Overview | Package | Class | Use | Tree | Deprecated | Index | Help
| JavaTM 2 Platform Std. Ed. v1.4.2
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

## java.util.zip
Class ZipEntry

    java.lang.Object
      java.util.zip.ZipEntry

All Implemented Interfaces:
  Cloneable, java.util.zip.ZipConstants

Direct Known Subclasses:
  JarEntry

public class ZipEntry
extends Object
implements java.util.zip.ZipConstants, 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:
    `setCrc(long)`

### 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:
    `getCrc()`

### 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
| JavaTM 2 Platform Std. Ed. v1.4.2
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

Submit a bug or feature
For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.