jgz.Deflater

Perform a "full flush".

flushFull(boolean) - Method in class org.bolet.jgz.DeflaterStateMachine

Flush the stream: the output will be flushed (full flush) at the end of the currently provided input.

flushFull(boolean) - Method in class org.bolet.jgz.ZlibOutputStream

Flush this stream; the transport stream is also flushed.

flushPartial() - Method in class org.bolet.jgz.Deflater

Perform a "partial flush" in a way similar to what is done by zlib with option Z_PARTIAL_FLUSH.

flushPartial() - Method in class org.bolet.jgz.DeflaterStateMachine

Flush the stream: the output will be flushed (partial flush) at the end of the currently provided input.

flushPartial() - Method in class org.bolet.jgz.ZlibOutputStream

Flush this stream; the transport stream is also flushed.

flushSync(boolean) - Method in class org.bolet.jgz.Deflater

Perform a "sync flush" in a way similar to what is done by zlib with option Z_SYNC_FLUSH.

flushSync(boolean) - Method in class org.bolet.jgz.DeflaterStateMachine

Flush the stream: the output will be flushed (sync flush) at the end of the currently provided input.

flushSync(boolean) - Method in class org.bolet.jgz.ZlibOutputStream

Flush this stream; the transport stream is also flushed.

FNAME - Static variable in class org.bolet.jgz.GZipDecoder

Header flag: there is a source file name.

FTEXT - Static variable in class org.bolet.jgz.GZipDecoder

Header flag: compressed data is probably an ASCII text.

G

getComment() - Method in class org.bolet.jgz.GZipDecoder

Get the member comment (optional).

getCompressionInfo() - Method in class org.bolet.jgz.ZlibInputStream

Get the compression information.

getCompressionLevel() - Method in class org.bolet.jgz.ZlibInputStream

Get the compression level.

getCompressionMethod() - Method in class org.bolet.jgz.GZipDecoder

Get the compression method.

getCompressionMethod() - Method in class org.bolet.jgz.ZlibInputStream

Get the compression method (normally DEFLATE).

getDictionaryId() - Method in class org.bolet.jgz.ZlibInputStream

Get the dictionary identifier; if none was provided, then 0 is returned (but a valid dictionary could also use the identifier value of 0; use hasDictionary() to know if a dictionary ID was supplied in the stream).

getFlags() - Method in class org.bolet.jgz.GZipDecoder

Get the header flags (8-bit value).

getFlagsExtra() - Method in class org.bolet.jgz.GZipDecoder

Get the extra flags (8 bits).

getMTime() - Method in class org.bolet.jgz.GZipDecoder

Get the source file last modification time (32-bit "unix" time, as a number of seconds since the Epoch).

getOriginalFileName() - Method in class org.bolet.jgz.GZipDecoder

Get the data source file name (optional).

getOS() - Method in class org.bolet.jgz.GZipDecoder

Get the stream producer operating system (1-byte identifier).

getOut() - Method in class org.bolet.jgz.Deflater

Get the current output transport stream.

getSubStream() - Method in class org.bolet.jgz.GZipDecoder

Get the underlying stream which this decoder uses.

getSum() - Method in class org.bolet.jgz.Adler32

Get the current checksum value.

getUncompressedCRC() - Method in class org.bolet.jgz.GZipDecoder

Get the CRC over uncompressed data (32-bit value, from the member footer).

getUncompressedSize() - Method in class org.bolet.jgz.GZipDecoder

Get the uncompressed data size for this member (truncated to 32 bits).

GZipDecoder - Class in org.bolet.jgz

This class implements a generic decoder for gzip stream headers.

GZipDecoder(InputStream) - Constructor for class org.bolet.jgz.GZipDecoder

Build the decoder over the provided stream for compressed data.

GZipInputStream - Class in org.bolet.jgz

This class decompresses a data stream compressed in the gzip format, as documented in RFC 1952.

GZipInputStream(InputStream) - Constructor for class org.bolet.jgz.GZipInputStream

Create the stream over the provided underlying stream.

