Class JavaSha1ChecksumGenerator

java.lang.Object

org.spdx.utility.verificationcode.JavaSha1ChecksumGenerator

All Implemented Interfaces:

IFileChecksumGenerator

public class JavaSha1ChecksumGenerator
extends Object
implements IFileChecksumGenerator

Java sha1 checksum generator using MessageDigest

Author:

Gary O'Neall

Constructor Summary

Constructors

Constructor	Description
JavaSha1ChecksumGenerator()	Create a SHA1 based checksum generator

Method Summary

Modifier and Type	Method	Description
String	getFileChecksum(File file)

Methods inherited from class java.lang.Object

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

Constructor Details

JavaSha1ChecksumGenerator

public JavaSha1ChecksumGenerator()
                          throws NoSuchAlgorithmException

Create a SHA1 based checksum generator

Throws:

NoSuchAlgorithmException - if the SHA1 algorithm does not exist

Method Details

getFileChecksum

public String getFileChecksum(File file)
                       throws IOException

Specified by:

getFileChecksum in interface IFileChecksumGenerator

Parameters:

file - File to generate the checksum for

Returns:

file checksum

Throws:

IOException - on IO errors