Package io.github.rajendarreddyj.tomcat.download

Class ChecksumValidator

java.lang.Object

io.github.rajendarreddyj.tomcat.download.ChecksumValidator

public class ChecksumValidator
extends Object

Validates file integrity using SHA-512 checksums.

Since:

1.0.0

Author:

rajendarreddyj

Constructor Summary

Constructors

Constructor	Description
ChecksumValidator()

Method Summary

Modifier and Type	Method	Description
String	calculateChecksum(Path file)	Calculates SHA-512 checksum of a file.
boolean	validate(Path file, String checksumUrl)	Validates file checksum against remote SHA-512 file.

Methods inherited from class java.lang.Object

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

Constructor Details

ChecksumValidator

public ChecksumValidator()

Method Details

validate

public boolean validate(Path file,
 String checksumUrl)
                 throws IOException

Validates file checksum against remote SHA-512 file.

Parameters:

file - The file to validate

checksumUrl - URL to the .sha512 checksum file

Returns:

true if checksum matches, false otherwise

Throws:

IOException - if checksum cannot be read or calculated

calculateChecksum

public String calculateChecksum(Path file)
                         throws IOException

Calculates SHA-512 checksum of a file.

Parameters:

file - the file to calculate checksum for

Returns:

the hex-encoded checksum

Throws:

IOException - if file cannot be read or algorithm unavailable