org.codehaus.plexus.archiver.bzip2
Class CBZip2OutputStream
java.lang.Object
java.io.OutputStream
org.codehaus.plexus.archiver.bzip2.CBZip2OutputStream
- All Implemented Interfaces:
- java.io.Closeable, java.io.Flushable, BZip2Constants
public class CBZip2OutputStream
- extends java.io.OutputStream
- implements BZip2Constants
An output stream that compresses into the BZip2 format (without the file
header chars) into another stream.
TODO: Update to BZip2 1.0.1
- Version:
- $Revision: 2436 $ $Date: 2005-09-01 13:20:41 -0400 (Thu, 01 Sep 2005) $
from org.apache.ant.tools.bzip2.CBZip2OutputStream v1.22
Fields inherited from interface org.codehaus.plexus.archiver.bzip2.BZip2Constants |
baseBlockSize, G_SIZE, MAX_ALPHA_SIZE, MAX_CODE_LEN, MAX_SELECTORS, N_GROUPS, N_ITERS, NUM_OVERSHOOT_BYTES, rNums, RUNA, RUNB |
Method Summary |
private void |
allocateCompressStructures()
|
private void |
bsFinishedWithStream()
|
private void |
bsPutint(int u)
|
private void |
bsPutIntVS(int numBits,
int c)
|
private void |
bsPutUChar(int c)
|
private void |
bsSetStream(java.io.OutputStream f)
|
private void |
bsW(int n,
int v)
|
void |
close()
|
private void |
doReversibleTransformation()
|
private void |
endBlock()
|
private void |
endCompression()
|
protected void |
finalize()
|
void |
flush()
|
private boolean |
fullGtU(int i1,
int i2)
|
private void |
generateMTFValues()
|
private void |
hbAssignCodes(int[] code,
char[] length,
int minLen,
int maxLen,
int alphaSize)
|
protected static void |
hbMakeCodeLengths(char[] len,
int[] freq,
int alphaSize,
int maxLen)
|
private void |
initBlock()
|
private void |
initialize()
|
private void |
mainSort()
|
private void |
makeMaps()
|
private char |
med3(char a,
char b,
char c)
|
private void |
moveToFrontCodeAndSend()
|
private static void |
panic()
|
private void |
qSort3(int loSt,
int hiSt,
int dSt)
|
private void |
randomiseBlock()
|
private void |
sendMTFValues()
|
private void |
simpleSort(int lo,
int hi,
int d)
|
private void |
vswap(int p1,
int p2,
int n)
|
void |
write(int bv)
modified by Oliver Merkel, 010128 |
private void |
writeRun()
|
Methods inherited from class java.io.OutputStream |
write, write |
Methods inherited from class java.lang.Object |
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
SETMASK
protected static final int SETMASK
- See Also:
- Constant Field Values
CLEARMASK
protected static final int CLEARMASK
- See Also:
- Constant Field Values
GREATER_ICOST
protected static final int GREATER_ICOST
- See Also:
- Constant Field Values
LESSER_ICOST
protected static final int LESSER_ICOST
- See Also:
- Constant Field Values
SMALL_THRESH
protected static final int SMALL_THRESH
- See Also:
- Constant Field Values
DEPTH_THRESH
protected static final int DEPTH_THRESH
- See Also:
- Constant Field Values
QSORT_STACK_SIZE
protected static final int QSORT_STACK_SIZE
- See Also:
- Constant Field Values
last
int last
origPtr
int origPtr
blockSize100k
int blockSize100k
blockRandomised
boolean blockRandomised
bytesOut
int bytesOut
bsBuff
int bsBuff
bsLive
int bsLive
mCrc
CRC mCrc
inUse
private boolean[] inUse
nInUse
private int nInUse
seqToUnseq
private char[] seqToUnseq
unseqToSeq
private char[] unseqToSeq
selector
private char[] selector
selectorMtf
private char[] selectorMtf
block
private char[] block
quadrant
private int[] quadrant
zptr
private int[] zptr
szptr
private short[] szptr
ftab
private int[] ftab
nMTF
private int nMTF
mtfFreq
private int[] mtfFreq
