if( 0 == prefix.length() || "".equals( prefix ) )
if( 0 == prefix.length() || ".".equals( prefix ) )
    private String[] prefixPatterns( final String prefix,                                     final String[] patterns )    {        if( 0 == prefix.length() || "".equals( prefix ) )        {            return patterns;        }        final String[] newPatterns = new String[ patterns.length ];        for( int i = 0; i < newPatterns.length; i++ )        {            newPatterns[ i ] = prefix + "/" + patterns[ i ];        }        return newPatterns;    }