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java.util.zip - ZipInputStream
  • 时间:2024-09-17

java.util.zip - ZipInputStream Class


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Introduction

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

Class declaration

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

pubpc class ZipInputStream
   extends InflaterInputStream

Fields

Following are the fields for java.util.zip.ZipInputStream 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 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

Constructors

Sr.No. Constructor & Description
1

ZipInputStream(InputStream in)

Creates a new ZIP input stream.

2

ZipInputStream(InputStream in, Charset charset)

Creates a new ZIP input stream.

Class methods

Sr.No. Method & Description
1 int available()

Returns 0 after EOF has reached for the current entry data, otherwise always return 1.

2 void close()

Closes this input stream and releases any system resources associated with the stream.

3 void closeEntry()

Closes the current ZIP entry and positions the stream for reading the next entry.

4 ZipEntry getNextEntry()

Reads the next ZIP file entry and positions the stream at the beginning of the entry data.

5 int read(byte[] b, int off, int len)

Reads from the current ZIP entry into an array of bytes.

6 long skip(long n)

Skips specified number of bytes in the current ZIP entry.

Methods inherited

This class inherits methods from the following classes −

    java.util.zip.InflaterInputStream

    java.io.FilterInputStream

    java.lang.Object

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