org.apache.jcp.xml.dsig.internal
Class DigesterOutputStream

java.lang.Object
  java.io.OutputStream
      org.apache.jcp.xml.dsig.internal.DigesterOutputStream

All Implemented Interfaces:

Closeable, Flushable

public class DigesterOutputStream
extends OutputStream

This class has been modified slightly to use java.security.MessageDigest objects as input, rather than org.apache.xml.security.algorithms.MessageDigestAlgorithm objects. It also optionally caches the input bytes.

Author:

raul, Sean Mullan

Constructor Summary

DigesterOutputStream(MessageDigest md)
Creates a DigesterOutputStream.

DigesterOutputStream(MessageDigest md, boolean buffer)
Creates a DigesterOutputStream.

Method Summary

void	close()
byte[]	getDigestValue()
InputStream	getInputStream()
void	write(byte[] input, int offset, int len)
void	write(int input)

Methods inherited from class java.io.OutputStream

flush, write

Methods inherited from class java.lang.Object

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

Constructor Detail

DigesterOutputStream

public DigesterOutputStream(MessageDigest md)

Creates a DigesterOutputStream.

Parameters:

md - the MessageDigest

DigesterOutputStream

public DigesterOutputStream(MessageDigest md,
                            boolean buffer)

Creates a DigesterOutputStream.

Parameters:

md - the MessageDigest

buffer - if true, caches the input bytes

Method Detail

write

public void write(int input)

Specified by:

write in class OutputStream

write

public void write(byte[] input,
                  int offset,
                  int len)

Overrides:

write in class OutputStream

getDigestValue

public byte[] getDigestValue()

Returns:

the digest value

getInputStream

public InputStream getInputStream()

Returns:

an input stream containing the cached bytes, or null if not cached

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException