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java.lang.Objectjava.io.InputStream
java.io.FilterInputStream
com.myJava.file.archive.zip64.InflaterInputStream
public class InflaterInputStream
This class implements a stream filter for uncompressing data in the "deflate" compression format. It is also used as the basis for other decompression filters, such as GZIPInputStream.
Inflater
Field Summary | |
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protected byte[] |
buf
Input buffer for decompression. |
protected java.util.zip.Inflater |
inf
Decompressor for this stream. |
protected int |
len
Length of input buffer. |
Fields inherited from class java.io.FilterInputStream |
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in |
Constructor Summary | |
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InflaterInputStream(java.io.InputStream in)
Creates a new input stream with a default decompressor and buffer size. |
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InflaterInputStream(java.io.InputStream in,
java.util.zip.Inflater inf)
Creates a new input stream with the specified decompressor and a default buffer size. |
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InflaterInputStream(java.io.InputStream in,
java.util.zip.Inflater inf,
int size)
Creates a new input stream with the specified decompressor and buffer size. |
Method Summary | |
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int |
available()
Returns 0 after EOF has reached, otherwise always return 1. |
void |
close()
Closes the input stream. |
protected void |
fill()
Fills input buffer with more data to decompress. |
long |
getTotalOut()
|
int |
read()
Reads a byte of uncompressed data. |
int |
read(byte[] b,
int off,
int len)
Reads uncompressed data into an array of bytes. |
void |
resetInflater()
|
long |
skip(long n)
Skips specified number of bytes of uncompressed data. |
Methods inherited from class java.io.FilterInputStream |
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mark, markSupported, read, reset |
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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protected java.util.zip.Inflater inf
protected byte[] buf
protected int len
Constructor Detail |
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public InflaterInputStream(java.io.InputStream in, java.util.zip.Inflater inf, int size)
in
- the input streaminf
- the decompressor ("inflater")size
- the input buffer size
java.lang.IllegalArgumentException
- if size is <= 0public InflaterInputStream(java.io.InputStream in, java.util.zip.Inflater inf)
in
- the input streaminf
- the decompressor ("inflater")public InflaterInputStream(java.io.InputStream in)
in
- the input streamMethod Detail |
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public int read() throws java.io.IOException
read
in class java.io.FilterInputStream
java.io.IOException
- if an I/O error has occurredpublic int read(byte[] b, int off, int len) throws java.io.IOException
read
in class java.io.FilterInputStream
b
- the buffer into which the data is readoff
- the start offset of the datalen
- the maximum number of bytes read
java.util.zip.ZipException
- if a ZIP format error has occurred
java.io.IOException
- if an I/O error has occurredpublic int available() throws java.io.IOException
Programs should not count on this method to return the actual number of bytes that could be read without blocking.
available
in class java.io.FilterInputStream
java.io.IOException
- if an I/O error occurs.public long skip(long n) throws java.io.IOException
skip
in class java.io.FilterInputStream
n
- the number of bytes to skip
java.io.IOException
- if an I/O error has occurred
java.lang.IllegalArgumentException
- if n < 0public long getTotalOut()
public void resetInflater()
public void close() throws java.io.IOException
close
in interface java.io.Closeable
close
in class java.io.FilterInputStream
java.io.IOException
- if an I/O error has occurredprotected void fill() throws java.io.IOException
java.io.IOException
- if an I/O error has occurred
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