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Java Source Code / Java Documentation » 6.0 JDK Core » Collections Jar Zip Logging regex » java.util.zip 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.util.zip.InflaterInputStream
   java.util.zip.GZIPInputStream

GZIPInputStream
public class GZIPInputStream extends InflaterInputStream (Code)
This class implements a stream filter for reading compressed data in the GZIP file format.
See Also:   InflaterInputStream
version:
   1.39, 05/05/07
author:
   David Connelly


Field Summary
final public static  intGZIP_MAGIC
     GZIP header magic number.
protected  CRC32crc
     CRC-32 for uncompressed data.
protected  booleaneos
     Indicates end of input stream.

Constructor Summary
public  GZIPInputStream(InputStream in, int size)
     Creates a new input stream with the specified buffer size.
public  GZIPInputStream(InputStream in)
     Creates a new input stream with a default buffer size.

Method Summary
public  voidclose()
     Closes this input stream and releases any system resources associated with the stream.
public  intread(byte[] buf, int off, int len)
     Reads uncompressed data into an array of bytes.

Field Detail
GZIP_MAGIC
final public static int GZIP_MAGIC(Code)
GZIP header magic number.



crc
protected CRC32 crc(Code)
CRC-32 for uncompressed data.



eos
protected boolean eos(Code)
Indicates end of input stream.




Constructor Detail
GZIPInputStream
public GZIPInputStream(InputStream in, int size) throws IOException(Code)
Creates a new input stream with the specified buffer size.
Parameters:
  in - the input stream
Parameters:
  size - the input buffer size
exception:
  IOException - if an I/O error has occurred
exception:
  IllegalArgumentException - if size is <= 0



GZIPInputStream
public GZIPInputStream(InputStream in) throws IOException(Code)
Creates a new input stream with a default buffer size.
Parameters:
  in - the input stream
exception:
  IOException - if an I/O error has occurred




Method Detail
close
public void close() throws IOException(Code)
Closes this input stream and releases any system resources associated with the stream.
exception:
  IOException - if an I/O error has occurred



read
public int read(byte[] buf, int off, int len) throws IOException(Code)
Reads uncompressed data into an array of bytes. If len is not zero, the method will block until some input can be decompressed; otherwise, no bytes are read and 0 is returned.
Parameters:
  buf - the buffer into which the data is read
Parameters:
  off - the start offset in the destination array b
Parameters:
  len - the maximum number of bytes read the actual number of bytes read, or -1 if the end of thecompressed input stream is reached
exception:
  NullPointerException - If buf is null.
exception:
  IndexOutOfBoundsException - If off is negative, len is negative, or len is greater than buf.length - off
exception:
  IOException - if an I/O error has occurred or the compressedinput data is corrupt



Fields inherited from java.util.zip.InflaterInputStream
protected byte[] buf(Code)(Java Doc)
protected Inflater inf(Code)(Java Doc)
protected int len(Code)(Java Doc)
boolean usesDefaultInflater(Code)(Java Doc)

Methods inherited from java.util.zip.InflaterInputStream
public int available() throws IOException(Code)(Java Doc)
public void close() throws IOException(Code)(Java Doc)
protected void fill() throws IOException(Code)(Java Doc)
public synchronized void mark(int readlimit)(Code)(Java Doc)
public boolean markSupported()(Code)(Java Doc)
public int read() throws IOException(Code)(Java Doc)
public int read(byte[] b, int off, int len) throws IOException(Code)(Java Doc)
public synchronized void reset() throws IOException(Code)(Java Doc)
public long skip(long n) throws IOException(Code)(Java Doc)

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