package org.apache.maven.surefire.booter;
   
   /*
    * 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
   *
   *     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.
   */
  
  import javax.annotation.Nonnull;
  
  import static org.apache.maven.surefire.booter.Classpath.emptyClasspath;
  import static org.apache.maven.surefire.booter.Classpath.join;
  
  /**
   * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a>
   * @since 2.21.0.Jigsaw
   */
  public abstract class AbstractPathConfiguration
  {
      public static final String CHILD_DELEGATION = "childDelegation";
  
      public static final String ENABLE_ASSERTIONS = "enableAssertions";
  
      public static final String CLASSPATH = "classPathUrl.";
  
      public static final String SUREFIRE_CLASSPATH = "surefireClassPathUrl.";
  
      private final Classpath surefireClasspathUrls;
  
      /**
       * Whether to enable assertions or not
       * (can be affected by the fork arguments, and the ability to do so based on the JVM).
       */
      private final boolean enableAssertions;
  
      // todo: @deprecated because the IsolatedClassLoader is really isolated - no parent.
      private final boolean childDelegation;
  
      protected AbstractPathConfiguration( @Nonnull Classpath surefireClasspathUrls,
                                           boolean enableAssertions, boolean childDelegation )
      {
          if ( isClassPathConfig() == isModularPathConfig() )
          {
              throw new IllegalStateException( "modular path and class path should be exclusive" );
          }
          this.surefireClasspathUrls = surefireClasspathUrls;
          this.enableAssertions = enableAssertions;
          this.childDelegation = childDelegation;
      }
  
      public abstract Classpath getTestClasspath();
  
      /**
       * Must be exclusive with {@link #isClassPathConfig()}.
       *
       * @return {@code true} if <tt>this</tt> is {@link ModularClasspathConfiguration}.
       */
      public abstract boolean isModularPathConfig();
  
      /**
       * Must be exclusive with {@link #isModularPathConfig()}.
       *
       * @return {@code true} if <tt>this</tt> is {@link ClasspathConfiguration}.
       */
      public abstract boolean isClassPathConfig();
  
      protected Classpath getInprocClasspath()
      {
          return emptyClasspath();
      }
  
      public <T extends AbstractPathConfiguration> T toRealPath( Class<T> type )
      {
          if ( isClassPathConfig() && type == ClasspathConfiguration.class
                  || isModularPathConfig() && type == ModularClasspathConfiguration.class )
          {
              return type.cast( this );
          }
          throw new IllegalStateException( "no target matched " + type );
      }
  
      public ClassLoader createMergedClassLoader()
              throws SurefireExecutionException
      {
          return join( getInprocClasspath(), getTestClasspath() )
                  .createClassLoader( isChildDelegation(), isEnableAssertions(), "test" );
     }
 
     public Classpath getProviderClasspath()
     {
         return surefireClasspathUrls;
     }
 
     public boolean isEnableAssertions()
     {
         return enableAssertions;
     }
 
     @Deprecated
     public boolean isChildDelegation()
     {
         return childDelegation;
     }
 }