code: protected File getLocalRepoFile( Artifact artifact )
      {
          String path = localRepository.pathOf( artifact );
          return new File( localRepository.getBasedir(), path );
      }
docs: Gets the path of the specified artifact within the local repository. Note that the returned path need not exist
  (yet).
  
  @param artifact The artifact whose local repo path should be determined, must not be <code>null</code>.
  @return The absolute path to the artifact when installed, never <code>null</code>.