Package org.apache.activemq.artemis.utils

Class DeflaterReader

java.lang.Object

java.io.InputStream

org.apache.activemq.artemis.utils.DeflaterReader

All Implemented Interfaces:

Closeable, AutoCloseable

public class DeflaterReader
extends InputStream

A DeflaterReader

The reader takes an inputstream and compress it.

Not for concurrent use.

Constructor Summary

Constructors

Constructor	Description
DeflaterReader(InputStream inData, AtomicLong bytesRead)

Method Summary

Modifier and Type	Method	Description
void	close()
long	getTotalSize()
int	read()
int	read(byte[] buffer, int offset, int len)	Try to fill the buffer with compressed bytes.
void	setLevel(int level)

Methods inherited from class java.io.InputStream

available, mark, markSupported, nullInputStream, read, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DeflaterReader

public DeflaterReader(InputStream inData,
 AtomicLong bytesRead)

Method Details

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] buffer,
 int offset,
 int len)
         throws IOException

Try to fill the buffer with compressed bytes. Except the last effective read, this method always returns with a full buffer of compressed data.

Overrides:

read in class InputStream

Parameters:

buffer - the buffer to fill compressed bytes

Returns:

the number of bytes really filled, -1 indicates end

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException

getTotalSize

public long getTotalSize()

setLevel

public void setLevel(int level)