package org.apache.maven.plugin.dependency.utils.resolvers;
   
   /* 
    * 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.HashSet;
  import java.util.List;
  import java.util.Set;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.repository.ArtifactRepository;
  import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
  import org.apache.maven.artifact.resolver.ArtifactResolutionException;
  import org.apache.maven.artifact.resolver.ArtifactResolver;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.logging.Log;
  
  /**
   * @author <a href="mailto:brianf@apache.org">Brian Fox</a>
   * @version $Id: DefaultArtifactsResolver.html 937155 2015-01-21 21:53:50Z khmarbaise $
   */
  public class DefaultArtifactsResolver
      implements ArtifactsResolver
  {
      ArtifactResolver resolver;
  
      ArtifactRepository local;
  
      List<ArtifactRepository> remoteRepositories;
  
      boolean stopOnFailure;
  
      public DefaultArtifactsResolver( ArtifactResolver theResolver, ArtifactRepository theLocal,
                                      List<ArtifactRepository> theRemoteRepositories, boolean theStopOnFailure )
      {
          this.resolver = theResolver;
          this.local = theLocal;
          this.remoteRepositories = theRemoteRepositories;
          this.stopOnFailure = theStopOnFailure;
      }
  
      /*
       * (non-Javadoc)
       * 
       * @see org.apache.mojo.dependency.utils.resolvers.ArtifactsResolver#resolve(java.util.Set,
       *      org.apache.maven.plugin.logging.Log)
       */
      public Set<Artifact> resolve( Set<Artifact> artifacts, Log log )
          throws MojoExecutionException
      {
  
          Set<Artifact> resolvedArtifacts = new HashSet<Artifact>();
          for ( Artifact artifact : artifacts )
          {
              try
              {
                  resolver.resolve( artifact, remoteRepositories, local );
                  resolvedArtifacts.add( artifact );
              }
              catch ( ArtifactResolutionException ex )
              {
                  // an error occurred during resolution, log it an continue
                  log.debug( "error resolving: " + artifact.getId() );
                  log.debug( ex );
                  if ( stopOnFailure )
                  {
                      throw new MojoExecutionException( "error resolving: " + artifact.getId(), ex );
                  }
              }
              catch ( ArtifactNotFoundException ex )
              {
                  // not found, log it and continue
                  log.debug( "not found in any repository: " + artifact.getId() );
                  if ( stopOnFailure )
                  {
                      throw new MojoExecutionException( "not found in any repository: " + artifact.getId(), ex );
                  }
              }
          }
          return resolvedArtifacts;
      }
  
  }