UniversallyUniqueIdentifierV4GeneratorSecureRandom.java
- /*
- * GovWay - A customizable API Gateway
- * https://govway.org
- *
- * Copyright (c) 2005-2025 Link.it srl (https://link.it).
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3, as published by
- * the Free Software Foundation.
- *
- * 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 General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
- package org.openspcoop2.utils.id;
- import java.util.UUID;
- import com.fasterxml.uuid.Generators;
- import com.fasterxml.uuid.impl.RandomBasedGenerator;
- /**
- * Implementazione tramite com.fasterxml.uuid.impl.RandomBasedGenerator
- *
- * @author Poli Andrea (apoli@link.it)
- * @author $Author$
- * @version $Rev$, $Date$
- */
- public class UniversallyUniqueIdentifierV4GeneratorSecureRandom extends AbstractUniversallyUniqueIdentifierGenerator{
- // Version 4: These are generated from random (or pseudo-random) numbers. If you just need to generate a UUID, this is probably what you want.
- // UUIDv4 from reading RFC4122, it looks like that version does NOT eliminate possibility of collisions.
- // It is just a random number generator. If that is true, than you have a very GOOD chance of two machines in the world eventually creating the same "UUID"v4
- // (quotes because there isn't a mechanism for guaranteeing U.niversal U.niqueness).
- // Generators are fully thread-safe, so a single instance may be shared among multiple threads.
- private RandomBasedGenerator uuidv4 = Generators.randomBasedGenerator(new java.security.SecureRandom());
-
- @Override
- protected UUID generateUUID() {
- return this.uuidv4.generate();
- }
- }