/*
 * JBoss, Home of Professional Open Source
 *
 * Copyright 2024 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.wildfly.security.password.impl;

import java.security.SecureRandom;
import java.util.function.Supplier;

class ThreadLocalSecureRandom implements Supplier<SecureRandom> {
    final ThreadLocal<SecureRandom> localInstance = new ThreadLocal<>();

    public SecureRandom get() {
        if (localInstance.get() == null) {
            localInstance.set(new SecureRandom());
        }
        return localInstance.get();
    }
}
