content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF 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 org.apache.tools.ant.taskdefs.optional.junitlauncher.confined;
  
  import org.apache.tools.ant.Task;
  import org.apache.tools.ant.launch.AntMain;
  import org.apache.tools.ant.types.Path;
  import org.apache.tools.ant.util.LoaderUtils;
  
  import java.io.File;
  
  /**
   *
   */
  final class JUnitLauncherClassPathUtil {
  
      private static final String RESOURCE_IN_PLATFORM_ENGINE = "org/junit/platform/engine/TestEngine.class";
      private static final String RESOURCE_IN_PLATFORM_LAUNCHER = "org/junit/platform/launcher/core/LauncherFactory.class";
      private static final String RESOURCE_IN_PLATFORM_COMMON = "org/junit/platform/commons/annotation/Testable.class";
      private static final String RESOURCE_NAME_LAUNCHER_SUPPORT = "org/apache/tools/ant/taskdefs/optional/junitlauncher/LauncherSupport.class";
  
  
      static void addAntRuntimeResourceLocations(final Path path, final ClassLoader classLoader) {
          addResourceLocationToPath(path, classLoader, toResourceName(AntMain.class));
          addResourceLocationToPath(path, classLoader, toResourceName(Task.class));
          addResourceLocationToPath(path, classLoader, RESOURCE_NAME_LAUNCHER_SUPPORT);
      }
  
      static void addLauncherSupportResourceLocation(final Path path, final ClassLoader classLoader) {
          addResourceLocationToPath(path, classLoader, RESOURCE_NAME_LAUNCHER_SUPPORT);
      }
  
      static void addJUnitPlatformResourceLocations(final Path path, final ClassLoader classLoader) {
          // platform-engine
          addResourceLocationToPath(path, classLoader, RESOURCE_IN_PLATFORM_ENGINE);
          // platform-launcher
          addResourceLocationToPath(path, classLoader, RESOURCE_IN_PLATFORM_LAUNCHER);
          // platform-commons
          addResourceLocationToPath(path, classLoader, RESOURCE_IN_PLATFORM_COMMON);
      }
  
      static boolean addResourceLocationToPath(final Path path, final ClassLoader classLoader, final String resource) {
          final File f = LoaderUtils.getResourceSource(classLoader, resource);
          if (f == null) {
              return false;
          }
          path.createPath().setLocation(f);
          return true;
      }
  
      static boolean hasJUnitPlatformResources(final ClassLoader cl) {
          final File f = LoaderUtils.getResourceSource(cl, RESOURCE_IN_PLATFORM_ENGINE);
          return f != null;
      }
  
      private static String toResourceName(final Class klass) {
          final String name = klass.getName();
          return name.replaceAll("\\.", "/") + ".class";
      }
  }
  