package org.apache.maven.plugin.gpg;
   
   import org.apache.maven.artifact.Artifact;
   import org.apache.maven.artifact.handler.ArtifactHandler;
   import org.apache.maven.artifact.metadata.ArtifactMetadata;
   import org.apache.maven.artifact.repository.ArtifactRepository;
   import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
   import org.apache.maven.artifact.versioning.ArtifactVersion;
   import org.apache.maven.artifact.versioning.OverConstrainedVersionException;
  import org.apache.maven.artifact.versioning.VersionRange;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Iterator;
  import java.util.List;
  
  /**
   * A wrapper class for attached artifacts which have a GPG signature. Needed as attached artifacts in general do not
   * have metadata.
   */
  public class AttachedSignedArtifact
      implements Artifact
  {
      private final Artifact delegate;
  
      private final AscArtifactMetadata signature;
  
      public AttachedSignedArtifact( Artifact delegate, AscArtifactMetadata signature )
      {
          this.delegate = delegate;
          this.signature = signature;
      }
  
      public void setArtifactId( String artifactId )
      {
          delegate.setArtifactId( artifactId );
      }
  
      public List getAvailableVersions()
      {
          return delegate.getAvailableVersions();
      }
  
      public void setAvailableVersions( List availableVersions )
      {
          delegate.setAvailableVersions( availableVersions );
      }
  
      public String getBaseVersion()
      {
          return delegate.getBaseVersion();
      }
  
      public void setBaseVersion( String baseVersion )
      {
          delegate.setBaseVersion( baseVersion );
      }
  
      public String getDownloadUrl()
      {
          return delegate.getDownloadUrl();
      }
  
      public void setDownloadUrl( String downloadUrl )
      {
          delegate.setDownloadUrl( downloadUrl );
      }
  
      public void setGroupId( String groupId )
      {
          delegate.setGroupId( groupId );
      }
  
      public ArtifactRepository getRepository()
      {
          return delegate.getRepository();
      }
  
      public void setRepository( ArtifactRepository repository )
      {
          delegate.setRepository( repository );
      }
  
      public String getScope()
      {
          return delegate.getScope();
      }
  
      public void setScope( String scope )
      {
          delegate.setScope( scope );
      }
  
      public String getVersion()
      {
          return delegate.getVersion();
      }
  
     public void setVersion( String version )
     {
         delegate.setVersion( version );
     }
 
     public VersionRange getVersionRange()
     {
         return delegate.getVersionRange();
     }
 
     public void setVersionRange( VersionRange range )
     {
         delegate.setVersionRange( range );
     }
 
     public boolean isRelease()
     {
         return delegate.isRelease();
     }
 
     public void setRelease( boolean release )
     {
         delegate.setRelease( release );
     }
 
     public boolean isSnapshot()
     {
         return delegate.isSnapshot();
     }
 
     public void addMetadata( ArtifactMetadata metadata )
     {
         delegate.addMetadata( metadata );
     }
 
     public String getClassifier()
     {
         return delegate.getClassifier();
     }
 
     public boolean hasClassifier()
     {
         return delegate.hasClassifier();
     }
 
     public String getGroupId()
     {
         return delegate.getGroupId();
     }
 
     public String getArtifactId()
     {
         return delegate.getArtifactId();
     }
 
     public String getType()
     {
         return delegate.getType();
     }
 
     public void setFile( File file )
     {
         delegate.setFile( file );
     }
 
     public File getFile()
     {
         return delegate.getFile();
     }
 
     public String getId()
     {
         return delegate.getId();
     }
 
     public String getDependencyConflictId()
     {
         return delegate.getDependencyConflictId();
     }
 
     public String toString()
     {
         return delegate.toString();
     }
 
     public int hashCode()
     {
         return delegate.hashCode();
     }
 
     public boolean equals( Object o )
     {
         return delegate.equals( o );
     }
 
     public int compareTo( Object o )
     {
         return delegate.compareTo( o );
     }
 
     public void updateVersion( String version, ArtifactRepository localRepository )
     {
         delegate.updateVersion( version, localRepository );
     }
 
     public ArtifactFilter getDependencyFilter()
     {
         return delegate.getDependencyFilter();
     }
 
     public void setDependencyFilter( ArtifactFilter artifactFilter )
     {
         delegate.setDependencyFilter( artifactFilter );
     }
 
     public ArtifactHandler getArtifactHandler()
     {
         return delegate.getArtifactHandler();
     }
 
     public List getDependencyTrail()
     {
         return delegate.getDependencyTrail();
     }
 
     public void setDependencyTrail( List dependencyTrail )
     {
         delegate.setDependencyTrail( dependencyTrail );
     }
 
     public void selectVersion( String version )
     {
         delegate.selectVersion( version );
     }
 
     public void setResolved( boolean resolved )
     {
         delegate.setResolved( resolved );
     }
 
     public boolean isResolved()
     {
         return delegate.isResolved();
     }
 
     public void setResolvedVersion( String version )
     {
         delegate.setResolvedVersion( version );
     }
 
     public void setArtifactHandler( ArtifactHandler artifactHandler )
     {
         delegate.setArtifactHandler( artifactHandler );
     }
 
     public boolean isOptional()
     {
         return delegate.isOptional();
     }
 
     public ArtifactVersion getSelectedVersion()
         throws OverConstrainedVersionException
     {
         return delegate.getSelectedVersion();
     }
 
     public boolean isSelectedVersionKnown()
         throws OverConstrainedVersionException
     {
         return delegate.isSelectedVersionKnown();
     }
 
     public void setOptional( boolean optional )
     {
         delegate.setOptional( optional );
     }
 
     public Collection getMetadataList()
     {
         List result = new ArrayList( delegate.getMetadataList() );
         boolean alreadySigned = false;
         for ( Iterator i = result.iterator(); i.hasNext() && !alreadySigned; )
         {
             ArtifactMetadata metadata = (ArtifactMetadata) i.next();
             alreadySigned = alreadySigned | signature.getKey().equals( metadata.getKey() );
         }
         if ( !alreadySigned )
         {
             result.add( signature );
         }
         return result;
     }
 }