de.gematik.bbriccs.utils.SingletonUtil Maven / Gradle / Ivy

Go to download
/*
 * Copyright 2024 gematik GmbH
 *
 * 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 de.gematik.bbriccs.utils;

import lombok.SneakyThrows;
import lombok.val;

public class SingletonUtil {

  private SingletonUtil() {
    throw new IllegalAccessError("Utility class: don't use the constructor");
  }

  public static void resetSingleton(Class clazz) {
    resetSingleton(clazz, "instance");
  }

  @SneakyThrows
  @SuppressWarnings("java:S3011")
  public static void resetSingleton(Class clazz, String fieldName) {
    val instance = clazz.getDeclaredField(fieldName);
    instance.setAccessible(true);
    instance.set(null, null);
  }
}