java.util.zip Package Classes

java.util.zip Package Extras

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java.util.zip - ZipOutputStream

java.util.zip - ZipOutputStream Class

Introduction

The java.util.zip.ZipOutputStream class implements an output stream filter for writing files in the ZIP file format. Includes support for both compressed and uncompressed entries.

Class declaration

Following is the declaration for java.util.zip.ZipOutputStream class −

pubpc class ZipOutputStream
   extends DeflaterOutputStream

Fields

Following are the fields for java.util.zip.ZipOutputStream class −

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.

Constructors

Sr.No.	Constructor & Description
1	ZipOutputStream(OutputStream out) Creates a new ZIP output stream.
2	ZipOutputStream(OutputStream out, Charset charset) Creates a new ZIP output stream.

Sr.No.

Constructor & Description

ZipOutputStream(OutputStream out)

Creates a new ZIP output stream.

ZipOutputStream(OutputStream out, Charset charset)

Creates a new ZIP output stream.

Class methods

Sr.No.	Method & Description
1	void close() Closes the ZIP output stream as well as the stream being filtered.
2	void closeEntry() Closes the current ZIP entry and positions the stream for writing the next entry.
3	void finish() Finishes writing the contents of the ZIP output stream without closing the underlying stream.
4	void putNextEntry(ZipEntry e) Begins writing a new ZIP file entry and positions the stream to the start of the entry data.
5	void setComment(String comment) Sets the ZIP file comment.
6	void setLevel(int level) Sets the compression level for subsequent entries which are DEFLATED.
7	void setMethod(int method) Sets the default compression method for subsequent entries.
8	void write(byte[] b, int off, int len) Writes an array of bytes to the current ZIP entry data.

Methods inherited

This class inherits methods from the following classes −

java.util.zip.DeflaterOutputStream

java.io.FilterOutputStream

java.lang.Object