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java.lang.Objectjava.io.InputStream
java.io.FilterInputStream
java.util.zip.InflaterInputStream
java.util.zip.ZipInputStream
public class ZipInputStream
This is a FilterInputStream that reads the files in an zip archive one after another. It has a special method to get the zip entry of the next file. The zip entry contains information about the file name size, compressed size, CRC, etc. It includes support for STORED and DEFLATED entries.
Field Summary | |
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static int |
CENATT
|
static int |
CENATX
|
static int |
CENCOM
|
static int |
CENCRC
|
static int |
CENDSK
|
static int |
CENEXT
|
static int |
CENFLG
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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
|
Fields inherited from class java.util.zip.InflaterInputStream |
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buf, inf, len |
Fields inherited from class java.io.FilterInputStream |
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in |
Constructor Summary | |
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ZipInputStream(InputStream in)
Creates a new Zip input stream, reading a zip archive. |
Method Summary | |
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int |
available()
Returns 0 once the end of the stream (EOF) has been reached. |
void |
close()
Closes the zip file. |
void |
closeEntry()
Closes the current zip entry and moves to the next one. |
protected ZipEntry |
createZipEntry(String name)
Creates a new zip entry for the given name. |
ZipEntry |
getNextEntry()
Open the next entry from the zip archive, and return its description. |
int |
read()
Reads a byte from the current zip entry. |
int |
read(byte[] b,
int off,
int len)
Reads a block of bytes from the current zip entry. |
Methods inherited from class java.util.zip.InflaterInputStream |
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fill, mark, markSupported, reset, skip |
Methods inherited from class java.io.FilterInputStream |
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read |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int LOCHDR
public static final long LOCSIG
public static final int LOCVER
public static final int LOCFLG
public static final int LOCHOW
public static final int LOCTIM
public static final int LOCCRC
public static final int LOCSIZ
public static final int LOCLEN
public static final int LOCNAM
public static final int LOCEXT
public static final long EXTSIG
public static final int EXTHDR
public static final int EXTCRC
public static final int EXTSIZ
public static final int EXTLEN
public static final long CENSIG
public static final int CENHDR
public static final int CENVEM
public static final int CENVER
public static final int CENFLG
public static final int CENHOW
public static final int CENTIM
public static final int CENCRC
public static final int CENSIZ
public static final int CENLEN
public static final int CENNAM
public static final int CENEXT
public static final int CENCOM
public static final int CENDSK
public static final int CENATT
public static final int CENATX
public static final int CENOFF
public static final long ENDSIG
public static final int ENDHDR
public static final int ENDSUB
public static final int ENDTOT
public static final int ENDSIZ
public static final int ENDOFF
public static final int ENDCOM
Constructor Detail |
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public ZipInputStream(InputStream in)
Method Detail |
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public ZipEntry getNextEntry() throws IOException
IOException
public void closeEntry() throws IOException
IOException
public int available() throws IOException
InflaterInputStream
available
in class InflaterInputStream
in.available()
IOException
- If an error occurspublic int read() throws IOException
read
in class InflaterInputStream
IOException
- if a i/o error occured.
ZipException
- if the deflated stream is corrupted.public int read(byte[] b, int off, int len) throws IOException
read
in class InflaterInputStream
b
- the array to read and decompress data intooff
- the offset indicating where the data should be placedlen
- the number of bytes to decompress
IOException
- if a i/o error occured.
ZipException
- if the deflated stream is corrupted.public void close() throws IOException
close
in interface Closeable
close
in class InflaterInputStream
IOException
- if a i/o error occured.protected ZipEntry createZipEntry(String name)
name
- the name of the zip entry.
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