workFactor
private int workFactor
workDone
private int workDone
workLimit
private int workLimit
firstAttempt
private boolean firstAttempt
nBlocksRandomised
private int nBlocksRandomised
currentChar
private int currentChar
runLength
private int runLength
closed
boolean closed
blockCRC
private int blockCRC
combinedCRC
private int combinedCRC
allowableBlockSize
private int allowableBlockSize
bsStream
private java.io.OutputStream bsStream
incs
private int[] incs
CBZip2OutputStream
public CBZip2OutputStream(java.io.OutputStream inStream)
throws java.io.IOException
- Throws:
java.io.IOException
CBZip2OutputStream
public CBZip2OutputStream(java.io.OutputStream inStream,
int inBlockSize)
throws java.io.IOException
- Throws:
java.io.IOException
panic
private static void panic()
makeMaps
private void makeMaps()
hbMakeCodeLengths
protected static void hbMakeCodeLengths(char[] len,
int[] freq,
int alphaSize,
int maxLen)
write
public void write(int bv)
throws java.io.IOException
- modified by Oliver Merkel, 010128
- Specified by:
write
in class java.io.OutputStream
- Throws:
java.io.IOException
writeRun
private void writeRun()
throws java.io.IOException
- Throws:
java.io.IOException
finalize
protected void finalize()
throws java.lang.Throwable
- Overrides:
finalize
in class java.lang.Object
- Throws:
java.lang.Throwable
close
public void close()
throws java.io.IOException
- Specified by:
close
in interface java.io.Closeable
- Overrides:
close
in class java.io.OutputStream
- Throws:
java.io.IOException
flush
public void flush()
throws java.io.IOException
- Specified by:
flush
in interface java.io.Flushable
- Overrides:
flush
in class java.io.OutputStream
- Throws:
java.io.IOException
initialize
private void initialize()
throws java.io.IOException
- Throws:
java.io.IOException
initBlock
private void initBlock()
endBlock
private void endBlock()
throws java.io.IOException
- Throws:
java.io.IOException
endCompression
private void endCompression()
throws java.io.IOException
- Throws:
java.io.IOException
hbAssignCodes
private void hbAssignCodes(int[] code,
char[] length,
int minLen,
int maxLen,
int alphaSize)
bsSetStream
private void bsSetStream(java.io.OutputStream f)
bsFinishedWithStream
private void bsFinishedWithStream()
throws java.io.IOException
- Throws:
java.io.IOException
bsW
private void bsW(int n,
int v)
throws java.io.IOException
- Throws:
java.io.IOException
bsPutUChar
private void bsPutUChar(int c)
throws java.io.IOException
- Throws:
java.io.IOException
bsPutint
private void bsPutint(int u)
throws java.io.IOException
- Throws:
java.io.IOException
bsPutIntVS
private void bsPutIntVS(int numBits,
int c)
throws java.io.IOException
- Throws:
java.io.IOException
sendMTFValues
private void sendMTFValues()
throws java.io.IOException
- Throws:
java.io.IOException
moveToFrontCodeAndSend
private void moveToFrontCodeAndSend()
throws java.io.IOException
- Throws:
java.io.IOException
simpleSort
private void simpleSort(int lo,
int hi,
int d)
vswap
private void vswap(int p1,
int p2,
int n)
med3
private char med3(char a,
char b,
char c)
qSort3
private void qSort3(int loSt,
int hiSt,
int dSt)
mainSort
private void mainSort()
randomiseBlock
private void randomiseBlock()
doReversibleTransformation
private void doReversibleTransformation()
fullGtU
private boolean fullGtU(int i1,
int i2)
allocateCompressStructures
private void allocateCompressStructures()
generateMTFValues
private void generateMTFValues()