How to use org.apache.archiva.common.utils

public String getRelativePath()
{
  return PathUtil.getRelative( this.baseDir.getAbsolutePath(), this.toPath() );
}

/**
 * TODO: Remove in favor of using FileUtils directly.
 */
protected void writeStringToFile( Path file, String content )
  throws IOException
{
  org.apache.archiva.common.utils.FileUtils.writeStringToFile( file, Charset.defaultCharset(), content );
}

@Override
public org.codehaus.plexus.logging.Logger getChildLogger( String name )
{
  return new Slf4JPlexusLogger( log.getName() + "." + name );
}

public ArchivaArtifact( ArchivaArtifactModel artifactModel )
{
  this.model = artifactModel;
  model.setSnapshot( VersionUtil.isSnapshot( model.getVersion() ) );
  this.baseVersion = VersionUtil.getBaseVersion( model.getVersion() );
}

/**
 * Given a basedir and a child file, return the relative path to the child.
 *
 * @param basedir the basedir.
 * @param file    the file to get the relative path for.
 * @return the relative path to the child. (NOTE: this path will NOT start with a {@link File#separator} character)
 */
public static String getRelative( String basedir, File file )
{
  return getRelative( basedir, file.getAbsolutePath() );
}

private Path getIndexPath( ArchivaIndexingContext ctx )
{
  return PathUtil.getPathFromUri( ctx.getPath( ) );
}

public static String getDuration( long ms1, long ms2 )
{
  return getDuration( new Date( ms1 ), new Date( ms2 ) );
}

  public void setBaseDir( String repoDir )
  {
    setBaseDir( new File( repoDir ) );
  }
}

public ArchivaArtifact( ArchivaArtifactModel artifactModel )
{
  this.model = artifactModel;
  model.setSnapshot( VersionUtil.isSnapshot( model.getVersion() ) );
  this.baseVersion = VersionUtil.getBaseVersion( model.getVersion() );
}

/**
 * Given a basedir and a child file, return the relative path to the child.
 *
 * @param basedir the basedir.
 * @param child   the child path (can be a full path)
 * @return the relative path to the child. (NOTE: this path will NOT start with a file separator character)
 */
public static String getRelative( String basedir, String child )
{
  return getRelative(basedir, Paths.get(child));
}

public static String getDuration( long duration )
{
  return getDuration( new Date( 0 ), new Date( duration ) );
}

private void writeChecksumFile( Path checksumFile, Charset encoding, String checksumHex )
{
  FileUtils.writeStringToFile( checksumFile, FILE_ENCODING, checksumHex + "  " + referenceFile.getFileName( ).toString( ) );
}

@Override
public org.codehaus.plexus.logging.Logger getChildLogger( String name )
{
  return new Slf4JPlexusLogger( log.getName() + "." + name );
}

  public void setBaseDir( String repoDir )
  {
    setBaseDir( new File( repoDir ) );
  }
}

public BaseFile( File repoDir, File pathFile )
{
  this( repoDir, PathUtil.getRelative( repoDir.getAbsolutePath(), pathFile ) );
}

public static String getDuration( long duration )
{
  return getDuration( new Date( 0 ), new Date( duration ) );
}

public String getRelativePath()
{
  return PathUtil.getRelative( this.baseDir.getAbsolutePath(), this );
}

public static String getDuration( long ms1, long ms2 )
{
  return getDuration( new Date( ms1 ), new Date( ms2 ) );
}

public static String getRelative(String basedir, Path file) {
  return getRelative(Paths.get(basedir), file);
}

public BaseFile( File repoDir, File pathFile )
{
  this( repoDir, PathUtil.getRelative(repoDir.getAbsolutePath(), pathFile.toPath() ) );
}