Package aQute.lib.putjar

Class DirectoryInputStream

java.lang.Object

java.io.InputStream

aQute.lib.putjar.DirectoryInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class DirectoryInputStream
extends java.io.InputStream

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static int	BUFFER_SIZE
(package private) java.io.InputStream	current
(package private) static int	DATA
(package private) java.io.ByteArrayOutputStream	directory
(package private) static int	DIRECTORY
(package private) java.io.File	element
(package private) int	entries
(package private) static java.io.InputStream	eof
(package private) static int	EOF
(package private) FileIterator	fi
(package private) static int	HEADER
(package private) java.io.File	root
(package private) static int	START
(package private) int	state
(package private) long	where

Constructor Summary

Constructors

Constructor	Description
DirectoryInputStream(java.io.File dir)

Method Summary

Modifier and Type	Method	Description
private java.util.zip.CRC32	getCRC(java.io.File file)
(package private) java.io.InputStream	getDirectory()	end of central dir signature 4 bytes (0x06054b50) number of this disk 2 bytes number of the disk with the start of the central directory 2 bytes total number of entries in the central directory on this disk 2 bytes total number of entries in the central directory 2 bytes size of the central directory 4 bytes offset of start of central directory with respect to the starting disk number 4 bytes .ZIP file comment length 2 bytes .ZIP file comment (variable size)
private java.io.InputStream	getHeader(java.io.File root, java.io.File file)	Local file header:
private java.lang.String	getPath(java.io.File root, java.io.File file)
(package private) void	next()
private void	nextHeader()
int	read()
private void	writeInt(java.io.OutputStream out, int v)
private void	writeShort(java.io.OutputStream out, int v)

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, nullInputStream, read, read, readAllBytes, readNBytes, readNBytes, reset, skip, transferTo

Methods inherited from class java.lang.Object

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

Field Detail

BUFFER_SIZE

static final int BUFFER_SIZE

See Also:

Constant Field Values

root

final java.io.File root

fi

final FileIterator fi

element

java.io.File element

entries

int entries

state

int state

where

long where

START

static final int START

See Also:

Constant Field Values

HEADER

static final int HEADER

See Also:

Constant Field Values

DATA

static final int DATA

See Also:

Constant Field Values

DIRECTORY

static final int DIRECTORY

See Also:

Constant Field Values

EOF

static final int EOF

See Also:

Constant Field Values

eof

static final java.io.InputStream eof

directory

java.io.ByteArrayOutputStream directory

current

java.io.InputStream current

Constructor Detail

DirectoryInputStream

public DirectoryInputStream(java.io.File dir)

Method Detail

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

next

void next()
   throws java.io.IOException

Throws:

java.io.IOException

nextHeader

private void nextHeader()
                 throws java.io.IOException

Throws:

java.io.IOException

getDirectory

java.io.InputStream getDirectory()
                          throws java.io.IOException

  end of central dir signature 4 bytes (0x06054b50) number of this
 disk 2 bytes number of the disk with the start of the central directory 2
 bytes total number of entries in the central directory on this disk 2
 bytes total number of entries in the central directory 2 bytes size of
 the central directory 4 bytes offset of start of central directory with
 respect to the starting disk number 4 bytes .ZIP file comment length 2
 bytes .ZIP file comment (variable size)
 

Throws:

java.io.IOException

writeShort

private void writeShort(java.io.OutputStream out,
                        int v)
                 throws java.io.IOException

Throws:

java.io.IOException

writeInt

private void writeInt(java.io.OutputStream out,
                      int v)
               throws java.io.IOException

Throws:

java.io.IOException

getHeader

private java.io.InputStream getHeader(java.io.File root,
                                      java.io.File file)
                               throws java.io.IOException

Local file header:

  local file header signature 4 bytes (0x04034b50)
 version needed to extract 2 bytes general purpose bit flag 2 bytes
 compression method 2 bytes last mod file time 2 bytes last mod file date
 2 bytes crc-32 4 bytes compressed size 4 bytes uncompressed size 4 bytes
 file name length 2 bytes extra field length 2 bytes file name (variable
 size) extra field (variable size) central file header signature 4 bytes
 (0x02014b50) version made by 2 bytes version needed to extract 2 bytes
 general purpose bit flag 2 bytes compression method 2 bytes last mod file
 time 2 bytes last mod file date 2 bytes crc-32 4 bytes compressed size 4
 bytes uncompressed size 4 bytes file name length 2 bytes extra field
 length 2 bytes file comment length 2 bytes disk number start 2 bytes
 internal file attributes 2 bytes external file attributes 4 bytes
 relative offset of local header 4 bytes file name (variable size) extra
 field (variable size) file comment (variable size)
 

Throws:

java.io.IOException

getPath

private java.lang.String getPath(java.io.File root,
                                 java.io.File file)

getCRC

private java.util.zip.CRC32 getCRC(java.io.File file)
                            throws java.io.IOException

Throws:

java.io.IOException