java.lang.Object
- java.io.OutputStream
- - java.io.FilterOutputStream
  - - java.util.zip.DeflaterOutputStream
    - - java.util.zip.ZipOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

Direct Known Subclasses:

JarOutputStream
```
public class ZipOutputStream
extends DeflaterOutputStream
```
This class implements an output stream filter for writing files in the ZIP file format. Includes support for both compressed and uncompressed entries.

Field Summary

Fields
Modifier and Type	Field and 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`	`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 (STORED) entries.

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Fields inherited from class java.util.zip.DeflaterOutputStream buf, def

Fields inherited from class java.io.FilterOutputStream out

Constructor Summary

Constructors
Constructor and Description
`ZipOutputStream(OutputStream out)` Creates a new ZIP output stream.
`ZipOutputStream(OutputStream out, Charset charset)` Creates a new ZIP output stream.

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Method Summary

Methods
Modifier and Type	Method and Description
`void`	`close()` Closes the ZIP output stream as well as the stream being filtered.
`void`	`closeEntry()` Closes the current ZIP entry and positions the stream for writing the next entry.
`void`	`finish()` Finishes writing the contents of the ZIP output stream without closing the underlying stream.
`void`	`putNextEntry(ZipEntry e)` Begins writing a new ZIP file entry and positions the stream to the start of the entry data.
`void`	`setComment(String comment)` Sets the ZIP file comment.
`void`	`setLevel(int level)` Sets the compression level for subsequent entries which are DEFLATED.
`void`	`setMethod(int method)` Sets the default compression method for subsequent entries.
`void`	`write(byte[] b, int off, int len)` Writes an array of bytes to the current ZIP entry data.

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Methods inherited from class java.util.zip.DeflaterOutputStream deflate, flush, write

Methods inherited from class java.io.FilterOutputStream write

Methods inherited from class java.lang.Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - STORED
    public static final int STORED
    
    Compression method for uncompressed (STORED) 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
  - ZipOutputStream
    public ZipOutputStream(OutputStream out)
    
    Creates a new ZIP output stream.
    The UTF-8 charset is used to encode the entry names and comments.
    
    Parameters:
    out - the actual output stream
  - ZipOutputStream
    public ZipOutputStream(OutputStream out, Charset charset)
    
    Creates a new ZIP output stream.
    
    Parameters:
    out - the actual output stream
    charset - the charset to be used to encode the entry names and comments
    Since:
    
    1.7
- Method Detail
  - setComment
    public void setComment(String comment)
    
    Sets the ZIP file comment.
    
    Parameters:
    comment - the comment string
    
    Throws:
    
    IllegalArgumentException - if the length of the specified ZIP file comment is greater than 0xFFFF bytes
  - setMethod
    public void setMethod(int method)
    
    Sets the default compression method for subsequent entries. This default will be used whenever the compression method is not specified for an individual ZIP file entry, and is initially set to DEFLATED.
    
    Parameters:
    method - the default compression method
    
    Throws:
    
    IllegalArgumentException - if the specified compression method is invalid
  - setLevel
    public void setLevel(int level)
    
    Sets the compression level for subsequent entries which are DEFLATED. The default setting is DEFAULT_COMPRESSION.
    
    Parameters:
    level - the compression level (0-9)
    
    Throws:
    
    IllegalArgumentException - if the compression level is invalid
  - putNextEntry
    public void putNextEntry(ZipEntry e) throws IOException
    
    Begins writing a new ZIP file entry and positions the stream to the start of the entry data. Closes the current entry if still active. The default compression method will be used if no compression method was specified for the entry, and the current time will be used if the entry has no set modification time.
    
    Parameters:
    e - the ZIP entry to be written
    
    Throws:
    
    ZipException - if a ZIP format error has occurred
    
    IOException - if an I/O error has occurred
  - closeEntry
    public void closeEntry() throws IOException
    
    Closes the current ZIP entry and positions the stream for writing the next entry.
    
    Throws:
    
    ZipException - if a ZIP format error has occurred
    
    IOException - if an I/O error has occurred
  - write
    public void write(byte[] b, int off, int len) throws IOException
    
    Writes an array of bytes to the current ZIP entry data. This method will block until all the bytes are written.
    
    Overrides:
    
    write in class DeflaterOutputStream
    
    Parameters:
    b - the data to be written
    off - the start offset in the data
    len - the number of bytes that are written
    
    Throws:
    
    ZipException - if a ZIP file error has occurred
    
    IOException - if an I/O error has occurred
    See Also:
    FilterOutputStream.write(int)
  - finish
    public void finish() throws IOException
    
    Finishes writing the contents of the ZIP output stream without closing the underlying stream. Use this method when applying multiple filters in succession to the same output stream.
    
    Overrides:
    
    finish in class DeflaterOutputStream
    
    Throws:
    
    ZipException - if a ZIP file error has occurred
    
    IOException - if an I/O exception has occurred
  - close
    public void close() throws IOException
    
    Closes the ZIP output stream as well as the stream being filtered.
    
    Specified by:
    
    close in interface Closeable
    
    Specified by:
    
    close in interface AutoCloseable
    
    Overrides:
    
    close in class DeflaterOutputStream
    
    Throws:
    
    ZipException - if a ZIP file error has occurred
    
    IOException - if an I/O error has occurred
    See Also:
    FilterOutputStream.flush(), FilterOutputStream.out

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Dokument erstellt 11/06/2005, zuletzt geändert 04/03/2020
Quelle des gedruckten Dokuments:https://www.gaudry.be/de/java-api-rf-java/util/zip/ZipOutputStream.html

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Referenzen

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Class ZipOutputStream

Referenzen