protected void parsePositions(String prefix,Properties props){
  int index=1;
  prefix=PropUtils.getScopedPropertyPrefix(prefix);
  String entry=props.getProperty(prefix + Integer.toString(index));
  while (entry != null) {
    addPositionChoice(index,entry,prefix,props);
    entry=props.getProperty(prefix + Integer.toString(++index));
  }
}

protected void parsePositions ( String prefix , Properties props ) { int index = 1 ; prefix = PropUtils . getScopedPropertyPrefix ( prefix ) ; String entry = props . getProperty ( prefix + Integer . toString ( index ) ) ; while ( entry != null ) { addPositionChoice ( index , entry , prefix , props ) ; entry = props . getProperty ( prefix + Integer . toString ( ++ index ) ) ; } }
this method reads properties to add choices to this class as options for what values are valid in this position .
