net.nicoulaj.maven.plugins.checksum.digest

Class MessageDigestFileDigester

java.lang.Object

net.nicoulaj.maven.plugins.checksum.digest.AbstractFileDigester

net.nicoulaj.maven.plugins.checksum.digest.MessageDigestFileDigester

All Implemented Interfaces:

FileDigester

public class MessageDigestFileDigester
extends AbstractFileDigester

An implementation of FileDigester that streams the content of files to a MessageDigest.

Since:

1.0

Author:

Julien Nicoulaud

Field Summary

Fields inherited from class net.nicoulaj.maven.plugins.checksum.digest.AbstractFileDigester

algorithm

Fields inherited from interface net.nicoulaj.maven.plugins.checksum.digest.FileDigester

STREAMING_BUFFER_SIZE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MessageDigestFileDigester(String algorithm) Build a new instance of MessageDigestFileDigester.

Method Summary

Modifier and Type	Method and Description
String	calculate(File file) Calculate a checksum for a file.

Methods inherited from class net.nicoulaj.maven.plugins.checksum.digest.AbstractFileDigester

getAlgorithm, getFileExtension

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageDigestFileDigester

protected MessageDigestFileDigester(String algorithm)
                             throws NoSuchAlgorithmException

Build a new instance of MessageDigestFileDigester.

Parameters:

algorithm - the algorithm used to compute checksum digests.

Throws:

NoSuchAlgorithmException - in case the given is not supported.

Method Detail

calculate

public String calculate(File file)
                 throws DigesterException,
                        NoSuchAlgorithmException

Calculate a checksum for a file.

Parameters:

file - the file to compute the checksum for.

Returns:

the current checksum.

Throws:

DigesterException - if there was a problem computing the hashcode.

NoSuchAlgorithmException - in case the given is not supported.