Package enterprises.iwakura.amber.impl

Class ChecksumValidatorImpl

java.lang.Object

enterprises.iwakura.amber.impl.ChecksumValidatorImpl

All Implemented Interfaces:

ChecksumValidator

public class ChecksumValidatorImpl
extends Object
implements ChecksumValidator

Default implementation of ChecksumValidator. Uses MessageDigest to compute the checksum of a file.

Constructor Summary

Constructors

Constructor	Description
ChecksumValidatorImpl()

Method Summary

Modifier and Type	Method	Description
protected String	calculateChecksum(ChecksumType checksumType, Path file)	Calculate the checksum of a file using the specified checksum type.
ChecksumResult	validate(ChecksumType checksumType, String checksum, Path file)	Validates the checksum of the given file.

Methods inherited from class java.lang.Object

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

Constructor Details

ChecksumValidatorImpl

public ChecksumValidatorImpl()

Method Details

validate

public ChecksumResult validate(ChecksumType checksumType,
 String checksum,
 Path file)
                        throws IOException

Description copied from interface: ChecksumValidator

Validates the checksum of the given file. On unsupported algorithms, this method returns a ChecksumResult.UNSUPPORTED

Specified by:

validate in interface ChecksumValidator

Parameters:

checksumType - the type of checksum (e.g., MD5, SHA-1, SHA-256)

checksum - the expected checksum value

file - the file to validate

Returns:

the result of the checksum validation

Throws:

IOException - if an I/O error occurs

calculateChecksum

protected String calculateChecksum(ChecksumType checksumType,
 Path file)
                            throws IOException,
NoSuchAlgorithmException

Calculate the checksum of a file using the specified checksum type.

Parameters:

checksumType - the type of checksum to calculate

file - the file to calculate the checksum for

Returns:

the calculated checksum as a hexadecimal string

Throws:

IOException - if an I/O error occurs

NoSuchAlgorithmException - if the specified checksum type is not supported