Added in API level 1

Summary: Constants | Inherited Constants | Ctors | Methods | Inherited Methods

JarEntry

public class JarEntry
extends ZipEntry

java.lang.Object
↳	java.util.zip.ZipEntry
	↳	java.util.jar.JarEntry

This class is used to represent a JAR file entry.

Summary

Constants
`int`	`CENATT` Central directory (CEN) header internal file attributes field offset.
`int`	`CENATX` Central directory (CEN) header external file attributes field offset.
`int`	`CENCOM` Central directory (CEN) header comment length field offset.
`int`	`CENCRC` Central directory (CEN) header uncompressed file crc-32 value field offset.
`int`	`CENDSK` Central directory (CEN) header disk number start field offset.
`int`	`CENEXT` Central directory (CEN) header extra field length field offset.
`int`	`CENFLG` Central directory (CEN) header encrypt, decrypt flags field offset.
`int`	`CENHDR` Central directory (CEN) header size in bytes (including signature).
`int`	`CENHOW` Central directory (CEN) header compression method field offset.
`int`	`CENLEN` Central directory (CEN) header uncompressed size field offset.
`int`	`CENNAM` Central directory (CEN) header filename length field offset.
`int`	`CENOFF` Central directory (CEN) header LOC header offset field offset.
`long`	`CENSIG` Central directory (CEN) header signature.
`int`	`CENSIZ` Central directory (CEN) header compressed size field offset.
`int`	`CENTIM` Central directory (CEN) header modification time field offset.
`int`	`CENVEM` Central directory (CEN) header version made by field offset.
`int`	`CENVER` Central directory (CEN) header version needed to extract field offset.
`int`	`ENDCOM` End of central directory (END) header zip file comment length field offset.
`int`	`ENDHDR` End of central directory (END) header size in bytes (including signature).
`int`	`ENDOFF` End of central directory (END) header offset for the first CEN header field offset.
`long`	`ENDSIG` End of central directory (END) header signature.
`int`	`ENDSIZ` End of central directory (END) header central directory size in bytes field offset.
`int`	`ENDSUB` End of central directory (END) header number of entries on this disk field offset.
`int`	`ENDTOT` End of central directory (END) header total number of entries field offset.
`int`	`EXTCRC` Extra local (EXT) header uncompressed file crc-32 value field offset.
`int`	`EXTHDR` Extra local (EXT) header size in bytes (including signature).
`int`	`EXTLEN` Extra local (EXT) header uncompressed size field offset.
`long`	`EXTSIG` Extra local (EXT) header signature.
`int`	`EXTSIZ` Extra local (EXT) header compressed size field offset.
`int`	`LOCCRC` Local file (LOC) header uncompressed file crc-32 value field offset.
`int`	`LOCEXT` Local file (LOC) header extra field length field offset.
`int`	`LOCFLG` Local file (LOC) header general purpose bit flag field offset.
`int`	`LOCHDR` Local file (LOC) header size in bytes (including signature).
`int`	`LOCHOW` Local file (LOC) header compression method field offset.
`int`	`LOCLEN` Local file (LOC) header uncompressed size field offset.
`int`	`LOCNAM` Local file (LOC) header filename length field offset.
`long`	`LOCSIG` Local file (LOC) header signature.
`int`	`LOCSIZ` Local file (LOC) header compressed size field offset.
`int`	`LOCTIM` Local file (LOC) header modification time field offset.
`int`	`LOCVER` Local file (LOC) header version needed to extract field offset.

