Пример #1
0
  /**
   * Process the start of this tag.
   *
   * @return
   * @exception JspException if a JSP exception has occurred
   * @see javax.servlet.jsp.tagext.Tag#doStartTag()
   */
  public int doStartTag() throws JspException {
    ExpressionEvaluator eval = new ExpressionEvaluator(this, pageContext);

    if (selected != null) {
      selected = eval.evalString("default", selected);
    }

    Locale userLocale = pageContext.getRequest().getLocale();
    List<LabelValue> countries = this.buildCountryList(userLocale);

    if (scope != null) {
      if (scope.equals("page")) {
        pageContext.setAttribute(name, countries);
      } else if (scope.equals("request")) {
        pageContext.getRequest().setAttribute(name, countries);
      } else if (scope.equals("session")) {
        pageContext.getSession().setAttribute(name, countries);
      } else if (scope.equals("application")) {
        pageContext.getServletContext().setAttribute(name, countries);
      } else {
        throw new JspException("Attribute 'scope' must be: page, request, session or application");
      }
    } else {
      StringBuffer sb = new StringBuffer();
      sb.append("<select name=\"" + name + "\" id=\"" + name + "\">\n");

      if (prompt != null) {
        sb.append("    <option value=\"\" selected=\"selected\">");
        sb.append(eval.evalString("prompt", prompt) + "</option>\n");
      }

      for (LabelValue country : countries) {
        sb.append("    <option value=\"" + country.getValue() + "\"");

        if ((selected != null) && selected.equals(country.getValue())) {
          sb.append(" selected=\"selected\"");
        }

        sb.append(">" + country.getLabel() + "</option>\n");
      }

      sb.append("</select>");

      try {
        pageContext.getOut().write(sb.toString());
      } catch (IOException io) {
        throw new JspException(io);
      }
    }

    return super.doStartTag();
  }
Пример #2
0
 /**
  * Compares the localized labels of two LabelValues.
  *
  * @param o1 The first LabelValue to compare.
  * @param o2 The second LabelValue to compare.
  * @return The value returned by comparing the localized labels.
  */
 public int compare(LabelValue o1, LabelValue o2) {
   return c.compare(o1.getLabel(), o2.getLabel());
 }