protected String stripQuotes(String rvalue){
  StringBuffer buf=new StringBuffer();
  int rvlen=rvalue.length();
  for (int i=0; i < rvlen; i++) {
    char ch=rvalue.charAt(i);
    if (ch != '\'' && ch != '\"') {
      buf.append(ch);
    }
  }
  return buf.toString();
}

protected String stripQuotes ( String rvalue ) { StringBuffer buf = new StringBuffer ( ) ; int rvlen = rvalue . length ( ) ; for ( int i = 0 ; i < rvlen ; i ++ ) { char ch = rvalue . charAt ( i ) ; if ( ch != '\'' && ch != '\"' ) { buf . append ( ch ) ; } } return buf . toString ( ) ; }
utility method for subclasses to determine strip single / double quotes from a string