Inherited constants

From class java.util.zip.ZipEntry

`int`	`CENATT` Central directory (CEN) header internal file attributes field offset.
`int`	`CENATX` Central directory (CEN) header external file attributes field offset.
`int`	`CENCOM` Central directory (CEN) header comment length field offset.
`int`	`CENCRC` Central directory (CEN) header uncompressed file crc-32 value field offset.
`int`	`CENDSK` Central directory (CEN) header disk number start field offset.
`int`	`CENEXT` Central directory (CEN) header extra field length field offset.
`int`	`CENFLG` Central directory (CEN) header encrypt, decrypt flags field offset.
`int`	`CENHDR` Central directory (CEN) header size in bytes (including signature).
`int`	`CENHOW` Central directory (CEN) header compression method field offset.
`int`	`CENLEN` Central directory (CEN) header uncompressed size field offset.
`int`	`CENNAM` Central directory (CEN) header filename length field offset.
`int`	`CENOFF` Central directory (CEN) header LOC header offset field offset.
`long`	`CENSIG` Central directory (CEN) header signature.
`int`	`CENSIZ` Central directory (CEN) header compressed size field offset.
`int`	`CENTIM` Central directory (CEN) header modification time field offset.
`int`	`CENVEM` Central directory (CEN) header version made by field offset.
`int`	`CENVER` Central directory (CEN) header version needed to extract field offset.
`int`	`DEFLATED` Compression method for compressed (deflated) entries.
`int`	`ENDCOM` End of central directory (END) header zip file comment length field offset.
`int`	`ENDHDR` End of central directory (END) header size in bytes (including signature).
`int`	`ENDOFF` End of central directory (END) header offset for the first CEN header field offset.
`long`	`ENDSIG` End of central directory (END) header signature.
`int`	`ENDSIZ` End of central directory (END) header central directory size in bytes field offset.
`int`	`ENDSUB` End of central directory (END) header number of entries on this disk field offset.
`int`	`ENDTOT` End of central directory (END) header total number of entries field offset.
`int`	`EXTCRC` Extra local (EXT) header uncompressed file crc-32 value field offset.
`int`	`EXTHDR` Extra local (EXT) header size in bytes (including signature).
`int`	`EXTLEN` Extra local (EXT) header uncompressed size field offset.
`long`	`EXTSIG` Extra local (EXT) header signature.
`int`	`EXTSIZ` Extra local (EXT) header compressed size field offset.
`int`	`LOCCRC` Local file (LOC) header uncompressed file crc-32 value field offset.
`int`	`LOCEXT` Local file (LOC) header extra field length field offset.
`int`	`LOCFLG` Local file (LOC) header general purpose bit flag field offset.
`int`	`LOCHDR` Local file (LOC) header size in bytes (including signature).
`int`	`LOCHOW` Local file (LOC) header compression method field offset.
`int`	`LOCLEN` Local file (LOC) header uncompressed size field offset.
`int`	`LOCNAM` Local file (LOC) header filename length field offset.
`long`	`LOCSIG` Local file (LOC) header signature.
`int`	`LOCSIZ` Local file (LOC) header compressed size field offset.
`int`	`LOCTIM` Local file (LOC) header modification time field offset.
`int`	`LOCVER` Local file (LOC) header version needed to extract field offset.
`int`	`STORED` Compression method for uncompressed entries.

Public constructors
`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.
`JarEntry(JarEntry je)` Creates a new `JarEntry` with fields taken from the specified `JarEntry` object.

Public methods
`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.
`String`	`getRealName()` This method returns the same name that `ZipEntry.getName()` returns.

Inherited methods

From class


        
          java.util.zip.ZipEntry

`Object`	`clone()` Returns a copy of this entry.
`String`	`getComment()` Returns the comment string for the entry.
`long`	`getCompressedSize()` Returns the size of the compressed entry data.
`long`	`getCrc()` Returns the CRC-32 checksum of the uncompressed entry data.
`FileTime`	`getCreationTime()` Returns the creation time of the entry.
`byte[]`	`getExtra()` Returns the extra field data for the entry.
`FileTime`	`getLastAccessTime()` Returns the last access time of the entry.
`FileTime`	`getLastModifiedTime()` Returns the last modification time of the entry.
`int`	`getMethod()` Returns the compression method of the entry.
`String`	`getName()` Returns the name of the entry.
`long`	`getSize()` Returns the uncompressed size of the entry data.
`long`	`getTime()` Returns the last modification time of the entry.
`LocalDateTime`	`getTimeLocal()` Returns the last modification time of the entry in local date-time.
`int`	`hashCode()` Returns the hash code value for this entry.
`boolean`	`isDirectory()` Returns true if this is a directory entry.
`void`	`setComment(String comment)` Sets the optional comment string for the entry.
`void`	`setCompressedSize(long csize)` Sets the size of the compressed entry data.
`void`	`setCrc(long crc)` Sets the CRC-32 checksum of the uncompressed entry data.
`ZipEntry`	`setCreationTime(FileTime time)` Sets the creation time of the entry.
`void`	`setExtra(byte[] extra)` Sets the optional extra field data for the entry.
`ZipEntry`	`setLastAccessTime(FileTime time)` Sets the last access time of the entry.
`ZipEntry`	`setLastModifiedTime(FileTime time)` Sets the last modification time of the entry.
`void`	`setMethod(int method)` Sets the compression method for the entry.
`void`	`setSize(long size)` Sets the uncompressed size of the entry data.
`void`	`setTime(long time)` Sets the last modification time of the entry.
`void`	`setTimeLocal(LocalDateTime time)` Sets the last modification time of the entry in local date-time.
`String`	`toString()` Returns a string representation of the ZIP entry.

