org.jboss.vfs
Class VirtualJarInputStream

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          java.util.zip.InflaterInputStream
              java.util.zip.ZipInputStream
                  java.util.jar.JarInputStream
                      org.jboss.vfs.VirtualJarInputStream

All Implemented Interfaces:

Closeable

public class VirtualJarInputStream
extends JarInputStream

Virtual JarInputStream used for representing any VFS directory as a JarInputStream.

Author:

John Bailey

Nested Class Summary

static class

VirtualJarInputStream.VirtualJarEntry Virtual JarEntry used for representing a child VirtualFile as a JarEntry.

Field Summary

static int	CENATT
static int	CENATX
static int	CENCOM
static int	CENCRC
static int	CENDSK
static int	CENEXT
static int	CENFLG
static int	CENHDR
static int	CENHOW
static int	CENLEN
static int	CENNAM
static int	CENOFF
static long	CENSIG
static int	CENSIZ
static int	CENTIM
static int	CENVEM
static int	CENVER
static int	ENDCOM
static int	ENDHDR
static int	ENDOFF
static long	ENDSIG
static int	ENDSIZ
static int	ENDSUB
static int	ENDTOT
static int	EXTCRC
static int	EXTHDR
static int	EXTLEN
static long	EXTSIG
static int	EXTSIZ
static int	LOCCRC
static int	LOCEXT
static int	LOCFLG
static int	LOCHDR
static int	LOCHOW
static int	LOCLEN
static int	LOCNAM
static long	LOCSIG
static int	LOCSIZ
static int	LOCTIM
static int	LOCVER

Fields inherited from class java.util.zip.InflaterInputStream

buf, inf, len

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

VirtualJarInputStream(VirtualFile root)
Construct a VirtualJarInputStream from a VirtualFile root

Method Summary

int	available()
void	close()
void	closeEntry()
Manifest	getManifest()
ZipEntry	getNextEntry()
JarEntry	getNextJarEntry()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
long	skip(long n)

Methods inherited from class java.util.jar.JarInputStream

createZipEntry

Methods inherited from class java.util.zip.InflaterInputStream

fill, mark, markSupported, reset

Methods inherited from class java.lang.Object

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

Field Detail

LOCSIG

public static final long LOCSIG

See Also:

Constant Field Values

EXTSIG

public static final long EXTSIG

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Constant Field Values

CENSIG

public static final long CENSIG

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Constant Field Values

ENDSIG

public static final long ENDSIG

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Constant Field Values

LOCHDR

public static final int LOCHDR

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Constant Field Values

EXTHDR

public static final int EXTHDR

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Constant Field Values

CENHDR

public static final int CENHDR

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Constant Field Values

ENDHDR

public static final int ENDHDR

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Constant Field Values

LOCVER

public static final int LOCVER

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Constant Field Values

LOCFLG

public static final int LOCFLG

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Constant Field Values

LOCHOW

public static final int LOCHOW

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Constant Field Values

LOCTIM

public static final int LOCTIM

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Constant Field Values

LOCCRC

public static final int LOCCRC

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Constant Field Values

LOCSIZ

public static final int LOCSIZ

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Constant Field Values

LOCLEN

public static final int LOCLEN

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Constant Field Values

LOCNAM

public static final int LOCNAM

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Constant Field Values

LOCEXT

public static final int LOCEXT

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Constant Field Values

EXTCRC

public static final int EXTCRC

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Constant Field Values

EXTSIZ

public static final int EXTSIZ

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Constant Field Values

EXTLEN

public static final int EXTLEN

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Constant Field Values

CENVEM

public static final int CENVEM

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Constant Field Values

CENVER

public static final int CENVER

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Constant Field Values

CENFLG

public static final int CENFLG

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Constant Field Values

CENHOW

public static final int CENHOW

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Constant Field Values

CENTIM

public static final int CENTIM

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Constant Field Values

CENCRC

public static final int CENCRC

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Constant Field Values

CENSIZ

public static final int CENSIZ

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Constant Field Values

CENLEN

public static final int CENLEN

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Constant Field Values

CENNAM

public static final int CENNAM

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Constant Field Values

CENEXT

public static final int CENEXT

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Constant Field Values

CENCOM

public static final int CENCOM

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Constant Field Values

CENDSK

public static final int CENDSK

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Constant Field Values

CENATT

public static final int CENATT

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Constant Field Values

CENATX

public static final int CENATX

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Constant Field Values

CENOFF

public static final int CENOFF

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Constant Field Values

ENDSUB

public static final int ENDSUB

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Constant Field Values

ENDTOT

public static final int ENDTOT

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Constant Field Values

ENDSIZ

public static final int ENDSIZ

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Constant Field Values

ENDOFF

public static final int ENDOFF

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Constant Field Values

ENDCOM

public static final int ENDCOM

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Constant Field Values

Constructor Detail

VirtualJarInputStream

public VirtualJarInputStream(VirtualFile root)
                      throws IOException

Construct a VirtualJarInputStream from a VirtualFile root

Parameters:

root - VirtualFile directory to use as the base of the virtual Jar.

Throws:

IOException

Method Detail

getNextEntry

public ZipEntry getNextEntry()
                      throws IOException

Overrides:

getNextEntry in class JarInputStream

Throws:

IOException

getNextJarEntry

public JarEntry getNextJarEntry()
                         throws IOException

Overrides:

getNextJarEntry in class JarInputStream

Throws:

IOException

getManifest

public Manifest getManifest()

Overrides:

getManifest in class JarInputStream

read

public int read()
         throws IOException

Overrides:

read in class InflaterInputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

public int read(byte[] b,
                int off,
                int len)
         throws IOException

Overrides:

read in class JarInputStream

Throws:

IOException

available

public int available()
              throws IOException

Overrides:

available in class ZipInputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Overrides:

close in class ZipInputStream

Throws:

IOException

closeEntry

public void closeEntry()
                throws IOException

Overrides:

closeEntry in class ZipInputStream

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class ZipInputStream

Throws:

IOException