package org.eclipse.aether.internal.impl;
   
   /*
    * 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.Collections;
  import java.util.List;
  
  import org.eclipse.aether.RepositoryEvent;
  import org.eclipse.aether.RepositoryListener;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * Collects observed repository events for later inspection.
   */
  class RecordingRepositoryListener
      implements RepositoryListener
  {
  
      private List<RepositoryEvent> events = Collections.synchronizedList( new ArrayList<RepositoryEvent>() );
  
      public List<RepositoryEvent> getEvents()
      {
          return events;
      }
  
      public void clear()
      {
          events.clear();
      }
  
      public void artifactDescriptorInvalid( RepositoryEvent event )
      {
          requireNonNull( event, "event cannot be null" );
          events.add( event );
      }
  
      public void artifactDescriptorMissing( RepositoryEvent event )
      {
          requireNonNull( event, "event cannot be null" );
          events.add( event );
      }
  
      public void metadataInvalid( RepositoryEvent event )
      {
          requireNonNull( event, "event cannot be null" );
          events.add( event );
      }
  
      public void artifactResolving( RepositoryEvent event )
      {
          requireNonNull( event, "event cannot be null" );
          events.add( event );
      }
  
      public void artifactResolved( RepositoryEvent event )
      {
          requireNonNull( event, "event cannot be null" );
          events.add( event );
      }
  
      public void artifactDownloading( RepositoryEvent event )
      {
          requireNonNull( event, "event cannot be null" );
          events.add( event );
      }
  
      public void artifactDownloaded( RepositoryEvent event )
      {
          requireNonNull( event, "event cannot be null" );
          events.add( event );
      }
  
      public void metadataDownloaded( RepositoryEvent event )
      {
          requireNonNull( event, "event cannot be null" );
          events.add( event );
      }
  
      public void metadataDownloading( RepositoryEvent event )
      {
         requireNonNull( event, "event cannot be null" );
         events.add( event );
     }
 
     public void metadataResolving( RepositoryEvent event )
     {
         requireNonNull( event, "event cannot be null" );
         events.add( event );
     }
 
     public void metadataResolved( RepositoryEvent event )
     {
         requireNonNull( event, "event cannot be null" );
         events.add( event );
     }
 
     public void artifactInstalling( RepositoryEvent event )
     {
         requireNonNull( event, "event cannot be null" );
         events.add( event );
     }
 
     public void artifactInstalled( RepositoryEvent event )
     {
         requireNonNull( event, "event cannot be null" );
         events.add( event );
     }
 
     public void metadataInstalling( RepositoryEvent event )
     {
         requireNonNull( event, "event cannot be null" );
         events.add( event );
     }
 
     public void metadataInstalled( RepositoryEvent event )
     {
         requireNonNull( event, "event cannot be null" );
         events.add( event );
     }
 
     public void artifactDeploying( RepositoryEvent event )
     {
         requireNonNull( event, "event cannot be null" );
         events.add( event );
     }
 
     public void artifactDeployed( RepositoryEvent event )
     {
         requireNonNull( event, "event cannot be null" );
         events.add( event );
     }
 
     public void metadataDeploying( RepositoryEvent event )
     {
         requireNonNull( event, "event cannot be null" );
         events.add( event );
     }
 
     public void metadataDeployed( RepositoryEvent event )
     {
         requireNonNull( event, "event cannot be null" );
         events.add( event );
     }
 
 }