Package java.util.jar

Class JarEntry

java.lang.Object

java.util.zip.ZipEntry

java.util.jar.JarEntry

All Implemented Interfaces:

Cloneable

public class JarEntry
extends ZipEntry

Represents a single file in a JAR archive together with the manifest attributes and digital signatures associated with it.

See Also:

JarFile, JarInputStream

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
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.ZipEntry

DEFLATED, STORED

Constructor Summary

Constructors

Constructor	Description
JarEntry(String name)	Creates a new JarEntry named name.
JarEntry(JarEntry je)	Create a new JarEntry using the values obtained from the argument.
JarEntry(ZipEntry entry)	Creates a new JarEntry using the values obtained from entry.

Method Summary

Modifier and Type	Method	Description
Attributes	getAttributes()	Returns the Attributes object associated with this entry or null if none exists.
Certificate[]	getCertificates()	Returns an array of Certificate Objects associated with this entry or null if none exists.
CodeSigner[]	getCodeSigners()	Returns the code signers for the digital signatures associated with the JAR file.

Methods inherited from class java.util.zip.ZipEntry

clone, getComment, getCompressedSize, getCrc, getExtra, getMethod, getName, getSize, getTime, hashCode, isDirectory, setComment, setCompressedSize, setCrc, setExtra, setMethod, setSize, setTime, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

LOCSIG

static final long LOCSIG

See Also:

Constant Field Values

EXTSIG

static final long EXTSIG

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Constant Field Values

CENSIG

static final long CENSIG

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Constant Field Values

ENDSIG

static final long ENDSIG

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Constant Field Values

LOCHDR

static final int LOCHDR

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Constant Field Values

EXTHDR

static final int EXTHDR

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Constant Field Values

CENHDR

static final int CENHDR

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Constant Field Values

ENDHDR

static final int ENDHDR

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Constant Field Values

LOCVER

static final int LOCVER

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Constant Field Values

LOCFLG

static final int LOCFLG

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Constant Field Values

LOCHOW

static final int LOCHOW

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Constant Field Values

LOCTIM

static final int LOCTIM

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Constant Field Values

LOCCRC

static final int LOCCRC

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Constant Field Values

LOCSIZ

static final int LOCSIZ

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Constant Field Values

LOCLEN

static final int LOCLEN

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Constant Field Values

LOCNAM

static final int LOCNAM

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Constant Field Values

LOCEXT

static final int LOCEXT

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Constant Field Values

EXTCRC

static final int EXTCRC

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Constant Field Values

EXTSIZ

static final int EXTSIZ

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Constant Field Values

EXTLEN

static final int EXTLEN

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Constant Field Values

CENVEM

static final int CENVEM

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Constant Field Values

CENVER

static final int CENVER

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Constant Field Values

CENFLG

static final int CENFLG

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Constant Field Values

CENHOW

static final int CENHOW

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Constant Field Values

CENTIM

static final int CENTIM

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Constant Field Values

CENCRC

static final int CENCRC

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Constant Field Values

CENSIZ

static final int CENSIZ

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Constant Field Values

CENLEN

static final int CENLEN

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Constant Field Values

CENNAM

static final int CENNAM

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Constant Field Values

CENEXT

static final int CENEXT

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Constant Field Values

CENCOM

static final int CENCOM

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Constant Field Values

CENDSK

static final int CENDSK

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Constant Field Values

CENATT

static final int CENATT

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CENATX

static final int CENATX

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CENOFF

static final int CENOFF

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Constant Field Values

ENDSUB

static final int ENDSUB

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Constant Field Values

ENDTOT

static final int ENDTOT

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ENDSIZ

static final int ENDSIZ

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ENDOFF

static final int ENDOFF

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Constant Field Values

ENDCOM

static final int ENDCOM

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Constant Field Values

Constructor Details

JarEntry

public JarEntry(String name)

Creates a new JarEntry named name.

Parameters:

name - The name of the new JarEntry.

JarEntry

public JarEntry(ZipEntry entry)

Creates a new JarEntry using the values obtained from entry.

Parameters:

entry - The ZipEntry to obtain values from.

JarEntry

public JarEntry(JarEntry je)

Create a new JarEntry using the values obtained from the argument.

Parameters:

je - The JarEntry to obtain values from.

Method Details

getAttributes

public Attributes getAttributes()
                         throws IOException

Returns the Attributes object associated with this entry or null if none exists.

Returns:

the Attributes for this entry.

Throws:

IOException - If an error occurs obtaining the Attributes.

See Also:

Attributes

getCertificates

public Certificate[] getCertificates()

Returns an array of Certificate Objects associated with this entry or null if none exists. Make sure that the everything is read from the input stream before calling this method, or else the method returns null.

Returns:

the certificate for this entry.

See Also:

Certificate

getCodeSigners

public CodeSigner[] getCodeSigners()

Returns the code signers for the digital signatures associated with the JAR file. If there is no such code signer, it returns null. Make sure that the everything is read from the input stream before calling this method, or else the method returns null.

Returns:

the code signers for the JAR entry.

See Also:

CodeSigner