com.baidubce.util

Class MD5DigestCalculatingInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

com.baidubce.util.MD5DigestCalculatingInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class MD5DigestCalculatingInputStream
extends FilterInputStream

Simple InputStream wrapper that examines the wrapped stream's contents as they are read and calculates and MD5 digest.

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
MD5DigestCalculatingInputStream(InputStream in, long len)

Method Summary

Modifier and Type	Method and Description
byte[]	getMd5Digest()
int	read()
int	read(byte[] b, int off, int len)
void	reset() Resets the wrapped input stream and the in progress message digest.

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

MD5DigestCalculatingInputStream

public MD5DigestCalculatingInputStream(InputStream in,
                                       long len)
                                throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

Method Detail

getMd5Digest

public byte[] getMd5Digest()

reset

public void reset()
           throws IOException

Resets the wrapped input stream and the in progress message digest.

Overrides:

reset in class FilterInputStream

Throws:

IOException

See Also:

InputStream.reset()

read

public int read()
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

See Also:

InputStream.read()

read

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

Overrides:

read in class FilterInputStream

Throws:

IOException

See Also:

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