org.neuclear.commons.crypto.channels
Class DigestChannel

java.lang.Object
  org.neuclear.commons.crypto.channels.AbstractCryptoChannel
      org.neuclear.commons.crypto.channels.DigestChannel

All Implemented Interfaces:

java.io.Closeable, java.nio.channels.Channel, java.nio.channels.WritableByteChannel

public class DigestChannel
extends AbstractCryptoChannel

WritableByteChannel for producing SHA! Digests from ByteBuffers

Field Summary

Fields inherited from class org.neuclear.commons.crypto.channels.AbstractCryptoChannel

closed

Constructor Summary

DigestChannel()

DigestChannel(java.security.MessageDigest digest)

DigestChannel(java.lang.String alg)

Method Summary

void	close()
byte[]	getDigest() Call this to get the Digest
int	write(java.nio.ByteBuffer buffer)

Methods inherited from class org.neuclear.commons.crypto.channels.AbstractCryptoChannel

isOpen, pipe, pipe, source, write

Methods inherited from class java.lang.Object

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

Constructor Detail

DigestChannel

public DigestChannel()
              throws java.security.NoSuchAlgorithmException,
                     java.io.IOException

Throws:

java.security.NoSuchAlgorithmException

java.io.IOException

DigestChannel

public DigestChannel(java.security.MessageDigest digest)
              throws java.io.IOException

Throws:

java.io.IOException

DigestChannel

public DigestChannel(java.lang.String alg)
              throws java.security.NoSuchAlgorithmException,
                     java.io.IOException

Throws:

java.security.NoSuchAlgorithmException

java.io.IOException

Method Detail

write

public int write(java.nio.ByteBuffer buffer)
          throws java.io.IOException

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.nio.channels.Channel

Overrides:

close in class AbstractCryptoChannel

Throws:

java.io.IOException

getDigest

public byte[] getDigest()
                 throws CryptoException

Call this to get the Digest

Returns:

Throws:

CryptoException