com.ibm.cloud.objectstorage.util

Class CRC32ChecksumCalculatingInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

com.ibm.cloud.objectstorage.internal.SdkFilterInputStream

com.ibm.cloud.objectstorage.util.CRC32ChecksumCalculatingInputStream

All Implemented Interfaces:

MetricAware, Releasable, Closeable, AutoCloseable

public class CRC32ChecksumCalculatingInputStream
extends SdkFilterInputStream

Simple InputStream wrapper that examines the wrapped stream's contents as they are read and calculates and CRC32 checksum.

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
CRC32ChecksumCalculatingInputStream(InputStream in)

Method Summary

Modifier and Type	Method and Description
long	getCRC32Checksum()
int	read()
int	read(byte[] b, int off, int len)
void	reset() Resets the wrapped input stream and the CRC32 computation.

Methods inherited from class com.ibm.cloud.objectstorage.internal.SdkFilterInputStream

abort, abortIfNeeded, available, close, getDelegateStream, isAborted, isMetricActivated, mark, markSupported, release, skip

Methods inherited from class java.io.FilterInputStream

read

Methods inherited from class java.lang.Object

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

Constructor Detail

CRC32ChecksumCalculatingInputStream

public CRC32ChecksumCalculatingInputStream(InputStream in)

Method Detail

getCRC32Checksum

public long getCRC32Checksum()

reset

public void reset()
           throws IOException

Resets the wrapped input stream and the CRC32 computation.

Overrides:

reset in class SdkFilterInputStream

Throws:

IOException

See Also:

InputStream.reset()

read

public int read()
         throws IOException

Overrides:

read in class SdkFilterInputStream

Throws:

IOException

See Also:

InputStream.read()

read

public int read(byte[] b,
                int off,
                int len)
         throws IOException

Overrides:

read in class SdkFilterInputStream

Throws:

IOException

See Also:

InputStream.read(byte[], int, int)