public SpiderHtmlParser(SpiderParam params){
  super();
  if (params == null) {
    throw new IllegalArgumentException("Parameter params must not be null.");
  }
  this.params=params;
}

public SpiderHtmlParser ( SpiderParam params ) { super ( ) ; if ( params == null ) { throw new IllegalArgumentException ( "Parameter params must not be null." ) ; } this . params = params ; }
instantiates a new spider html parser .