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeoutMillis, int nanos)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait()` Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Constants

CENATT

Added in API level 21

public static final int CENATT

Central directory (CEN) header internal file attributes field offset.

Constant Value: 36 (0x00000024)

CENATX

Added in API level 21

public static final int CENATX

Central directory (CEN) header external file attributes field offset.

Constant Value: 38 (0x00000026)

CENCOM

Added in API level 21

public static final int CENCOM

Central directory (CEN) header comment length field offset.

Constant Value: 32 (0x00000020)

CENCRC

Added in API level 21

public static final int CENCRC

Central directory (CEN) header uncompressed file crc-32 value field offset.

Constant Value: 16 (0x00000010)

CENDSK

Added in API level 21

public static final int CENDSK

Central directory (CEN) header disk number start field offset.

Constant Value: 34 (0x00000022)

CENEXT

Added in API level 21

public static final int CENEXT

Central directory (CEN) header extra field length field offset.

Constant Value: 30 (0x0000001e)

CENFLG

Added in API level 21

public static final int CENFLG

Central directory (CEN) header encrypt, decrypt flags field offset.

Constant Value: 8 (0x00000008)

CENHDR

Added in API level 21

public static final int CENHDR

Central directory (CEN) header size in bytes (including signature).

Constant Value: 46 (0x0000002e)

CENHOW

Added in API level 21

public static final int CENHOW

Central directory (CEN) header compression method field offset.

Constant Value: 10 (0x0000000a)

CENLEN

Added in API level 21

public static final int CENLEN

Central directory (CEN) header uncompressed size field offset.

Constant Value: 24 (0x00000018)

CENNAM

Added in API level 21

public static final int CENNAM

Central directory (CEN) header filename length field offset.

Constant Value: 28 (0x0000001c)

CENOFF

Added in API level 21

public static final int CENOFF

Central directory (CEN) header LOC header offset field offset.

Constant Value: 42 (0x0000002a)

CENSIG

Added in API level 21

public static final long CENSIG

Central directory (CEN) header signature.

Constant Value: 33639248 (0x0000000002014b50)

CENSIZ

Added in API level 21

public static final int CENSIZ

Central directory (CEN) header compressed size field offset.

Constant Value: 20 (0x00000014)

CENTIM

Added in API level 21

public static final int CENTIM

Central directory (CEN) header modification time field offset.

Constant Value: 12 (0x0000000c)

CENVEM

Added in API level 21

public static final int CENVEM

Central directory (CEN) header version made by field offset.

Constant Value: 4 (0x00000004)

CENVER

Added in API level 21

public static final int CENVER

Central directory (CEN) header version needed to extract field offset.

Constant Value: 6 (0x00000006)

ENDCOM

Added in API level 21

public static final int ENDCOM

End of central directory (END) header zip file comment length field offset.

Constant Value: 20 (0x00000014)

ENDHDR

Added in API level 21

public static final int ENDHDR

End of central directory (END) header size in bytes (including signature).

Constant Value: 22 (0x00000016)

ENDOFF

Added in API level 21

public static final int ENDOFF

End of central directory (END) header offset for the first CEN header field offset.

Constant Value: 16 (0x00000010)

ENDSIG

Added in API level 21

public static final long ENDSIG

End of central directory (END) header signature.

Constant Value: 101010256 (0x0000000006054b50)

ENDSIZ

Added in API level 21

public static final int ENDSIZ

End of central directory (END) header central directory size in bytes field offset.