GZipOutputStream - Class in org.bolet.jgz

This class represents a stream which compress data into the gzip format, as specified in RFC 1952.

GZipOutputStream(OutputStream) - Constructor for class org.bolet.jgz.GZipOutputStream

Create the stream with the provided transport stream.

GZipOutputStream(OutputStream, int) - Constructor for class org.bolet.jgz.GZipOutputStream

Create the stream with the provided transport stream.

H

hasDictionary() - Method in class org.bolet.jgz.ZlibInputStream

Tell whether a dictionary was used by the compressor.

HUFF - Static variable in class org.bolet.jgz.Deflater

Compression level 1: do not apply LZ77; only Huffman codes are computed.

I

Inflater - Class in org.bolet.jgz

An Inflater instance handles the transformation of compressed data bytes, read from a user-specified stream, into the corresponding uncompressed data bytes.

Inflater() - Constructor for class org.bolet.jgz.Inflater

Create a new engine.

init() - Method in class org.bolet.jgz.Adler32

Reset the engine to the standard initial state.

init(int) - Method in class org.bolet.jgz.Adler32

Set the current checksum value.

J

JGZException - Exception in org.bolet.jgz

A JGZException is thrown when uncompressing some data bytes which turn out to violate the expected format in any way.

JGZException() - Constructor for exception org.bolet.jgz.JGZException

Build a new exception with no message.

JGZException(String) - Constructor for exception org.bolet.jgz.JGZException

Build a new exception with the provided explanatory message.

M

MEDIUM - Static variable in class org.bolet.jgz.Deflater

Compression level 3: compromise between speed and compression ratio.

N

needsInput() - Method in class org.bolet.jgz.DeflaterStateMachine

Test whether some fresh input data is necessary.

nextBlock() - Method in class org.bolet.jgz.Inflater

Get the next block header.

nextMember() - Method in class org.bolet.jgz.GZipDecoder

Decode the next member header.

O

org.bolet.jgz - package org.bolet.jgz

P

process(byte[], int, int) - Method in class org.bolet.jgz.Deflater

Process some more data.

processDictionary(InputStream) - Method in class org.bolet.jgz.Deflater

Process a dictionary.

processDictionary(byte[]) - Method in class org.bolet.jgz.Deflater

Process a dictionary.

processDictionary(byte[], int, int) - Method in class org.bolet.jgz.Deflater

Process a dictionary.

processDictionary(InputStream) - Method in class org.bolet.jgz.Inflater

Process a dictionary.

processDictionary(byte[]) - Method in class org.bolet.jgz.Inflater

Process a dictionary.

processDictionary(byte[], int, int) - Method in class org.bolet.jgz.Inflater

Process a dictionary.

processDictionary(InputStream) - Method in class org.bolet.jgz.ZlibInputStream

Process a dictionary: the stream contents are used as dictionary.

processDictionary(byte[]) - Method in class org.bolet.jgz.ZlibInputStream

Process a dictionary: the buffer contents are used as dictionary.

processDictionary(byte[], int, int) - Method in class org.bolet.jgz.ZlibInputStream

Process a dictionary: the buffer contents are used as dictionary.

processDictionary(InputStream) - Method in class org.bolet.jgz.ZlibOutputStream

Process a dictionary: the stream contents are used as dictionary.

processDictionary(byte[]) - Method in class org.bolet.jgz.ZlibOutputStream

Process a dictionary: the buffer contents are used as dictionary.

processDictionary(byte[], int, int) - Method in class org.bolet.jgz.ZlibOutputStream

Process a dictionary: the buffer contents are used as dictionary.

