org.apache.hadoop.io.compress
Class DefaultCodec

java.lang.Object
  extended by org.apache.hadoop.io.compress.DefaultCodec
All Implemented Interfaces:
CompressionCodec
Direct Known Subclasses:
GzipCodec

public class DefaultCodec
extends Object
implements CompressionCodec


Nested Class Summary
protected static class DefaultCodec.DefaultCompressionInputStream
           
protected static class DefaultCodec.DefaultCompressionOutputStream
          A bridge that wraps around a DeflaterOutputStream to make it a CompressionOutputStream.
 
Constructor Summary
DefaultCodec()
           
 
Method Summary
 CompressionInputStream createInputStream(InputStream in)
          Create a stream decompressor that will read from the given input stream.
 CompressionOutputStream createOutputStream(OutputStream out)
          Create a stream compressor that will write to the given output stream.
 String getDefaultExtension()
          Get the default filename extension for this kind of compression.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DefaultCodec

public DefaultCodec()
Method Detail

createOutputStream

public CompressionOutputStream createOutputStream(OutputStream out)
                                           throws IOException
Create a stream compressor that will write to the given output stream.

Specified by:
createOutputStream in interface CompressionCodec
Parameters:
out - the location for the final output stream
Returns:
a stream the user can write uncompressed data to
Throws:
IOException

createInputStream

public CompressionInputStream createInputStream(InputStream in)
                                         throws IOException
Create a stream decompressor that will read from the given input stream.

Specified by:
createInputStream in interface CompressionCodec
Parameters:
in - the stream to read compressed bytes from
Returns:
a stream to read uncompressed bytes from
Throws:
IOException

getDefaultExtension

public String getDefaultExtension()
Get the default filename extension for this kind of compression.

Specified by:
getDefaultExtension in interface CompressionCodec
Returns:
the extension including the '.'


Copyright © 2006 The Apache Software Foundation