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)	Generate a checksum for the file using SHA1

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

Generate a checksum for the file using SHA1

Specified by:

getFileChecksum in interface IFileChecksumGenerator

Parameters:

file - File to generate the checksum for

Returns:

file checksum

Throws:

IOException - on IO errors