code: protected void setQueryString(String newValue) throws JspCoreException {
          if (newValue == null) {
              throw new JspCoreException(JspConstants.NullQueryString);
          }
  
          // fix query string i.e remove tabs and special characters
          // convert all whitespace to space
          int len = newValue.length();
          StringBuffer buff = new StringBuffer(len);
          for (int i = 0; i < len; i++) {
              char c = newValue.charAt(i);
              if (Character.isWhitespace(c)) {
                  buff.append(" ");
              } // if
              else {
                  buff.append(c);
              } //else
          } // for
          this.queryString = buff.toString().trim();
      }
docs: This method was created in VisualAge.
  @param newValue java.lang.String