Constant Value: 12 (0x0000000c)

ENDSUB

Added in API level 21

public static final int ENDSUB

End of central directory (END) header number of entries on this disk field offset.

Constant Value: 8 (0x00000008)

ENDTOT

Added in API level 21

public static final int ENDTOT

End of central directory (END) header total number of entries field offset.

Constant Value: 10 (0x0000000a)

EXTCRC

Added in API level 21

public static final int EXTCRC

Extra local (EXT) header uncompressed file crc-32 value field offset.

Constant Value: 4 (0x00000004)

EXTHDR

Added in API level 21

public static final int EXTHDR

Extra local (EXT) header size in bytes (including signature).

Constant Value: 16 (0x00000010)

EXTLEN

Added in API level 21

public static final int EXTLEN

Extra local (EXT) header uncompressed size field offset.

Constant Value: 12 (0x0000000c)

EXTSIG

Added in API level 21

public static final long EXTSIG

Extra local (EXT) header signature.

Constant Value: 134695760 (0x0000000008074b50)

EXTSIZ

Added in API level 21

public static final int EXTSIZ

Extra local (EXT) header compressed size field offset.

Constant Value: 8 (0x00000008)

LOCCRC

Added in API level 21

public static final int LOCCRC

Local file (LOC) header uncompressed file crc-32 value field offset.

Constant Value: 14 (0x0000000e)

LOCEXT

Added in API level 21

public static final int LOCEXT

Local file (LOC) header extra field length field offset.

Constant Value: 28 (0x0000001c)

LOCFLG

Added in API level 21

public static final int LOCFLG

Local file (LOC) header general purpose bit flag field offset.

Constant Value: 6 (0x00000006)

LOCHDR

Added in API level 21

public static final int LOCHDR

Local file (LOC) header size in bytes (including signature).

Constant Value: 30 (0x0000001e)

LOCHOW

Added in API level 21

public static final int LOCHOW

Local file (LOC) header compression method field offset.

Constant Value: 8 (0x00000008)

LOCLEN

Added in API level 21

public static final int LOCLEN

Local file (LOC) header uncompressed size field offset.

Constant Value: 22 (0x00000016)

LOCNAM

Added in API level 21

public static final int LOCNAM

Local file (LOC) header filename length field offset.

Constant Value: 26 (0x0000001a)

LOCSIG

Added in API level 21

public static final long LOCSIG

Local file (LOC) header signature.

Constant Value: 67324752 (0x0000000004034b50)

LOCSIZ

Added in API level 21

public static final int LOCSIZ

Local file (LOC) header compressed size field offset.

Constant Value: 18 (0x00000012)

LOCTIM

Added in API level 21

public static final int LOCTIM

Local file (LOC) header modification time field offset.

Constant Value: 10 (0x0000000a)

LOCVER

Added in API level 21

public static final int LOCVER

Local file (LOC) header version needed to extract field offset.

Constant Value: 4 (0x00000004)

Public constructors

JarEntry

Added in API level 1

public JarEntry (String name)

Creates a new JarEntry for the specified JAR file entry name.

Parameters
`name`	`String`: the JAR file entry name

Throws
`NullPointerException`	if the entry name is `null`
`IllegalArgumentException`	if the entry name is longer than 0xFFFF bytes.

JarEntry

Added in API level 1

public JarEntry (ZipEntry ze)

Creates a new JarEntry with fields taken from the specified ZipEntry object.

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

JarEntry

Added in API level 1

public JarEntry (JarEntry je)

Creates a new JarEntry with fields taken from the specified JarEntry object.

Parameters
`je`	`JarEntry`: the `JarEntry` to copy

Public methods

getAttributes

Added in API level 1

public Attributes getAttributes ()

Returns the Manifest Attributes for this entry, or null if none.

Returns
`Attributes`	the `Manifest` `Attributes` for this entry, or `null` if none

Throws
`IOException`	if an I/O error has occurred

getCertificates

Added in API level 1

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
`Certificate[]`	the `Certificate` objects for this entry, or `null` if none.

getCodeSigners

Added in API level 1

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
`CodeSigner[]`	the `CodeSigner` objects for this entry, or `null` if none.

getRealName

Added in API level 33

public String getRealName ()

This method returns the same name that ZipEntry.getName() returns.

Returns
`String`	the real name of the JarEntry