org.sentrysoftware.metricshub.engine.common.helpers.JUtils Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of metricshub-engine Show documentation

MetricsHub Monitoring Engine

The newest version!

package org.sentrysoftware.metricshub.engine.common.helpers;

/*-
 * ╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲
 * MetricsHub Engine
 * ჻჻჻჻჻჻
 * Copyright 2023 - 2024 Sentry Software
 * ჻჻჻჻჻჻
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see .
 * ╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱
 */

import java.math.BigInteger;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;

/**
 * Utility class for various Java-related operations.
 */
@Slf4j
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class JUtils {

	/**
	 * Encodes the input string using the SHA-256 algorithm and returns the result in hexadecimal format.
	 *
	 * @param input String to convert
	 * @return the encoded string in hex
	 */
	public static String encodeSha256(final String input) {
		if (input == null) {
			return null;
		}

		try {
			MessageDigest md = MessageDigest.getInstance("SHA-256");

			md.update(input.getBytes(StandardCharsets.UTF_8));
			byte[] digest = md.digest();

			return String.format("%064x", new BigInteger(1, digest));
		} catch (NoSuchAlgorithmException e) {
			log.error("Error while encoding SHA-256: {}", e.getMessage());
			return null;
		}
	}
}