gs.hitchin.hitchfs
Class MessageDigestOutputStream

java.lang.Object
  java.io.OutputStream
      gs.hitchin.hitchfs.MessageDigestOutputStream

All Implemented Interfaces:

Closeable, Flushable

public class MessageDigestOutputStream
extends OutputStream

Provides fake output stream that discards output, but records a message digest of the written bytes for verification later.

Constructor Summary

MessageDigestOutputStream(MessageDigest digest)

Method Summary

void	close()
byte[]	getDigest()
String	getDigestAsHex()
boolean	isClosed()
boolean	isEqual(byte[] expected)
static MessageDigestOutputStream	md2()
static MessageDigestOutputStream	md5()
static MessageDigestOutputStream	output(String algo)
MessageDigestOutputStream	setOutput(OutputStream output)
static MessageDigestOutputStream	sha1()
static MessageDigestOutputStream	sha256()
static MessageDigestOutputStream	sha384()
static MessageDigestOutputStream	sha512()
void	write(int b)

Methods inherited from class java.io.OutputStream

flush, write, write

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageDigestOutputStream

public MessageDigestOutputStream(MessageDigest digest)

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException

getDigest

public byte[] getDigest()

getDigestAsHex

public String getDigestAsHex()

isClosed

public boolean isClosed()

isEqual

public boolean isEqual(byte[] expected)

md2

public static MessageDigestOutputStream md2()

md5

public static MessageDigestOutputStream md5()

output

public static MessageDigestOutputStream output(String algo)

setOutput

public MessageDigestOutputStream setOutput(OutputStream output)

sha1

public static MessageDigestOutputStream sha1()

sha256

public static MessageDigestOutputStream sha256()

sha384

public static MessageDigestOutputStream sha384()

sha512

public static MessageDigestOutputStream sha512()

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException