Package com.inductiveautomation.ignition.common.util

Class DigestBuilder

java.lang.Object

com.inductiveautomation.ignition.common.util.DigestBuilder

public class DigestBuilder
extends Object

Method Summary

Modifier and Type	Method	Description
byte[]	build()	Compute and return the digest.
String	buildHexString()	Compute and return the digest as a lower-case hex-encoded String.
static DigestBuilder	custom(String algorithm)
static DigestBuilder	md5()
DigestBuilder	reset()	Manually reset the underlying MessageDigest.
static DigestBuilder	sha1()
static DigestBuilder	sha256()
DigestBuilder	update(boolean input)	Update the digest input with input.
DigestBuilder	update(byte input)	Update the digest input with input.
DigestBuilder	update(byte[] input)	Update the digest input with the bytes from the big-endian representation of each element of input.
DigestBuilder	update(double input)	Update the digest input with the bytes from the big-endian representation of input's raw long bits.
DigestBuilder	update(double[] input)	Update the digest input with the bytes from the big-endian representation of each element of input.
DigestBuilder	update(float input)	Update the digest input with the bytes from the big-endian representation of input's raw int bits.
DigestBuilder	update(float[] input)	Update the digest input with the bytes from the big-endian representation of each element of input.
DigestBuilder	update(int input)	Update the digest input with the bytes from the big-endian representation of input.
DigestBuilder	update(int[] input)	Update the digest input with the bytes from the big-endian representation of each element of input.
DigestBuilder	update(long input)	Update the digest input with the bytes from the big-endian representation of input.
DigestBuilder	update(long[] input)	Update the digest input with the bytes from the big-endian representation of each element of input.
DigestBuilder	update(short input)	Update the digest input with the bytes from the big-endian representation of input.
DigestBuilder	update(short[] input)	Update the digest input with the bytes from the big-endian representation of each element of input.
DigestBuilder	update(String input)	Update the digest input with bytes from input in StandardCharsets.UTF_8 encoding.
DigestBuilder	update(String input, Charset charset)	Update the digest input with bytes from input in charset encoding.

Methods inherited from class java.lang.Object

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

Method Details

md5

public static DigestBuilder md5()

Returns:

a DigestBuilder that uses the MD5 algorithm.

sha1

public static DigestBuilder sha1()

Returns:

a DigestBuilder that uses the SHA-1 algorithm.

sha256

public static DigestBuilder sha256()

Returns:

a DigestBuilder that uses the SHA-256 algorithm.

custom

public static DigestBuilder custom(String algorithm)
                            throws NoSuchAlgorithmException

Parameters:

algorithm - the message digest algorithm.

Returns:

a DigestBuilder that uses algorithm.

Throws:

NoSuchAlgorithmException - if no message digest for algorithm is available.

update

public DigestBuilder update(String input)

Update the digest input with bytes from input in StandardCharsets.UTF_8 encoding.

Parameters:

input - the input String.

Returns:

this DigestBuilder.

update

public DigestBuilder update(String input,
 Charset charset)

Update the digest input with bytes from input in charset encoding.

Parameters:

input - the input String.

charset - the encoding Charset.

Returns:

this DigestBuilder.

update

public DigestBuilder update(boolean input)

Update the digest input with input.

If true, a byte equal to 1, otherwise 0.

Parameters:

input - the input boolean.

Returns:

this DigestBuilder.

update

public DigestBuilder update(byte input)

Update the digest input with input.

Parameters:

input - the inpute byte.

Returns:

this DigestBuilder.

update

public DigestBuilder update(short input)

Update the digest input with the bytes from the big-endian representation of input.

Parameters:

input - the input short.

Returns:

this DigestBuilder.

update

public DigestBuilder update(int input)

Update the digest input with the bytes from the big-endian representation of input.

Parameters:

input - the input int.

Returns:

this DigestBuilder.

update

public DigestBuilder update(long input)

Update the digest input with the bytes from the big-endian representation of input.

Parameters:

input - the input long.

Returns:

this DigestBuilder.

update

public DigestBuilder update(float input)

Update the digest input with the bytes from the big-endian representation of input's raw int bits.

Parameters:

input - the input float.

Returns:

this DigestBuilder.

update

public DigestBuilder update(double input)

Update the digest input with the bytes from the big-endian representation of input's raw long bits.

Parameters:

input - the input double.

Returns:

this DigestBuilder.

update

public DigestBuilder update(byte[] input)

Update the digest input with the bytes from the big-endian representation of each element of input.

Parameters:

input - the input array.

Returns:

this DigestBuilder.

update

public DigestBuilder update(short[] input)

Update the digest input with the bytes from the big-endian representation of each element of input.

Parameters:

input - the input array.

Returns:

this DigestBuilder.

update

public DigestBuilder update(int[] input)

Update the digest input with the bytes from the big-endian representation of each element of input.

Parameters:

input - the input array.

Returns:

this DigestBuilder.

update

public DigestBuilder update(long[] input)

Update the digest input with the bytes from the big-endian representation of each element of input.

Parameters:

input - the input array.

Returns:

this DigestBuilder.

update

public DigestBuilder update(float[] input)

Update the digest input with the bytes from the big-endian representation of each element of input.

Parameters:

input - the input array.

Returns:

this DigestBuilder.

update

public DigestBuilder update(double[] input)

Update the digest input with the bytes from the big-endian representation of each element of input.

Parameters:

input - the input array.

Returns:

this DigestBuilder.

reset

public DigestBuilder reset()

Manually reset the underlying MessageDigest.

This is done automatically after a call to build() or buildHexString().

Returns:

this DigestBuilder.

build

public byte[] build()

Compute and return the digest.

The underlying MessageDigest is reset and this builder can be re-used.

Returns:

the computed digest.

buildHexString

public String buildHexString()

Compute and return the digest as a lower-case hex-encoded String.

The underlying MessageDigest is reset and this builder can be re-used.

Returns:

the computed digest as a lower-case hex-encoded String.