Overview Package Class Use Tree Deprecated Index Help
Java™ Platform
Standard Ed. 6
PREV CLASS NEXT CLASS FRAMES NO FRAMES All Classes
SUMMARY: NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD

java.util.zip
Class ZipEntry

java.lang.Object
 extended by java.util.zip.ZipEntry
All Implemented Interfaces:
Cloneable
Direct Known Subclasses:
JarEntry
public class ZipEntry
extends Object
implements Cloneable

This class is used to represent a ZIP 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 DEFLATED
Compression method for compressed (deflated) entries.
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
static int STORED
Compression method for uncompressed entries.
Constructor Summary
ZipEntry(String name)
Creates a new zip entry with the specified name.
ZipEntry(ZipEntry e)
Creates a new zip entry with fields taken from the specified zip entry.
Method Summary
Object clone()
Returns a copy of this entry.
String getComment()
Returns the comment string for the entry, or null if none.
long getCompressedSize()
Returns the size of the compressed entry data, or -1 if not known.
long getCrc()
Returns the CRC-32 checksum of the uncompressed entry data, or -1 if not known.
byte[] getExtra()
Returns the extra field data for the entry, or null if none.
int getMethod()
Returns the compression method of the entry, or -1 if not specified.
String getName()
Returns the name of the entry.
long getSize()
Returns the uncompressed size of the entry data, or -1 if not known.
long getTime()
Returns the modification time of the entry, or -1 if not specified.
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.
void setExtra(byte[] extra)
Sets the optional extra field data for 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 modification time of the entry.
String toString()
Returns a string representation of the ZIP entry.
Methods inherited from class java.lang.Object
equals, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

STORED

public static final int STORED
Compression method for uncompressed entries.

See Also:
Constant Field Values

DEFLATED

public static final int DEFLATED
Compression method for compressed (deflated) entries.

See Also:
Constant Field Values

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

ZipEntry

public ZipEntry(String name)
Creates a new zip entry with the specified name.

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

ZipEntry

public ZipEntry(ZipEntry e)
Creates a new zip entry with fields taken from the specified zip entry.

Parameters:
e - a zip Entry object
Method Detail

getName

public String getName()
Returns the name of the entry.

Returns:
the name of the entry

setTime

public void setTime(long time)
Sets the modification time of the entry.

Parameters:
time - the entry modification time in number of milliseconds since the epoch
See Also:
getTime()

getTime

public long getTime()
Returns the modification time of the entry, or -1 if not specified.

Returns:
the modification time of the entry, or -1 if not specified
See Also:
setTime(long)

setSize

public void setSize(long size)
Sets the uncompressed size of the entry data.

Parameters:
size - the uncompressed size in bytes
Throws:
IllegalArgumentException - if the specified size is less than 0 or greater than 0xFFFFFFFF bytes
See Also:
getSize()

getSize

public long getSize()
Returns the uncompressed size of the entry data, or -1 if not known.

Returns:
the uncompressed size of the entry data, or -1 if not known
See Also:
setSize(long)

getCompressedSize

public long getCompressedSize()
Returns the size of the compressed entry data, or -1 if not known. In the case of a stored entry, the compressed size will be the same as the uncompressed size of the entry.

Returns:
the size of the compressed entry data, or -1 if not known
See Also:
setCompressedSize(long)

setCompressedSize

public void setCompressedSize(long csize)
Sets the size of the compressed entry data.

Parameters:
csize - the compressed size to set to
See Also:
getCompressedSize()

setCrc

public void setCrc(long crc)
Sets the CRC-32 checksum of the uncompressed entry data.

Parameters:
crc - the CRC-32 value
Throws:
IllegalArgumentException - if the specified CRC-32 value is less than 0 or greater than 0xFFFFFFFF
See Also:
getCrc()

getCrc

public long getCrc()
Returns the CRC-32 checksum of the uncompressed entry data, or -1 if not known.

Returns:
the CRC-32 checksum of the uncompressed entry data, or -1 if not known
See Also:
setCrc(long)

setMethod

public void setMethod(int method)
Sets the compression method for the entry.

Parameters:
method - the compression method, either STORED or DEFLATED
Throws:
IllegalArgumentException - if the specified compression method is invalid
See Also:
getMethod()

getMethod

public int getMethod()
Returns the compression method of the entry, or -1 if not specified.

Returns:
the compression method of the entry, or -1 if not specified
See Also:
setMethod(int)

setExtra

public void setExtra(byte[] extra)
Sets the optional extra field data for the entry.

Parameters:
extra - the extra field data bytes
Throws:
IllegalArgumentException - if the length of the specified extra field data is greater than 0xFFFF bytes
See Also:
getExtra()

getExtra

public byte[] getExtra()
Returns the extra field data for the entry, or null if none.

Returns:
the extra field data for the entry, or null if none
See Also:
setExtra(byte[])

setComment

public void setComment(String comment)
Sets the optional comment string for the entry.

Parameters:
comment - the comment string
Throws:
IllegalArgumentException - if the length of the specified comment string is greater than 0xFFFF bytes
See Also:
getComment()

getComment

public String getComment()
Returns the comment string for the entry, or null if none.

Returns:
the comment string for the entry, or null if none
See Also:
setComment(String)

isDirectory

public boolean isDirectory()
Returns true if this is a directory entry. A directory entry is defined to be one whose name ends with a '/'.

Returns:
true if this is a directory entry

toString

public String toString()
Returns a string representation of the ZIP entry.

Overrides:
toString in class Object
Returns:
a string representation of the object.

hashCode

public int hashCode()
Returns the hash code value for this entry.

Overrides:
hashCode in class Object
Returns:
a hash code value for this object.
See Also:
Object.equals(java.lang.Object), Hashtable

clone

public Object clone()
Returns a copy of this entry.

Overrides:
clone in class Object
Returns:
a clone of this instance.
See Also:
Cloneable
Overview Package Class Use Tree Deprecated Index Help
Java™ Platform
Standard Ed. 6
PREV CLASS NEXT CLASS FRAMES NO FRAMES All Classes
SUMMARY: NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD
Submit a bug or feature
For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright © 1993, 2015, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.

Scripting on this page tracks web page traffic, but does not change the content in any way.

AltStyle によって変換されたページ (->オリジナル) /