Package 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:

java.io.Closeable, java.lang.AutoCloseable

public class VirtualJarInputStream
extends java.util.jar.JarInputStream

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

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	VirtualJarInputStream.VirtualJarEntry	Virtual JarEntry used for representing a child VirtualFile as a JarEntry.

Field Summary

Fields

Modifier and Type	Field	Description
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
private boolean	closed
private java.io.InputStream	currentEntryStream
private VirtualFile	currentVirtualFile
static int	ENDCOM
static int	ENDHDR
static int	ENDOFF
static long	ENDSIG
static int	ENDSIZ
static int	ENDSUB
static int	ENDTOT
private java.util.Deque<java.util.Iterator<VirtualFile>>	entryItr
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
private java.util.jar.Manifest	manifest
private static VirtualFileFilter	MANIFEST_FILTER
private static java.lang.String	MANIFEST_NAME
private static java.lang.String	META_INF_DIR
private VirtualFile	root

Fields inherited from class java.util.zip.InflaterInputStream

buf, inf, len

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
int	available()	*
private int	checkForEoSAndReturn(int result)	Check to see if the result is the EOF and if so exchange the current entry stream with the empty stream.
void	close()	*
void	closeEntry()	*
private void	ensureOpen()	*
private java.lang.String	fixDirectoryName(java.lang.String name)	Make sure directory names end with a trailing slash
private java.lang.String	getEntryName(VirtualFile entry)	Get the entry name from a VirtualFile.
java.util.jar.Manifest	getManifest()	*
java.util.zip.ZipEntry	getNextEntry()	*
java.util.jar.JarEntry	getNextJarEntry()	*
private void	openCurrent(VirtualFile current)	Open the current virtual file as the current JarEntry stream.
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.io.InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, transferTo

Methods inherited from class java.lang.Object

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

Field Detail

MANIFEST_NAME

private static final java.lang.String MANIFEST_NAME

See Also:

Constant Field Values

META_INF_DIR

private static final java.lang.String META_INF_DIR

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Constant Field Values

MANIFEST_FILTER

private static final VirtualFileFilter MANIFEST_FILTER

entryItr

private final java.util.Deque<java.util.Iterator<VirtualFile>> entryItr

root

private final VirtualFile root

manifest

private final java.util.jar.Manifest manifest

currentVirtualFile

private VirtualFile currentVirtualFile

currentEntryStream

private java.io.InputStream currentEntryStream

closed

private boolean closed

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

See Also:

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

See Also:

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

See Also:

Constant Field Values

CENNAM

public static final int CENNAM

See Also:

Constant Field Values

CENEXT

public static final int CENEXT

See Also:

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 java.io.IOException

Construct a VirtualJarInputStream from a VirtualFile root

Parameters:

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

Throws:

java.io.IOException

Method Detail

getNextEntry

public java.util.zip.ZipEntry getNextEntry()
                                    throws java.io.IOException

*

Overrides:

getNextEntry in class java.util.jar.JarInputStream

Throws:

java.io.IOException

getNextJarEntry

public java.util.jar.JarEntry getNextJarEntry()
                                       throws java.io.IOException

*

Overrides:

getNextJarEntry in class java.util.jar.JarInputStream

Throws:

java.io.IOException

getManifest

public java.util.jar.Manifest getManifest()

*

Overrides:

getManifest in class java.util.jar.JarInputStream

read

public int read()
         throws java.io.IOException

*

Overrides:

read in class java.util.zip.InflaterInputStream

Throws:

java.io.IOException

read

public int read(byte[] b)
         throws java.io.IOException

*

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

read

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

*

Overrides:

read in class java.util.jar.JarInputStream

Throws:

java.io.IOException

available

public int available()
              throws java.io.IOException

*

Overrides:

available in class java.util.zip.ZipInputStream

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

*

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.util.zip.ZipInputStream

Throws:

java.io.IOException

closeEntry

public void closeEntry()
                throws java.io.IOException

*

Overrides:

closeEntry in class java.util.zip.ZipInputStream

Throws:

java.io.IOException

skip

public long skip(long n)
          throws java.io.IOException

*

Overrides:

skip in class java.util.zip.ZipInputStream

Throws:

java.io.IOException

ensureOpen

private void ensureOpen()
                 throws java.io.IOException

*

Throws:

java.io.IOException

checkForEoSAndReturn

private int checkForEoSAndReturn(int result)
                          throws java.io.IOException

Check to see if the result is the EOF and if so exchange the current entry stream with the empty stream.

Parameters:

result -

Returns:

int result

Throws:

java.io.IOException

openCurrent

private void openCurrent(VirtualFile current)
                  throws java.io.IOException

Open the current virtual file as the current JarEntry stream.

Parameters:

current -

Throws:

java.io.IOException

getEntryName

private java.lang.String getEntryName(VirtualFile entry)

Get the entry name from a VirtualFile.

Parameters:

entry -

Returns:

fixDirectoryName

private java.lang.String fixDirectoryName(java.lang.String name)

Make sure directory names end with a trailing slash

Parameters:

name -

Returns: