code: public String getURL()
      {
          final StringBuilder url = new StringBuilder().append( SCHEMA ).append( SEPARATOR_SCHEME ).append( m_path );
          if( m_filter != null )
          {
              url.append( SEPARATOR_FILTER ).append( m_filter );
          }
          url.append( getOptions( this ) );
          return url.toString();
      }
docs: {@inheritDoc}