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   /*
    * Copyright 2021 The Netty Project
    *
    * The Netty Project licenses this file to you 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:
    *
    *   https://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 io.netty.util.internal;
  
  /**
   * Utility which ensures that classes are loaded by the {@link ClassLoader}.
   */
  public final class ClassInitializerUtil {
  
      private ClassInitializerUtil() { }
  
      /**
       * Preload the given classes and so ensure the {@link ClassLoader} has these loaded after this method call.
       *
       * @param loadingClass      the {@link Class} that wants to load the classes.
       * @param classes           the classes to load.
       */
      public static void tryLoadClasses(Class<?> loadingClass, Class<?>... classes) {
          ClassLoader loader = PlatformDependent.getClassLoader(loadingClass);
          for (Class<?> clazz: classes) {
              tryLoadClass(loader, clazz.getName());
          }
      }
  
      private static void tryLoadClass(ClassLoader classLoader, String className) {
          try {
              // Load the class and also ensure we init it which means its linked etc.
              Class.forName(className, true, classLoader);
          } catch (ClassNotFoundException ignore) {
              // Ignore
          } catch (SecurityException ignore) {
              // Ignore
          }
      }
  }