content: /*
   * LibertyBans
   * Copyright © 2025 Anand Beh
   *
   * LibertyBans 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.
   *
   * LibertyBans 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 Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with LibertyBans. If not, see <https://www.gnu.org/licenses/>
   * and navigate to version 3 of the GNU Affero General Public License.
   */
  
  package space.arim.libertybans.bootstrap.classload;
  
  import java.util.Objects;
  
  public final class GuardedClassLoader extends ClassLoader {
  
      private static final ClassNotFoundException DOES_NOT_LOAD_CLASSES;
  
      static {
          ClassLoader.registerAsParallelCapable();
          DOES_NOT_LOAD_CLASSES = new ClassNotFoundException(
                  GuardedClassLoader.class.getName() + " does not itself load classes"
          );
      }
  
      private final ClassLoadGuard guard;
  
      public GuardedClassLoader(ClassLoader parent, ClassLoadGuard guard) {
          super(parent);
          this.guard = Objects.requireNonNull(guard);
      }
  
      @Override
      protected Class<?> loadClass(String className, boolean resolve) throws ClassNotFoundException {
          return guard.delegateLoadClass(className, resolve, super::loadClass);
      }
  
      @Override
      protected Class<?> findClass(String className) throws ClassNotFoundException {
          throw DOES_NOT_LOAD_CLASSES;
      }
  
      @Override
      public String toString() {
          return getClass().getSimpleName() + '{' +
                  "guard=" + guard +
                  ", parent=" + getParent() +
                  '}';
      }
  }
  