package org.apache.maven.plugin.surefire;
   
   /*
    * 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 java.util.ArrayList;
  import java.util.Collection;
  import java.util.Set;
  import java.util.concurrent.ConcurrentHashMap;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.surefire.booter.Classpath;
  
  import javax.annotation.Nonnull;
  
  /**
   * @author Kristian Rosenvold
   */
  public class ClasspathCache
  {
      private static final ConcurrentHashMap<String, Classpath> CLASSPATHS =
          new ConcurrentHashMap<>( 4 );
  
      public static Classpath getCachedClassPath( @Nonnull String artifactId )
      {
          return CLASSPATHS.get( artifactId );
      }
  
      public static void setCachedClasspath( @Nonnull String key, @Nonnull Classpath classpath )
      {
          CLASSPATHS.put( key, classpath );
      }
  
      public static Classpath setCachedClasspath( @Nonnull String key, @Nonnull Set<Artifact> artifacts )
      {
          Collection<String> files = new ArrayList<>();
          for ( Artifact artifact : artifacts )
          {
              files.add( artifact.getFile().getAbsolutePath() );
          }
          Classpath classpath = new Classpath( files );
          setCachedClasspath( key, classpath );
          return classpath;
      }
  }