R

read() - Method in class org.bolet.jgz.GZipInputStream

read(byte[]) - Method in class org.bolet.jgz.GZipInputStream

read(byte[], int, int) - Method in class org.bolet.jgz.GZipInputStream

read() - Method in class org.bolet.jgz.ZlibInputStream

read(byte[]) - Method in class org.bolet.jgz.ZlibInputStream

read(byte[], int, int) - Method in class org.bolet.jgz.ZlibInputStream

readAll(byte[], int, int) - Method in class org.bolet.jgz.Inflater

Uncompress some data.

readBlock(byte[], int, int) - Method in class org.bolet.jgz.Inflater

Uncompress some data from the current block.

reset() - Method in class org.bolet.jgz.Deflater

Reset the internal tables.

reset() - Method in class org.bolet.jgz.DeflaterStateMachine

Reset the machine to its initial state.

reset(InputStream) - Method in class org.bolet.jgz.Inflater

Reset the engine, to work over the provided stream.

S

setDictionary(byte[]) - Method in class org.bolet.jgz.DeflaterStateMachine

Set the dictionary.

setDictionary(byte[], int, int) - Method in class org.bolet.jgz.DeflaterStateMachine

Set the dictionary.

setInput(byte[]) - Method in class org.bolet.jgz.DeflaterStateMachine

Insert new input data.

setInput(byte[], int, int) - Method in class org.bolet.jgz.DeflaterStateMachine

Insert new input data.

setOut(OutputStream) - Method in class org.bolet.jgz.Deflater

Set the current output transport stream.

setRawStream(InputStream) - Method in class org.bolet.jgz.Inflater

Change the input stream, but keep the running state.

setRawStream(InputStream) - Method in class org.bolet.jgz.ZlibInputStream

Change the raw stream used to get compressed data bytes.

SPEED - Static variable in class org.bolet.jgz.Deflater

Compression level 2: optimize for speed.

START - Static variable in class org.bolet.jgz.CRC

The initial value for a CRC (this is the "all-one" constant).

T

terminate() - Method in class org.bolet.jgz.Deflater

Terminate the current compression run.

terminate() - Method in class org.bolet.jgz.GZipOutputStream

Close the compression stream but do not close the transport stream.

terminate() - Method in class org.bolet.jgz.ZlibOutputStream

Close the compression stream but do not close the transport stream.

U

update(int) - Method in class org.bolet.jgz.Adler32

Update the cheksum with the provided input byte.

update(byte[]) - Method in class org.bolet.jgz.Adler32

Update the cheksum with the provided input bytes.

update(byte[], int, int) - Method in class org.bolet.jgz.Adler32

Update the cheksum with the provided input bytes.

updateCRC(int, int) - Static method in class org.bolet.jgz.CRC

Update a CRC value with a data byte.

updateCRC(int, byte[]) - Static method in class org.bolet.jgz.CRC

Update a CRC value with several data bytes

updateCRC(int, byte[], int, int) - Static method in class org.bolet.jgz.CRC

Update a CRC value with several data bytes

W

write(int) - Method in class org.bolet.jgz.GZipOutputStream

write(byte[]) - Method in class org.bolet.jgz.GZipOutputStream

write(byte[], int, int) - Method in class org.bolet.jgz.GZipOutputStream

write(int) - Method in class org.bolet.jgz.ZlibOutputStream

write(byte[]) - Method in class org.bolet.jgz.ZlibOutputStream

write(byte[], int, int) - Method in class org.bolet.jgz.ZlibOutputStream

Z

ZlibInputStream - Class in org.bolet.jgz

This class implements a decoder stream for a compressed data stream in zlib format (RFC 1950).

ZlibInputStream(InputStream) - Constructor for class org.bolet.jgz.ZlibInputStream

Create the stream.

ZlibInputStream(InputStream, boolean) - Constructor for class org.bolet.jgz.ZlibInputStream

Create the stream.

ZlibOutputStream - Class in org.bolet.jgz

This class implements a stream which compresses data into the zlib format (RFC 1950).

ZlibOutputStream(OutputStream) - Constructor for class org.bolet.jgz.ZlibOutputStream

Create the stream with the provided transport stream.

ZlibOutputStream(OutputStream, int) - Constructor for class org.bolet.jgz.ZlibOutputStream

Create the stream with the provided transport stream.

A C D F G H I J M N O P R S T U W Z