org.apache.hadoop.io.compress
Class DecompressorStream
java.lang.Object
java.io.InputStream
org.apache.hadoop.io.compress.CompressionInputStream
org.apache.hadoop.io.compress.DecompressorStream
- All Implemented Interfaces:
- Closeable
- Direct Known Subclasses:
- BlockDecompressorStream
public class DecompressorStream
- extends CompressionInputStream
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
decompressor
protected Decompressor decompressor
buffer
protected byte[] buffer
eof
protected boolean eof
closed
protected boolean closed
DecompressorStream
public DecompressorStream(InputStream in,
Decompressor decompressor,
int bufferSize)
DecompressorStream
public DecompressorStream(InputStream in,
Decompressor decompressor)
DecompressorStream
protected DecompressorStream(InputStream in)
- Allow derived classes to directly set the underlying stream.
- Parameters:
in
- Underlying input stream.
read
public int read()
throws IOException
- Specified by:
read
in class InputStream
- Throws:
IOException
read
public int read(byte[] b,
int off,
int len)
throws IOException
- Description copied from class:
CompressionInputStream
- Read bytes from the stream.
Made abstract to prevent leakage to underlying stream.
- Specified by:
read
in class CompressionInputStream
- Throws:
IOException
decompress
protected int decompress(byte[] b,
int off,
int len)
throws IOException
- Throws:
IOException
getCompressedData
protected int getCompressedData()
throws IOException
- Throws:
IOException
checkStream
protected void checkStream()
throws IOException
- Throws:
IOException
resetState
public void resetState()
throws IOException
- Description copied from class:
CompressionInputStream
- Reset the decompressor to its initial state and discard any buffered data,
as the underlying stream may have been repositioned.
- Specified by:
resetState
in class CompressionInputStream
- Throws:
IOException
skip
public long skip(long n)
throws IOException
- Overrides:
skip
in class InputStream
- Throws:
IOException
available
public int available()
throws IOException
- Overrides:
available
in class InputStream
- Throws:
IOException
close
public void close()
throws IOException
- Specified by:
close
in interface Closeable
- Overrides:
close
in class CompressionInputStream
- Throws:
IOException
markSupported
public boolean markSupported()
- Overrides:
markSupported
in class InputStream
mark
public void mark(int readlimit)
- Overrides:
mark
in class InputStream
reset
public void reset()
throws IOException
- Overrides:
reset
in class InputStream
- Throws:
IOException
Copyright © 2009 The Apache Software Foundation