package org.apache.maven.artifact.repository.metadata;
   
   /*
    * 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 org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.ArtifactUtils;
  import org.apache.maven.artifact.repository.ArtifactRepository;
  import org.apache.maven.artifact.versioning.ArtifactVersion;
  import org.apache.maven.artifact.versioning.Restriction;
  import org.apache.maven.artifact.versioning.VersionRange;
  
  /**
   * Metadata for the artifact directory of the repository.
   *
   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
   */
  public class ArtifactRepositoryMetadata
      extends AbstractRepositoryMetadata
  {
      private Artifact artifact;
  
      public ArtifactRepositoryMetadata( Artifact artifact )
      {
          this( artifact, null );
      }
  
      public ArtifactRepositoryMetadata( Artifact artifact,
                                         Versioning versioning )
      {
          super( createMetadata( artifact, versioning ) );
          this.artifact = artifact;
      }
  
      public boolean storedInGroupDirectory()
      {
          return false;
      }
  
      public boolean storedInArtifactVersionDirectory()
      {
          return false;
      }
  
      public String getGroupId()
      {
          return artifact.getGroupId();
      }
  
      public String getArtifactId()
      {
          return artifact.getArtifactId();
      }
  
      public String getBaseVersion()
      {
          // Don't want the artifact's version in here, as this is stored in the directory above that
          return null;
      }
  
      public Object getKey()
      {
          return "artifact " + artifact.getGroupId() + ":" + artifact.getArtifactId();
      }
  
      public boolean isSnapshot()
      {
          // Don't consider the artifact's version in here, as this is stored in the directory above that
          return false;
      }
  
      public int getNature()
      {
          if ( artifact.getVersion() != null )
          {
              return artifact.isSnapshot() ? SNAPSHOT : RELEASE;
          }
  
          VersionRange range = artifact.getVersionRange();
          if ( range != null )
          {
              for ( Restriction restriction : range.getRestrictions() )
              {
                 if ( isSnapshot( restriction.getLowerBound() ) || isSnapshot( restriction.getUpperBound() ) )
                 {
                     return RELEASE_OR_SNAPSHOT;
                 }
             }
         }
 
         return RELEASE;
     }
 
     private boolean isSnapshot( ArtifactVersion version )
     {
         return version != null && ArtifactUtils.isSnapshot( version.getQualifier() );
     }
 
     public ArtifactRepository getRepository()
     {
         return null;
     }
 
     public void setRepository( ArtifactRepository remoteRepository )
     {
         /*
          * NOTE: Metadata at the g:a level contains a collection of available versions. After merging, we can't tell
          * which repository provides which version so the metadata manager must not restrict the artifact resolution to
          * the repository with the most recent updates.
          */
     }
 
 }