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 space.arim.libertybans.bootstrap.ProtectedLibrary;
  
  import java.util.Arrays;
  import java.util.Objects;
  import java.util.Set;
  
  public final class LibraryProtection implements ClassLoadGuard {
  
      private static final ClassNotFoundException FAILED_FILTER;
  
      static {
          FAILED_FILTER = new ClassNotFoundException(
                  "Class is filtered from the eyes of child classloaders");
      }
  
      private final ProtectedLibrary[] protectedLibraries;
      private final ClassLoadGuard next;
  
      public LibraryProtection(Set<ProtectedLibrary> protectedLibraries, ClassLoadGuard next) {
          this.protectedLibraries = protectedLibraries.toArray(new ProtectedLibrary[] {});
          this.next = Objects.requireNonNull(next);
      }
  
      @Override
      public Class<?> delegateLoadClass(String className, boolean resolve, Destination destination) throws ClassNotFoundException {
          for (ProtectedLibrary protectedLibrary : protectedLibraries) {
              if (className.startsWith(protectedLibrary.basePackage())) {
                  throw FAILED_FILTER;
              }
          }
          return next.delegateLoadClass(className, resolve, destination);
      }
  
      @Override
      public String toString() {
          return "LibraryProtection{" +
                  "protectedLibraries=" + Arrays.toString(protectedLibraries) +
                  ", next=" + next +
                  '}';
      }
  }
  