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JavaTM 2 Platform Std. Ed. v1.5.0

java.util.jar
Class JarEntry

java.lang.Object
  extended by java.util.zip.ZipEntry
      extended by java.util.jar.JarEntry
All Implemented Interfaces:
Cloneable

public class JarEntry
extends ZipEntry

This class is used to represent a JAR file entry.


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.ZipEntry
DEFLATED, STORED
 
Constructor Summary
JarEntry(JarEntry je)
          Creates a new JarEntry with fields taken from the specified JarEntry object.
JarEntry(String name)
          Creates a new JarEntry for the specified JAR file entry name.
JarEntry(ZipEntry ze)
          Creates a new JarEntry with fields taken from the specified ZipEntry object.
 
Method Summary
 Attributes getAttributes()
          Returns the Manifest Attributes for this entry, or null if none.
 Certificate[] getCertificates()
          Returns the Certificate objects for this entry, or null if none.
 CodeSigner[] getCodeSigners()
          Returns the CodeSigner objects for this entry, or null if none.
 
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 Detail

LOCSIG

public static final long LOCSIG
See Also:
Constant Field Values

EXTSIG

public static final long EXTSIG
See Also:
Constant Field Values

CENSIG

public static final long CENSIG
See Also:
Constant Field Values

ENDSIG

public static final long ENDSIG
See Also:
Constant Field Values

LOCHDR

public static final int LOCHDR
See Also:
Constant Field Values

EXTHDR

public static final int EXTHDR
See Also:
Constant Field Values

CENHDR

public static final int CENHDR
See Also:
Constant Field Values

ENDHDR

public static final int ENDHDR
See Also:
Constant Field Values

LOCVER

public static final int LOCVER
See Also:
Constant Field Values

LOCFLG

public static final int LOCFLG
See Also:
Constant Field Values

LOCHOW

public static final int LOCHOW
See Also:
Constant Field Values

LOCTIM

public static final int LOCTIM
See Also:
Constant Field Values

LOCCRC

public static final int LOCCRC
See Also:
Constant Field Values

LOCSIZ

public static final int LOCSIZ
See Also:
Constant Field Values

LOCLEN

public static final int LOCLEN
See Also:
Constant Field Values

LOCNAM

public static final int LOCNAM
See Also:
Constant Field Values

LOCEXT

public static final int LOCEXT
See Also:
Constant Field Values

EXTCRC

public static final int EXTCRC
See Also:
Constant Field Values

EXTSIZ

public static final int EXTSIZ
See Also:
Constant Field Values

EXTLEN

public static final int EXTLEN
See Also:
Constant Field Values

CENVEM

public static final int CENVEM
See Also:
Constant Field Values

CENVER

public static final int CENVER
See Also:
Constant Field Values

CENFLG

public static final int CENFLG
See Also:
Constant Field Values

CENHOW

public static final int CENHOW
See Also:
Constant Field Values

CENTIM

public static final int CENTIM
See Also:
Constant Field Values

CENCRC

public static final int CENCRC
See Also:
Constant Field Values

CENSIZ

public static final int CENSIZ
See Also:
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
See Also:
Constant Field Values

CENDSK

public static final int CENDSK
See Also:
Constant Field Values

CENATT

public static final int CENATT
See Also:
Constant Field Values

CENATX

public static final int CENATX
See Also:
Constant Field Values

CENOFF

public static final int CENOFF
See Also:
Constant Field Values

ENDSUB

public static final int ENDSUB
See Also:
Constant Field Values

ENDTOT

public static final int ENDTOT
See Also:
Constant Field Values

ENDSIZ

public static final int ENDSIZ
See Also:
Constant Field Values

ENDOFF

public static final int ENDOFF
See Also:
Constant Field Values

ENDCOM

public static final int ENDCOM
See Also:
Constant Field Values
Constructor Detail

JarEntry

public JarEntry(String name)
Creates a new JarEntry for the specified JAR file entry name.

Parameters:
name - the JAR file entry name
Throws:
NullPointerException - if the entry name is null
IllegalArgumentException - if the entry name is longer than 0xFFFF bytes.

JarEntry

public JarEntry(ZipEntry ze)
Creates a new JarEntry with fields taken from the specified ZipEntry object.

Parameters:
ze - the ZipEntry object to create the JarEntry from

JarEntry

public JarEntry(JarEntry je)
Creates a new JarEntry with fields taken from the specified JarEntry object.

Parameters:
je - the JarEntry to copy
Method Detail

getAttributes

public Attributes getAttributes()
                         throws IOException
Returns the Manifest Attributes for this entry, or null if none.

Returns:
the Manifest Attributes for this entry, or null if none
Throws:
IOException

getCertificates

public Certificate[] getCertificates()
Returns the Certificate objects for this entry, or null if none. This method can only be called once the JarEntry has been completely verified by reading from the entry input stream until the end of the stream has been reached. Otherwise, this method will return null.

The returned certificate array comprises all the signer certificates that were used to verify this entry. Each signer certificate is followed by its supporting certificate chain (which may be empty). Each signer certificate and its supporting certificate chain are ordered bottom-to-top (i.e., with the signer certificate first and the (root) certificate authority last).

Returns:
the Certificate objects for this entry, or null if none.

getCodeSigners

public CodeSigner[] getCodeSigners()
Returns the CodeSigner objects for this entry, or null if none. This method can only be called once the JarEntry has been completely verified by reading from the entry input stream until the end of the stream has been reached. Otherwise, this method will return null.

The returned array comprises all the code signers that have signed this entry.

Returns:
the CodeSigner objects for this entry, or null if none.
Since:
1.5

Copyright 2003 Sun Microsystems, Inc. All rights reserved